January 2026 in “Dermatologic Therapy” This study found that elevated tissue RBP4 levels correlate with disease severity in alopecia areata and decrease after effective baricitinib treatment, while the rs3758539 polymorphism is linked to disease susceptibility but not to treatment response.
July 2026 in “Journal of the American Academy of Dermatology” 6 citations
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October 2023 in “JAAD Case Reports” This study describes dissecting cellulitis of the scalp (DCS) as a rare and aggressive form of chronic scalp inflammation presenting with pustules and nodules, commonly affecting males and African Americans, and leading to significant quality of life impacts and psychological distress.
December 2025 in “Journal of health economics and outcomes research” This study analyzed the economic burden of alopecia areata in Saudi Arabia, finding significant costs driven by productivity loss and drug expenses, with severe cases incurring higher expenses, emphasizing the need for better treatment protocols and access to therapies.
September 2023 in “Clinical, cosmetic and investigational dermatology” This case series reports successful treatment of refractory folliculitis decalvans using surgical excision with second-intention healing and guarded high-tension suturing, resulting in long-term remission without recurrence over a 10–24 month follow-up period.
1 citations
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May 2017 in “Journal of the American Academy of Dermatology” Oral tofacitinib may be an effective and tolerable treatment for some people with severe alopecia areata.
In this case report, an 8-year-old Spitz dog with refractory dermatophytosis showed significant clinical improvement after switching to posaconazole, chosen based on antifungal susceptibility testing, offering a promising treatment option for dogs unresponsive to standard antifungal therapies.
January 2026 in “Preprints.org” In this study, a case of a Spitz dog with refractory dermatophytosis demonstrated marked clinical improvement and complete cure with Posaconazole, highlighting the potential of antifungal susceptibility testing to guide effective treatment in persistent infections unresponsive to standard therapies.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that while 51.3% of severe alopecia areata patients achieved significant hair regrowth with intravenous methylprednisolone, oral Janus kinase inhibitors may benefit those who do not respond to this treatment.
8 citations
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January 2013 in “European Journal of Dermatology” This article reviews the use of alitretinoin for corticosteroid-refractory chronic hand eczema and explores its potential therapeutic benefits in other skin conditions, but reports no clinical results.
April 2023 in “IP Indian journal of clinical and experimental dermatology” This article reviews the pathogenesis, complications, and management of lichen planus, especially its persistent oral form, and highlights the need for further prospective studies.
14 citations
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November 2016 in “Lupus” In this retrospective study of adolescents with recalcitrant cutaneous lupus, lenalidomide treatment resulted in complete or near resolution of skin symptoms within 6 months, while allowing for a reduction in prednisone dosage.
6 citations
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February 2021 in “Frontiers in Cell and Developmental Biology” This study suggests that vitamin A may inhibit hair follicle stem cells during refractory telogen in a dose-dependent manner, based on retinyl ester levels and vitamin A metabolism protein localization in mice.
36 citations
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April 2005 in “British journal of dermatology/British journal of dermatology, Supplement” In this study, modern radiation therapy techniques rapidly alleviated pain and improved symptoms in patients with severe dissecting cellulitis of the scalp, with no long-term toxicity observed.
January 2016 in “Refubium (Universitätsbibliothek der Freien Universität Berlin)” In this study, the safety profile of the prodrug CAP7.1 was found to be similar to other topoisomerase inhibitors, with myelosuppression as the main dose-limiting toxicity.
22 citations
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October 2020 in “Anais Brasileiros de Dermatologia” This consensus concluded that oral isotretinoin is highly effective for treating acne and some off-label conditions, with common adverse events being manageable and rare serious risks not contraindicating use.
August 2019 in “International journal of contemporary pediatrics” This case study reports that a 3 ½ year-old male with vitamin D-dependent type II rickets showed partial improvement in alopecia and rickets when treated with high doses of 1,25(OH)2 vitamin D3.
3 citations
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January 2025 in “SAGE Open Medical Case Reports” In this case report, a 48-year-old woman with refractory discoid lupus erythematosus showed significant improvement, including hair regrowth, after treatment with deucravacitinib, suggesting its potential as an effective therapy for this condition.
This case study observed that a patient with multiple refractory inflammatory conditions, including psoriasis, alopecia areata, and psoriatic arthritis, experienced significant improvements after three months of treatment with upadacitinib. The report suggests potential benefits of upadacitinib for similar conditions, recommending further clinical trials.
January 2026 in “Ciencia Latina Revista Científica Multidisciplinar” In this case study, a 14-year-old boy with treatment-resistant diffuse alopecia areata achieved complete hair regrowth following three monthly sessions of microneedling combined with injections of triamcinolone, dutasteride, and synthetic exosomes, suggesting that exosome-based therapy could be a promising alternative for managing refractory autoimmune alopecia.
26 citations
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July 1992 in “International Journal of Dermatology” In this study, treating refractory alopecia universalis with low-dose cyclosporine A and prednisolone improved symptoms, with no recurring alopecia six months post-treatment and enhancements in immunologic function.
1 citations
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June 2025 in “British Journal of Dermatology” In this study, a solitary patch of significant hair regrowth was observed in a patient with refractory alopecia universalis under the site of a smartwatch emitting green, red, and infrared light, supporting photobiomodulation as a potential treatment for alopecia areata.
January 2026 in “Ciencia Latina Revista Científica Multidisciplinar” This study reports on a 14-year-old male with refractory diffuse alopecia areata who achieved full hair density restoration after three monthly sessions of microneedling combined with triamcinolone, dutasteride, and synthetic exosome treatment, highlighting exosomes' potential for enhancing traditional therapies in autoimmune hair loss cases.
30 citations
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February 1994 in “Journal of Cutaneous Pathology” This case study highlights that breast cancer may present as alopecia refractory to usual treatments, indicating the need for consideration of underlying malignancy in such cases.
10 citations
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January 2018 in “International Journal of Trichology” In this study, researchers retrospectively analyzed five children with extensive and refractory alopecia areata treated with mesalazine, observing complete hair regrowth in all patients without side effects, suggesting potential benefits of this treatment combination, though controlled studies are needed for confirmation.
2 citations
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January 2002 in “Linchuang pifuke zazhi” In this study, 71% of patients with severe and refractory alopecia areata showed new hair growth after treatment with cyclosporine combination therapy, though side effects were common but generally mild.
September 2024 in “Journal of Cosmetic Dermatology” In this study, seven patients with refractory alopecia areata treated with concentrated growth factor and microneedling-assisted betamethasone experienced significant hair regrowth, with one achieving over 50% regrowth and six showing complete recovery, without adverse effects.
1 citations
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June 2017 in “Skin” This study is the first to report that apremilast may be effective in treating refractory lichen planopilaris and frontal fibrosing alopecia, though some patients experienced adverse effects leading to discontinuation.
5 citations
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July 2023 in “International Journal of Women’s Dermatology” This study reports that anifrolumab showed promising improvement in a case of refractory discoid lupus erythematosus, specifically enhancing skin lesions and promoting hair regrowth, suggesting potential as an effective therapy for severe cases.
2 citations
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February 2025 in “Journal of the European Academy of Dermatology and Venereology” This study suggests that Janus kinase inhibitors may offer a potential treatment option for refractory lichen planopilaris and frontal fibrosing alopecia, showing positive response rates between 42% and 100%, though evidence quality is low.