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

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

Selected Recent Gastroenterology Publications