THE LONGEVITY DOCTOR™
Octavian M. Belcea, MD
METFORMIN
Select Clinical Studies since 2001
“As a physician, I want to see science-backed clinical trials. Human trials such as these give me confidence that metformin is safe and effective for most patients.”
– Dr. Belcea
WEIGHT
-
Metformin and body weight. article
-
Metformin: Mechanisms in Human Obesity and Weight Loss. article
-
Beneficial effects of metformin in normoglycemic morbidly obese adolescents. article
-
Metformin and carbohydrate-modified diet: a novel obesity treatment protocol: preliminary findings from a case series of nondiabetic women with midlife weight gain and hyperinsulinemia. article
-
Modulation of hunger by plasma glucose and metformin. article
-
Randomized, controlled trial of metformin for obesity and insulin resistance in children and adolescents: improvement in body composition and fasting insulin. article
-
Metformin treatment for four years to reduce total and visceral fat in low birth weight girls with precocious pubarche. article
-
Addition of metformin to a lifestyle modification program in adolescents with insulin resistance. article
-
Long-term safety, tolerability, and weight loss associated with metformin in the Diabetes Prevention Program Outcomes Study. article
-
Effectiveness of metformin on weight loss in non-diabetic individuals with obesity. article
-
Metformin for Obesity in Prepubertal and Pubertal Children: A Randomized Controlled Trial. article
-
The magnitude of weight loss induced by metformin is independently associated with BMI at baseline in newly diagnosed type 2 diabetes: Post-hoc analysis from data of a phase IV open-labeled trial. article
-
The Effect of Eighteen-Month Metformin Treatment in Obese Adolescents: Comparison of Results Obtained in Daily Practice with Results from a Clinical Trial. article
-
Long-term treatment with metformin in obese, insulin-resistant adolescents: results of a randomized double-blinded placebo-controlled trial. article
-
Effect of metformin vs placebo on and metabolic factors in NCIC CTG MA.32. article
-
Metformin for overweight women at midlife: a double-blind, randomized, controlled trial. article
-
Metformin treatment to reduce central adiposity after prenatal growth restraint: a placebo-controlled pilot study in prepubertal children. article
-
Efficacy of metformin in abdominal obesity. article
-
Metformin in obese children and adolescents: the MOCA trial. article
-
Effects of metformin on body weight and body composition in obese insulin-resistant children: a randomized clinical trial. article
-
Metformin extended release treatment of adolescent obesity: a 48-week randomized, double-blind, placebo-controlled trial with 48-week follow-up. article
-
Pubertal metformin therapy to reduce total, visceral, and hepatic adiposity. article
-
Effect of metformin on weight gain during antihypertensive treatment with a beta-blocker in Chinese patients. article
-
Metformin in combination with structured lifestyle intervention improved body mass index in obese adolescents, but did not improve insulin resistance. article
-
An RCT of metformin versus orlistat for the management of obese anovulatory women. article
-
The role of gut microbiota in obesity, diabetes mellitus, and effect of metformin: new insights into old diseases. article
-
Metformin in the Management of Childhood Obesity: A Randomized Control Trial. article
​
CANCER
-
The effect of metformin use on hypopharyngeal squamous cell carcinoma in diabetes mellitus patients. article
-
Metformin Prolongs Survival in Type 2 Diabetes Lung Cancer Patients With EGFR-TKIs. article
-
Metformin influences drug sensitivity in pancreatic cancer cells. article
-
Metformin exerts multitarget antileukemia activity in JAK2V617F-positive myeloproliferative neoplasms. article
-
Survival impact and toxicity of metformin in head and neck cancer: An analysis of the SEER-Medicare dataset. article
-
Metformin inhibits metastatic breast cancer progression and improves chemosensitivity by inducing vessel normalization via PDGF-B downregulation. article
-
