Status:
COMPLETED
Correlation Between Skin Carotenoid Levels and Previous History of Skin Cancer
Lead Sponsor:
Massachusetts General Hospital
Collaborating Sponsors:
Nu Skin Enterprises
Conditions:
Skin Cancer
Basal Cell Carcinoma
Eligibility:
All Genders
50-75 years
Brief Summary
The purpose of this study is to determine the difference of skin carotenoid levels between subjects with previous squamous cell carcinomas (SCC), subjects with previous basal cell carcinomas (BCC) and...
Detailed Description
There has been experimental and clinical research evaluating association of different carotenoids and incidence of malignancies, including Non- Melanoma Skin Cancer (NMSC). An easy and inexpensive way...
Eligibility Criteria
Inclusion
- Subjects between 50 and 75 years old without history of previous SCC or BCC.
- Fitzpatrick skin types I-IV.
- Willing and able to understand and sign informed consent.
- Able to complete study and comply with study procedures
Exclusion
- Regular ingestion of supplements containing carotenoids or vitamin A in the past 4 weeks.
- Use of topical retinoids in the past 4 weeks.
- Treatment with systemic retinoids in the past 6 months.
- Dermatologic conditions that require the use of interfering topical or systemic therapy or that might interfere with study assessments such as, but not limited to, palmar psoriasis, hand dermatitis or palmo-plantar keratoderma.
- Previous history of psoriasis.
- Clinically significant abnormal findings or conditions, which might, in the opinion of the Principal Investigator, interfere with study evaluations or pose a risk to subject safety during the study.
- Subjects who are known to be pregnant or planning a pregnancy.
Key Trial Info
Start Date :
February 1 2009
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
January 1 2012
Estimated Enrollment :
81 Patients enrolled
Trial Details
Trial ID
NCT00836342
Start Date
February 1 2009
End Date
January 1 2012
Last Update
July 25 2012
Active Locations (1)
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1
Clinical Unit for Research Trials in Skin - MGH
Boston, Massachusetts, United States, 02114