Gastroparesis Registry 4

Summary

The Gastroparesis Registry 4 (GpR4) is an observational study of patients with symptoms of gastroparesis (Gp) and functional dyspepsia (FD) with either delayed or normal gastric emptying. To better understand these disorders, this registry will capture demographic, clinical, physiological, questionnaire, and patient outcome data to characterize the patients and their clinical course. Participants will complete several questionnaires, complete a nutrient drink test and have a gastric emptying study.

Shortened from the sponsor's brief summary. View official record on ClinicalTrials.gov

Conditions studied

• Gastroparesis
• Gastroparesis Nondiabetic
• Gastroparesis Due to Diabetes Mellitus Type I
• Gastroparesis Due to Diabetes Mellitus Type II
• Functional Disorder of Gastrointestinal Tract
• Gastro-Intestinal Disorder

Eligibility basics and study details

Study type

Observational

Phase

Not applicable

Ages

18 to 85 years

Sex

All

Healthy volunteers

Not accepted

Sponsor

Johns Hopkins Bloomberg School of Public Health

Last updated on ClinicalTrials.gov

April 3, 2026

These are the basic criteria only. The full inclusion and exclusion criteria are on the official record, and the study team decides who can take part.

US recruiting sites