Metformin Enhances Nomegestrol Acetate Suppressing Growth of Endometrial Cancer Cells and May Correlate to Downregulating mTOR Activity In Vitro and In Vivo. article
-
Meta-Analysis of Microarray Expression Studies on Metformin in Cancer Cell Lines. article
-
Metformin and Colorectal Cancer - A Systematic Review. article
-
The association between metformin therapy and risk of gynecological cancer in patients: Two meta-analyses. article
-
Metformin exposure and survival in head and neck cancer: A large population-based cohort study. article
-
Efficacy of oral metformin in a patient with metastatic adrenocortical carcinoma: Examination of mechanisms and therapeutic implications. article
-
Metformin Prevents Peritoneal Dissemination via Immune-suppressive Cells in the Tumor Microenvironment. article
-
Metformin and reduced risk of cancer in diabetic patients. article
-
Anti-cancer activity of metformin: new perspectives for an old drug. article
-
Metformin and Cancer Risk and Mortality: A Systematic Review and Meta-Analysis taking into account Biases and Confounders. article
-
Metformin inhibits metastatic breast cancer progression and improves chemosensitivity by inducing vessel normalization via PDGF-B downregulation. article
-
Metformin for chemoprevention of metachronous colorectal adenoma or polyps in post-polypectomy patients without diabetes: a multicentre double-blind, placebo-controlled, randomised phase 3 trial. article
-
Metformin effects on head and neck squamous carcinoma microenvironment: Window of opportunity trial. article
-
Phase 2 Trial of Metformin Combined With 5-Fluorouracil in Patients With Refractory Metastatic Colorectal Cancer. article
-
Phase I dose escalation study of temsirolimus in combination with metformin in patients with advanced/refractory cancers. article
-
Measuring the biological effect of presurgical metformin treatment in endometrial cancer. article
-
Effect of Metformin on Breast Ductal Carcinoma In Situ Proliferation in a Randomized Presurgical Trial. article
-
Anti-diabetic doses of metformin decrease proliferation markers in tumors of patients with endometrial cancer. article
-
Effects of metformin on endometrial cancer cell growth in vivo: a preoperative prospective trial. article
-
Effect of metformin addition to an acute lymphoblastic leukemia chemotherapy treatment. article
-
Presurgical trial of metformin in overweight and obese patients with newly diagnosed breast cancer. article
-
Metformin in early breast cancer: a prospective window of opportunity neoadjuvant study. article
-
A phase I study of temsirolimus and metformin in advanced solid tumours. article
-
Metformin suppresses colorectal aberrant crypt foci in a short-term clinical trial. article
-
Effect of metformin on the survival of patients with ALL who express high levels of the ABCB1 drug resistance gene. article
-
SPHK1 Is a Novel Target of Metformin in Ovarian Cancer. article
-
Association of metformin use with ovarian cancer incidence and prognosis: a systematic review and meta-analysis. article
-
The therapeutic potential of metformin in gastric cancer. article
​
HEART
-
Association between Metformin Use and Coronary Artery Calcification in Type 2 Diabetic Patients. article
-
Metformin prescription status and abdominal aortic aneurysm disease progression in the U.S. veteran population. article
-
Metformin regulates metabolic and nonmetabolic pathways in skeletal muscle and subcutaneous adipose tissues of older adults. article
-
Metformin in patients with and without diabetes: a paradigm shift in cardiovascular disease management. article
-
Metformin improves endothelial function in patients with metabolic syndrome. article
-
Metformin improves endothelial vascular reactivity in first-degree relatives of type 2 diabetic patients with metabolic syndrome and normal glucose tolerance. article
-
Effects of metformin on microvascular function and exercise tolerance in women with angina and normal coronary arteries: a randomized, double-blind, placebo-controlled study. article
-
Lowering the threshold for defining microalbuminuria: effects of a lifestyle-metformin intervention in obese “normoalbuminuric” non-diabetic subjects. article
-
