Patient-Centered Outcomes Publications

Shafer BM, McGee SR, Ifantides C, Williamson BK, Kannarr S, Whyte J, Zhang Z, Yanke T, Schachter S. Understanding Perspectives on Presbyopia and Use of Pilocarpine HCl 1.25% Twice Daily from Participants of the Phase 3 VIRGO Study. Ophthalmol Ther. 2024 Jun;13(6):1723-1742. doi: 10.1007/s40123-024-00935-w.

Jan de Beur SM, Cimms T, Nixon A, Theodore-Oklota C, Luca D, Roberts MS, Egan S, Graham CA, Hribal E, Evans CJ, Wood S, Williams A. Burosumab improved patient-reported outcomes in adults with tumor-induced osteomalacia: mixed-methods analysis. Journal of Bone and Mineral Research 2023; 38(11): 1654-1664.

Hunsche E, Gauthier M, Witherspoon B, Rakov V, Agarwal SK. Endometriosis Symptoms and Their Impacts on the Daily Lives of US Women: Results from an Interview Study. International Journal of Women’s Health. June 2023; 15: 893-904.

Hunsche E, Rakov V, Scippa K, Witherspoon B, McKain L. The Burden of Uterine Fibroids from the Perspective of US Women Participating in Open-Ended Interviews. Women’s Health Reports. December 2022; 286-296.

Hunsche E, Rakov V, Scippa K, Witherspoon B, & McKain L. (2022). The burden of uterine fibroids from the perspective of US women participating in open-ended interviews. Women’s Health Reports, 3(1), 286–296. https://doi.org/10.1089/whr.2021.0086

Turner-Bowker DM, Egan S, Butler J, Jewett A, Mitragotri D, Foster B, Skrinar A, Theodore-Oklota C. Development and Preliminary Psychometric Evaluation of the Glycogen Storage Disease Type Ia Functional Assessment Diary (GSD FAD). Patient Preference and Adherence. 2026; 20: 581830

Currie, BM, Van Kriekinge, G, Pimienta, A, Saucier CD, Jacobs KD, Waldman LT, Salvatore CM. Understanding the burden of congenital cytomegalovirus (cCMV) infection: concept elicitation interviews with caregivers of pediatric cCMV patients and development of a conceptual disease model. Qual Life Res 2026;35:79.

Lipton RB, Stokes J, Evans CJ, Hribal E, White K, Keyloun K, Parikh K, Gandhi P, Dodick D. Characterizing the patient experience during the prodrome phase of migraine: A qualitative study of symptoms and their timing. Headache. 2025; 65: 1355-1368.

Theodore-Oklota C, O’Mara A, Butler J, Egan S, Hribal E, Evans C.  Development of patient-centric conceptual frameworks for symptoms and impacts of ornithine transcarbamylase deficiency (OTCD). J Patient Rep Outcomes 9, 123 (2025).

Garcia J, Hopfinger R, Foley C, Whyte J, Gauthier M, Foster B, & Patel, V. Development and validation of patient-reported outcome measures for platysma prominence. Current Medical Research and Opinion. 2025; 41(7), 1277–1290.

Farber RH, Stull DE, Witherspoon B, Evans CJ, Yonan C, Bron M, Dhanda R, Jen E, Obrien C. The Tardive Dyskinesia Impact Scale (TDIS), a novel patient-reported outcome measure in tardive dyskinesia: development and psychometric validation. J Patient Rep Outcomes 8, 2 (2024).

Evans RM, Gauthier M, Goodkin ML, Huang JT. Qualitative Development of the Allergan Satisfaction with Treatment Experience Questionnaire (ASTEQ) Instrument, a Patient-Reported Outcome Measure in Glaucoma and Ocular Hypertension. Ophthalmol Ther. 2024 Jan;13(1):71-92. doi: 10.1007/s40123-023-00804-y. Epub 2023 Sep 22. Erratum in: Ophthalmol Ther. 2023 Dec 4.

Hudgens S, Gauthier M, Hunsche E, Kang J, Li Y, Scippa K, As-Sanie S. Development of the bleeding and pelvic discomfort scale for use in women with heavy menstrual bleeding associated with uterine fibroids. Value Health 2022. doi: 10.1016/j.jval.2022.06.005.

Stokes J, Shirneshan E, Graham CA, Paulich M, Johnson N. Exploring the Experience of Living with and Managing Presbyopia. Optom Vis Sci. 2022;99(8):635-644. doi:10.1097/OPX.0000000000001913

Wheeden K, Howe DL, Burrell S, Gill L, Chamberlayne J, Williams ER, Simon A, Ko JJ, Mora J, Wells T, Evans C, Paulich M, Meninger S, Lombardelli S.  Patient perspective on acute hepatic porphyria with sporadic attacks: a chronic disease with substantial health-related quality of life impacts. Adv Ther 2022; https://doi.org/10.1007/s12325-022-02172-8.

Johnson N, Shirneshan , Coon CD, Stokes J, Wells T, Lundy J, Andrae D, Evans C, Campbell J. Development of the Presbyopia Impact and Coping Questionnaire (2021). Ophthalmology and Therapy, 10(4), 1057–1075. https://doi.org/10.1007/s40123-021-00391-w

Lipton RB, Ghandi P, Stokes J, Cala ML, Evans C, Knoble N, Gelhorn HL, Revecki D, Vishwanathan HN, Dodick DW.  Development and validation of a novel patient-reported outcome measure in people with episodic migraine: the Activity Impairment in Migraine.  Headache 2021; doi 10.1111/head.14229.

Shimeshan E, Coon CD, Johnson N, Stokes J, Wells T, Lundy JJ, Andrae D, Evans CJ, Campbell J.  Development of the near vision presbyopia task-based questionnaire for use in evaluating the impact of presbyopia.  Journal of Patient-Reported Outcomes 2021; 5:125.

Dress A, Theodore-Oklota C, Egan S, Paulich M, Blatt E, Evans CJ. The patient-reported experience of living with Wilson disease. Future Rare Disease 2021 (ePub ahead of print).

Goldstein AT, Quintana Diez PM, Kapanadze S, Cala ML, Evans CJ, Whyte JL, Christoph A. The vulvodynia experience questionnaire: qualitative development of a new patient-reported outcome measure for vulvodynia. The Journal of Sexual Medicine 2020;17:2055-2066. https://doi.org/10.1016/j.jsxm.2020.07.010

Swigris JJ, Andrae DA, Churney T, Johnson N, Scholand MB, White ES, Matsui A, Raimundo K, Evans CJ. Development and Initial Validation Analyses of the Living with Idiopathic Pulmonary Fibrosis (L-IPF) Questionnaire. Am J Respir Crit Care Med. 2020; online ahead of print. https://www.atsjournals.org/doi/abs/10.1164/rccm.202002-0415OC

Andrae DA, Hanlon J, Cala ML, Scippa K, Graham C, Witherspoon B, Shao JZ, Reasner D. Evaluation and Validation of the Modified Reflux Symptom Questionnaire-Electronic Diary in Patients With Persistent Gastroesophageal Reflux Disease. Clin Transl Gastroenterol. 2020;11(1):e00117. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7056048/pdf/ct9-11-e00117.pdf

Ceresoli-Borroni G, Liranso T, Brittain S, Connor DF, Evans CJ, Findling RL, Hwang S, Candler S, Robb AS, Nasser A, Schwabe S.  A novel assessment tool for impulsive aggression in children with attention-deficit/hyperactivity disorder. Journal of Child and Adolescent Psychopharmacology 2019; 29(8): 592-598.

Salek S, Boscoe AN, Piantedosi S, Egan S, Evans CJ, Wells T et al. Development of the Pyruvate Kinase Deficiency Diary (PKDD) and Pyruvate Kinase Deficiency Impact Assessment (PKDIA): Disease-Specific Assessments. Eur J Haematol. 2019 (epub ahead of print). https://www.ncbi.nlm.nih.gov/pubmed/31880847

Dumais KM, Dias N, Khurana L, Gary ST, Witherspoon B, Evans CJ, Dallabrida SM. Preferences for use and design of electronic patient‑reported outcomes in patients with chronic obstructive pulmonary disease. Patient (2019). https://doi.org/10.1007/s40271-019-00376-9.

Grace RF, Cohen J, Egan S, Wells T, Witherspoon B, Ryan A, Salek SS, Bodie S, Klaasen RJ. The Burden of Disease in Pyruvate Kinase Deficiency: Patients’ Perception of the Impact on Health-Related Quality of Life. European Journal of Haematology 2018; 101: 758-765. https://doi.org/10.1111/ejh.13128

Hwang S, Van nooten F, Wells T, Ryan A, Crawford B, Evans C, English, M. Neuropathic pain: A patient-centred approach to measuring outcomes. Health Expectations 2018; 1-13. https://doi.org/10.1111/hex.12673

Kelleher C, Chapple C, Johnson N, Payne C, Homma Y, Hakimi Z, Siddiqui E, Evans C, Egan S, Kopp Z. Development of an overactive bladder assessment tool (BAT): A potential improvement to the standard bladder diary. Neurourology and Urodynamics 2017; 1-10. https://doi.org/10.1002/nau.23479

Benmedjahed K, Wang G, Lambert J, Evans C, Hwang S, Black J, Johns MW.  Assessing sleepiness and cataplexy in children and adolescents with narcolepsy: a review of current patient-reported measures. Sleep Medicine 2017; 32:143-149. https://dx.doi.org/10.2147%2FNSS.S140143

Wang YG, Benmedjahed K, Lambert J, Evans C, Hwang S, Black J, Johns MW.  Assessing narcolepsy and cataplexy in children and adolescents: development of a cataplexy diary and the ESS-CHAD. Nature and Science of Sleep 2017;9:201-211. https://dx.doi.org/10.2147%2FNSS.S140143

