Gastroenterology

A Wealth of Experience

We have collaborated with our clients on projects to research gastrointestinal (GI) disease, GI treatment, and complications and comorbidities of GI disease.  Our experience includes:

  • Celiac disease
  • Chronic idiopathic constipation
  • Crohn’s disease
  • Diverticulitis
  • Dyspepsia
  • Gastroesophageal reflux disease (GERD)
  • Pediatric GERD
  • Gastroparesis
  • Gastric cancer
  • Irritable bowel syndrome (IBS) (diarrhea-predominant & constipation-predominant)
  • Opioid-induced constipation
  • Postoperative ileus
  • Ulcerative colitis

Types of Projects

We have implemented studies to help our clients develop strategies in the gastrointestinal (GI) market and to develop and gain market access for products to treat GI diseases and complications arising from treatment of GI illnesses. Recent projects have included:

Our Experts

James Twiss
Director, Patient-Centered Outcomes Assessment
Elena Rivero
Senior Director, Epidemiology
Caroline Ling
Executive Director and HTA Specialist, Market Access and Outcomes Strategy
Kati Copley-Merriman
Vice President, Market Access and Outcomes Strategy
Lynne Hamm
Vice President, Clinical and Medical Services
Dawn Odom
Vice President, Biostatistics
Keith Davis
Senior Director, Health Economics
Allen Mangel
Executive Vice President, RTI Health Solutions and Discovery Sciences, RTI Chief Medical Officer
Beth Sherrill
Vice President, Biostatistics
Bintu Sherif
Director, Biostatistics
Daniel Mines
Senior Director, Epidemiology
Rebecca Crawford
Director, Patient-Centered Outcomes Assessment
Kelly Hollis
Vice President, Surveys and Observational Studies
Annete Njue
Senior Director, Market Access and Outcomes Strategy
Jin Yang
Associate Director, Market Access and Outcomes Strategy
Lauren Nelson
Executive Director, Psychometrics, Patient-Centered Outcomes Assessment
Carol Mansfield
Senior Economist and Head, Health Preference Assessment
Sean Candrilli
Vice President, Health Economics
Sheri Fehnel
Vice President, Patient-Centered Outcomes Assessment
Ann Colosia
Associate Director, Market Access and Outcomes Strategy
Shahnaz Khan
Executive Director, Market Access and Outcomes Strategy
Katherine Stull
Director, Health Economics
Stephanie Earnshaw
Senior Vice President, Health Economics
Valerie Williams
Senior Director, Psychometrics, Patient-Centered Outcomes Assessment
David McSorley
Director, Biostatistics
Claire Ervin
Senior Director, Patient-Centered Outcomes Assessment

Selected Recent Gastroenterology Publications