Kolotkin RL, Williams VSL, von Huth Smith L, Meincke HH, Qin S, Williams N, Fehnel SE. Confirmatory psychometric evaluations of the impact of weight on quality of life-lite clinical trials version (IWQOL-Lite-CT). Clin Obes. 2021 Oct;11(5):e12477. doi: 10.1111/cob.12477
Ervin CM, Whalley D, von Huth Smith L, Crawford R, Dine J, Fehnel SE. Development of the impact of weight on daily activities questionnaire: a patient-reported outcome measure. Clin Obes. 2020 Dec;10(6):e12387. doi: 10.1111/cob.12387
Kolotkin RL, Williams VSL, Ervin CM, Williams N, Meincke HH, Qin S, von Huth Smith L, Fehnel SE. Validation of a new measure of quality of life in obesity trials: impact of weight on quality of life-lite clinical trials version. Clin Obes. 2019 Jun;9(3):e12310. doi: 10.1111/cob.12310
Kolotkin RL, Ervin CM, Meincke HH, Hojbjerre L, Fehnel SE. Development of a clinical trials version of the Impact of Weight on Quality of Life–Lite questionnaire (IWQOL-Lite Clinical Trials Version): results from two qualitative studies. Clin Obes. 2017 Oct;7(5):290-9. doi: 10.1111/cob.12197
Macdougall JE, Johnston JM, Lavins BJ, Nelson LM, Williams VS, Carson RT, Shiff SJ, Shi K, Kurtz CB, Baird MJ, Currie MG, Lembo AJ. An evaluation of the FDA Responder Endpoint for IBS-C clinical trials: analysis of data from linaclotide Phase 3 clinical trials. Neurogastroenterol Motil. 2013 Jun;25(6):481-6. doi: 10.1111/nmo.12089
Nelson LM, Williams VSL, Fehnel SE, Tourkodimitris S, Baird MJ, Carson RT, Johnston JM. Psychometric evaluation of patient-reported outcome measures for assessing chronic constipation symptom severity and change: results from phase 2b and phase 3 trials of linaclotide. Presented at the Joint International Neurogastroenterology and Motility Meeting; September 2012. [abstract] Neurogastroenterol Motil. 2012 Sep 6; 24(Suppl. s2):180.
Spiegel BMR, Locke G, Kurtz CM, Williams VSL, Nelson LM, Carson RT, Currie MG, Schneier HA, Johnston JM. Clinically meaningful change benchmarks for IBS-C symptoms developed using data from two phase 3 trials of linaclotide. Presented at the Joint International Neurogastroenterology and Motility Meeting; September 2012. Bologna, Italy. [abstract] Neurogastroenterol Motil. 2012 Sep; 24(s2):35.
Nelson LM, Williams VSL, Carson RT, Baird MJ, Fehnel SE, Johnston JM. Factor analyses of patient-reported outcome measures in Irritable Bowel Syndrome with Constipation (IBSC): results from two randomized, double-blind, placebo-controlled phase 3 trials of linaclotide. Poster presented at the Joint International Neurogastroenterology and Motility Meeting; September 2012. Bologna, Italy. [abstract] Neurogastroenterol Motil. 2012 Sep 1; 24(Suppl. 2):106. doi: 10.1111/j.1365-2982.2012.01997.x
Carson RT, Nelson LM, Williams VSL, Fehnel SE, Tourkodimitris S, Baird MJ, Johnston JM. Psychometric evaluation of patient-reported outcome measures for assessing IBS-C symptom severity and change: results from two randomized, double-blind, placebo-controlled phase 3 trials of linaclotide. Poster presented at the Joint International Neurogastroenterology and Motility Meeting; September 2012. [abstract] Neurogastroenterol Motil. 2012 Sep 1; 24(Suppl. 2):179.
Mangel AW, Fehnel SE. Design of treatment trials in irritable bowel syndrome: opioid agonists and atypical benzodiazepine antagonists. Neurogastroenterol Motil. 2008 Oct 1;20(10):1086-93.