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Vitiligo is a common chronic skin disease with 1-4% prevalence. It has a significant psychosocial impact on patients and society. Different treatment modalities with variable success rates are available.
Phototherapy is among the successful treatments but gives modest results. Some reports documented the usefulness of Ginkgo Biloba (GB) when used alone in Vitiligo treatment.
Adding GB to phototherapy, especially the most commonly used one; Narrow-Band UVB (NBUVB) might give better results than using either one alone. This might improve repigmentation as well as patients' quality-of-life. (QOL).
This will be a prospective double-blind randomized controlled clinical trial. One-hundred-sixty Vitiligo patients will be randomly divided into 2 groups( 80 patients per group).
One group will receive oral GB (2 tablets of 60 mgs twice daily) with NBUVB twice weekly.
The other group will receive placebo tablets( identical in size, shape and color) to GB twice daily with NBUVB twice weekly.
Both groups will be treated for 6 months. Standard protocol of phototherapy will be used for both groups.
Our aim here is to see whether adding GB to NBUVB will lead to better repigmentation than placebo or not.
Observational Model: Case Control, Time Perspective: Prospective
King Khalid University Hospital
King Saud University
Published on BioPortfolio: 2014-07-23T21:11:54-0400
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Vitiligo is a chronic disorder causing skin depigmentation with around 1% global prevalence, affecting people of all ages, skin types and genders. Due to the absence of melanin in lesional skin there ...
The only specie of the genus Ginkgo, family Ginkgoacea. It is the source of extracts of medicinal interest, especially Egb 761. Ginkgo may refer to the genus or species.
Pigmenting photosensitizing agent obtained from several plants, mainly Psoralea corylifolia. It is administered either topically or orally in conjunction with ultraviolet light in the treatment of vitiligo.
A vasodilator that also has bronchodilatory action. It has been employed in the treatment of angina pectoris, in the treatment of asthma, and in conjunction with ultraviolet light A, has been tried in the treatment of vitiligo. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1024)
A disorder consisting of areas of macular depigmentation, commonly on extensor aspects of extremities, on the face or neck, and in skin folds. Age of onset is often in young adulthood and the condition tends to progress gradually with lesions enlarging and extending until a quiescent state is reached.
A syndrome characterized by bilateral granulomatous UVEITIS with IRITIS and secondary GLAUCOMA, premature ALOPECIA, symmetrical VITILIGO, poliosis circumscripta (a strand of depigmented hair), HEARING DISORDERS, and meningeal signs (neck stiffness and headache). Examination of the cerebrospinal fluid reveals a pattern consistent with MENINGITIS, ASEPTIC. (Adams et al., Principles of Neurology, 6th ed, p748; Surv Ophthalmol 1995 Jan;39(4):265-292)
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