# Comparison Between 5-aminolevulinic Acid Photodynamic Therapy Versus Cryotherapy for Actinic Keratosis Treatment

> **NCT01459393** · PHASE3 · COMPLETED · sponsor: **Barretos Cancer Hospital** · enrollment: 137 (actual)

## Conditions studied

- Actinic Keratosis

## Interventions

- **DRUG:** 5-ALA Photodynamic Therapy
- **DRUG:** Cryotherapy with liquid nitrogen

## Key facts

- **NCT ID:** NCT01459393
- **Lead sponsor:** Barretos Cancer Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-11
- **Primary completion:** 2011-11
- **Final completion:** 2011-11
- **Target enrollment:** 137 (ACTUAL)
- **Last updated:** 2017-06-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01459393

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01459393, "Comparison Between 5-aminolevulinic Acid Photodynamic Therapy Versus Cryotherapy for Actinic Keratosis Treatment". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01459393. Licensed CC0.

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