Determine the Efficacy of Topical Tretinoin Cream for the Prevention of Nonmelanoma Skin Cancer
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Martin A. Weinstock, MD
VA Medical Center, Providence
Study Chair
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
7 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Carl T. Hayden Va Medical Center
Phoenix, Arizona, United States
- Va Medical Center, Long Beach
Long Beach, California, United States
- Va Medical Center, Miami
Miami, Florida, United States
- Edward Hines, Jr. Va Hospital
Hines, Illinois, United States
- Va Medical Center, Durham
Durham, North Carolina, United States
- Va Medical Center, Oklahoma City
Oklahoma City, Oklahoma, United States
- Va Medical Center, Providence
Providence, Rhode Island, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 31 Mar 1998
- Primary completion
- 30 Nov 2004
- Completion
- 31 Jul 2006
- Last update posted
- 30 Jan 2009
- Registered enrollment
- 1,131
- Registry id
- NCT00007631
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.