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Randomized Controlled Trial
. 2024 Jan;40(1):e12929.
doi: 10.1111/phpp.12929. Epub 2023 Nov 20.

Narrowband ultraviolet B phototherapy combined with intralesional injection of either latanoprost or platelet-rich plasma for stable nonsegmental vitiligo

Affiliations
Randomized Controlled Trial

Narrowband ultraviolet B phototherapy combined with intralesional injection of either latanoprost or platelet-rich plasma for stable nonsegmental vitiligo

Manal Fawzy et al. Photodermatol Photoimmunol Photomed. 2024 Jan.

Abstract

Background: Narrowband ultraviolet B (NB-UVB) phototherapy is the cornerstone of vitiligo treatment. Its combination with other treatments usually yields a better response. Latanoprost, a prostaglandin F2α analog, and autologous platelet-rich plasma (PRP) have been reported to be effective for vitiligo.

Aim: To evaluate the efficacy of NB-UVB combined with intralesional latanoprost or PRP for stable nonsegmental vitiligo (NSV).

Methods: Sixty patients with stable NSV were recruited and randomly allocated to two equal groups. NB-UVB phototherapy was administered twice a week for all patients. Additionally, group A received intralesional latanoprost injections once weekly, while group B received intralesional autologous PRP injections every 2 weeks.

Results: At 24 weeks, excellent repigmentation response was observed in 26.7% and 13.3% of patients in the latanoprost/NB-UVB and PRP/NB-UVB groups, respectively, with no significant difference in degrees of repigmentation between the two groups. However, the Vitiligo Extent Score for a Target Area (VESTA) score was significantly higher in the latanoprost/NB-UVB group (p = .032). Moreover, lesions located on nonacral skin responded significantly better than those on acral skin. Only erythema was significantly higher in the PRP/NB-UVB group, while the recurrence of depigmentation was significantly higher in the latanoprost/NB-UVB group.

Conclusions: Both latanoprost and PRP have the potential to be effective add-on therapies to NB-UVB phototherapy for stable NSV, with latanoprost resulting in a greater repigmentation response and PRP producing a more stable response.

Keywords: latanoprost; narrowband ultraviolet B; platelet-rich plasma; treatment; vitiligo.

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References

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