Last updated on September 2018

Cancer Chemoprevention by Metformin Hydrochloride Compared to Placebo in Oral Potentially Malignant Lesions


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Oral Neoplasm
  • Age: Between 20 - 60 Years
  • Gender: Male or Female

Inclusion Criteria:

  • Both genders with age range from 20 to 70 years.
  • Patients able to return for the follow up visits and can perform oral hygiene measures.
  • Clinically diagnosed and histologically confirmed as having oral potentially malignant lesions.
  • Patients agreed to sign a written consent after understanding the nature of the study
  • Patients have diagnosed oral premalignant lesion/lesions and not yet turned into malignancy (atrophic lichen planus- leukoplakia-erythroplakia - oral submucous fibrosis)

Exclusion Criteria:

  • - Diabetic patients (Diabetes Mellitus Type I & II)
  • Patients have cardiovascular, lung, Renal, Liver diseases
  • Patients on H2 blocker & proton pump inhibitors therapy as Ranitidine (affects metformin absorption and clearance)
  • Those with allergy or sensitivity to Metformin or Retinoids therapy or having any contraindication for their use.
  • Systemic and/or local systemic drug therapy within the last 3 months prior to the start of the study
  • Patients on steroidal or Non-steroidal anti-inflammatory drugs (NSAIDs) for at least the last 6 months
  • Patients on Antibiotics treatment for at least the last 2 months
  • Patients on Retinoid, green tea supplements or another natural products therapy
  • Patients with already diagnosed malignant lesion/lesions
  • Pregnant or Lactating females
  • Vulnerable groups as prisoners, mentally disabled, etc

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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