36 citations
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December 2021 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” This study observed that both ritlecitinib and brepocitinib improved scalp biomarkers in patients with alopecia areata, with associations to hair regrowth seen in this phase 2a trial.
25 citations
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November 2013 in “Journal of the American Academy of Dermatology” This study observed that 71% of chronic myeloid leukemia patients treated with second-generation tyrosine kinase inhibitors experienced adverse cutaneous reactions, which were generally less severe than those caused by imatinib.
October 2021 in “International journal of basic and clinical pharmacology” This case report discusses how trichomegaly, an adverse effect of the cancer therapy drug erlotinib, might serve as a marker of positive tumor response and potentially aid in treating madarosis.
7 citations
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October 2024 in “Journal of the American Academy of Dermatology” This source reported that patients who initially responded to ritlecitinib treatment showed sustained hair regrowth through week 48, with up to one-third of those not meeting target efficacy at week 24 also achieving a response with continued treatment.
November 2025 in “SKIN The Journal of Cutaneous Medicine” This study evaluated the long-term safety of ritlecitinib in adolescents with alopecia areata and found it to be well-tolerated without new safety concerns over approximately five years, with common adverse events including positive SARS-CoV-2 tests, acne, headache, and nasopharyngitis.
March 2026 in “American Journal of Clinical Dermatology” In this study, ritlecitinib 50 mg produced clinically meaningful improvements in scalp hair regrowth over three years for patients aged 12 and older with severe alopecia areata, with 65.1% showing substantial hair regrowth and 31.2% achieving complete regrowth, while also maintaining a consistent safety profile.
25 citations
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January 2011 in “Annals of Dermatology” This case report documents a 61-year-old woman treated with erlotinib who experienced the rare side effect of cicatricial alopecia.
1 citations
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March 2026 in “American Journal of Clinical Dermatology” In this Italian retrospective study, ritlecitinib 50 mg/day showed effectiveness and good tolerability for treating severe alopecia areata over 24 weeks, achieving significant hair regrowth particularly in adolescents, as well as improvements in eyebrows, eyelashes, nails, and quality of life, with mostly mild adverse effects.
July 2026 in “Skin Appendage Disorders” In this study, patients with treatment-refractory alopecia areata who received oral ritlecitinib 50 mg daily experienced significant hair regrowth, with 52.6% achieving complete scalp regrowth and improved Severity of Alopecia Tool scores, indicating its potential effectiveness in real-world settings.
November 2025 in “SKIN The Journal of Cutaneous Medicine” In this study, nearly one-third of patients with severe alopecia areata treated with ritlecitinib achieved complete scalp hair regrowth at least once over three years, and most maintained regrowth or stayed at low hair loss levels subsequently.
January 1975 in “NJEA Review” This Phase II study found that BAY 43-9006, given at 400 mg orally twice daily, led to stable disease in 30% and tumor reduction in 40% of renal cell carcinoma patients.
June 2026 in “Journal of health economics and outcomes research” This study found that ritlecitinib 50 mg offered a lower cost per responder than baricitinib 2 or 4 mg for treating severe alopecia areata at Weeks 24 and 52, potentially influencing reimbursement decisions.
June 2026 in “Journal of health economics and outcomes research” In this study, researchers found that ritlecitinib 50 mg offered a lower cost per responder than baricitinib 2 or 4 mg at both 24 and 52 weeks for treating severe alopecia areata, suggesting potential implications for reimbursement or formulary decisions.
2 citations
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May 2025 in “Journal of the European Academy of Dermatology and Venereology” In this study, daily treatment with ritlecitinib for up to 24 months led to significant reductions in high-severity alopecia areata SALT scores among patients aged ≥12 years, including those with severe forms such as alopecia totalis and universalis.
1 citations
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October 2025 in “International Journal of Dermatology” In this study, participants receiving a 50-mg maintenance dose of ritlecitinib reported greater improvements in emotional and activity limitations due to hair loss by Week 48 compared to those on a 10-mg dose.
1 citations
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August 2021 in “Journal of The American Academy of Dermatology” In this study, baricitinib treatment led to significant regrowth of scalp, eyebrow, and eyelash hair in alopecia areata patients compared to placebo, with higher effectiveness seen at the 4-mg dose.
Results are not reported in this abstract, which notes that while Janus kinase inhibitors like baricitinib show therapeutic benefits for alopecia areata, the mechanisms and reliable predictors of response remain unclear.
138 citations
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March 2021 in “Journal of the American Academy of Dermatology” This study found that treatment with ritlecitinib or brepocitinib was effective in improving scalp hair loss for patients with alopecia areata over 24 weeks compared to placebo.
March 2026 in “The Journal of Dermatology” This study found that ritlecitinib 50 mg is cost-effective compared to no treatment for patients in Japan with alopecia areata and significant scalp hair loss, demonstrating an incremental cost-effectiveness ratio below the country's cost-effectiveness threshold.
1 citations
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November 2025 in “Journal of the American Academy of Dermatology”
26 citations
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August 2018 in “American Journal of Clinical Dermatology” This review discusses the clinical characteristics of alopecia in cancer patients, highlighting its potential role as an associated finding or diagnostic clue, but reports no new clinical results.
7 citations
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October 2019 in “Annals of palliative medicine” This review examines the incidence and management of dermatologic adverse effects from FDA-approved oral targeted cancer therapies, highlighting frequent occurrences like rashes and rarer severe conditions such as Stevens-Johnson Syndrome.
1 citations
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July 2020 in “Bezmialem science” This study found that reflexology massage significantly improved hair regrowth in women with chemotherapy-induced alopecia compared to those receiving usual care.
1 citations
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March 2019 in “Actas Dermo-Sifiliográficas” This review discusses the adverse effects on hair associated with targeted cancer therapies and reports no new clinical results; it emphasizes the need for comprehensive documentation of these effects.
March 2026 in “Folia Histochemica et Cytobiologica” This review highlights LTBP1 as a critical integrator in disease processes, showing its dual role in cancer progression and suppression, its pathological influence in fibrosis, and its contribution to various disorders, suggesting its potential as a biomarker and therapeutic target.
June 2024 in “ESMO Gastrointestinal Oncology” The BAYONET trial is a phase II study designed to assess the efficacy and safety of combining encorafenib, binimetinib, and cetuximab for patients with BRAF V600E-mutant metastatic colorectal cancer that is resistant to encorafenib plus cetuximab; results are not yet reported.
November 2025 in “Journal of Investigative Dermatology” Ritlecitinib effectively treats severe Alopecia Areata by reducing harmful immune activity in the skin.
2 citations
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April 2023 in “Expert Review of Clinical Immunology” This review details how baricitinib successfully demonstrated significant hair regrowth in clinical trials for severe alopecia areata, now leading to its approval as the first systemic therapy for the condition, while also highlighting the importance of assessing individual risk factors for adverse events.
39 citations
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June 2019 in “Frontiers in Endocrinology” This study reported that while both sorafenib and lenvatinib may require dose modifications due to adverse events in treating advanced or metastatic thyroid cancers, key differences in side effect profiles were observed.
14 citations
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January 2017 in “Pharmacological Reports” TP0427736 may help treat hair loss by blocking a specific protein and promoting hair growth.