Status:

TERMINATED

Metformin in Castration-Resistant Prostate Cancer

Lead Sponsor:

Massachusetts General Hospital

Collaborating Sponsors:

Dana-Farber Cancer Institute

Brigham and Women's Hospital

Conditions:

Prostate Cancer

Eligibility:

MALE

Phase:

PHASE2

Brief Summary

Metformin is a medication that is prescribed for people with diabetes to help the body respond better to its own insulin and decrease sugar production by the liver. This helps control the body's blood...

Detailed Description

* Each treatment cycle lasts 4 weeks (28 days). Participants will take metformin twice a day for all 28 days (except for the first 7 days of the first cycle when they will take it just once daily.) * ...

Eligibility Criteria

Inclusion

  • Histologically or cytologically confirmed adenocarcinoma of the prostate
  • History of bilateral orchiectomies or ongoing treatment with a GnRH agonist for GnRH antagonist
  • Disease progression according to PSA Working Group 2
  • Minimum starting PSA (Prostate Specific Antigen) level of 2.0 ng/mL
  • Eastern Cooperative Oncology Group (ECOG) Performance Status 0 or 1

Exclusion

  • Symptomatic metastases
  • Receiving any other agents for the treatment of prostate cancer except gonadotropin releasing hormone (GnRH) agonist or antagonist within the last 30 days
  • Received any investigational cancer treatment agents within the last 30 days
  • Prior treatment with docetaxel
  • History of diabetes requiring drug therapy
  • Current treatment with metformin or metformin treatment within the last year
  • History of allergic reaction to metformin
  • Have uncontrolled intercurrent illness including, but not limited to ongoing or unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
  • Serum creatinine 1.5mg/dL or greater
  • Hepatic impairment
  • Need for ongoing treatment with cimetidine
  • History of a different malignancy except for the following circumstances: Individuals with a history of other malignancies are eligible of they have been disease-free for at least 5 years and are deemed by the investigator to be at low risk for recurrence of that malignancy. Individuals with the following cancers are eligible if diagnosed and treated within the past 5 years: basal cell or squamous cell carcinoma of the skin

Key Trial Info

Start Date :

September 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 1 2015

Estimated Enrollment :

21 Patients enrolled

Trial Details

Trial ID

NCT01215032

Start Date

September 1 2010

End Date

January 1 2015

Last Update

May 15 2017

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Massachusetts General Hospital

Boston, Massachusetts, United States, 02114

2

Beth Israel Deaconess Medical Center

Boston, Massachusetts, United States, 02115

3

Dana-Farber Cancer Institute

Boston, Massachusetts, United States, 02115