Kamath BM, Abetz-Webb L, Kennedy C, Hepburn B, Gauthier M, Johnson N, Medendorp S, Dorenbaum A, Todorova L, Shneider BL. Development of a Novel Tool to Assess the Impact of Itching in Pediatric Cholestasis.  The Patient – Patient-Centered Outcomes Research 2017;10. https://doi.org/10.1007/s40271-017-0266-4

Chapple CR, Kelleher CJ, Evans CJ, Kopp Z, Siddiqui E, Johnson N, Mako M. A narrative review of patient-reported outcomes in overactive bladder: what is the way of the future? European Urology 2016; 70(5): 799-805. https://doi.org/10.1016/j.eururo.2016.04.033

Alexis A, Daniels S, Johnson N, Pompilus F, Burgess S, Harper J. Development of a new patient-reported outcome measure for facial acne: The Acne Symptom and Impact Scale (ASIS). Journal of Drugs in Dermatology 2014;13(3):333-340. https://www.ncbi.nlm.nih.gov/pubmed/24595580

Stokes J, Evans C, Pompilous F, Shields A, Summers K. Development of a questionnaire to assess the impact of chronic low back pain for use in regulated clinical trials. The Patient: Patient-Centered Outcomes Research 2013;6(4):291-305. https://doi.org/10.1007/s40271-013-0026-z

Piault E, Doshi S, Brandt B, Angun C, Evans CJ, Bergqvist A, Torcio J. Linguistic validation of translation of the self-assessment goal achievement (saga) questionnaire from English. Health and Quality of Life Outcomes 2012;10:40. https://doi.org/10.1186/1477-7525-10-40

Bombardier C, Evans CJ, Katz N, Mardekian J, Zlateva G, Simon L. Further qualification of a therapeutic responder index for patients with chronic low back pain. Journal of Rheumatology 2011;38:362-369. https://doi.org/10.3899/jrheum.091444

Brubaker L, Khullar V, Piault E, Evans CJ, Bavendam T, Beach J, Yeh Y, Kopp ZS, Kelleher CJ, Trocio J. Goal attainment scaling in patients with lower urinary tract symptoms: development and pilot testing of the Self-Assessment Goal Achievement (SAGA) questionnaire. Int Urogynecol 2011;22:937-946. https://doi.org/10.1007/s00192-011-1382-7

Evans CJ, Chiou C-F, Fitzgerald KA, Evans WJ, Ferrell BR, Dale W, Fried LP, Gandra SR, Dennee-Sommers B, Patrick DL. Development of a new patient-reported outcome measure in sarcopeina. Journal of American Medical Directors Association 2011;12:226-233. https://doi.org/10.1016/j.jamda.2010.09.010

Ng-Mak DS, Fitzgerald K, Norquist J, Banderas B, Nelsen L, Evans C, Healy C, Ho T, Bigal M. Key concepts in migraine postdrome: a qualitative study to develop a post-migraine questionnaire. Headache 2011;51:105-117. https://doi.org/10.1111/j.1526-4610.2010.01817

Lasch KF, Evans CJ, Schatell D. A qualitative analysis of patient-reported symptoms of anemia. Nephrology Nursing Journal 2009;36(6):621-633. https://www.ncbi.nlm.nih.gov/pubmed/20050515

Sadosky A, Dukes E, Evans C. Reliability of a 1-week recall period for the medical outcomes survey sleep scale (mos-s) in patients with fibromyalgia. Health and Quality of Life Outcomes 2009;7(12):1-20. https://doi.org/10.1186/1477-7525-7-12

Piault E, Evans C, Espindle D, Kopp Z, Brubaker L, Abrams P. Development and validation of the overactive bladder satisfaction (OAB-S) questionnaire. Neurology and Urodynamics 2007;1-12. https://doi.org/10.1002/nau.20455

Simon L, Evans C, Katz N, Bombardier C, West C, Robbins J, Copley-Merriman C, Markman J, Coombs J. Preliminary development of a responder index in chronic low back pain. Journal of Rheumatology 2007;34(6):1386-1391. https://www.ncbi.nlm.nih.gov/pubmed/17552065

Evans C, Trudeau E, Mertzanis P, Marquis P, Pena B, Wong J, Mayne T. Development and validation of the pain treatment satisfaction scale (ptss): a patient satisfaction questionnaire for use in patients with acute and chronic pain. Pain 2004;112:254-266. https://doi.org/10.1016/j.pain.2004.09.005

Turner-Bowker DM, Egan S, Butler J, Jewett A, Mitragotri D, Foster B, Skrinar A, Theodore-Oklota C. Development and Preliminary Psychometric Evaluation of the Glycogen Storage Disease Type Ia Functional Assessment Diary (GSD FAD). Patient Preference and Adherence. 2026; 20: 581830

Garcia J, Hopfinger R, Foley C, Whyte J, Gauthier M, Foster B, & Patel, V. Development and validation of patient-reported outcome measures for platysma prominence. Current Medical Research and Opinion. 2025; 41(7), 1277–1290.

Farber RH, Stull DE, Witherspoon B, Evans CJ, Yonan C, Bron M, Dhanda R, Jen E, Obrien C. The Tardive Dyskinesia Impact Scale (TDIS), a novel patient-reported outcome measure in tardive dyskinesia: development and psychometric validation. J Patient Rep Outcomes 8, 2 (2024).

Lyons RM, Foster B, Jewett A, Liu L, Sen R, Bui CN, Kamalakar R, Potluri J. Psychometric Validation and Meaningful Change Threshold Determination of EORTC QLQ-C30 Physical Functioning and Promis SF v1. 0-Fatigue 7a Functional Domain in Patients with High-Risk Myelodysplastic Syndromes Treated with Venetoclax and Azacitidine. Blood 2023, 142, 6472.

Andrae D A, Grace RF, Jewett A, Foster B, Klaassen RJ, Salek S, Li J, Tai F, Boscoe AN, Zagadailov E. Psychometric validation of the Pyruvate Kinase Deficiency Diary and Pyruvate Kinase Deficiency Impact Assessment in adults in the phase 3 ACTIVATE trial. Journal of Patient-Reported Outcomes 2023, 7(1), 112.

Swigris, J., Foster, B., & Johnson, N. (2022). Determining and reporting minimal important change for patient-reported outcome instruments in pulmonary medicine. European Respiratory Journal, 2200717. https://doi.org/10.1183/13993003.00717-2022

Deal LS, Andrae D, Myers DE, Johnson N, Foster B, Evans CJ. The measurement performance of the Parkinson’s Disease activities of daily living, interference, and dependence instrument.  Frontiers in Neurology 2022; doi: 10.3389//fneur.2022.760174.

Deal LS, Andrae DA, Myers DE, Dell C, Johnson N, Foster B, Evans CJ.  Memory-assisted global impression of change (MAGIC).  Therapeutic Innovation & Regulatory Science 2022; https://doi.org/10.1007/s43441-022-00377-1.

Lipton RB, Ghandi P, Stokes J, Cala ML, Evans C, Knoble N, Gelhorn HL, Revecki D, Vishwanathan HN, Dodick DW.  Development and validation of a novel patient-reported outcome measure in people with episodic migraine: the Activity Impairment in Migraine.  Headache 2021; doi 10.1111/head.14229.

Swigris JJ, Andrae DA, Churney T, Johnson N, Scholand MB, White ES, Matsui A, Raimundo K, Evans CJ. Development and Initial Validation Analyses of the Living with Idiopathic Pulmonary Fibrosis (L-IPF) Questionnaire. Am J Respir Crit Care Med. 2020; online ahead of print. https://www.atsjournals.org/doi/abs/10.1164/rccm.202002-0415OC

Andrae DA, Hanlon J, Cala ML, Scippa K, Graham C, Witherspoon B, Shao JZ, Reasner D. Evaluation and Validation of the Modified Reflux Symptom Questionnaire-Electronic Diary in Patients With Persistent Gastroesophageal Reflux Disease. Clin Transl Gastroenterol. 2020;11(1):e00117. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7056048/pdf/ct9-11-e00117.pdf

Chapple C, Kelleher C, Siddiqui E, Andrae D, Johnson N, Payne C, Homma Y, Hakimi Z, Evans CJ, Lyn N, Kopp Z. Validation of the overactive bladder assessment tool (OAB-BAT): a potential alternative to the standard bladder diary for monitoring OAB outcomes.  European Urology Focus 2019. https://doi.org/10.1016/j.euf.2020.12.001

Ceresoli-borroni G, Liranso T, Brittain ST, Connor DF, Evans CJ, Findling RL, Hwang S, Fry N, Candler SA, Robb AS, Saylor KE, Nasser A and Schwabe S. Application of the Impulsive Aggression Diary in Adolescents with Attention-Deficit/Hyperactivity Disorder. J Child Adolesc Psychopharmacol. 2019;29(8):599-607. https://www.ncbi.nlm.nih.gov/pubmed/31343272

Hudgens S, Evans C, Philips E, Hill M.  Psychometric validation of the Dysphagia Symptom Questionnaire in patients with eosinophilic esophagitis treated with budesonide oral suspension. Journal of Patient Reported Outcomes 2017;1:3. https://dx.doi.org/10.1186%2Fs41687-017-0006-5

Brubaker L, Piault E, Tully S, Evans CJ, Bavendam T, Beach J, Yeh Y, Kopp ZS, Khullar V, Kelleher CJ, Trocio J. Validation study of the Self-Assessment Goal Achievement (SAGA) questionnaire for lower urinary tract symptoms. International Journal of Clinical Practice 2013;67:342-350. https://doi.org/10.1111/ijcp.12087

Piault E, Evans C, Espindle D, Kopp Z, Brubaker L, Abrams P. Development and validation of the overactive bladder satisfaction (OAB-S) questionnaire. Neurology and Urodynamics 2007;1-12. https://doi.org/10.1002/nau.20455

Evans C, Trudeau E, Mertzanis P, Marquis P, Pena B, Wong J, Mayne T. Development and validation of the pain treatment satisfaction scale (ptss): a patient satisfaction questionnaire for use in patients with acute and chronic pain. Pain 2004;112:254-266. https://doi.org/10.1016/j.pain.2004.09.005

Evins A, Mayhew J, Cimms T, Whyte J, Vong K, Hribal E, Evans CJ, Grimm A. Glycogen storage disease type III: a mixed-methods study to assess the burden of disease.  Therapeutic Advances in Endocrinology and Metabolism 2024;15:1-16.

