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Completed Phase 3 Interventional

Evaluation of the Efficacy, Durability, Safety, and Tolerability of RP-G28 in Patients With Lactose Intolerance

ClinicalTrials.gov ID: NCT03597516

Public ClinicalTrials.gov record NCT03597516. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 26, 2026, 9:30 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Study to Evaluate the Efficacy, Durability, Safety, and Tolerability of RP-G28 in Patients With Lactose Intolerance

Study identification

NCT ID
NCT03597516
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Ritter Pharmaceuticals, Inc.
Industry
Enrollment
557 participants

Conditions and interventions

Interventions

  • RP-G28 Drug
  • Placebos Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 25, 2018
Primary completion
Jul 1, 2019
Completion
Jul 1, 2019
Last update posted
Jul 7, 2019

2018 – 2019

United States locations

U.S. sites
35
U.S. states
19
U.S. cities
34
Facility City State ZIP Site status
Research Facility Birmingham Alabama 35205
Research Site Chula Vista California 91910
Research Site Huntington Park California 90255
Research Site Lincoln California 95648
Research Site Los Angeles California 90057
Research Site Panorama City California 91402
Research Site San Diego California 92114
Research Site San Diego California 92123
Research Site Walnut Creek California 94598
Research Site Colorado Springs Colorado 80906
Research Site Gainesville Florida 32653
Research Facility Miami Florida 33135
Research Site Orlando Florida 32806
Reseaarch Site Pompano Beach Florida 33060
Research Site Honolulu Hawaii 96815
Research Site Marrero Louisiana 70072
Research Site Oxon Hill Maryland 20745
Research Site Wyoming Michigan 49519
Research Site Omaha Nebraska 68114
Research Site Berlin New Jersey 08009
Research Site Albuquerque New Mexico 87102
Research Site Brooklyn New York 11230
Research Site Great Neck New York 11023
Research Site Hartsdale New York 10530
Research Site Raleigh North Carolina 27612
Research Site Cincinnati Ohio 45246
Research Site Dayton Ohio 45439
Research Site Charleston South Carolina 29406
Research Site Knoxville Tennessee 37909
Research Site Houston Texas 77099
Research Site Lampasas Texas 76550
Research Site San Antonio Texas 78209
Research Site Waxahachie Texas 75165
Research Site Fairfax Virginia 22031
Research Site Bellevue Washington 98004

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03597516, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 7, 2019 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03597516 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →