Status:

COMPLETED

Efficacy and Safety of Adjuvant Metformin for Operable Breast Cancer Patients

Lead Sponsor:

Seoul National University Hospital

Conditions:

Breast Cancer

Eligibility:

FEMALE

20+ years

Phase:

PHASE2

Brief Summary

The investigators hypothesize that adjuvant metformin use in breast cancer patients with overweight or pre-diabetes mellitus (DM) may improve their body condition including weight loss. In this study...

Eligibility Criteria

Inclusion

  • Operable Breast cancer patients with BMI ≥ 23 or 100 ≤ FBS \< 126
  • From 6 month to 2 years since breast cancer operation and at least 4 weeks since chemotherapy or radiotherapy
  • No drug use except Tamoxifen
  • Normal OTPT \& Serum creatinine (\<=ULN)
  • ECOG performance status 0-2 or Karnofsky PS 60-100%
  • Life expectancy \> 12
  • Absolute neutrophil count ≥ 1.5 x 10\^9/L
  • Platelets ≥ 100 x 10\^9/L
  • Pregnancy(-) \& without plan for pregnancy
  • Sign a written informed consent form

Exclusion

  • Type I or II DM or concurrent use of DM control agents
  • Prior use of Metformin
  • Hypoglycemia (FBS\< 70 with clinical symptom)
  • Concurrent investigational or commercial agents
  • Other diet or drug intervention for weight loss
  • Concurrent use of steroid
  • Abnormal liver and/or renal function
  • Symptomatic congestive heart failure / Cardiac arrhythmia / Angina pectoris
  • Ongoing or active infection
  • lactic acidosis
  • Pregnancy or ongoing breast feeding
  • Anorexia, bulimia, nausea due to other disease for longer than 1 month
  • Allergies or allergic reactions attributed to oral medications
  • Inability to swallow or digest oral medications
  • Physical or psychiatric illness that would limit compliance with study protocol
  • Participants in other clinical trial

Key Trial Info

Start Date :

June 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2011

Estimated Enrollment :

105 Patients enrolled

Trial Details

Trial ID

NCT00909506

Start Date

June 1 2009

End Date

December 1 2011

Last Update

July 29 2015

Active Locations (1)

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Seoul National University Hospital

Seoul, South Korea, 110-744