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

NCT ID: NCT04028492

Last Updated: 2025-07-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

992 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-08-20

Study Completion Date

2025-02-21

Brief Summary

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

Detailed Description

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Conditions

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Idiopathic Gastroparesis Diabetic Gastroparesis Gastroparesis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Tradipitant

Oral Capsule

Group Type EXPERIMENTAL

Tradipitant

Intervention Type DRUG

BID

Placebo

Oral Capsule

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

BID

Open Label Tradipitant

Oral Capsule

Group Type EXPERIMENTAL

Open Label Tradipitant

Intervention Type DRUG

BID

Interventions

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Tradipitant

BID

Intervention Type DRUG

Placebo

BID

Intervention Type DRUG

Open Label Tradipitant

BID

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

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

Exclusion Criteria

* Another active disorder or treatment which could explain or contribute to symptoms of gastroparesis
* 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
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Vanda Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Vanda Pharmaceuticals

Role: STUDY_DIRECTOR

Vanda Pharmaceuticals

Locations

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Vanda Investigational Site

Birmingham, Alabama, United States

Site Status

Vanda Investigational Site

Peoria, Arizona, United States

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Vanda Investigational Site

Little Rock, Arkansas, United States

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Vanda Investigational Site

Chula Vista, California, United States

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Vanda Investigational Site

La Jolla, California, United States

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Vanda Investigational Site

Los Angeles, California, United States

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Vanda Investigational Site

Los Angeles, California, United States

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Vanda Investigational Site

Maitland, Florida, United States

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Vanda Investigational Site

Palmetto Bay, Florida, United States

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Vanda Investigational Site

Tampa, Florida, United States

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Vanda Investigational Site

Morrow, Georgia, United States

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Vanda Investigational Site

Wauconda, Illinois, United States

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Vanda Investigational Site

West Des Moines, Iowa, United States

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Vanda Investigational Site

Wichita, Kansas, United States

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Vanda Investigational Site

Louisville, Kentucky, United States

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Vanda Investigational Site

Marrero, Louisiana, United States

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Vanda Investigational Site

Chevy Chase, Maryland, United States

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Vanda Investigational Site

Boston, Massachusetts, United States

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Vanda Investigational Site

Boston, Massachusetts, United States

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Vanda Investigational Site

Chesterfield, Missouri, United States

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Vanda Investigational Site

Las Vegas, Nevada, United States

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Vanda Investigational Site

Brooklyn, New York, United States

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Vanda Investigational Site

Charlotte, North Carolina, United States

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Vanda Investigational Site

Raleigh, North Carolina, United States

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Vanda Investigational Site

Columbus, Ohio, United States

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Vanda Investigational Site

Huber Heights, Ohio, United States

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Vanda Investigational Site

Edmond, Oklahoma, United States

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Vanda Investigational Site

Tulsa, Oklahoma, United States

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Vanda Investigational Site

Philadelphia, Pennsylvania, United States

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Vanda Investigational Site

Chattanooga, Tennessee, United States

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Vanda Investigational Site

Nashville, Tennessee, United States

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Vanda Investigational Site

Houston, Texas, United States

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Vanda Investigational Site

Houston, Texas, United States

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Vanda Investigational Site

Plano, Texas, United States

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Vanda Investigational Site

San Antonio, Texas, United States

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Vanda Investigational Site

Salt Lake City, Utah, United States

Site Status

Countries

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United States

References

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Carlin JL, Polymeropoulos C, Camilleri M, Lembo A, Fisher M, Kupersmith C, Madonick D, Moszczynski P, Smieszek S, Xiao C, Birznieks G, Polymeropoulos MH. The Efficacy of Tradipitant in Patients With Diabetic and Idiopathic Gastroparesis in a Phase 3 Randomized Placebo-Controlled Clinical Trial. Clin Gastroenterol Hepatol. 2024 Dec;22(12):2506-2516. doi: 10.1016/j.cgh.2024.01.005. Epub 2024 Jan 17.

Reference Type RESULT
PMID: 38237696 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Related Links

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Other Identifiers

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VP-VLY-686-3301

Identifier Type: -

Identifier Source: org_study_id

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