NCT04797650

Brief Summary

This study evaluates the safety and effectiveness of an investigational study drug (called CTP-543) in adults (18 years and older) who have 50% or greater scalp hair loss.

Trial Health

93
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
517

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Jun 2021

Shorter than P25 for phase_3

Geographic Reach
7 countries

63 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 10, 2021

Completed
5 days until next milestone

First Posted

Study publicly available on registry

March 15, 2021

Completed
3 months until next milestone

Study Start

First participant enrolled

June 10, 2021

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 8, 2022

Completed
21 days until next milestone

Study Completion

Last participant's last visit for all outcomes

June 29, 2022

Completed
1 year until next milestone

Results Posted

Study results publicly available

July 3, 2023

Completed
Last Updated

July 3, 2023

Status Verified

June 1, 2023

Enrollment Period

12 months

First QC Date

March 10, 2021

Results QC Date

June 5, 2023

Last Update Submit

June 30, 2023

Conditions

Keywords

AlopeciaHair lossHair diseaseCTP-543

Outcome Measures

Primary Outcomes (1)

  • Percentage of Participants Achieving an Absolute Severity of Alopecia Tool (SALT) Score ≤20 at Week 24

    SALT is a quantitative assessment of scalp hair loss with scores ranging in severity from 0 (no scalp hair loss) to a maximum of 100 (complete scalp hair loss).

    Week 24

Secondary Outcomes (15)

  • Percentage of Responders on the Hair Satisfaction Participants Reported Outcome (SPRO) Scale at Weeks 12, 16, 20, and 24

    Weeks 12, 16, 20, and 24

  • Percentage of Participants Achieving an Absolute SALT Score of ≤20 at Weeks 4, 8, 12, 16, and 20

    Weeks 4, 8, 12, 16, and 20

  • Relative Change in SALT Scores From Baseline at Weeks 4, 8, 12, 16, 20, and 24

    Baseline, Weeks 4, 8, 12, 16, 20, and 24

  • Percentage of Responders Assessed Using the Clinician Global Impression of Improvement (CGI-I) at Weeks 12, 16, 20, and 24

    Weeks 12, 16, 20, and 24

  • Percentage of Responders Assessed Using the Patient Global Impression of Improvement (PGI-I) at Weeks 12, 16, 20, and 24

    Weeks 12, 16, 20, and 24

  • +10 more secondary outcomes

Study Arms (3)

Placebo

PLACEBO COMPARATOR

Participants received CTP-543 matched placebo tablets, orally, twice daily (BID) for up to 24 weeks.

Drug: CTP-543 matching placebo

CTP-543 8 mg BID

EXPERIMENTAL

Participants received CTP-543 8 mg tablets, orally, BID for up to 24 weeks.

Drug: CTP-543

CTP-543 12 mg BID

EXPERIMENTAL

Participants received CTP-543 12 mg tablets, orally, BID for up to 24 weeks.

Drug: CTP-543

Interventions

Administered as tablets.

Placebo

Administered as tablets.

CTP-543 12 mg BIDCTP-543 8 mg BID

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Clinical presentation compatible with alopecia areata with a current episode lasting at least 6 months and not exceeding 10 years at the time of Screening. Total disease duration greater than 10 years is permitted.
  • At least 50% scalp hair loss, as defined by a Severity of Alopecia Tool (SALT) score ≥50, at Screening and Baseline.
  • Willing to comply with the study visits and requirements of the study protocol.

You may not qualify if:

  • Treatment with other medications or agents within 1 month of Baseline or during the study that may affect hair regrowth or immune response.
  • Active scalp inflammation, psoriasis, or seborrheic dermatitis requiring topical treatment to the scalp, significant trauma to the scalp, or other scalp condition that may interfere with the SALT assessment, or untreated actinic keratosis anywhere on the body at Screening and/or Baseline.
  • Treatment with systemic immunosuppressive medications within 3 months of Screening or during the study, or biologics within 6 months of Screening or during the study.
  • Females who are nursing, pregnant, or planning to become pregnant while in the study, and for 30 days after last dose of study drug.
  • Clinically significant medical condition, psychiatric disease, or social condition, as determined by the Investigator, that may unfavorably alter the risk-benefit of study participation, adversely affect study compliance, or confound interpretation of study results.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (63)

Alliance Dermatology & Mohs Center

Phoenix, Arizona, 85032, United States

Location

Johnson Dermatology

Fort Smith, Arkansas, 72916, United States

Location

Dermatology Research Associates

Los Angeles, California, 90045, United States

Location

University of Miami Hospital

Miami, Florida, 33124, United States

Location

Floridian Research Institute LLC

Miami, Florida, 33145, United States

Location

MetroBoston Clinical Partners, LLC

Brighton, Massachusetts, 02135, United States

Location

Clinical Research Institute of Michigan, LLC

Chesterfield, Michigan, 48087, United States

Location

Hamzavi Dermatology

Fort Gratiot, Michigan, 48059, United States

Location

Galen Research

Chesterfield, Missouri, 63005, United States

Location

Vivida Dermatology

Las Vegas, Nevada, 89148, United States

Location

The Dermatology Group P.C.

