Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Phase II Trial of Preoperative Soy Isoflavone Supplementation and Molecular Markers in the Prevention of Head and Neck Squamous Carcinoma
Brief Summary: This phase II clinical trial studies how well soy isoflavones work in preventing head and neck cancer in patients with stage I-IV head and neck cancer undergoing surgery. Chemoprevention is the use of certain drugs to keep cancer from forming. The use of soy isoflavones may prevent head and neck cancer recurrence.