Evins A, Cimms T, Blair S, Whyte J, Paulich M, Hribal E, Evans CJ, Brandabur M. An international cross-sectional survey to characterize the humanistic burden of creatine transporter deficiency.  Future Rare Diseases 2022; doi: 10.2217/frd-2002-008.

Theodore-Oklota C, Egan S, Paulich M, Evans C, Hartman D, Hoffman D, Bjornsson H. Caregiver-reported clinical characteristics and the burden associated with Kabuki syndrome. American Journal of Medical Genetics Part A. 2020;1-9. https://onlinelibrary.wiley.com/doi/full/10.1002/ajmg.a.61584

Silverman S, Sadosky A, Evans C, Yeh Y, Alvir J, Zlateva G. Toward characterization and definition of fibromyalgia severity. BMC Musculoskeletal Disorders 2010;11:66. https://doi.org/10.1186/1471-2474-11-66

Johansen KL, Finklestein FO, Revecki DA, Evans C, Wan S, Gitlin M, Agodoa IL. Systematic review of the impact of erythropoiesis-stimulating agents on fatigue in dialysis patients. Nephrol Dial Transplant 2012;27(6):2418-25. https://doi.org/10.1093/ndt/gfr697

Chakravarthy U, Wong T, Fletcher A, Piault E, Evans C, Zlateva G, Buggage R, Pliel A, Mitchell P. Clinical risk factors for age-related macular degeneration: a systematic review and meta-analysis. BMC Ophthalmology 2010;10:31. https://doi.org/10.1186/1471-2415-10-31

Johansen KL, Finkelstein F, Revicki D, Gitlin M, Evans C, Mayne TJ. Systematic review and meta-analysis of exercise tolerance and physical functioning in dialysis patients treated with erythropoiesis-stimulating agents.  American Journal of Kidney Diseases 2010;55(3):535-548. https://doi.org/10.1053/j.ajkd.2009.12.018

Evans C, Schien J, Nelson W, Crespi S, Gargiulo K, Horowicz-Mehler N, Panchal S. Improving patient and nurse outcomes: a comparison of nurse tasks and time associated with two patient-controlled analgesia modalities using Delphi panels. Pain Management Nursing 2007;8(2):86-95. https://doi.org/10.1016/j.pmn.2007.03.004

Evans CJ, Parthan A, Le K. Economic and humanistic burden of Fibromyalgia in the USA. Expert Opinion and Review in Pharmacoeconomics and Outcomes Research 2006; 6(3): 303-314. https://doi.org/10.1586/14737167.6.3.303

Parthan A, Evans CJ, Le K. Chronic low back pain: epidemiology, economic burden and patient reported outcomes in the USA. Expert Opinion and Review in Pharmacoeconomics and Outcomes Research 2006;6(3):359-369. https://doi.org/10.1586/14737167.6.3.359

Feldman S, Evans C, Russell M. Systematic treatment for moderate to severe psoriasis: estimates of failure rates and direct medical costs in a north-eastern managed care plan. Journal of Dermatological Treatment 2005;16(1):37-42. https://doi.org/10.1080/09546630510025941

Evans C. Health and work productivity assessment: state of the art or state of flux? Journal of Occupational and Environmental Health 2004;46:S3-S11. https://doi.org/10.1097/01.jom.0000126682.37083.fa

Evans C, Tavakoli M, Crawford B. Use of quality adjusted life years and life years gained as benchmarks in economic evaluations: a critical appraisal. Health Care Management Science 2004;7(1):43-49. https://www.ncbi.nlm.nih.gov/pubmed/14977093

Evans C, Crawford B, Doyle J. Usefulness of resource utilization estimates from piggyback studies in rheumatoid arthritis. Expert Review of Pharmacoeconomics and Outcomes Research 2003;3(6):685-689. https://doi.org/10.1586/14737167.3.6.685

Evans C, Mertzanis P, Abetz L. Measurement strategies for indirect costs in economic evaluations. Expert Review of Pharmacoeconomics and Outcomes Research 2003;3(6):703-716. https://doi.org/10.1586/14737167.3.6.703

Evans C. Closing the credibility gap in patient reported outcomes. Expert Review of Pharmacoeconomics and Outcomes Research 2002;1-2. https://doi.org/10.1586/14737167.2.1.1

Evans C, Crawford B. Proxy reports in pharmacoeconomic studies: applications and accuracy for resource utilization estimates. Journal of Research in Pharmaceutical Economics 2001;11(2):23-35.

Crawford B, Dukes E, Evans C. The value of providing quality of life information to managed care decision-makers. Drug Benefit Trends 2001;13(7):45-52.

Henke C, Genco R, Killoy W, Miller D, Evans C, Finkelman R. An economic evaluation of a chlorhexadine chip for treating chronic periodontitis: the CHIP (CHlorhexadine In Periodontitis) study. JADA 2001;132:1557-1569. https://doi.org/10.14219/jada.archive.2001.0091

Evans C, Crawford B. Data collection methods in prospective economic evaluations: how accurate are the results? Value in Health 2000;3(4):277-286. https://doi.org/10.1046/j.1524-4733.2000.34005.x

Evans C, Crawford B. Expert judgement: guidance and future use. PharmacoEconomics 2000;17(6):545-553. https://doi.org/10.2165/00019053-200017060-00002

Evans C, Crawford B. Direct medical costing for economic evaluations: methodologies and impact on study validity. Drug Information Journal 2000;34:173-184. https://doi.org/10.1177%2F009286150003400123

Evans C, Dukes E, Crawford B. The role of pharmacoeconomic information in the managed care formulary decision making process. Journal of Managed Care Pharmacy 2000;6(2):112-121.

Evans C, Crawford B. Patient self-reports in pharmacoeconomic studies: their use and impact on study validity. PharmacoEconomics 1999;15(3):241-256. https://doi.org/10.2165/00019053-199915030-00004

Nuijten MJC, Hadjadjeba L, Evans C, van den Berg J. Cost-effectiveness of fluvoxamine in the treatment of recurrent depression in France. PharmacoEconomics 1998;14(4):433-445. https://www.jmcp.org/doi/pdf/10.18553/jmcp.2000.6.2.108

Evans C. The use of consensus methods and expert panels in pharmacoeconomic studies: practical applications and methodological shortcomings. PharmacoEconomics 1997;12(2 Pt1):121-29. https://doi.org/10.2165/00019053-199712020-00003

Turner-Bowker DM, Egan S, Cureg B, Voci A, Boyer M, Butler J, Collis R, Dorn E, Voorhees K, Gauthier M. Patient descriptions of improved ability to self-regulate blood sugar levels in a Phase 3 trial of DTX401 for glycogen storage disease type Ia. ISPOR; Philadelphia, PA, United States. May 2026.

Turner-Bowker DM, Egan S, Cureg B, Voci A, Moura de Souza CF, Butler J, Collis R, Dorn E, Karnati K, Voorhees K, Gauthier M. Patient descriptions of the benefits of a reduced cornstarch dose regimen in a Phase 3 trial of DTX401 for glycogen storage disease type Ia. ISPOR; Philadelphia, PA, United States. May 2026.

Turner-Bowker D, Egan S, Mitragotri D, Cureg B, Gauthier M. A Mixed Methods Analysis Using Trial Data to Describe Patients with Glycogen Storage Disease Type Ia Who Met Baseline Expectations for Meaningful Change in Daily Cornstarch Intake. 32nd International Society for Quality of Life Research; Milwaukee, Wisconsin; October 22-25, 2025.

Turner-Bowker D, Egan S, Butler J, Collis R, Gauthier M, Cureg B, Voci A, Sidhu M, Mitchell J. Qualitative Trial Interviews to Explore the Experience of Adult and Pediatric Patients Participating in a Pivotal Phase 3 Trial of DTX401 for Glycogen Storage Disease Type Ia. ISPOR Europe 2025; Glasgow, Scotland, United Kingdom; November 9-12, 2025.

Gauthier M, Johnson J, Fremont E. Maximizing the Impact of In-Trial Interviews Through AI Assisted Analysis. ISPOR; May 13-16, 2025.
Johnson N, Hribal E, Cureg B, Vong K. Enhancing Early Phase Trial Outcomes: The Value of Patient-Reported Treatment Tolerability. ISPOR; May 13-16, 2025.

Cala ML, Cherepanov D, Vong K, Cureg B, Zhang S, Johnson N. Targeted Literature Review of in-Trial/Exit Interviews in Clinical Trials Focusing on Multiple Myeloma and Related Conditions.ISPOR EU; November 17-20, 2024.

Johnson N, Weijers L, Egan S. Use of Qualitative In-Trial/Exit Interviews in Product Labelling and Health Technology Assessments. ISPOR EU; November 17-20, 2024.

Turner-Bowker D, Malkus B, Egan S, et al. Trial interviews to explore glycogen storage disease type Ia patient experiences of gene therapy. 45th Annual Meeting of the Society for Inherited Metabolic Disorders. Charlotte, NC, USA; April 14-17, 2024.

Flaig T, Hepp Z, Narayanan S, Whyte J, Johnson N, Matsuda T, Hoimes C. Patient experiences before and after enfortumab vedotin neoadjuvant treatment in cisplatin-ineligible muscle-invasive bladder cancer. ISPOR Europe 2022; November 6-9, 2022.

