# Reduced Side-Effects of Photodynamic Therapy for the Treatment of Moderate to Severe Acne (i-PDT)

> **NCT01689935** · PHASE1 · COMPLETED · sponsor: **Massachusetts General Hospital** · enrollment: 35 (actual)

## Conditions studied

- Acne Vulgaris

## Interventions

- **DRUG:** 20 % Aminolevulinic Acid
- **DEVICE:** Red light only
- **DEVICE:** Blue light only

## Key facts

- **NCT ID:** NCT01689935
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-11-01
- **Primary completion:** 2013-09-01
- **Final completion:** 2014-12-01
- **Target enrollment:** 35 (ACTUAL)
- **Last updated:** 2025-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01689935

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01689935, "Reduced Side-Effects of Photodynamic Therapy for the Treatment of Moderate to Severe Acne (i-PDT)". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT01689935. Licensed CC0.

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