Beta-carotene and Alpha-tocopherol Chemoprevention of Second Primary Malignancies in Head and Neck Cancer Patients

NCT00169845 · clinicaltrials.gov ↗

PHASE3

Phase

COMPLETED

Status

540

Enrollment

OTHER

Sponsor class

Conditions

Neoplasms

Interventions

DIETARY_SUPPLEMENT: Alpha-Tocopherol and Beta-Carotene
DIETARY_SUPPLEMENT: Placebo

Sponsor

Laval University

Collaborators

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