Ailani J, Castro C, Hribal E, Evans C, Ahmadyar G, Delaney S, Bacharach M, Bodhani A, Parikh K. Qualitative Study to Characterize the Patient-Reported Experience of Menstrual Migraine (P8-15.001). American Academy of Neurology (AAN) 2026 Annual Meeting; Chicago, IL, United States. April 2026. https://doi.org/10.1212/WNL.0000000000215588

Parikh K, Castro C, Hribal E, Ahmadyar G, Evans C, Delaney S, Bacharach M, Bodhani A, Ailani J. Hybrid Concept Elicitation and Cognitive Debriefing of Patient-Reported Outcome Measures in Patients with Menstrual Migraine (P8-15.003). American Academy of Neurology (AAN) 2026 Annual Meeting; Chicago, IL, United States. April 2026. https://doi.org/10.1212/WNL.0000000000215278

Ailani J, Castro C, Ahmadyar G, Parikh K, Hribal E, Delaney S, Bacharach M, Bodhani A, Gandhi P, Gil-Gouveia R. Cognitive Debriefing and Content Validation of Patient-Reported Outcomes Measurement Information System Cognitive Function Abilities–Subset Short Form 6a Version 2.0 (PROMIS-CF). American Headache Society (AHS) 68th Annual Scientific Meeting; Orlando, FL, United States. June 2026.

Lee S, Caloyeras J, Hyman J, Bacharach M, Voci A, Loniewski S, Evans C. The development of a US patient-centric value framework in plaque psoriasis: psychological, emotional and social impacts of the disease. IDEOM 13th Annual Meeting 2026, Washington DC, USA, June 19-20.

Johnson N, Gauthier M, Whyte J. Reporting and interpretation of cognitive debriefing results in patient reported outcome measure validation: are there standards? ISPOR; Philadelphia, PA, United States. May 2026.

Erickson BK, Rimel BJ, Eskander RN, Dasgupta A, Brockman M, Gurkan A, Komatsubara KM, Burk C, Vong K, Loniewski S, Wang X. Hybrid Concept Elicitation and Cognitive Debriefing Interviews for Patient-Reported Outcomes (PROs) in Patients with Recurrent/Advanced (r/a) Endometrial Cancer (EC) Who Have Received Prior Platinum-Based Chemotherapy (PBC) ± Immunotherapy. Society of Gynecologic Oncology Annual Meeting; San Juan, Puerto Rico;. April 2026. 

Caloyeras J,  Hyman J, Bacharach M, Voci A, Loniewski S, Evans C.The development of a US patient-centric value framework in plaque psoriasis: psychological, emotional and social impacts of the disease. American Academy of Dermatology (AAD) 2026 Annual Meeting; Denver, Colorado; March 27–31, 2026.

Dube K, Segal-Maurer S, Duracinsky M, Gauthier M, Vong K, Sharp H, Weeks I, Price K, Burk C, Jarret J. Development of Two Versions of a Patient Reported Outcome Measure to Evaluate Participant Experience and Satisfaction During the Intervention and Analytical Treatment Interruption Periods of Cure-Related and Other HIV Trials. ISPOR European Conference; Glasgow, Scotland; November 12-19, 2025.

Dube K, Segal-Maurer S, Duracinsky M, Gauthier M, Vong K, Sharp H, Cureg B, Weeks I, Price K, Burk C, Jarret J. Content Validation of a Modified PozQoL for Assessing HIV Therapies. ISPOR European Conference; Glasgow, Scotland; November 12-19, 2025.

Dube K, Segal-Maurer S, Duracinsky M, Gauthier M, Vong K, Sharp H, Cureg B, Weeks I, Price K, Burk C, Jarret J. Development of Two Versions of a Patient Preference Questionnaire for Evaluating Potential HIV Cure-Related and Other HIV Interventions. ISPOR European Conference; Glasgow, Scotland; November 12-19, 2025.

Nacson A, Vong K, Hyman J, Hesterlee S, Harms M, Wicklund M. Impacts of the Limb-Girdle Muscular Dystrophies (LGMDs) on Mobility, Daily Life, and Pain: A Survey of Patients With Sarcoglycanopathies. 54th Child Neurology Society Annual Meeting; Charlotte, NC; October 8-11, 2025.

Whyte J, Ventola P, Theodore-Oklota C, Arzimanoglou A, Guerrini R, Veenma D, French J, Park K, Perucca E, Traynelis S, Zuberi S, Macnair B, Savoie H, Xu D, Bani M, Muglia P, Leuchter B, Chin R, Panzara M. Development of a Clinical Global Impression Scale Adapted for GRIN-Related Neurodevelopmental Disorder for Use in a Phase 3 Trial of Radiprodil. 54th Child Neurology Society Annual Meeting; Charlotte, NC; October 8-11, 2025.

Whyte J, Sharp H, Delaney S, Rawls C, Theodore-Oklota C, Macnair B, Savoie H, Panzara M. Qualitative Research to Assess Caregivers’ Perspectives on Signs and Symptoms of GRIN-related Neurodevelopmental Disorder. 36th International Epilepsy Congress; Lisbon, Portugal; August 30-September 3, 2025.

Wright P, Moon J, Whyte J, Hyman J, Loniewski S, Rawls C, Yates A. Burden of disease and content relevance of PROMIS-Fatigue Short Form 13a in sickle cell disease. 32nd International Society for Quality of Life Research; Milwaukee, Wisconsin; October 22-25, 2025.

Whyte J, Sharp H, Delaney S, Rawls C, Theordore-Oklota C, Chin R, Macnair B, Savoie H, Panzara M. Qualitative Research to Define the Symptoms and Impact of GRIN-related Neurodevelopmental Disorder. 16th European Pediatric Neurology Society Congress; Munich, Germany; July 8–12, 2025.

Foley C, Garcia J, Whyte J, Gauthier M, Foster B, Lee E, Patel V. Development and Psychometric Validation of Patient-Reported Outcome Measures for Masseter Muscle Prominence (MMP): The Lower Facial Shape Questionnaire. ISPOR; May 13-16, 2025.

Brandstetter T, Dominguez A, Garcia J, Whyte J, Gauthier M, Karimi K, Yoelin S, Kavali C. Qualitative Development of the Natural Look Satisfaction Scale for the Treatment of Upper Facial Lines With Neurotoxin. AMWC Monaco; March 27-29, 2025

Dubé K, Segal-Maurer S, Gauthier M, Duracinsky M, Vong K, Sharp H, Cureg B, Weeks I, Price K, Jarrett J, Burk C. Perceptions of Analytical Treatment Interruption Among People With HIV Using Antiretroviral Therapy in the USA. HIV Drug Therapy Glasgow 2024; November 10-13, 2024.

Duracinsky M, Gauthier M, Segal-Maurer S, Dubé K, Vong K, Sharp H, Cureg B, Weeks I, Price K, Jarrett J, Burk C. Development of a Patient Preference Questionnaire Appropriate for Use with Potential Regimens for HIV Cure. ISPOR; May 5-8, 2024.

Gauthier M, Egan S, Johnson N. The Use of Artificial Intelligence Chat To Improve Readability of Patient-Facing Materials. ISPOR; May 5-8, 2024.
Egan S, Gauthier M, Witherspoon B, Foster B, Johnson N, Evans C. Patient-Driven Development of Meaningful Change Estimates in Chronic Pain. Poster to be presented at ISPOR Annual Meeting; 7-10 May 2023, Boston, MA.

Stokes J, Lipton RB, Evans C, Hribal E, White K, Keyloun K, Parikh K, Gandhi P, Dodick DW. Characterizing the patient experience during the prodrome phase of migraine: a qualitative study of symptoms and their timing. Poster to be presented at the American Academy of Neurology Annual Meeting; 22-27 April 2023, Boston, MA and at American Headache Society 2023 15-18 June, Austin, TX.

Garcia J, Whyte J, Gauthier M, Foster B, Foley C, Patel V. Development and Validation of Patient-Reported Outcome Measures for Platysma Prominence. ISPOR Global Conference; May 7-10, 2023.

Nguyen, H.B., Foster, B., Kramer, K. The Rapid Mood Screener (RMS) for Bipolar I Disorder: Study Design for a Confirmatory Study Evaluating Performance in Real-World Settings. 25th Annual Conference of the International Society for Bipolar Disorders; June 22-25, 2023.

Oladapo, A, Strand, V., Kragh, N, Johnson, N, Yousefian, C, Brooks, D, Sharp, H, Kim, C, Pillinger, M. Patient experiences with chronic refractory gout and its impact on health-related quality of life. Annual European Congress of Rheumatology; May 31- June, 3 2023.

Stokes J, Lipton R, Evans CJ, Hribal E, White K, Keyloun K, Parikh K, Gandhi P, Dodick D. Characterizing the patient experience during the prodrome phase of migraine: a qualitative study of symptoms and their timing. American Headache Society 65th Annual Scientific Meeting; June 15-18, 2023.

Oladapo, A, Pillinger, M, Kragh, N, Johnson, N, Yousefian, C, Brooks, D, Sharp, H, Strand, V. Impact of signs and symptoms of chronic refractory gout on patient HRQoL. ISPOR Global Conference; May 7-10, 2023.

Yi BA, Yousefian C, Gauthier M, Salter J, Bloomfield D, Glasspool J. Development of the Anticoagulant Bleeding Burden Adherence Confidence Assessment Scale (ABBA-CAS). ISPOR Global Conference; May 7-10, 2023.

Stokes J, Lipton R, Evans CJ, Hribal E, White K, Keyloun K, Parikh K, Gandhi P, Dodick D. Characterizing the patient experience during the prodrome phase of migraine: a qualitative study of symptoms and their timing. American Academy of Neurology 2023 Annual Meeting; April 22-27, 2023.

Butler J, Theodore-Oklota C, Egan S, Evans CJ.  Development of conceptual frameworks and patient-reported outcome measures in GSD1A. ISPOR Europe Conference; November 6-9, 2022.

Dress A, Butler J, Theodore-Oklota C, Egan S, Evans CJ. Development of conceptual frameworks and PRO measures in ornithine transcarbamylase deficiency. ISPOR Europe Conference; November 6-9, 2022.

