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Metformin: On Ongoing Journey across Diabetes, Cancer Therapy and Prevention
Claudio Pulito1, Toran Sanli2, Punam Rana3
1Molecular Chemoprevention Group, Molecular Medicine Area, Regina Elena National Institute, Rome 00144, Italy. c.pulito@ifo.it.
Abstract:
Cancer metabolism is the focus of intense research, which witnesses its key role in human tumors. Diabetic patients treated with metformin exhibit a reduced incidence of cancer and cancer-related mortality. This highlights the possibility that the tackling of metabolic alterations might also hold promising value for treating cancer patients. Here, we review the emerging role of metformin as a paradigmatic example of an old drug used worldwide to treat patients with type II diabetes which to date is gaining strong in vitro and in vivo anticancer activities to be included in clinical trials. Metformin is also becoming the focus of intense basic and clinical research on chemoprevention, thus suggesting that metabolic alteration is an early lesion along cancer transformation. Metabolic reprogramming might be a very efficient prevention strategy with a profound impact on public health worldwide.
Insights
Metformin, a diabetes drug, shows significant anticancer effects, suggesting metabolic reprogramming could prevent cancer. This research highlights its potential in cancer treatment and prevention strategies.
Area of Science:
- Oncology
- Metabolic Research
- Pharmacology
Background:
- Cancer metabolism is crucial in tumor development.
- Metformin use in diabetic patients correlates with reduced cancer incidence and mortality.
- Metabolic alterations are increasingly recognized as early events in cancer transformation.
Purpose of the Study:
- To review the emerging role of metformin in cancer treatment.
- To explore metformin's potential in cancer chemoprevention.
- To highlight metabolic reprogramming as a public health strategy.
Main Methods:
- Review of existing in vitro and in vivo studies on metformin's anticancer activities.
- Analysis of clinical trial data involving metformin for cancer.
- Examination of research on metformin's role in cancer chemoprevention.
Main Results:
- Metformin demonstrates significant in vitro and in vivo anticancer activities.
- Metformin is progressing into clinical trials for cancer treatment.
- Metformin is a key focus in chemoprevention research, indicating metabolic alterations are early cancer lesions.
Conclusions:
- Metabolic reprogramming is a promising strategy for cancer prevention.
- Metformin serves as a prime example of repurposing existing drugs for cancer therapy.
- Targeting metabolic alterations holds significant potential for public health impact in cancer control.
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