Testing effectiveness (Phase 2)Study completedNCT02007200
What this trial is testing
Soy Isoflavones in Preventing Head and Neck Cancer Recurrence in Patients With Stage I-IV Head and Neck Cancer Undergoing Surgery
Who this might be right for
Recurrent Hypopharyngeal Squamous Cell CarcinomaRecurrent Laryngeal Squamous Cell CarcinomaRecurrent Laryngeal Verrucous Carcinoma+28 more
National Cancer Institute (NCI) 55