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Completed Phase 3 Interventional Results available

Evaluating the Safety and Efficacy of Tradipitant vs. Placebo in Idiopathic and Diabetic Gastroparesis

ClinicalTrials.gov ID: NCT04028492

Public ClinicalTrials.gov record NCT04028492. 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 Oct 24, 2026, 6:25 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

VP-VLY-686-3301: A Multicenter, Randomized, Double-Blind, Placebo-Controlled Phase Iii Study To Assess The Efficacy Of Tradipitant In Relieving Symptoms Of Gastroparesis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To investigate the safety and efficacy of tradipitant versus placebo in relieving nausea and other symptoms of gastroparesis.

Study identification

NCT ID
NCT04028492
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Vanda Pharmaceuticals
Industry
Enrollment
979 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 70 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
Aug 20, 2019 (Actual)
Primary completion
Feb 21, 2025 (Actual)
Completion
Feb 21, 2025 (Actual)
Last update posted
Sep 24, 2026

2019 – 2025

United States locations

U.S. sites
36
U.S. states
23
U.S. cities
33
Facility City State ZIP Site status
Vanda Investigational Site Birmingham Alabama 53244 —
Vanda Investigational Site Peoria Arizona 85381 —
Vanda Investigational Site Little Rock Arkansas 72211 —
Vanda Investigational Site Chula Vista California 91910 —
Vanda Investigational Site La Jolla California 92093 —
Vanda Investigational Site Los Angeles California 90010 —
Vanda Investigational Site Los Angeles California 90026 —
Vanda Investigational Site Maitland Florida 32751 —
Vanda Investigational Site Palmetto Bay Florida 33157 —
Vanda Investigational Site Tampa Florida 33613 —
Vanda Investigational Site Morrow Georgia 30260 —
Vanda Investigational Site Wauconda Illinois 60084 —
Vanda Investigational Site West Des Moines Iowa 50265 —
Vanda Investigational Site Wichita Kansas 67214 —
Vanda Investigational Site Louisville Kentucky 40202 —
Vanda Investigational Site Marrero Louisiana 70072 —
Vanda Investigational Site Chevy Chase Maryland 20815 —
Vanda Investigational Site Boston Massachusetts 02114 —
Vanda Investigational Site Boston Massachusetts 02115 —
Vanda Investigational Site Chesterfield Missouri 63005 —
Vanda Investigational Site Las Vegas Nevada 89121 —
Vanda Investigational Site Brooklyn New York 11201 —
Vanda Investigational Site Charlotte North Carolina 28209 —
Vanda Investigational Site Raleigh North Carolina 27612 —
Vanda Investigational Site Columbus Ohio 43214 —
Vanda Investigational Site Huber Heights Ohio 45424 —
Vanda Investigational Site Edmond Oklahoma 73034 —
Vanda Investigational Site Tulsa Oklahoma 74104 —
Vanda Investigational Site Philadelphia Pennsylvania 19104 —
Vanda Investigational Site Chattanooga Tennessee 37421 —
Vanda Investigational Site Nashville Tennessee 37211 —
Vanda Investigational Site Houston Texas 77043 —
Vanda Investigational Site Houston Texas 77084 —
Vanda Investigational Site Plano Texas 75024 —
Vanda Investigational Site San Antonio Texas 78215 —
Vanda Investigational Site Salt Lake City Utah 84132 —

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 NCT04028492, 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 Sep 24, 2026 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04028492 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →