# Comparison of 30% Metformin and 2% Nicotinamide Lotion With Kligman Formula in the Treatment of Melasma

> **NCT05790577** · PHASE2 · COMPLETED · sponsor: **Ishtiaq Ahmed** · enrollment: 88 (actual)

## Conditions studied

- Melasma

## Interventions

- **DRUG:** Metformin and Nicotinamide vs Kligman Formula

## Key facts

- **NCT ID:** NCT05790577
- **Lead sponsor:** Ishtiaq Ahmed
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-02-01
- **Primary completion:** 2023-02-15
- **Final completion:** 2023-02-15
- **Target enrollment:** 88 (ACTUAL)
- **Last updated:** 2023-05-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05790577

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05790577, "Comparison of 30% Metformin and 2% Nicotinamide Lotion With Kligman Formula in the Treatment of Melasma". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05790577. Licensed CC0.

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