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Completed Phase 3 Interventional Results available

Adapalene Gel 0.3% Versus Tretinoin 0.05% Emollient Cream for Treatment of Photodamage

ClinicalTrials.gov ID: NCT00647556

Public ClinicalTrials.gov record NCT00647556. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:18 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Comparative Study of Adapalene Gel 0.3% Versus Tretinoin 0.05% Emollient Cream, for the Treatment of Photodamage

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary purpose of this study is to compare the efficacy of adapalene (Differin®) gel 0.3% and tretinoin 0.05% emollient cream for the treatment of signs of photodamage, with tolerability assessment as a secondary objective.

Study identification

NCT ID
NCT00647556
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Galderma R&D
Industry
Enrollment
30 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 2008 (Type not available)
Primary completion
Jan 2010 (Actual)
Completion
Jan 2010 (Actual)
Last update posted
Aug 1, 2022

2008 – 2010

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Michigan Department of Dermatology Ann Arbor Michigan 48109 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00647556, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 1, 2022 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00647556 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →