Broccoli Sprout Extract in Preventing Recurrence in Patients With Tobacco-Related Head and Neck Squamous Cell Cancer

Conditions:   HNSCC;   Head and Neck Cancer;   Head and Neck Squamous Cell Carcinoma;   Tobacco-Related Carcinoma;   Carcinoma in Situ;   Dysplasia;   Hyperplasia;   Premalignant Lesion
Intervention:   Drug: Avmacol®
Sponsors:   University of Arizona;   National Cancer Institute (NCI)
Not yet recruiting - verified June 2017

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