Dress A, Theodore-Oklota C, Malkus B, Egan S, Umakanth S, Evans CJ. Development of a patient-reported outcome measure in Wilson Disease. ISPOR Europe Conference; November 6-9, 2022.

Gauthier M, Witherspoon B, Foster B, Johnson N, Egan S, Evans CJ. Evidence of response option preferences in patient-reported outcomes studies: the case of chronic pain.  ISOQOL 29th Annual Conference; October 19-22, 2022.

Johnson N, Egan S, Gauthier M, Witherspoon B, Foster B, Evans CJ. Choosing the appropriate number of response options for patient-reported outcome measures: four, five or six points? ISOQOL 29th Annual Conference; October 19-22, 2022.

Karaa A, Johnson N, Clarkson I, Newman W, Dorenbaum A, Cohen B. Characterization of Fatigue in Primary Mitochondrial Myopathy: Findings from a Qualitative Interview Study. United Mitochondrial Disease Foundation Conference. June 2021.

Evins A, Cimms T, Blair S, Whyte J, Paulich M, Hribal E, Estrada A, Evans C.  Caregiver perspectives on the humanistic burden of Creatine Transporter Deficiency. Virtual ISPOR 2021. May 17-20 2021.

Witherspoon B, Egan S, Gauthier M. Evaluating intercoder reliability in qualitative research analysis. ISOQOL 27th Annual Conference; October 19-23, 2020.

Egan S, Gauthier G, Witherspoon B, Scippa K, Graham C, Whyte J, Paulich M, Ryan A, McDonold S, Evans C. Development of a novel, non-disease specific peditaric faces scale. ISOQOL 27th Annual Conference; October 19-23, 2020.

Egan S, Ryan A, Graham C, McDonold S, Paulich M, Scippa K, Whyte J, Evans C. Illustrations developed as tools for use in pediatric qualitative interviews. ISOQOL 27th Annual Conference; October 20, 2020.

Stokes J, Shirneshan E, Graham CA, Paulich M, Johnson N. Exploring the experience of living with and treating presbyopia. American Academy of Optometry Annual Meeting; October 7-10, 2020.

Johnson N, Evans C, Shirneshan E, Stokes J, Wells T, Campbell J. Development of patient-reported outcome instruments to evaluate impacts and coping behaviors in presbyopia. Academy of Optometry Annual Meeting; October 7-10, 2020.

Dress A, Butler J, Theordore-Oklota C, Egan S, Paulich M, Hribral E, Evans C. Development of Conceptual Frameworks and Pilot PRO Measures in OTC Deficiency. Virtual ISPOR 2020; May 18-20, 2020.

Egan S, Ryan A, Graham C, McDonold S, Paulich M, Pohl C, Scippa K, Whyte J, Evans C. Development of Illustrations for Use in Pediatric Qualitative Interviews. Virtual ISPOR 2020; May 18-20, 2020.

Foster B, Gauthier M, Vig P, Jaecklin T, Kamath BM, Andrae D. Itch Reported Outcome Tool For Caregivers Of Pediatric Patients With Cholestatic Liver Disease: An Analysis Of Validation And Scoring From The ICONIC Maralixibat Study. Virtual ISPOR 2020; May 18-20, 2020.

Gauthier M, Johnson N. Identification and recommendations of readability tests for the evaluation of clinical outcome assessments (COAs). International Society for Quality of Life Research 26th Annual Conference; San Diego, CA: October 21, 2019.

Egan S, Evans C, Ryan A. Development of Illustrations to Facilitate Concept Elicitation Interviews with Pediatric Participants. ISPOR 24th Annual International Meeting; New Orleans, LA, USA: May 18-22, 2019.

Pohl C, Cala ML, Evans C. The role of treatment expectancy on the placebo response as it pertains to the development and implementation of patient-reported outcome measures. ISPOR 24th Annual International Meeting; New Orleans, LA, USA: May 18-22, 2019.

Goldstein A, Quintana Diez P, Kapanadze S, Cala ML, Evans C, Whyte J, Christoph A. The vulvodynia experience questionnaire (VEQ): Qualitative development of a new patient-reported outcome measure for vulvodynia. International Society for the Study of Women’s Sexual Health Annual Meeting 2019; Atlanta, Georgia: March 7-10, 2019.

Marsh E, Harrington A, Johnson N, Pohl C, Trupin S, Robinson J, Shepherd J, Jacoby A, Lukes A, Berman J, Wang KC, Gillard P, Segars J. Development of a screening tool for women with symptomatic uterine fibroids (UF). American Society for Reproductive Medicine; Denver, Colorado; October 6-10, 2018.

Cala ML, Graham CA, Lipton RB, Lyn N, Dodick DW, Burk C, Yu JS, Evans CJ, Viswanathan HN. The Activity Impairment in Migraine – Diary (AIM-D): A novel migraine-specific patient-reported outcome measure to assess functioning based on activity impairment in episodic and chronic migraine patients. 12th European Headache Federation Congress; Florence, Italy; September 28-30, 2018.

Cala ML, Graham CA, Lipton RB, Lyn N, Dodick DW, Burk C, Yu JS, Evans CJ, Viswanathan HN. The Activity Impairment in Migraine – Diary (AIM-D): A novel migraine-specific patient-reported outcome measure to assess functioning based on activity impairment in episodic and chronic migraine patients. 17th Biennial Migraine Trust International Symposium (MTIS); London, UK; September 6-9, 2018.

Cala ML, Graham CA,  Lipton RB,  Lyn N, Dodick DW,  Burk C, Yu JS, Evans CJ,  Viswanathan HN. The Activity Impairment in Migraine – Diary (AIM-D): A novel migraine-specific patient-reported outcome measure to assess functioning based on activity impairment related to migraine in episodic and chronic migraine patients. 60th Annual Scientific Meeting of the American Headache Society; San Francisco, CA: June 28 – July 1, 2018.

Egan S, Gauthier M, Cala ML, Khurana L, Dallabrida SM, Evans C. Patient definitions of improvement: Most frequent reasons for defining disease improvement as reported by patients with diabetes, chronic obstructive pulmonary disease (COPD), depression or osteoarthritis (OA). International Society for Pharmacoeconomics and Outcomes Research 2018 Meeting; Baltimore, MD: May (19-23), 2018.

Gauthier M, Egan S, Ryan A, Khurana L, Dallabrida SM, Evans C. Do words matter? Patient perspectives on conceptually similar symptoms and impacts frequently utilized in patient-reported outcome measures. International Society for Pharmacoeconomics and Outcomes Research 2018 Meeting; Baltimore, MD: May (19-23), 2018.

Graney B, Johnson N, Evans C, Ryan A, et al. Living with Idiopathic Pulmonary Fibrosis (L-IPF): Developing a Patient-Reported Symptom and Impact Questionnaire to Assess Health-Related Quality of Life in IPF. American Thoracic Society Conference; Washington DC: 19-24 May 2017.

Tutuncu A, Egan S, Evans CJ, Cala ML, Ryan A, Khurana L, Dallabrida SM.  Proximal versus distal impacts of disease: Drivers of bothersomeness ratings in Patient-Reported Outcome (PRO) studies. International Society for Pharmacoeconomics and Outcomes Research 22nd Annual International Meeting; Boston, MA: May (20-24), 2017.

Tutuncu A, Egan S, Evans CJ, Ryan A, Cala ML, Khurana L, Dallabrida SM.  What is being measured in Patient-Reported Outcome (PRO) measures?  Symptom questions may often reveal impact answers.  International Society for Pharmacoeconomics and Outcomes Research 22nd Annual International Meeting; Boston, MA: May (20-24), 2017.

Evans CJ, Serrano D, Witherspoon B, Khurana L, Dallabrida SM.  Are patients’ responses to five point verbal descriptor scales and visual analogue scales replicate measures? An experimental manipulation.  International Society for Pharmacoeconomics and Outcomes Research 22nd Annual International Meeting; Boston, MA: May (20-24), 2017.

Evans CJ, Serrano D, Witherspoon B, Khurana L, Dallabrida SM.  Pain assessment: A myriad of techniques to measure pain severity.  Does it matter which one is used?  International Society for Pharmacoeconomics and Outcomes Research 22nd Annual International Meeting; Boston, MA: May (20-24), 2017.

Kelleher C, Chapple C, Johnson N, Payne C, Homma Y, Hakimi Z, Siddiqui E, Kopp Z, Evans C. Development of an overactive bladder assessment tool: A potential alternative to the bladder diary. 32nd Annual EAU Congress; London: March (24-28), 2017.

Curry C, Gauthier M, Egan S, Ryan A, Graham C, Witherspoon B, Evans C, DeBusk K. Development of Novel Clinical Outcome Assessments (COAs) for Children and Caregivers to Assess Atopic Dermatitis Signs and Symptoms. International Society for Quality of Life Research 23nd Annual Conference; Copenhagen, Denmark: October 20, 2016.

Curry C, Gauthier M, Egan S, Ryan A, Graham C, Witherspoon B, Evans C, DeBusk K. A Comparison of Atopic Dermatitis Signs and Symptoms by Age and Reporter. 25th European Academy of Dermatology and Venereology Annual Congress; Vienna, Austria: September 28-October 2, 2016.

Chapple C, Kelleher CJ, Evans C, Kopp Z, Johnson N, Hakimi Z, Siddiqui E. Comprehensive Bladder Assessment Tool: Instrument Development. 46th Annual International Incontinence Society Conference; Tokyo, Japan: September (13-15), 2016.

Cala M, Witherspoon B, Evans C, Dallabrida S. Where is Your Abdomen? Patient-Reported Abdomen Locations and Implications for Patient-Reported Outcome Assessments. International Society for Pharmacoeconomics and Outcomes Research 18th Annual European Congress; Milan, Italy: November (7-11), 2015.

