McLeod L, Ervin C, Fehnel SE, Eremenco S, Carson RT, Hanlon J, Coons SJ. Psychometric evaluation of the diary for irritable bowel syndrome symptoms-constipation in a prospective observational study. Value Health. 2024 Feb 2. doi: 10.1016/j.jval.2024.01.013
Ervin C, Thach A, Lee A, Navia B, Evans E, Doward L. Refinement of the treatment preference questionnaire in adults with Parkinson's Disease and off-episodes. Poster presented at the ISPOR 2019 European Conference; November 6, 2019. Copenhagen, Denmark. [abstract] Value Health. 2019 Nov; 22(S3):S756. doi: 10.1016/j.jval.2019.09.1870
Fehnel SE, Ervin CM, Carson RT, Rigoni G, Lackner JM, Coons SJ. Development of the diary for irritable bowel syndrome symptoms to assess treatment benefit in clinical trials: foundational qualitative research. Value Health. 2017 Apr;20(4):618-26.
Hauber AB, Nguyen H, Posner JD, Ervin CM, LaRue S, Kalsekar I. Patient preferences for frequency of glucagon-like peptide-1 receptor agonist (glp-1ra) injections in the treatment of type 2 diabetes. Poster presented at the 2014 ISPOR 19th Annual International Meeting; June 4, 2014. [abstract] Value Health. 2014 May; 17(3):A255.
Fehnel S, Ervin CM, Lewis B, Carson RT, Johnston JM. Identifying endpoints for irritable bowel syndrome (IBS) clinical trials: incorporating the patient's voice. Poster presented at the 2010 ISPOR 13th Annual European Congress; November 15, 2010. [abstract] Value Health. 2010 Nov; 13(7):A372.
Ervin CM, Fehnel S, Carson R, Kurtz C, Shiff S, Johnston J. Selecting chronic constipation (CC) clinical trial endpoints: incorporating the patient's voice. Poster presented at the 2010 ISPOR 15th Annual International Meeting; May 28, 2010. [abstract] Value Health. 2010 May; 13(3):A74.