Comprehensive assessment of patients with irritable bowel syndrome with constipation and chronic idiopathic constipation using deterministically linked administrative claims and patient-reported data: the Chronic Constipation and IBS-C Treatment and Outcomes Real-World Research Platform (CONTOR).

Journal of Medical Economics
Douglas C A TaylorAlyssa Goolsby Hunter

Abstract

To characterize a US population of patients with irritable bowel syndrome with constipation (IBS-C) or chronic idiopathic constipation (CIC) using CONTOR, a real-world longitudinal research platform that deterministically linked administrative claims data with patient-reported outcomes data among patients with these conditions. Patients with IBS-C or CIC were identified using diagnosis and treatment codes from administrative claims. Potential respondents received a mailed survey followed by 12 monthly online follow-up surveys and 2 mailed diaries. Surveys collected symptom severity, treatment use, quality of life, productivity, and condition/treatment history. Comorbidities and healthcare costs/utilization were captured from claims data. Diaries collected symptoms, treatments, and clinical outcomes at baseline and 12 months. Data were linked to create a patient-centric research platform. Baseline surveys were returned by 2,052 respondents (16.8% response rate) and retention rates throughout the study were high (64.8%-70.8%). Most participants reported burdensome symptoms despite having complex treatment histories that included multiple treatments over many years. More than half (55.3%) were dissatisfied with their treatment reg...Continue Reading

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