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Isotretinoin, Interferon Alfa, and Vitamin E in Treating Patients With Stage III or Stage IV Head and Neck Cancer

This study has been completed.
Sponsor:
Collaborator:
National Cancer Institute (NCI)
Information provided by:
National Cancer Institute (NCI)
ClinicalTrials.gov Identifier:
NCT00054561
First received: February 5, 2003
Last updated: February 6, 2009
Last verified: May 2004
No Study Results Posted on ClinicalTrials.gov for this Study
  Study Status: This study has been completed.
  Study Completion Date: No date given
  Primary Completion Date: December 2004 (Final data collection date for primary outcome measure)