A First-in-Human Study of RPT193 in Healthy Volunteers and Patients With Atopic Dermatitis

NCT ID: NCT04271514

Last Updated: 2021-09-30

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

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

103 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-08-12

Study Completion Date

2021-04-26

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This study is a first-in-human, 3-part, multi-center, Phase 1, randomized, double-blind, placebo-controlled study with RPT193 in up to 64 healthy male and female subjects and 30 male and female patients with atopic dermatitis. RPT193 is an orally-available, potent, and selective antagonist of CCR4.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Atopic Dermatitis

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

COMPLETED ENROLLMENT -- Single Dose Escalation Part A - active

Increasing doses of RPT193 will be administered to healthy volunteers

Group Type EXPERIMENTAL

RPT193

Intervention Type DRUG

Antagonist of the CCR4 chemokine receptor

COMPLETED ENROLLMENT -- Single Dose Escalation Part A - placebo

Matching placebo will be administered to healthy volunteers

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Matching placebo

COMPLETED ENROLLMENT -- Multiple Dose Escalation Part B - active

Increasing doses of RPT193 will be administered once/day for 7 days to healthy volunteers

Group Type EXPERIMENTAL

RPT193

Intervention Type DRUG

Antagonist of the CCR4 chemokine receptor

COMPLETED ENROLLMENT -- Multiple Dose Escalation Part B - placebo

Matching placebo will be administered once/day for 7 days to healthy volunteers

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Matching placebo

COMPLETED ENROLLMENT -- Expansion Part C - active

RPT193 will be administered daily for 28 days to patients with atopic dermatitis

Group Type EXPERIMENTAL

RPT193

Intervention Type DRUG

Antagonist of the CCR4 chemokine receptor

COMPLETED ENROLLMENT -- Expansion Part C - placebo

Matching placebo will be administered daily for 28 days to patients with atopic dermatitis

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Matching placebo

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

RPT193

Antagonist of the CCR4 chemokine receptor

Intervention Type DRUG

Placebo

Matching placebo

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

Parts A \& B (COMPLETED ENROLLMENT):

* Healthy male or female
* 18-55 years of age, inclusive
* At least 50 kg in weight
* BMI: 18.0-30.0 kg/m2, inclusive

Part C (COMPLETED ENROLLMENT):

* Male or female with atopic dermatitis
* 18-65 years of age, inclusive
* BMI between 18.0 (inclusive) and \<40.0 kg/m2
* Body surface area (BSA) with AD involvement ≥10%
* Eczema Area and Severity Index (EASI) score ≥12
* Validated Investigator's Global Assessment (vIGA) ≥3
* History of inadequate response to treatment with topical medications, such as corticosteroids or calcineurin inhibitors, or patients for whom topical treatments are otherwise medically inadvisable

Exclusion Criteria

Parts A \& B (COMPLETED ENROLLMENT):

* Use of tobacco products within 60 days prior to drug administration
* History of alcohol abuse or drug addiction
* Positive drug and alcohol screen
* Participation in a drug study within 60 days prior to drug administration
* Donation or loss of more than 100 mL of blood within 60 days prior to drug administration.
* Donation or loss of more than 1.5 liters of blood (for male subjects) / more than 1.0 liters of blood (for female subjects) in the 10 months prior to drug administration.

Part C (COMPLETED ENROLLMENT):

* Any serious and/or uncontrolled medical condition
* History of alcohol abuse or drug addiction
* Positive drug and alcohol screen
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

RAPT Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Laurence Cheng, MD, PhD

Role: STUDY_DIRECTOR

RAPT Therepeutics, Inc.

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Pinnacle Research Group, LLC

Anniston, Alabama, United States

Site Status

Perseverance Research Center LLC

Scottsdale, Arizona, United States

Site Status

University Clinical Trials, Inc

San Diego, California, United States

Site Status

Lenus Research & Medical Group

Miami, Florida, United States

Site Status

ForCare Clinical Research

Tampa, Florida, United States

Site Status

Dawes Fretzin Clinical Research Group, LLC

Indianapolis, Indiana, United States

Site Status

DelRicht Research

Baton Rouge, Louisiana, United States

Site Status

Clinical Trials Management,LLC

Metairie, Louisiana, United States

Site Status

MetroBoston Clinical Partners LLC

Brighton, Massachusetts, United States

Site Status

Sadick Research Group LLC

New York, New York, United States

Site Status

Central Sooner Research

Norman, Oklahoma, United States

Site Status

DermResearch, Inc.

Austin, Texas, United States

Site Status

Progressive Clinical Research PA

San Antonio, Texas, United States

Site Status

PRA

Groningen, , Netherlands

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States Netherlands

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

RPT193-01

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

CT 327 in the "Atopy Patch Test" Model
NCT01368315 WITHDRAWN PHASE1