Safety and Efficacy of Ritlecitinib for the Treatment of Patients with Alopecia Areata: A Systematic Review and Meta-Analysis of Controlled Trials

    March 2025 in “ Journal of Clinical Medicine ”
    Samah Omar Ali Alfahl, Abdullateef A. Alzolibani
    Studysummary This study found that Ritlecitinib significantly reduced hair loss in patients with alopecia areata by lowering SALT scores at weeks 12 and 24 compared to placebo, with acceptable safety but increased minor side effects like headaches and acne.
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    Research cited in this study 18

    1. A Phase 2a Study Investigating the Effects of Ritlecitinib on Brainstem Auditory Evoked Potentials and Intraepidermal Nerve Fiber Histology in Adults with Alopecia Areata Pharmacology Research & Perspectives · 2024
    2. Integrated Safety Analysis of Ritlecitinib, an Oral JAK3/TEC Family Kinase Inhibitor, for the Treatment of Alopecia Areata from the ALLEGRO Clinical Trial Program American journal of clinical dermatology · 2024
    3. Hair Loss Profiles and Ritlecitinib Efficacy in Patients with Alopecia Areata: Post Hoc Analysis of the Allegro Phase 2b/3 Study Dermatology and therapy · 2023
    4. Sustained Scalp, Eyebrow, and Eyelash Hair Regrowth With Ritlecitinib Through Week 48 in Patients With Alopecia Areata: Post Hoc Analysis of the ALLEGRO Phase 2b/3 Study Journal of the American Academy of Dermatology · 2023
    5. Scalp, Eyebrow, and Eyelash Hair Regrowth with Continued Ritlecitinib Treatment Among Patients with Alopecia Areata Without Target Efficacy Response at Week 24: Post Hoc Analysis of the ALLEGRO Phase 2b/3 Study Journal of the American Academy of Dermatology · 2023
    6. Efficacy and Safety of Ritlecitinib in Adolescents with Alopecia Areata: Results from the ALLEGRO Phase 2b/3 Randomized, Double-Blind, Placebo-Controlled Trial Pediatric Dermatology · 2023
    7. Efficacy and Safety of Ritlecitinib in Adults and Adolescents With Alopecia Areata: A Randomised, Double-Blind, Multicentre, Phase 2b–3 Trial The Lancet · 2023
    8. Efficacy and Safety of Baricitinib in Patients with Severe Alopecia Areata Over 52 Weeks in Phase III Trials American Journal of Clinical Dermatology · 2023
    9. Epidemiological Trends in Alopecia Areata at the Global, Regional, and National Levels Frontiers in immunology · 2022
    10. Evaluating the Therapeutic Potential of Ritlecitinib for the Treatment of Alopecia Areata Drug Design Development and Therapy · 2022
    11. Alopecia Areata: Current Understanding and Management Journal der Deutschen Dermatologischen Gesellschaft · 2022
    12. Ritlecitinib And Brepocitinib Demonstrate Significant Improvement In Scalp Alopecia Areata Biomarkers ˆThe ‰journal of allergy and clinical immunology/Journal of allergy and clinical immunology/˜The œjournal of allergy and clinical immunology · 2021
    13. A Phase 2a Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Safety of the Oral Janus Kinase Inhibitors Ritlecitinib and Brepocitinib in Alopecia Areata: 24-Week Results Journal of the American Academy of Dermatology · 2021
    14. Treatments for Alopecia Areata: A Systematic Review and Network Meta-Analysis Dermatologic therapy · 2021
    15. Novel Therapies for Alopecia Areata: The Era of Rational Drug Development The Journal of Allergy and Clinical Immunology · 2017
    16. Epidemiology and Burden of Alopecia Areata: A Systematic Review Clinical, Cosmetic and Investigational Dermatology · 2015
    17. Alopecia Areata: An Update Indian Journal of Dermatology, Venereology and Leprology · 2013
    18. Alopecia Areata: A New Treatment Plan Clinical, cosmetic and investigational dermatology · 2011

    Related research 4

    1. Alopecia Areata: A Multifactorial Autoimmune Condition Journal of autoimmunity · 2018
    2. Linear Alopecia Areata JAAD case reports · 2018
    3. Treating Resistant Cases of Alopecia Universalis Journal of cosmetology & trichology · 2018
    4. Overview of Alopecia Areata ˜The œjournal of investigative dermatology. Symposium proceedings/˜The œJournal of investigative dermatology symposium proceedings · 2013