Metformin, arterial function, intima-media thickness and nitroxidation in metabolic syndrome: the mefisto study. article
-
Metformin and parameters of physical health. article
-
A randomized controlled trial of metformin on left ventricular hypertrophy in patients with coronary artery disease without diabetes: the MET-REMODEL trial. article
-
Cardioprotection by Metformin: Beneficial Effects Beyond Glucose Reduction. article
-
Lifestyle and metformin treatment favorably influence lipoprotein subfraction distribution in the Diabetes Prevention Program. article
-
Effect of intensive lifestyle modification & metformin on cardiovascular risk in prediabetes: A pilot randomized control trial. article
-
Effect of Long-Term Metformin and Lifestyle in the Diabetes Prevention Program and Its Outcome Study on Coronary Artery Calcium. article
-
Effect of Metformin on Metabolites and Relation With Myocardial Infarct Size and Left Ventricular Ejection Fraction After Myocardial Infarction. article
-
Protective effect of metformin on myocardial injury in metabolic syndrome patients following percutaneous coronary intervention. article
-
Short-term metabolic and cardiovascular effects of metformin in markedly obese adolescents with normal glucose tolerance. article
-
Effects of 1-year treatment with metformin on metabolic and cardiovascular risk factors in non-diabetic upper-body obese subjects with mild glucose anomalies: a post-hoc analysis of the BIGPRO1 trial. article
​
LIVER
-
Metformin in the treatment of patients with non-alcoholic steatohepatitis. article
-
A phase 2 clinical trial of metformin as a treatment for non-diabetic paediatric non-alcoholic steatohepatitis. article
-
Liver dysfunction in paediatric obesity: a randomized, controlled trial of metformin. article
-
Metformin is effective in achieving biochemical response in patients with nonalcoholic fatty liver disease (NAFLD) not responding to lifestyle interventions. article
-
Treatment options for nonalcoholic fatty liver disease: a double-blinded randomized placebo-controlled trial. article
-
Does metformin treatment influence bone formation in patients with nonalcoholic fatty liver disease? article
-
Metformin superior to low-fat diet for the treatment of patients with nonalcoholic fatty liver disease and/or steatohepatitis. article
-
Clinical trial: pilot study of metformin for the treatment of non-alcoholic steatohepatitis. article
-
Metformin versus dietary treatment in nonalcoholic hepatic steatosis: a randomized study. article
-
Treatment of non-alcoholic fatty liver disease with metformin versus lifestyle intervention in insulin-resistant adolescents. article
​
INFLAMMATION
-
​Metformin, A New Era for an Old Drug in the Treatment of Immune Mediated Disease?article
-
Metformin improves salivary gland inflammation and hypofunction in murine Sjögren’s syndrome. article
-
Advances on the anti-inflammatory and protective effect of AMPK activators. article
-
Effect of metformin combined with lifestyle modification versus lifestyle modification alone on proinflammatory-oxidative status in drug-naïve pre-diabetic and diabetic patients: A randomized controlled study. article
-
Anti-Inflammatory Effects of Metformin Irrespective of Diabetes Status. article
-
Metformin ameliorates the proinflammatory state in patients with carotid artery atherosclerosis through sirtuin 1 induction. article
-
Metformin and Inflammation: Its Potential Beyond Glucose-lowering Effect. article
-
The effects of metformin on inflammatory mediators in obese adolescents with insulin resistance: controlled randomized clinical trial. article
-
Metformin inhibits the proliferation of rheumatoid arthritis fibroblast-like synoviocytes through IGF-IR/PI3K/AKT/m-TOR pathway. article
​
MEMORY
-
Long-Term Metformin Usage and Cognitive Function among Older Adults with Diabetes. article
-
Metformin in Amnestic Mild Cognitive Impairment: results of a pilot randomized placebo controlled clinical trial. article
-
Effects of the Insulin Sensitizer Metformin in Alzheimer Disease: Pilot Data From a Randomized Placebo-controlled Crossover Study. article
-
