# Efficacy and Safety of Topical Cysteamine for Postinflammatory Hyperpigmentation

> **NCT05206318** · NA · UNKNOWN · sponsor: **Chang Gung Memorial Hospital** · enrollment: 40 (estimated)

## Conditions studied

- Hyperpigmentation; Postinflammatory

## Interventions

- **DRUG:** Topical Cysteamine
- **DRUG:** Topical Vehicle Control

## Key facts

- **NCT ID:** NCT05206318
- **Lead sponsor:** Chang Gung Memorial Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-12-10
- **Primary completion:** 2022-06-10
- **Final completion:** 2022-12-10
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2022-01-25

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05206318

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05206318, "Efficacy and Safety of Topical Cysteamine for Postinflammatory Hyperpigmentation". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05206318. Licensed CC0.

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