Evaluating the Safety and Efficacy of Tradipitant vs. Placebo in Idiopathic and Diabetic Gastroparesis
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.
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
Study identification
- NCT ID
- NCT04028492
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Vanda Pharmaceuticals
- Industry
- Enrollment
- 992 participants
Conditions and interventions
Interventions
- Tradipitant Drug
- Placebo Drug
- Open Label Tradipitant Drug
Drug
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 19, 2019
- Primary completion
- Feb 20, 2025
- Completion
- Feb 20, 2025
- Last update posted
- Jul 23, 2025
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 Jul 23, 2025 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04028492 live on ClinicalTrials.gov.