Neuro-Protective Role of Metformin in Patients with Acute Stroke and Type 2 Diabetes Mellitus via AMPK/Mammalian Target of Rapamycin (mTOR) Signaling Pathway and Oxidative Stress. article
​
THYROID
-
The mechanism of aspirin combined with metformin induced apoptosis of thyroid cancer TPC-1 cells. article
-
Metformin Decreases Thyroid Volume and Nodule Size in Subjects with Insulin Resistance: A Preliminary Study. article
-
Metformin treatment for small benign thyroid nodules in patients with insulin resistance. article
​
FERTILITY
-
l-Carnitine plus metformin in clomiphene-resistant obese PCOS women, reproductive and metabolic effects: a randomized clinical trial. article
-
Does metformin induce ovulation in normoandrogenic anovulatory women? article
-
Relationship between abnormal glucose tolerance test and history of previous recurrent miscarriages, and beneficial effect of metformin in these patients: a prospective clinical study. article
-
Effect of metformin therapy and dietary supplements on semen parameters in hyperinsulinaemic males. article
-
Metformin improves semen characteristics of oligo-terato-asthenozoospermic men with metabolic syndrome. article
​
SEX
-
Sexual Functioning and Depressive Symptoms in Women with Diabetes and Prediabetes Receiving Metformin Therapy: A Pilot Study. article
-
Addition of metformin to sildenafil treatment for erectile dysfunction in eugonadal nondiabetic men with insulin resistance. A prospective, randomized, double-blind pilot study. article
-
Effects of metformin and short-term lifestyle modification on the improvement of male hypogonadism associated with metabolic syndrome. article
​
AGING
-
Metformin alleviates human cellular aging by upregulating the endoplasmic reticulum glutathione peroxidase 7. article
-
Metformin as a Tool to Target Aging. article
-
Significantly altered peripheral blood cell DNA methylation profile as a result of immediate effect of metformin use in healthy individuals. article
-
Metformin improves putative longevity effectors in peripheral mononuclear cells from subjects with prediabetes. A randomized controlled trial. article
-
Can people with type 2 diabetes live longer than those without? A comparison of mortality in people initiated with metformin or sulphonylurea monotherapy and matched, non-diabetic controls. article
-
Reversal of epigenetic aging and immunosenescent trends in humans. article
​
EXERCISE
-
Impact of metformin on peak aerobic capacity. article
-
Metformin improves performance in high-intensity exercise, but not anaerobic capacity in healthy male subjects. article
-
Effect of Metformin on Handgrip Strength, Gait Speed, Myostatin Serum Level, and Health-related Quality of Life: A Double Blind Randomized Controlled Trial among Non-diabetic Pre-frail Elderly Patients. article
​
MOUTH
-
Efficacy of 1% Metformin Gel in Patients With Moderate and Severe Chronic Periodontitis: A Randomized Controlled Clinical Trial. article
-
Efficacy of varying concentrations of subgingivally delivered metformin in the treatment of chronic periodontitis: a randomized controlled clinical trial. article
​
FEMALE
-
Metformin Enhances Nomegestrol Acetate Suppressing Growth of Endometrial Cancer Cells and May Correlate to Downregulating mTOR Activity In Vitro and In Vivo. article​
-
The association between metformin therapy and risk of gynecological cancer in patients: Two meta-analyses. article
-
A comparison between the effects of metformin and megestrol on simple endometrial hyperplasia. article
-
Antiproliferative effect of metformin on the endometrium--a clinical trial. article
-
The evaluation of the effect of metformin on breast fibrocystic disease. article
​
EYES
-
The Common Antidiabetic Drug Metformin Reduces Odds of Developing Age-Related Macular Degeneration. article
​
ADRENALS
-
Metformin Increases Cortisol Regeneration by 11βHSD1 in Obese Men With and Without Type 2 Diabetes Mellitus. article
​
KIDNEYS
-
Renoprotective Effects of Metformin. article
​
LUNGS
-
Metformin induces lipogenic differentiation in myofibroblasts to reverse lung fibrosis. article
​
GUT
-
Metformin and gut microbiota: their interactions and their impact on diabetes. article
​