Burgess, SM, Gauthier M, Cala ML. Comparison of patient-reported outcomes requirements in medical guidelines for pain, migraine, rheumatoid arthritis, and systemic lupus erythematosus: Europe vs United States. International Society for Pharmacoeconomics and Outcomes Research 18th Annual European Congress; Milan, Italy: November (7-11), 2015.

Curry C, Gauthier M, Cala ML, Egan S, Witherspoon B, Evans C, Fitzgerald K. Development of Novel Patient-Reported Outcomes (PRO) Instruments to Assess Atopic Dermatitis Signs, Symptoms and Impacts. International Society for Quality of Life Research 22nd Annual Conference; Vancouver, BC: October 24, 2015.

Chapple C, Kelleher CJ, Evans C, Kopp Z, Johnson N, Hakimi Z, Siddiqui E. Assessing outcomes in OAB: What is the way of the future? 45th Annual International Incontinence Society Conference; Montreal, CA: October (6-9), 2015.

Abetz-Webb L, Kennedy C, Hepburn B, Gauthier M, Johnson N, Menendorp S, Dorenbaum A, Shneider B, Kamath B. The Burden of pruritus on patients with Alagille syndrome: results from a qualitative study with pediatric patients and their caregivers. 65th Annual Meeting of the American Association for the Study of Liver Diseases; The Liver Meeting: November, 2014.

Arbuckle R, Witherspoon B, Carson R. Treatment expectations and drivers of treatment satisfaction among chronic constipation (CC) and irritable bowel syndrome with constipation (IBS-C) patients. American College of Gastroenterology Annual Scientific Meeting; Philadelphia, PA: October (17-22), 2014.

Holloway L, Arbuckle R, Carson R, Dennee-Sommers B, Abetz, L. Agreement between child and parent symptom diary responses in chronic constipation (CC) and irritable bowel syndrome with constipation (IBS-C): Implications for the measurement of symptoms in young children. International Society for Pharmacoeconomics and Outcomes Research European Congress: Dublin, Ireland: November (2-6), 2013.

Arbuckle R, Holloway L, Carson R, Dennee-Sommers B, Abetz L. The value of pilot testing PRO symptom diaries prior to conducting cognitive debriefing interviews in children/adolescents: qualitative and quantitative insights. International Society for Pharmacoeconomics and Outcomes Research European Congress; Dublin, Ireland: November (2-6),2013.

Yaworsky A, Daniels S, Fitzgerald K, Galipeau N, Kornstein A, Evans C, Misra-Burgess S. Content assessment of the facial line outcomes (FLO-11) questionnaire. International Society for Quality of Life Research 18th Annual Conference; Denver, CO: October (26-29), 2011.

Carson RT, Lewis B, Shiff S, Johnston JM, Dennee-Sommers B, Lasch K, Hwang S, Marquis M. IBS-C patient symptom reports: Analysis of exploratory open-ended questions. International Society for Pharmacoeconomics and Outcomes Research 16th Annual Meeting; Baltimore, MD: May (21-25), 2011.

Lambe J, Acquadro C, Conway K, Ng-Mak D, Norquist J, Healy C, Nelsen L, Fitzgerald K, Evans C, Banderas B. Translatability assessment of the post-migraine questionnaire. International Society for Pharmacoeconomics and Outcomes Research 16th Annual Meeting; Baltimore, MD: May (21-25), 2011.

Evans C, Fitzgerald K, Varon S, Bloudek L, Banderas B, Blumenfeld A. Development of a new patient-reported outcome measure in chronic migraine. American Academy of Neurology 63rd Annual Meeting; Honolulu, HI, USA: April (9-16), 2011.

Ng-Mak DS, Fitzgerald K, Norquist J, Evans C, Nelson LM, Banderas B, Healy C, Ho T, Bigal M. Post-Migraine Questionnaire (PMQ): a new instrument to assess symptoms and symptom impacts from patients’ perspective. 52nd Annual Scientific Meeting of the American Headache Society; Los Angeles, CA: June (24-27), 2010.

Brubaker L, Kopp Z, Piault E, Trocio J, Evans C, Fitzgerald K, Wong A. Development of a self-assessment goal achievement (SAGA) questionnaire in urinary disorders. 37th Annual Meeting of the International Continence Society; Rotterdam, the Netherlands: August (20-24), 2007.

Merkle E, Evans C, Feldman R. Patient satisfaction with a single pill treatment of hypertension and dyslipidemia. 8th Scientific forum on Quality of Care and Outcomes Research in Cardiovascular Disease and Stroke Conference; Washington, D.C., MD: May (9-11), 2007.

Kopp Z, Abrams P, Piault E, Evans C, Espindle D, Atkinson M, Brubaker L, Jumadilova Z. Patient satisfaction in studies of overactive bladder: A generic questionnaire versus a disease specific questionnaire. International Continence Society International Meeting; Christchurch, New Zealand: November 27 – December 1, 2006.

Evans C, Piault E, Espindle D, Kopp Z, Brubaker L, Abrams P. Generic vs disease specific satisfaction measures: selecting a satisfaction measure for overactive bladder studies. Philadelphia, PA, USA; International Society for Pharmacoeconomics and Outcomes Research 11th Annual Meeting: May (20-24), 2006.

Coombs J, Evans C. Special interest group presentation on a responder index in low back pain. OMERACT; Malta: May (10-14), 2006.

Evans C, Katz N, Simon L, Bombadier C, West C, Robbins J, Copley-Merriman C, Coombs J. Development and preliminary validation of a responder index for patients with chronic low back pain. American Pain Society; San Antonio, TX, USA: May (3-6), 2006.

Horowicz-Mehler N, Evans CJ, Abetz L, Copley-Merriman K. The content validity of clinician derived patient reported outcome measures: the Roland Morris Disability Questionnaire. International Society for Pharmacoeconomics and Outcomes Research 10th Annual International Meeting; Washington, D.C. MD, USA: May (15-18), 2005.

Foster B. Evaluating Hu & Bentler’s Cutoff Criteria with Data Reflecting Real-World Clinical Outcomes Assessment Data. 32nd International Society for Quality of Life Research; Milwaukee, Wisconsin; October 22-25, 2025.

Jewett A. Evaluating the impact of missing data on scale reliability: A simulation study of a 10-Item HRQOL COA with varying item properties. 32nd International Society for Quality of Life Research; Milwaukee, Wisconsin; October 22-25, 2025.

Foley C, Garcia J, Whyte J, Gauthier M, Foster B, Lee E, Patel V. Development and Psychometric Validation of Patient-Reported Outcome Measures for Masseter Muscle Prominence (MMP): The Lower Facial Shape Questionnaire. ISPOR; May 13-16, 2025.

Turner-Bowker DM, Jewett A, Malkus B, Butler J, Mitragotri D, Egan S, Willis A, Foster B. Psychometric evaluation of glycogen storage disease functional assessment diary. ISOQOL 31st Annual Conference; October 13-16, 2024.

Willis A, Jewett A, Foster B. Enhancing Non-Experts’ Understanding of Uncertainty in Psychometric Results through Effective Visual Probabilistic Representations. ISPOR; May 5-8, 2024.

Garcia J, Whyte J, Gauthier M, Foster B, Foley C, Patel V. Development and Validation of Patient-Reported Outcome Measures for Platysma Prominence. ISPOR Global Conference; May 7-10, 2023.

Foster B, Andrae D, Pohl C. Describing patterns in longitudinal diary data. ISOQOL 27th Annual Conference; October 19-23, 2020.

Andrae D, Foster B. Interpretation guidelines for clinical relevance of patient-reported outcome measures. Workshop at the ISOQOL 27th Annual Conference; October 19-23, 2020.

Foster, B, Andrae, D, Vig, P, McKibben, A & Bowlus, C. Psychometric evaluation of the Adult Itch Reported Outcome tool, a worst itch numeric rating scale in adults with cholestatic liver disease. The Digital International Liver Congress™ 2020; August 27–29, 2020.

Foster B, Andrae D, Pohl C. A descriptive framework for understanding patterns of in intensive longitudinal patient diaries. Virtual ISPOR 2020; May 18-20, 2020.

Foster, B, Gauthier, M, Vig, P, Jaecklin, T, Kamath, B.M. & Andrae D. Natural variability of pruritus in Alagille syndrome; an analysis from the ICONIC study utilizing the Itch Reported Outcome Observer (ItchRO[Obs]) tool. Presented at AASLD, The Liver Meeting®; November 8–12, 2019, Boston, USA.

Serrano D, Gauthier M, Harrington M, Acevedo L. Psychometric validation of the Itch Reported Outcome (ItchRO™) Observer assessment in pediatric patients with Alagille syndrome or progressive familial intrahepatic cholestasis. 67th Annual Meeting of the American Association for the Study of Liver Diseases: The Liver Meeting 2016; Boston, MA: November (11-15), 2016.

Evans C, Katz N, Simon L, Bombadier C, West C, Robbins J, Copley-Merriman C, Coombs J. Development and preliminary validation of a responder index for patients with chronic low back pain. American Pain Society; San Antonio, TX, USA: May (3-6), 2006.

Piault E, Evans C, Marcucci G, Kopp Z, Brubaker L, Abrams P. Patient satisfaction: psychometric validation of the OAB-S, an overactive bladder treatment satisfaction questionnaire. International Society for Pharmacoeconomics and Outcomes Research 8th Annual European Congress; Firenze, Italy: November (6-8), 2005.

Waldman LT, Vong K, Bacharach M, Gauthier M. Inclusion of patient-reported outcome measures for pediatric versus adult populations in FDA biological and novel drug therapy approvals from 2021-2025. ISPOR; Philadelphia, PA, United States. May 2026.

Witherspoon B, Misra Burgess S, Miskala P. Developments and communication since the issuance of FDA’s Guidance to Industry on Patient-Reported Outcomes: then and now. International Society for Pharmacoeconomics and Outcomes Research 20th Annual International Meeting; Philadelphia, PA: May (16-20), 2015.

