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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05513924
Other study ID # 370
Secondary ID
Status Completed
Phase Phase 2/Phase 3
First received
Last updated
Start date March 15, 2022
Est. completion date December 1, 2022

Study information

Verified date July 2023
Source South Valley University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study aims to compare the efficacy of topical 5-fluorouracil versus topical latanoprost after skin microneedling in the induction of skin repigmentation in localized stable vitiligo patients.


Description:

Vitiligo is an acquired pigmentary disorder characterized by depigmented macules and patches secondary to the loss of functional melanocytes. It is a chronic disease that affects between 0.1% and 2% of the general population, affecting both sexes and all races. Theories regarding loss of melanocytes are based on autoimmune, cytotoxic, oxidant-antioxidant and neural mechanisms. Therapeutic strategies for vitiligo include nonsurgical and surgical methods. Nonsurgical options include topical corticosteroids and topical calcineurin inhibitors. Phototherapy as psoralen and ultraviolet A (PUVA) and narrow-band ultraviolet B (NB-UVB). Two types of surgical techniques are available: tissue grafts and cellular grafts, within between autologous cultured epithelial grafts. Microneedling is a method of transdermal drug delivery using a microneedling device applied to the skin for creating transport pathways through the stratum corneum, increasing the absorption of drugs and decreasing the duration of therapy. In addition, microneedling keeps the epidermis partially intact, fastens recovery, and limits the risk of infection and scarring. 5-Fluorouracil (5-FU) is a chemotherapeutic agent used in the treatment of many malignant tumors and it has been approved for topical use in the treatment of several dermatologic disorders. Localized hyperpigmentation occurred as a side effect of 5-FU use in cancer treatment attracts the attention toward its application in inducing repigmentation in vitiligo patches. Latanoprost (LT), a prostaglandin F2 alpha analogue used in the treatment of glaucoma, was found to induce skin pigmentation in guinea pigs in addition to its known periocular and iridal pigmentation side effect.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date December 1, 2022
Est. primary completion date November 1, 2022
Accepts healthy volunteers No
Gender All
Age group 10 Years to 60 Years
Eligibility Inclusion Criteria: - Patients of both sexes with stable localized vitiligo : patches should not have any increase or decrease in size or pigmentation for at least 3 months. Exclusion Criteria: - Pregnant or lactating female. - Active Koebner's phenomenon. - Age less than 10 years. - All patients included had not received any local or systemic medication for at least 2 months before the study. - Keloidal tendency.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Latanoprost 0.005% Ophthalmic Solution
The affected area cleaned with betadine surgical solution followed by alcohol 70%. Local anesthetic, pridocaine cream, applied on the treated area under occlusion for 30 min before the procedure. Using automated microneedling device (Dr Pen Derma Pen Ultima A6®) , which has a disposable head that personalized for each patient and sterilized after each session. The derma pen will penetrate the skin with variable depths ranging from 0.25 to 0.5 mm (not more than the depth of the epidermis). It will pass vertically over the vitiligo area in a circular pattern until pinpoint bleeding appears. The LT solution will be applied immediately to vitiligo patch one drop (contains 1.5 µg of LT) for every 2.5 cm. This procedure will be repeated every two weeks for six months.
5Fluorouracil
The affected area cleaned with betadine surgical solution followed by alcohol 70%. Local anesthetic, pridocaine cream, applied on the treated area under occlusion for 30 min before the procedure. Using automated microneedling device (Dr Pen Derma Pen Ultima A6®) , which has a disposable head that personalized for each patient and sterilized after each session. The derma pen will penetrate the skin with variable depths ranging from 0.25 to 0.5 mm (not more than the depth of the epidermis). It will pass vertically over the vitiligo area in a circular pattern until pinpoint bleeding appears. Topical application of 5-fluorouracil 5% solution will be rubbed over the affected area for about 2 minutes. Occlusive dressing for hours. This procedure will be repeated every two weeks for six months.

Locations

Country Name City State
Egypt South Valley University Qina Qena Governorate

Sponsors (1)

Lead Sponsor Collaborator
South Valley University

Country where clinical trial is conducted

Egypt, 

References & Publications (8)

Anbar TS, El-Ammawi TS, Abdel-Rahman AT, Hanna MR. The effect of latanoprost on vitiligo: a preliminary comparative study. Int J Dermatol. 2015;54(5):587-93. doi: 10.1111/ijd.12631. Epub 2014 Dec 29. — View Citation

Bacigalupi RM, Postolova A, Davis RS. Evidence-based, non-surgical treatments for vitiligo: a review. Am J Clin Dermatol. 2012 Aug 1;13(4):217-37. doi: 10.2165/11630540-000000000-00000. — View Citation

Laddha NC, Dwivedi M, Mansuri MS, Gani AR, Ansarullah M, Ramachandran AV, Dalai S, Begum R. Vitiligo: interplay between oxidative stress and immune system. Exp Dermatol. 2013 Apr;22(4):245-50. doi: 10.1111/exd.12103. Epub 2013 Feb 21. — View Citation

Mohamed HA, Mohammed GF, Gomaa AH, Eyada MM. Carbon dioxide laser plus topical 5-fluorouracil: a new combination therapeutic modality for acral vitiligo. J Cosmet Laser Ther. 2015;17(4):216-23. doi: 10.3109/14764172.2014.1003241. Epub 2015 Jan 30. — View Citation

Nugroho H, Fadzil MH, Yap VV, Norashikin S, Suraiya HH. Determination of skin repigmentation progression. Annu Int Conf IEEE Eng Med Biol Soc. 2007;2007:3442-5. doi: 10.1109/IEMBS.2007.4353071. — View Citation

Prausnitz MR. Microneedles for transdermal drug delivery. Adv Drug Deliv Rev. 2004 Mar 27;56(5):581-7. doi: 10.1016/j.addr.2003.10.023. — View Citation

Prince GT, Cameron MC, Fathi R, Alkousakis T. Topical 5-fluorouracil in dermatologic disease. Int J Dermatol. 2018 Oct;57(10):1259-1264. doi: 10.1111/ijd.14106. Epub 2018 Jun 25. — View Citation

van Geel N, Ongenae K, Naeyaert JM. Surgical techniques for vitiligo: a review. Dermatology. 2001;202(2):162-6. doi: 10.1159/000051626. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Assessment of clinical repigmentation changes of vitiligo lesions according to Physician's Global Assessment [PGA] 5 scales are : G4 (excellent: >75% repigmentation) G3 (very good: 50%-75% repigmentation) G2 (good: 25%-50%) G1 (satisfactory: <25% repigmentation) G0 (poor: no repigmentation) 6 months
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