New drug shows promise for regrowing hair in severe alopecia

NCT ID NCT03899259

First seen Apr 30, 2026 · Last updated Apr 30, 2026

Summary

This study tested whether baricitinib, a pill taken daily, can safely help regrow hair in adults with severe or very severe alopecia areata—a condition causing large bald patches. Over 600 participants received either baricitinib or a placebo for 36 weeks. The main goal was to see how many achieved at least 80% scalp hair coverage. Results may offer a new treatment option, but ongoing management is likely needed.

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Contacts and locations

Locations

  • Affiliated Hospital of Jiangsu University

    Zhenjiang, Jiangsu, 212000, China

  • Ajou University Hospital

    Suwon, Gyeonggi-do, 16499, South Korea

  • Associated Skin Care Specialists

    New Brighton, Minnesota, 55112, United States

  • Beijing Chao-Yang Hospital, Capital Medical University

    Beijing, Beijing Municipality, 100020, China

  • Beijing Friendship Hospital Affiliate of Capital University

    Beijing, Beijing Municipality, 100050, China

  • Bexley Dermatology Research

    Bexley, Ohio, 43209, United States

  • Boramae Medical Center

    Dongjak-gu, Seoul-teukbyeolsi [Seoul], 07061, South Korea

  • Buenos Aires Skin

    Buenos Aires, Buenos Aires F.D., 1055, Argentina

  • Center For Dermatology Clinical Research, Inc.

    Fremont, California, 94538, United States

  • Centro de Investigaciones Metabólicas (CINME)

    Ciudad Autónoma de Buenos Aires, Buenos Aires, 1027, Argentina

  • Centro de Investigaciones Médicas Tucuman

    SAN M. de Tucuman, Tucumán Province, T4000AXL, Argentina

  • Centro de Pesquisa Sao Lucas

    Campinas, São Paulo, 13034-685, Brazil

  • Chang Gung Medical Foundation-Linkou Branch

    Taoyuan District, 333, Taiwan

  • Chinese PLA General Hospital

    Beijing, Beijing Municipality, 100853, China

  • Chung Shan Medical University Hospital

    Taichung, Taichung, 402, Taiwan

  • Clinical Research Institute of Michigan, LLC

    Chesterfield, Michigan, 48047, United States

  • Clinical Research Puerto Rico

    San Juan, 00909, Puerto Rico

  • Clinical Trials SA Pty Ltd

    Campbelltown, South Australia, 5073, Australia

  • Dankook University Hospital

    Cheonan, Chungcheongnam-do, 31116, South Korea

  • Dawes Fretzin Clinical Research Group, LLC

    Indianapolis, Indiana, 46250, United States

  • Dermatologists of Southwest Ohio

    Mason, Ohio, 45040, United States

  • Dermatology Specialists of Charlotte

    Charlotte, North Carolina, 28211, United States

  • Dermatology and Skin Cancer Specialists

    Rockville, Maryland, 20850, United States

  • Emek Medical Center

    Afula, Northern District, 1834111, Israel

  • Faculdade de Medicina do ABC

    Santo André, São Paulo, 09060-870, Brazil

  • First Affiliated Hospital of Shanxi Medical University

    Taiyuan, Shanxi, 30001, China

  • Florida Academic Centers Research and Education, LLC

    Coral Gables, Florida, 33134, United States

  • ForCare Clinical Research

    Tampa, Florida, 33613-1244, United States

  • Fremantle Dermatology

    Fremantle, Western Australia, 6160, Australia

  • Fundacion Respirar

    Buenos Aires, Ciudad Autonoma Buenos Aires, C1426ABO, Argentina

  • Great Lakes Research Group, Inc.

    Bay City, Michigan, 48706, United States

  • Guangdong Province Dermatology Hospital

    Guangzhou, Guangdong, 510018, China

  • Hadassah Medical Center

    Jerusalem, Jerusalem, 9112001, Israel

  • Hamamatsu University Hospital

    Hamamatsu, Shizuoka, 431-3192, Japan

  • Hamzavi Dermatology

    Fort Gratiot, Michigan, 48059, United States

  • Hospital de Clínicas Da Universidade Estadual de Campinas

    Campinas, São Paulo, 13083-888, Brazil

  • HuaShan Hospital Affiliated To Fudan University

    Shanghai, Shanghai Municipality, 200040, China

  • IBPClin - Instituto Brasil de Pesquisa Clínica

    Rio de Janeiro, 22241-180, Brazil

  • IDERJ - Instituto de Dermatologia e Estética do Brasil

    Rio de Janeiro, Rio de Janeiro, 22470-220, Brazil

  • IPITEC

    São Paulo, 01223-001, Brazil

  • Instituto de Neumonología y Dermatología

    Capital Federal, Buenos Aires, 1425, Argentina

  • Investigate MD

    Scottsdale, Arizona, 85255, United States

  • Irmandade da Santa Casa de Misericordia de Porto Alegre

    Porto Alegre, Rio Grande do Sul, 90050-170, Brazil

  • Jiangsu Province Hospital

    Nanjing, Jiangsu, 210029, China

  • Joseph J. Schwartz, M.D.