Verona, New Jersey, 07044, United States

Location

Icahn School of Medicine at Mount Sinai

New York, New York, 10029, United States

Location

Columbia University Medical Center - Department of Dermatology

New York, New York, 10032, United States

Location

University of Rochester

Rochester, New York, 14642, United States

Location

Dermatologists of Southwest Ohio

Mason, Ohio, 45040, United States

Location

Oregon Medical Research

Portland, Oregon, 97223, United States

Location

Velocity Clinical Research - Providence

Warwick, Rhode Island, 02886, United States

Location

The Skin Wellness Center

Knoxville, Tennessee, 37922, United States

Location

North Texas Center for Clinical Research

Frisco, Texas, 75034, United States

Location

Elixir Research Group

Houston, Texas, 77077, United States

Location

Progressive Clinical Research

San Antonio, Texas, 78213, United States

Location

Velocity Clinical Research/Gateway

Salt Lake City, Utah, 84101, United States

Location

Velocity Clinical Research/Swinyer-Woseth Dermatology

Salt Lake City, Utah, 84117, United States

Location

Jordan Valley Dermatology Center

South Jordan, Utah, 84095, United States

Location

The Rector and Visitors of the University of Virginia

Charlottesville, Virginia, 22903, United States

Location

Care Clinic Ltd.

Red Deer, Alberta, T4N6V7, Canada

Location

Medical Arts Health Research Group

Kelowna, British Columbia, V1Y 4N7, Canada

Location

Kingsway Clinical Research

Etobicoke, Ontario, M8X1Y9, Canada

Location

North Bay Dermatology Centre

North Bay, Ontario, P1B 3Z7, Canada

Location

The Centre for Dermatology

Richmond Hill, Ontario, L4B1A5, Canada

Location

Centre de Recherche Saint-Louis

Québec, G1W4R4, Canada

Location

Centre de Recherche Dermatologique du Quebec Metropolitan

Québec, L4B1A5, Canada

Location

Centre Hospitalier Universitaire de Nice - Hôpital Archet 2

Nice, Alpes-maritimes, 06202 CEDEX 3, France

Location

Chru de Brest - Hôpital Morvan

Brest, Finestère, 29609 CEDEX, France

Location

Universitaetsklinikum Tübingen

Tübingen, Baden-Wurttemberg, 72076, Germany

Location

Klinikum Rechts Der Isar, Technische Universität München

Munich, Bavaria, 80802, Germany

Location

Universitätsklinikum Frankfurt Klinik Für Dermatologie, Venerologie Und Allergologie

Frankfurt am Main, Hesse, 60590, Germany

Location

Fachklinik Bad Bentheim - Dermatologische Studienambulanz

Bad Bentheim, Lower Saxony, 48455, Germany

Location

Dermatologische Studienambulanz

Bochum, North Rhine-Westphalia, 44791, Germany

Location

University Hospital Muenster

Münster, North Rhine-Westphalia, 48149, Germany

Location

Clinical Research Center for Hair and Skin Science, Dept of Dermatology, Charité Universitätsmedizin Berlin

Berlin, 10117, Germany

Location

Universitätsklinikum Erlangen Hautklinik

Erlangen, 91054, Germany

Location

Pécsi Tudományegyetem Klinikai Központ, Bőr-, Nemikórtani És Onkodermatológiai Klinika

Pécs, Baranya, 7632, Hungary

Location

Szte Áok Szent-Györgyi Albert Klinikai Központ Bőrgyógyászati És Allergológiai Klinika

Szeged, Csongrád-csanád, 6720, Hungary

Location

Bugát Pál Kórház

Gyöngyös, Heves County, 3200, Hungary

Location

Semmelweis Egyetem, Általános Orvostudományi Kar, Bőr-, Nemikórtani És Bőronkológiai Klinika

Budapest, Pest County, 1085, Hungary

Location

Wromedica I. Bielicka, A. Strzalkowska S.C.

Wroclaw, Lower Silesian Voivodeship, 50-685, Poland

Location

Twoja Przychodnia - Centrum Medyczne Nowa Sól

Nowa Sól, Lubusz Voivodeship, 67-100, Poland

Location

Etg Siedlce

Siedlce, Masovian Voivodeship, 08-110, Poland

Location

Ot.Co Clinic Klinika Osipowicz & Turkowski Sp. Z O.O.

Warsaw, Masovian Voivodeship, 00-716, Poland

Location

Rcmed Oddzial Warszawa

Warsaw, Masovian Voivodeship, 00-892, Poland

Location

Carpe Diem Centrum Medycyny Estetycznej

Warsaw, Masovian Voivodeship, 02-664, Poland

Location

Etg Warszawa

Warsaw, Masovian Voivodeship, 02-793, Poland

Location

Twoja Przychodnia - Szczecinskie Centrum Medyczne

Szczecin, 71-434, Poland

Location

Etg Skierniewice

Skierniewice, Łódź Voivodeship, 96-100, Poland

Location

Hospital Del Mar

Barcelona, Catalonia, 08001, Spain

Location

Hospital Santa Creu I Sant Pau

Barcelona, Catalonia, 08041, Spain

Location

Hospital Clinic de Barcelona

Barcelona, 08036, Spain

Location

Hospital Universitario Reina Sofia

Córdoba, 14004, Spain

Location

Hospital Universitario Ramón Y Cajal - Edificio Consultas Externas

Madrid, 28034, Spain

Location

Hospital Doce de Octubre

Madrid, 28041, Spain

Location

Hospital Universitario La Paz

Madrid, 28046, Spain

Location

Hospital Universitario Infanta Leonor

Madrid, 28081, Spain

Location

MeSH Terms

Conditions

Alopecia AreataAlopeciaHair Diseases

Condition Hierarchy (Ancestors)

HypotrichosisSkin DiseasesSkin and Connective Tissue DiseasesPathological Conditions, AnatomicalPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Colleen E. Hamilton
Organization
Concert Pharmaceuticals, Inc.

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 10, 2021

First Posted

March 15, 2021

Study Start

June 10, 2021

Primary Completion

June 8, 2022

Study Completion

June 29, 2022

Last Updated

July 3, 2023

Results First Posted

July 3, 2023

Record last verified: 2023-06

Data Sharing

IPD Sharing
Will not share

Locations