Hao Y, Evans C. A critical review of EMA labeling claims in oncology: 2006-2012. International Society for Pharmacoeconomics and Outcomes Research; New Orleans, LA: May (18-22), 2013.

Wittrup-Jensen V, Bridges JF, Hyman J, Foster B, Delaney S, Nicole Puetz, Silvia Scalabrini, Nathan Johnson, Kevin F. Erickson. The HERCULES study: methods and rationale of assessing the health-related quality of life (HRQoL) in patients living with early-stage chronic kidney disease and their carers in the US. ISPOR; Philadelphia, PA, United States. May 2026.

Butler J, Dress A, Theodore-Oklota C, Egan S, Paulich M, Byrd C, Evans C. The Humanistic Burden of Glycogen Storage Disease Type Ia: The Impact on Symptoms, Diet, and Health-related Quality of Life. Virtual ISPOR 2020; May 18-20, 2020.

Cala ML, Cherepanov D, Vong K, Cureg B, Zhang S, Johnson N. Targeted Literature Review of in-Trial/Exit Interviews in Clinical Trials Focusing on Multiple Myeloma and Related Conditions.ISPOR EU; November 17-20, 2024.

Dennee-Sommers B, Galipeau N, Fitzgerald K, Evans C, Daniels S, Burgess SM. Gap analysis of patient-reported outcome measures for alopecia. International Society for Pharmacoeconomics and Outcomes Research 16th Annual Meeting; Baltimore, MD: May (21-25), 2011.

Johansen KL, Finkelstein FO, Revicki DA, Evans C, Wan S, Gitlin M, Agodoa IL. Systematic Review of the Impact of Erythropoiesis Stimulating Agents on Fatigue in Dialysis Patients. National Kidney Foundation 2011 Spring Clinical Meetings; Las Vegas, NV: April (26-30), 2011.

Vo P, Chambers J, Evans C, Nothaft W, Duan R, Marx S. Systematic literature review on the burden of illness in osteoarthritis. Osteoarthritis Research Society International Meeting; Brussels, Belgium: September (23-26), 2010.

Vo P, Chambers J, Evans C, Dennee-Sommers B, Wolfram N, Marx S. Systematic literature review on the burden of illness in fibromyalgia. American Pain Society; Baltimore, MD: May (6-8), 2010.

Vo P, Chambers J, Evans C, Dennee-Sommers B, Wolfram N, Marx S. Systematic literature review on the burden of illness in painful diabetic peripheral neuropathy. American Pain Society; Baltimore, MD: May (6-8), 2010.

Johnson N, Wells T. Examination of a modified approach to the Delphi technique in health outcomes research. ISOQOL 27th Annual Conference; October 20, 2020.

Egan S, Gauthier M, Witherspoon B, Scippa K, Graham C, Whyte J, Paulich M, Ryan A, McDonold S. Development of a pediatric faces scale for use in multiple disease areas. Virtual ISPOR 2020; May 18-20, 2020.

Gauthier M, Foster B, Watts L, Daniels S. An expanded analysis of which features convey empathy to patients in scientific writing. ISPOR; Philadelphia, PA, United States. May 2026.

Yu J, Drachenberg C, Markt S, Alexander J,  Whalen M, Beaty S, Foster B, Tock J, Hribal E, Mezerhane E. Real-World Survey of Treatment Effectiveness and Satisfaction in Adults with Narcolepsy Taking Low-Sodium Oxybate. 39th Annual Meeting of the Associated Professional Sleep Societies (APSS/SLEEP); June 8-11, 2025.

Gauthier M,  Nyce H, Daniels S, Watts L. Improving Patient Engagement Outcomes: A Pilot Study to Investigate the Role of Empathy in Scientific Writing. ISPOR; May 13-16, 2025.

Watts L, Gauthier M, Nyce H, Daniels S. Empathy as Innovation: Assessing the Perception of Empathy in Scientific Writing. ISMPP; May 12-14, 2025.

Peterson J, Gauthier M, Piault E, DeBusk K, Buzaglo J, Eng-Wong J, Glazer J, Green M, Johnson J, Spears P, Evans C. Importance of the patient voice in drug development: Early-stage breast cancer and measurement gaps concerning the treatment experience. San Antonio Breast Cancer Symposium: December 8-12, 2015.

Hwang S, Evans C, Rothman M, Hao Y. Health-related quality of life in metastatic castration-resistant prostate cancer. International Society for Pharmacoeconomics and Outcomes Research; New Orleans, LA: May (18-22), 2013.

Silverman S, Sadosky A, Evans C, Yeh Y, Alvir J, Zlateva G. Assessing fibromyalgia severity. World Institute of Pain 2009, 5th World Congress; New York, NY: March (13-16), 2009.

Jansen JP, Evans CJ, Guyot M, Masaquel C, Mayne TJ.  The impact of epoetin alfa on symptoms of anemia: a Bayesian meta-analysis of clinical trials. American Society of Nephrology; San Francisco, CA: October 31- November 5, 2007.

Nelson WW, Schein JR, Gargiulo K, Evans CJ.  Nursing times associated with intravenous patient-controlled analgesia (IV PCA) and fentanyl iontophoretic transdermal system (ITS): a comparison of estimates from 2 Delphi panels. 60th Annual Post Graduate Assembly in Anesthesiology; New York, NY, USA: December (8-12), 2006.

Jansen J, Evans C. The value and acceptability of a Bayesian framework for drug reimbursement and market access decision making. International Society for Pharmacoeconomics and Outcomes Research 11th Annual Meeting; Philadelphia, PA, USA: May (20-24), 2006.

Evans C, Horowicz-Mehler N, Crawford B, Mertzanis P, Pena B, Mayne T. Satisfaction with pain medication and intention to comply with treatment: a structural equation model in rheumatoid arthritis. International Society for Pharmacoeconomics and Outcomes Research 10th Annual International Meeting; Washington, D.C, MD, USA: May (15-18), 2005.

Evans C, Crawford B, Mesrobian X, Tavakoli M. Estimating the indirect costs of medical interventions: limitations of current strategies and the development of an integrated approach. 5th International Conference on Strategic Issues in Health Care Management; St. Andrews, Scotland: September (2-4), 2004.

Crawford B, Evans C, Tavakoli M. Do patients really care about others? An exploration of the impact of utility scores. 5th International Conference on Strategic Issues in Health Care Management; St. Andrews, Scotland: September (2-4), 2004.

Crawford B, Evans C, Tavakoli M. Understanding utility: do patients understand what we are asking them? 5th International Conference on Strategic Issues in Health Care Management; St. Andrews, Scotland: September (2-4), 2004.

Evans C. The search for the holy grail: establishing a valid methodology for measuring work productivity. International Society for Pharmacoeconomics and Outcomes Research Sixth Annual European Congress; Barcelona, Spain: November (9-11), 2003.

Feldman S, Evans C, Russell M. Treatment of psoriasis with conventional systemic agents is associated with high medical costs and frequent treatment failure. International Society for Pharmacoeconomics and Outcomes Research Sixth Annual European Congress; Barcelona, Spain: November (9-11), 2003.

Van Loon J, Crawford B, Monteban H, Evans C. How health care can benefit from changing the mindset: from cost and effectiveness to cost effectiveness. International Society for Pharmacoeconomics and Outcomes Research Sixth Annual European Congress; Barcelona, Spain: November (9-11), 2003.

Roberts H, Evans C, Sagrolikar A, Poulios N, Gomperts E. Development of an economic and outcomes model of hemophilia treatment in Latin America and South-East Asia. XIX Congress of the International Society of Thrombosis and Haemostasis; Birmingham, UK; July (12-18), 2003.

Evans C. Rationing in health care: can education make priority setting more efficient. 4th iHEA World Congress; San Francisco, CA, USA; June (15-18), 2003.

Crawford B, Evans C. Resource utilization estimates in economic evaluations: a comparison of economic data from a clinical trial to a cross-sectional database. 4th iHEA World Congress; San Francisco, CA, USA; June (15-18), 2003.

Evans C, Roberts HR, Sagrolikar A, Gomperts E. Hemophilia economic model of outcomes: Philippines case study. International Society for Pharmacoeconomics and Outcomes Research 8th Annual International Meeting; Crystal City, VA, USA: May (18-21), 2003.

Crawford B, Baron-Papillon F, Evans C, Horowitz-Mehler N. Economic and outcomes research in the real world: evaluation of its relevance. International Society for Pharmacoeconomics and Outcomes Research 8th Annual International Meeting; Crystal City, VA, USA: May (18-21), 2003.

Evans C. Hemophilia treatment in developing countries. World Federation of Hemophilia. 44th Annual Meeting of the American Society of Hematology; Philadelphia, PA, USA: December (6-10), 2002.

Crawford B, Gray C, Evans C, Piercy J, Arnould B. How to optimize communication of your results: achieving high impact communications. International Society for Pharmacoeconomics and Outcomes Research Fifth Annual European Congress; Rotterdam, the Netherlands: November (3-5), 2002.

Evans C. Criteria for reimbursement decisions. International Society for Pharmacoeconomics and Outcomes Research Fifth Annual European Congress: Rotterdam, the Netherlands: November (3-5), 2002.

Roberts H, Evans C, Gomperts E, Poulios N, Sagrolikar A. Development of an economic and outcomes model of hemophilia treatment in Latin America and South East Asia. International Society for Pharmacoeconomics and Outcomes Research Fifth Annual European Congress; Rotterdam, the Netherlands: November (3-5), 2002.

Evans C. Health economic education in allocation decisions: a pre-test post-test study. International Society for Pharmacoeconomics and Outcomes Research Fifth Annual European Congress; Rotterdam, the Netherlands: November (3-5), 2002.

Evans C, Mesrobian X, Crawford B. Benchmarks in economic evaluations: theoretical and practical shortcomings. Fourth Annual Workshop on Pharmaceutical Outcomes Research; Newport RI, USA: October (16-18), 2002.