    Troy, New York, 12180, United States

  • Juntendo Tokyo Koto Geriatric Medical Center

    Koto-ku, Tokyo, 136-0075, Japan

  • Juntendo University Hospital

    Bunkyo-ku, Tokyo, 113-8431, Japan

  • Kaiser Permanente Hospital

    San Francisco, California, 94118, United States

  • Kyorin University Hospital

    Mitaka, Tokyo, 181-8611, Japan

  • Kyunghee University Hospital at Gangdong

    Seoul, Seoul-teukbyeolsi [Seoul], 134-090, South Korea

  • M3-Emerging Medical Research

    Raleigh, North Carolina, 27612, United States

  • MediSearch Clinical Trials

    Saint Joseph, Missouri, 64506, United States

  • National Cheng Kung University Hospital

    Tainan, 704, Taiwan

  • National Taiwan University Hospital

    Taipei, 10002, Taiwan

  • New England Research Associates

    Bridgeport, Connecticut, 06606, United States

  • New Horizon Research Center

    Miami, Florida, 33165, United States

  • Northwest Dermatology Institute

    Portland, Oregon, 97210, United States

  • Oregon Dermatology and Research Center

    Portland, Oregon, 97210, United States

  • Osaka City University Hospital

    Osaka, 545-8586, Japan

  • Parra Dermatología

    Mendoza, 5500, Argentina

  • Peking University Third Hospital

    Beijing, Beijing Municipality, 100191, China

  • Progressive Clinical Research

    San Antonio, Texas, 78213, United States

  • Qualmedica Research, LLC

    Owensboro, Kentucky, 42303, United States

  • Quest Dermatology Research

    Northridge, California, 91324, United States

  • Rabin Medical Center

    Petah Tikva, Central District, 4941492, Israel

  • Rambam Medical Center

    Haifa, Northern District, 3109601, Israel

  • Servidor Público Estadual - IAMSPE - centro de estudos urológicos

    São Paulo, 04039-901, Brazil

  • Severance Hospital, Yonsei University Health System

    Seoul, 03722, South Korea

  • Shanghai Skin Disease Hospital

    Shanghai, Shanghai Municipality, 200071, China

  • Sheba Medical Center

    Ramat Gan, Central District, 5262100, Israel

  • Sinclair Dermatology

    Melbourne, Victoria, 3002, Australia

  • Skin & Cancer Foundation Australia

    Westmead, New South Wales, 2045, Australia

  • Skin Health Institute Inc.

    Carlton, Victoria, 3053, Australia

  • Soonchunhyang University Bucheon Hospital

    Bucheon-si, Gyeonggi-do, 14584, South Korea

  • Soroka Medical Center

    Beersheba, Southern District, 8410101, Israel

  • Sourasky Medical Center

    Tel Aviv, Tell Abīb, 6423906, Israel

  • Stat Research

    CABA, Buenos Aires, C1023AAB, Argentina

  • Suzanne Bruce and Associates, PA

    Houston, Texas, 77056, United States

  • The Second Affiliated Hospital of Xi'an Jiaotong University

    Xi'an, Shaanxi, 710004, China

  • The Second Affiliated Hospital of Zhejiang University School of Medicine

    Hangzhou, Zhejiang, 310052, China

  • The South Bend Clinic Center for Research

    South Bend, Indiana, 46617, United States

  • The University of North Carolina at Chapel Hill

    Chapel Hill, North Carolina, 27516, United States

  • Tianjin Medical University General Hospital

    Tianjin, Tianjin Municipality, 300052, China

  • Tokyo Medical Univ. Hospital

    Shinjuku-ku, Tokyo, 160-0023, Japan

  • Total Skin and Beauty Dermatology Center, PC

    Birmingham, Alabama, 35205, United States

  • Tufts Medical Center

    Boston, Massachusetts, 02111, United States

  • University Hospitals Cleveland Medical Center

    Cleveland, Ohio, 44106, United States

  • Velocity Clinical Research, Providence

    East Greenwich, Rhode Island, 02818, United States

  • Veracity Clinical Research Pty Ltd

    Woolloongabba, Queensland, 4102, Australia

  • Virginia Clinical Research, Inc.

    Norfolk, Virginia, 23502, United States

  • Vital Prospects Clinical Research Institute, P.C.

    Tulsa, Oklahoma, 74136, United States

  • Woden Dermatology

    Phillip, Australian Capital Territory, 2606, Australia

  • Xiangya Hospital Central South University

    Changsha, Hunan, 410008, China

  • Yamaguchi University Hospital

    Ube, Yamaguchi, 755-8505, Japan

  • Yokohama Rosai Hospital

    Yokohama, Kanagawa, 222-0036, Japan

  • Zhejiang Provincial People's Hospital

    Hangzhou, Zhejiang, 310014, China

Conditions

Explore the condition pages connected to this study.