- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00672321
Answering Questions About Vitamin D Supplementation and Sun Exposure in Patients Who Have Undergone Surgery for Stage IB, Stage II, or Stage IIIA Melanoma
Melanoma Lifestyle Study
RATIONALE: Gathering information about vitamin D supplementation and sun exposure in patients with melanoma may help doctors learn more about the disease and find what may affect cancer relapse.
PURPOSE: This clinical trial is studying vitamin D supplementation and sun exposure in patients who have undergone surgery for stage IB, stage II, or stage IIIA melanoma.
Study Overview
Status
Conditions
Detailed Description
OBJECTIVES:
- To examine the findings of the pilot study, that vitamin D supplementation in combination with vitamin D receptor (VDR) polymorphisms protects from late relapse (after 3 years) in patients who have had melanoma.
- To investigate the effects of vitamin D supplement dosage in reducing the risk of late relapse.
- To examine if vitamin D supplementation in combination with particular VDR polymorphisms protects from early relapse (before 3 years).
- To examine if serum levels of vitamin D correlate with risk of relapse in groups of patients with different VDR polymorphisms.
- To examine the effect of vitamin supplementation and VDR status on time to relapse and survival in these patients.
- To examine other factors that may affect risk of relapse by assembling a tissue (genomic DNA and serum) resource.
- To investigate the effect of exposure to incidental drugs, such as statins, on risk of relapse in these patients.
OUTLINE: Patients are stratified according to disease relapse in the past 5 years (yes vs no).
Patients are asked to complete a food frequency questionnaire focusing on vitamin D and the following area: supplementation of diet with vitamins/fish oil and duration of use; sun exposure and sunscreen-use per decade prior to and after diagnosis. Patients are also asked to provide a blood sample for serum and DNA analysis. Consenting patients are also tagged with the Office of National Statistics to allow passive follow up.
Stored tissue from the patient's primary melanoma may be used to corroborate research findings using immunohistochemistry or studies of gene expression, polymorphism, or mutation.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
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England
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Leeds, England, United Kingdom, LS9 7TF
- Recruiting
- Leeds Cancer Centre at St. James's University Hospital
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Contact:
- Contact Person
- Phone Number: 44-113-206-6534
- Email: p.brunyee@leeds.ac.uk
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- ADULT
- OLDER_ADULT
- CHILD
Accepts Healthy Volunteers
Genders Eligible for Study
Description
DISEASE CHARACTERISTICS:
- Diagnosed with melanoma
Must meet either of the following conditions:
Resected stage IB, II, or IIIA disease that has relapsed as either stage III or IV disease (cases)
First loco regional and/or visceral relapse (with/without sentinel node biopsy)
- No more than 3 months since first relapse
- Resected stage IB, II, or IIIA disease that has not relapsed for ≥ 5 years (controls)
PATIENT CHARACTERISTICS:
- Not specified
PRIOR CONCURRENT THERAPY:
- See Disease Characteristics
Study Plan
How is the study designed?
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Odds ratio (OR) for vitamin D supplementation in relapse
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OR for vitamin D supplementation in patients with specific VDR genotypes
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Collaborators and Investigators
Investigators
- Principal Investigator: Julia Newton Bishop, MD, Leeds Cancer Centre at St. James's University Hospital
Study record dates
Study Major Dates
Study Start
Primary Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- LCC-MREC-07-H1010-66
- CDR0000587987 (REGISTRY: PDQ (Physician Data Query))
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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