Survivorship Promotion In Reducing IGF-1 Trial

Inclusion Criteria

• Women and men ages 18 or older
• Have been previously diagnosed with a malignant solid tumor, completed their required surgical, and/or chemotherapy and/or radiation curative intent therapy at least three months prior to enrollment, and have an anticipated treatment-free life span of 12 months or longer. Chemoprophylaxis with tamoxifen or aromatase inhibitors for breast cancer in women and anti- Luteinizing hormone-releasing hormone (LHRH) therapy for prostate cancer in men will be permitted.
• Have a BMI of 25 kg/m^2 or greater and weight =200 mg/dL, or fasting blood glucose >=126 and =7%
• Current or prior regular use of metformin within the past 3 months
• Uncontrolled concurrent medical condition likely to limit compliance with the study interventions
• Received any chemotherapy (unless anti-hormonal therapy) and/or radiation three months or less prior to the proposed intervention date
• Have a prior history of lactic acidosis by self-report
• Prior or planned bariatric surgery
• Have significant renal disease or dysfunction defined as Estimated glomerular filtration rate (eGFR) 14 alcoholic drink per week
• Currently enrolled or planned to enroll in weight loss program
• Hemoglobin <9 g/dl
• Platelet count <100
• White blood cell count (WBC) <2.5
• Plans to relocate from the area within one years
• Use of prescription weight loss medication(s) (e.g., lorcaserin, topiramate/phentermine, phentermine, liraglutide, and bupropion/naltrexone), including off label use of drugs for weight loss or over-the-counter weigh loss medications such as Orlistat within the past 6 months.