Comparison of Retinol 1.0% and Tretinoin 0.02% in the Treatment of Moderate to Severe Photodamage and Wrinkles

This study has been completed.
Information provided by:
Johns Hopkins University Identifier:
First received: January 24, 2011
Last updated: July 19, 2013
Last verified: January 2011
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.

Condition Intervention Phase
Photodamaged Skin
Drug: Retinol
Drug: Tretinoin
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
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

Resource links provided by NLM:

Further study details as provided by Johns Hopkins University:

Primary Outcome Measures:
  • Global Photodamage Severity [ Time Frame: Week 24 ] [ Designated as safety issue: No ]
    A photonumeric scale for the assessment of cutaneous photodamage (CE Griffiths, et al). Five photographic standards (en face and 45 degrees oblique) illustrating increasing severity of photodamage (min=0, max=8) where 0=no damamge; 2=mild damage; 4=moderate damage; 6=moderate/severe damage; and grade 8=severe damage.

Enrollment: 24
Study Start Date: November 2010
Study Completion Date: December 2011
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Retinol
Retinol 1.0% cream
Drug: Retinol
1.0% cream
Active Comparator: Tretinoin
Tretinoin 0.02% cream
Drug: Tretinoin
0.02% cream
Other Names:
  • Retin-A
  • Renova
  • Atralin
  • Aberela
  • Airol
  • Avita
  • Stieva-A


Ages Eligible for Study:   35 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Age 35 or over
  • Moderate to severe photodamage

Exclusion Criteria:

  • History of facial cosmetic surgery, facial resurfacing procedures, deep peels, or facial fillers
  • History of keloids or hypertrophic scars
  • Use of oral steroids or oral retinoids (such as Accutane) in past 6 months
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01283464

United States, Maryland
Johns Hopkins Dept. of Dermatology
Baltimore, Maryland, United States, 21231
Sponsors and Collaborators
Johns Hopkins University
  More Information

Additional Information:
No publications provided

Responsible Party: Anna Chien, M.D., Johns Hopkins University Dept. of Dermatology Identifier: NCT01283464     History of Changes
Other Study ID Numbers: SKM10-R-01 
Study First Received: January 24, 2011
Results First Received: April 12, 2013
Last Updated: July 19, 2013
Health Authority: United States: Food and Drug Administration
United States: Institutional Review Board

Keywords provided by Johns Hopkins University:

Additional relevant MeSH terms:
Retinol palmitate
Vitamin A
Anticarcinogenic Agents
Antineoplastic Agents
Dermatologic Agents
Growth Substances
Keratolytic Agents
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Physiological Effects of Drugs
Protective Agents
Therapeutic Uses
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