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Efficacy and Safety of Total Glucosides of Paeony Combined With NB-UVB on Treating Vitiligo

Vitiligo Clinical Trial

Official title:
Efficacy and Safety of Total Glucosides of Paeony Combined With NB-UVB in the Treatment of Sporadic Vitiligo in Proceeding: a Double-blind, Randomized, Placebo-controlled Trial

Clinical Trial Summary

1. Total Glucosides of Paeony(TGP) As a traditional Chinese medicine, peony root is the dried root of peony of Ranunculaceae, cultivated all over the country.The main ingredient is a group of glycosides, including paeoniflorin, hydroxy paeoniflorin, paeoniflorin, paeoniflorin, benzoyl paeoniflorin etc, collectively referred to as total glucosides of paeony（TGP）. Paeoniflorin accounted for more than 90% of the TGP, is the main active ingredient of white peony root.By pharmacological and clinical studies of TGP, it have found that the mechanism of TGP is unique and mainly acts on the upstream of the immune response - inhibiting the presentation of antigens. It is different from immunosuppressive agents on T, B lymphocytes, or hormones and other drugs acting on the whole process. 2. Vitiligo Vitiligo is a pigment deprived skin disease caused by the destruction of melanocytes, the global incidence of about 1%. The pathogenesis is not yet clear, the current study shows that oxidative stress and autoimmunity is an important part of its occurrence and development. 3. The basic and clinical research of TGP used in vitiligo The ratio of cluster of differentiation 4+ / cluster designation 8+ T cell vs. cluster of differentiation 4+ chronotropic dose 25+ in the peripheral blood of patients with vitiligo could be significantly increase, after patients treatment by TGP combined with tacrolimus. Thereby enhancing the patient's maintenance of immune self-stability and Immune tolerance ability, promoting the healing of skin lesions. It showed significant effect in stable vitiligo,when patients treated by autologous epidermal grafting combined with TGP.

Clinical Trial Description

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Study Design

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Clinical Trial Details
NCT number NCT03608917
Study type Interventional
Source Xijing Hospital
Contact
Status Completed
Phase N/A
Start date April 17, 2018
Completion date July 31, 2019
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