| Title: | Bowman-Birk Inhibitor Concentrate in Preventing Cancer in Patients With Oral Leukoplakia ![]() |
| Status: | Recruiting participants |
| Conditions: | Head and Neck Cancer; Precancerous Condition |
| Interventions: | Dietary Supplement: Bowman-Birk inhibitor concentrate; Other: placebo |
| Institutions: | Dana-Farber Cancer Institute |
| Health Topics: | Head and Neck Cancer |