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.
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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.
August 2026 in “Journal of Cosmetic Dermatology” This study found that platelet-rich plasma showed similar efficacy to intralesional triamcinolone acetonide for treating mild patch-type alopecia areata, offering a potential alternative with fewer steroid-related side effects.
March 2025 in “Pakistan Journal of Health Sciences” In this study, patients with Alopecia Areata showed significant clinical improvement after intralesional steroid treatment, as trichoscopic features like black dots and exclamation mark hairs decreased, while short vellus and circle hairs increased, highlighting Trichoscopy's utility in monitoring treatment response.
July 2026 in “Journal of Cutaneous and Aesthetic Surgery” This study found that intralesional Vitamin D3 injections were comparable in efficacy to intralesional triamcinolone for patchy alopecia areata, with a non-significant trend towards better outcomes and fewer local adverse effects.