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NOT YET RECRUITING
NCT07473895
PHASE2

Topical 5% Spironolactone Gel Versus 0.1% Adapalene Gel for Acne Vulgaris: A Randomized Split-Face Study

Sponsor: Assiut University

View on ClinicalTrials.gov

Summary

Acne vulgaris is one of the most common dermatological conditions affecting adolescents and young adults. It results from multiple pathogenic factors, including increased sebum production, follicular hyperkeratinization, colonization by Cutibacterium acnes, and inflammation. Topical retinoids such as adapalene are widely used as first-line therapy; however, they may cause irritation and are not always effective in all patients. Recently, topical antiandrogen therapies such as spironolactone have gained attention because of their ability to reduce sebum production and improve acne lesions. This study aims to evaluate the efficacy and safety of a topical 5% spironolactone gel nano-formulation compared with 0.1% adapalene gel in the treatment of acne vulgaris. A split-face study design will be used in which each participant will receive spironolactone gel on one side of the face and adapalene gel on the other side. This design allows each participant to serve as their own control and helps reduce variability in treatment response. Participants diagnosed with acne vulgaris will be enrolled and treated for a defined follow-up period. Clinical assessment will be performed at baseline and during scheduled follow-up visits to evaluate improvement in acne lesions and monitor possible adverse effects. The primary outcomes will include changes in acne lesion counts and clinical severity scores. Safety and tolerability of both treatments will also be assessed. The results of this study may provide evidence regarding the effectiveness of topical spironolactone nano-formulation as a potential alternative or adjunct therapy for acne vulgaris.

Official title: Efficacy and Safety of Topical 5% Spironolactone Gel Nano-Formulation Versus 0.1% Adapalene Gel in the Management of Acne Vulgaris: A Split-Face Study

Key Details

Gender

All

Age Range

18 Years - 45 Years

Study Type

INTERVENTIONAL

Enrollment

40

Start Date

2026-04

Completion Date

2026-12

Last Updated

2026-03-17

Healthy Volunteers

No

Conditions

Interventions

DRUG

Spironolactone 5% Topical Gel

This is a drug-loaded nanospanlastics dispersion (using Span 60 and Tween 40) fabricated via the ethanol injection technique. It is applied twice daily to one half of the face for 8 weeks.

DRUG

Adapalene 0.1% Topical Gel

A third-generation retinoid applied once daily at night to the opposite half of the face.

Locations (1)

Assiut University

Asyut, Egypt