Effectiveness of 308-nm Excimer Laser Therapy in Treating Alopecia Areata by Examining Treated Sides of Selected Alopecic Patches

January 2015 in “ Dermatology ”

Ji Won Byun, Jong Hyuk Moon, Chan Yl Bang, Jeonghyun Shin, Gwang Seong Choi

308-nm excimer laser alopecia areata hair count hair diameter phototrichogram excimer laser AA

TLDR 308-nm excimer laser therapy helps regrow hair in alopecia areata.

The study investigated the effectiveness of 308-nm excimer laser therapy on alopecia areata (AA) by treating one side of an alopecic patch in 10 patients over 12 weeks. Results showed objective improvements in hair count and diameter on the treated side, with a significant increase in hair diameter compared to the control side. The findings indicated that 308-nm excimer laser therapy had a therapeutic effect on AA, as confirmed by photographic and phototrichogram analyses.

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Research cited in this study

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research Alopecia Areata Update

391 citations, January 2010 in “Journal of The American Academy of Dermatology”

Half of people with Alopecia Areata may see hair regrowth within a year without treatment, but recovery is unpredictable.

research Alopecia Areata Update

244 citations, January 2010 in “Journal of the American Academy of Dermatology”

The document says current treatments for alopecia areata do not cure or prevent it, and it's hard to judge their effectiveness due to spontaneous remission and lack of studies.

research 308-nm Excimer Laser for the Treatment of Alopecia Areata in Children

79 citations, September 2009 in “Pediatric dermatology”

The 308-nm Excimer laser is effective and safe for treating patchy alopecia areata in children.

research Transient CD44 Variant Isoform Expression and Reduction in CD4+/CD25+ Regulatory T Cells in C3H/HeJ Mice with Alopecia Areata

77 citations, June 2002 in “Journal of Investigative Dermatology”

CD44 variant changes start alopecia areata, but don't maintain it.

research Experimental Induction of Alopecia Areata-Like Hair Loss in C3H/HeJ Mice Using Full-Thickness Skin Grafts

131 citations, November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology”

Skin grafts on mice can cause an immune response leading to hair loss, useful for studying human hair loss conditions.

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