Comparison of Retinol 1.0% and Tretinoin 0.02% in the Treatment of Moderate to Severe Photodamage and Wrinkles
Public ClinicalTrials.gov record NCT01283464. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Double-blinded, Single-center, Parallel-arm Comparison Study of Retinol 1.0% and Tretinoin 0.02% in the Treatment of Moderate to Severe Photodamage
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to assess the comparative efficacy of retinol 1.0% and tretinoin 0.02% in minimizing wrinkles, discoloration, roughness, and other signs of moderate to severe photodamage. Our hypothesis is that both products will be of comparable benefit.
Study identification
- NCT ID
- NCT01283464
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 24 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 35 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
- Oct 31, 2010
- Primary completion
- Nov 30, 2011
- Completion
- Nov 30, 2011
- Last update posted
- Apr 3, 2016
2010 – 2011
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Johns Hopkins Dept. of Dermatology | Baltimore | Maryland | 21231 | — |
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 NCT01283464, 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 Apr 3, 2016 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01283464 live on ClinicalTrials.gov.