Irritable Bowel Syndrome | Treatment Algorithms: Claims Data Analysis | IBS-Diarrhea | US | 2020

Irritable bowel syndrome (IBS) is a chronic gastrointestinal disorder characterized by alterations in motility, stool consistency and frequency, and urgency. It is generally classified into three subtypes: constipation-predominant, diarrhea-predominant (IBS-D), and mixed. This analysis focuses on IBS-D. Treatment options for IBS are limited, and only a few drugs have secured FDA approval for IBS-D. Current options include Sebela Pharmaceuticals’ Lotronex, Salix Pharmaceuticals’ Xifaxan, Allergan’s Viberzi, and off-label use of antidepressants, motor stimulants, and anticholinergic agents.


  • What patient shares do key therapies and brands garner by line of therapy in newly diagnosed IBS-D patients? What are the quarterly trends in prescribing among recently treated and newly diagnosed IBS-D patients?
  • How have Xifaxan and Viberzi been integrated into the treatment algorithm, and what is their source of business?
  • What percentage of IBS-D patients receive drug therapy within 365 days of diagnosis, and how quickly? What percentage of patients progress to later lines of therapy within 365 of diagnosis?
  • What percentage of IBS-D patients are treated with monotherapy versus combination therapy? What are the most commonly used combinations? What are the product-level compliance and persistency rates among drug-treated patients?


Treatment Algorithms: Claims Data Analysis provides detailed, quantitative analysis of the treatment journey and brand usage across lines of therapy and overall using real-world, patient-level claims data so that marketers can accurately assess their source of business, benchmark usage against competitors, and quantify areas of opportunity for their marketed or emerging brand.

Geography: United States

Key drugs covered: Viberzi, Xifaxan, Lotronex, dicyclomine, hyoscyamine sulphate / scopolamine, SSRIs, SNRIs, tricyclic agents, diphenoxylate

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