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CompletedPhase 3

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

Key facts

Who runs it
Vanda Pharmaceuticals
Where
Birmingham, Boston, Brooklyn, Charlotte, Chattanooga, Chesterfield, Chevy Chase, Chula Vista, Columbus, Edmond, Houston, Huber Heights, La Jolla, Las Vegas, Little Rock, Los Angeles, Louisville, Maitland, Marrero, Morrow, Nashville, Palmetto Bay, Peoria, Philadelphia, Plano, Raleigh, Salt Lake City, San Antonio, Tampa, Tulsa, Wauconda, West Des Moines, and Wichita, United StatesSee the 33 sites
Trial code
Status
Completed
Phase
Phase 3
People taking part
979 people enrolled
Started
20 Aug 2019
Ended
21 Feb 2025
Type of study
Interventional, 3 groupsOne group gets a placebo (a dummy treatment), for comparison.
Treatments tested
  • Tradipitant
  • Placebo
  • Open Label Tradipitant
Record updated
24 September 2026

Who can take part

Age
18 years to 70 years
Sex
Women and men
Healthy volunteers
Cannot take part

The registry criteria, word for word

Show all 8 criteriaShow less

Who can take part

  • Diagnosed with gastroparesis
  • Demonstrated delayed gastric emptying
  • Presence of moderate to severe nausea
  • Body Mass Index (BMI) of ≥18 and ≤40 kg/m2

Who cannot take part

  • A positive test for drugs of abuse at the screening or evaluation visits
  • Exposure to any investigational medication in the past 60 days
  • Gastrectomy, fundoplication, vagotomy, pyloroplasty, bariatric surgery, or gastric stimulation device surgically implanted within the last year
  • Another active disorder or treatment which could explain or contribute to symptoms of gastroparesis

Where in United States

  • Birmingham, AlabamaHospital not named in the registry
  • Boston, MassachusettsHospital not named in the registry
  • Brooklyn, New YorkHospital not named in the registry
  • Charlotte, North CarolinaHospital not named in the registry
  • Chattanooga, TennesseeHospital not named in the registry
  • Chesterfield, MissouriHospital not named in the registry
  • Chevy Chase, MarylandHospital not named in the registry
  • Chula Vista, CaliforniaHospital not named in the registry
  • Columbus, OhioHospital not named in the registry
  • Edmond, OklahomaHospital not named in the registry
  • Houston, TexasHospital not named in the registry
  • Huber Heights, OhioHospital not named in the registry
  • La Jolla, CaliforniaHospital not named in the registry
  • Las Vegas, NevadaHospital not named in the registry
  • Little Rock, ArkansasHospital not named in the registry
  • Los Angeles, CaliforniaHospital not named in the registry
  • Louisville, KentuckyHospital not named in the registry
  • Maitland, FloridaHospital not named in the registry
  • Marrero, LouisianaHospital not named in the registry
  • Morrow, GeorgiaHospital not named in the registry
  • Nashville, TennesseeHospital not named in the registry
  • Palmetto Bay, FloridaHospital not named in the registry
  • Peoria, ArizonaHospital not named in the registry
  • Philadelphia, PennsylvaniaHospital not named in the registry
  • Plano, TexasHospital not named in the registry
  • Raleigh, North CarolinaHospital not named in the registry
  • Salt Lake City, UtahHospital not named in the registry
  • San Antonio, TexasHospital not named in the registry
  • Tampa, FloridaHospital not named in the registry
  • Tulsa, OklahomaHospital not named in the registry
  • Wauconda, IllinoisHospital not named in the registry
  • West Des Moines, IowaHospital not named in the registry
  • Wichita, KansasHospital not named in the registry

About the trial

What the trial wants to find out

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

The 3 groups in the trial

  • TradipitantTreatment being tested

    Oral Capsule

  • PlaceboPlacebo, for comparison

    Oral Capsule

  • Open Label TradipitantTreatment being tested

    Oral Capsule

Data and sources

Registry record
Listed on ClinicalTrials.gov.
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
Record updated
24 September 2026