Status:
COMPLETED
Physicians' Health Study II
Lead Sponsor:
Brigham and Women's Hospital
Collaborating Sponsors:
National Cancer Institute (NCI)
Conditions:
Cancer
Prostate Cancer
Eligibility:
MALE
50+ years
Phase:
NA
Brief Summary
The use of vitamin E, vitamin C, beta carotene, and/or multivitamins may keep cancer, cardiovascular disease, eye diseases, or cognitive decline from occurring. This randomized clinical trial studied ...
Detailed Description
OBJECTIVES: Primary * To determine whether vitamin E every other day reduces the risk of developing prostate cancer in older healthy male physicians. * To determine whether daily vitamin C and/or a ...
Eligibility Criteria
Inclusion
- INCLUSION CRITERIA
- DISEASE CHARACTERISTICS:
- Healthy male physicians practicing in the United States
- Prior participation in the Physicians' Health Study I allowed
- PATIENT CHARACTERISTICS:
- Aged 50 years and over
- No history of serious illness that would preclude study participation
- No history of significant adverse events (e.g., rash or allergic reaction) attributed to study agents
- PRIOR CONCURRENT THERAPY:
- No other concurrent vitamin and/or multivitamin supplementation
- No concurrent vitamin K-depleting anticoagulants (e.g., warfarin)
Exclusion
Key Trial Info
Start Date :
July 1 1997
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 1 2011
Estimated Enrollment :
14641 Patients enrolled
Trial Details
Trial ID
NCT00270647
Start Date
July 1 1997
End Date
June 1 2011
Last Update
February 28 2018
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