Piercy J, Mesrobian X, Viala M, Evans C. Management of psoriasis in the UK primary care setting. 11th Congress of the European Academy of Dermatology and Venereology; Prague, Czech Republic: October (2-6), 2002.

Piercy J, Mesrobian X, Evans C, James P, Barker J. The burden of chronic plaque psoriasis (CPP) in the UK hospital sector. 11th Congress of the European Academy of Dermatology and Venereology; Prague, Czech Republic: October (2-6), 2002.

Piercy J, Mesrobian X, Evans C. Estimating the cost of moderate to severe chronic plaque psoriasis in the UK11th Congress of the European Academy of Dermatology and Venereology; Prague, Czech Republic: October (2-6), 2002.

Feldman S, Evans C. Systemic psoriasis treatment is costly and associated with a high likelihood of treatment failure. Academy 2000 Summer Meeting of the American Academy of Dermatology; New York, NY, USA: July 31-August 4, 2002.

Horowicz-Mehler N, Evans C, Crawford B, Mertzanis P, Pena B, Wong J, Mayne T. Structural equation modeling in a trial of rheumatoid arthritis patients: indicators of satisfaction with pain medication and intention to comply with treatment. Annual European Congress of Rheumatology; Stockholm, Sweden: June (12-15), 2002.

Evans C, Crawford B. The application of expert opinion in pharmacoeconomic studies. International Society for Pharmacoeconomics and Outcomes Research; Crystal City, VA: May (19-22), 2002.

Roberts H, Evans C. HEMO: Health Economic Model of Outcomes. XXV International Congress of the World Federation of Hemophilia; Seville, Spain: May (19-24), 2002.

Roberts H, Evans C, Gomperts E. Development of an economic and outcomes model of hemophilia treatment in Latin America and South East Asia. XXV International Congress of the World Federation of Hemophilia; Seville, Spain: May (19-2), 2002, and 29th World Congress of the International Society of Hematology; Seoul, Korea: August (24-28), 2002.

Trudeau E, Seignobos E, Evans C, Mertzanis P. Factors that influence patient satisfaction in colorectal cancer patients. American Society of Clinical Oncology (ASCO). 2002 Proceedings; Orlando, FL, USA: May (19-21), 2002.

Evans C, Crawford B, Mertzanis P, Tavakoli M. Interpreting endpoints in economic evaluations: analytic foundation and misleading conclusions. 5th International Conference in Strategic Issues in Health Care Management; St. Andrews, Scotland, UK: April (11-13), 2002.

Crawford B, Evans C, Tavakoli M. Theoretical models for utility: which model is better? 5th International Conference in Strategic Issues in Health Care Management; St. Andrews, Scotland, UK: April (11-13), 2002.

Feldman S, Piercy J, Vigliani G, Evans C. Development of an international model to measure the cost of care and cost effectiveness of treatments for psoriasis. 60th Annual Meeting of the American Academy of Dermatology; New Orleans, LA: February (22-27), 2002.

Crawford B, Evans C, Turner A, Karavali M. Disability, resource utilization, and work absences associated with osteoarthritis (OA) and rheumatoid arthritis (RA): an international database analysis.  International Society for Pharmacoeconomics and Outcomes Research; Cannes, France: November (11-13), 2001.

Marquis P, Evans C. Quality factors for health related quality of life assessment in clinical trials. 7th Annual National Health Outcomes Conference; Canberra, Australia: June (27-28), 2001.

Evans C, Crawford B, Miles A. Measurement strategies for productivity losses and work absences. International Society for Pharmacoeconomics and Outcomes Research: Antwerp, Belgium: November (5-7), 2000.

Baron F, Marquis P, Evans C, Crawford B. International comparison of pharmacoeconomic guidelines: consensus, divergence and practical implications. International Society for Pharmacoeconomics and Outcomes Research; Antwerp, Belgium: November (5-7), 2000. Value in Health 2000; 3 (5): 370.

Evans C, Crawford B, Hayes J, Cavallo F. Communication strategies for health outcomes studies. International Society for Pharmacoeconomics and Outcomes Research; Arlington, VA, USA: May (20-24), 2000.

Evans C, Crawford B, Dukes E. Technology assessment in the US: what do payers understand and what information do they want? ISPOR; Arlington, VA, USA: May (20-24), 2000.

Evans C, Kennedy L, Crawford B. The use of databases in health economics and outcomes research: an international perspective. 4th International Conference on Strategic Issues in Health Care Management; St Andrews, Scotland: March 30 – April 1, 2000.

Evans C, Kennedy L, Crawford B, Malek M. From guidelines to good practice: improving the quality of economic evaluations. 4th International Conference on Strategic Issues in Health Care Management; St Andrews, Scotland: March 30 – April 1, 2000.

Rovira J, Antonanzas F, Girod I, Arnould B, Crawford B, Evans C. The comparability and transferability of direct medical costs in international pharmacoeconomic studies. International Society for Pharmacoeconomics and Outcomes Research Second Annual European Conference; Edinburgh, Scotland: November 12, 1999.

Trudeau-Vanhems E, Marquis P, Evans C. Measurement of patient satisfaction with medical treatment. International Society for Pharmacoeconomics and Outcomes Research; Edinburgh, Scotland: November 12, 1999.

Evans C, Saal G, Crawford B. Structured decision making in pharmacoeconomic studies: a comparison and critique. International Society for Pharmacoeconomics and Outcomes Research; Edinburgh, Scotland: November 12, 1999.

Crawford B, Evans C, Benford M, Karavali M. The use of international, disease specific, cross-sectional databases for pharmacoeconomic research. Edinburgh, Scotland: November (11-12), 1999.

Marquis P, Evans C. Practical strategies in outcomes research to support new products. IRR; London, England: October 13, 1999.

Evans C, Crawford B. Data collection methods in economic evaluations: implications for study validity, evidence rankings and league tables. HESG; Aberdeen, Scotland: July (14-16), 1999.

Keresteci MA, Ungar W, Ryan N, Mendelson L, Tarlo S, Nadal JC, Rosano ME, Evans C. Development of a nasal comfort index for nasal sprays in adults with seasonal allergic rhinitis. International Society for Pharmacoeconomics and Outcomes Research Fourth Annual International Meeting; Crystal City, VA, USA: May (23-26), 1999.

Crawford B, Evans C. Data collection methods for resource utilization: choosing the right approach. International Society for Pharmacoeconomics and Outcomes Research Fourth Annual International Meeting; Crystal City, VA, USA: May (23-26), 1999.

Wilson DA, Gammans RE, Evans CJ. Cost of ischemic stroke treatment by functional status: a model comparing citicoline to standard care. International Society for Pharmacoeconomics and Outcomes Research Fourth Annual International Meeting; Crystal City, VA, USA: May (23-26), 1999.

Evans C, Dukes E, Bailey L, Crawford B. Pharmacoeconomic information in formulary decision making in the United States. International Society for Pharmacoeconomics and Outcomes Research Fourth Annual International Meeting; Crystal City, VA, USA: May (23-26), 1999.

Crawford B, Dukes E, Bailey L, Evans C. The role of quality of life information in managed care decision making. International Society for Pharmacoeconomics and Outcomes Research Fourth Annual International Meeting; Crystal City, VA, USA: May (23-26), 1999.

Henke CJ, Miller DP, Armitage GC, Eber RM, Genco RJ, Killoy WJ, Mellonig JT, Page RC, Polson AM, Ryder MI, Somerman MJ, Van Dyke TE, Wolff LF, Yukna RA, Evans CJ, Finkelman RD. Economic evaluation of a chlorhexidine chip for treating adult periodontitis. International and American Association for Dental Research; Vancouver, Canada: March (9-13), 1999.

Crawford B, Evans C. Self reported resource utilization data in pharmacoeconomic trials: their use and impact on study validity. International Society for Pharmacoeconomics and Outcomes Research Inaugural European Conference; Cologne, Germany: December (10-12), 1998.

Crawford B, Evans C. Designing an international piggyback study: providing the foundation. International Society for Pharmacoeconomics and Outcomes Research Inaugural European Conference; Cologne, Germany: December (10-12), 1998.

Crawford B, Evans C, Abetz L. The use of proxies to collect health care resources and quality of life data. International Society for Pharmacoeconomics and Outcomes Research Inaugural European Conference; Cologne, Germany: December (10-12), 1998.

Evans C, Crawford B. Direct medical costs: perspectives and techniques. DIA Economic Assessment in Clinical Trials; New Orleans, LA, USA: November (9-10), 1998.

Crawford B, Evans C. The use of patient self-reports to collect health care resource utilization. Third Annual Meeting of the International Society for Pharmacoeconomic and Outcomes Research; Philadelphia, PA, USA: May (27-29), 1998.

Lorber M, Evans C, Fastenau J, DiCesare J, Hall M on behalf of the US Simulect Group. An economic evaluation of Basiliximab (Simulect) for the prevention of acute cellular rejection in renal allograft recipients. American Society of Transplant Physicians; Chicago, IL, USA: May (9-13), 1998.

Evans C, Crawford B, Wilson D. Threats to validity in prospective economic evaluations. HESG: January, 1998.

Wilson D, Evans C, Fitzsimon C. International economic comparison of stroke treatment of citicoline to standard care. North American Stroke Meeting; Montreal, Canada: October (16-18), 1997.

Evans CJ, Cascade EF. Utilizing pharmacoeconomic modeling to support oncology research, marketing and disease management strategies. Managed Oncology Care: April, 1997.

Evans C. The use of delphi, modified delphi and expert panels in pharmacoeconomic studies: practical applications and methodological shortcomings. HESG: January, 1997.

Evans C. The development of health care delivery efficiency indexes: a preliminary investigation. Strategic Issues in Health Care Management: March, 1994.

Evans C. The impact of World Bank and IMF structural adjustment loans on health conditions, health care delivery and health status in sub-saharan Africa. Strategic Issues in Health Care Management: March, 1994.

Evans C, Phillips J. Alternative methods of health care delivery in developing countries: three case studies. HESG: January, 1993.