Conditions:  Erythroplakia;  Leukoplakia;  Oral Cavity Carcinoma;  Proliferative Verrucous Leukoplakia
Interventions: Â Drug:Â Metformin; Â Procedure:Â Biopsy
Sponsors:  Thomas Jefferson University;  National Cancer Institute (NCI)
**RECRUITING NOW**
Interventions: Â Drug:Â Metformin; Â Procedure:Â Biopsy
Sponsors:  Thomas Jefferson University;  National Cancer Institute (NCI)
**RECRUITING NOW**
Source: View full study details on ClinicalTrials.gov
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