7 citations
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February 2022 in “Journal of Cosmetic Dermatology” In this randomized controlled trial, intralesional vitamin D3 injections significantly improved localized alopecia areata symptoms compared to a saline placebo, with minimal and transient side effects, suggesting vitamin D3 as an effective treatment option without needing prior serum vitamin D level measurement.
1 citations
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August 2024 in “Journal of Cosmetic and Laser Therapy” This study found that intralesional vitamin D3 achieved similar effectiveness to triamcinolone acetonide for treating patchy alopecia areata but was associated with fewer adverse effects and higher patient satisfaction.
June 2024 in “Zagazig University Medical Journal” This study found that intralesional vitamin D injections in patients with alopecia areata resulted in mild effectiveness, with minimal hair regrowth observed in 75% of patients, and no significant change in SALT scores post-treatment compared to baseline.
May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” This randomized controlled trial found that intralesional vitamin D3 was as effective and safe as intralesional triamcinolone acetonide for treating patchy alopecia areata on the scalp, with no significant influence from serum vitamin D levels on treatment response.
August 2025 in “Zanco Journal of Medical Sciences” In this interventional therapeutic study, both intralesional triamcinolone acetonide and vitamin D3 showed significant improvement in alopecia areata, with terminal regrowth more frequently observed in the steroid group, although differences were not statistically significant.