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Association of SGLT2 inhibitors with incident cancer
Yuta Suzuki1, Hidehiro Kaneko2, Akira Okada3
1The Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan; Center for Outcomes Research and Economic Evaluation for Health, National Institute of Public Health, Saitama, Japan.
Aim:
It remains unknown whether sodium-glucose cotransporter 2 inhibitors (SGLT2i) could be associated with incident cancer.
Methods:
We analyzed individuals having diabetes and newly prescribed SGLT2i or dipeptidyl peptidase 4 inhibitors (DPP4i) in a large-scale epidemiological database. The primary outcome was the incidence of cancer. A propensity score matching algorithm was employed to compare the subsequent development of cancer between the SGLT2i and DPP4i groups.
Results:
After 1:2 propensity score matching, 26,823 individuals (8,941 SGLT2i, 17,882 DPP4i) were analyzed. During the mean follow-up duration of 2.0 ± 1.6 years, 1,076 individuals developed cancer. SGLT2i administration was associated with a reduced risk of cancer (HR 0.80, 95 % CI 0.70-0.91). Particularly, SGLT2i administration was related to a lower risk of colorectal cancer (HR 0.71, 95 % CI 0.50-0.998). Our primary findings remained consistent across various sensitivity analyses, including overlap weighting analysis (HR 0.79, 95 % CI 0.66-0.94), inverse probability of treatment weighting 0.75 (95 % CI 0.65-0.86), and induction period settings 0.78 (95 % CI 0.65-0.93). The risk of developing cancer was comparable among individual SGLT2is (P-value of 0.1738).
Conclusion:
Our investigation using nationwide real-world data demonstrated the potential advantage of SGLT2i over DPP4i in reducing the development of cancer in individuals with diabetes.
Insights
Sodium-glucose cotransporter 2 inhibitors (SGLT2i) may reduce cancer risk in diabetic patients. This study found SGLT2i use was associated with a lower incidence of cancer compared to DPP4 inhibitors.
Area of Science:
- Cardiovascular Medicine
- Endocrinology
- Oncology
Background:
- The association between sodium-glucose cotransporter 2 inhibitors (SGLT2i) and cancer incidence is not well-established.
- Diabetes mellitus is a known risk factor for various cancers.
Purpose of the Study:
- To investigate the potential association between SGLT2 inhibitors and the risk of developing incident cancer in individuals with diabetes.
- To compare cancer incidence between patients newly prescribed SGLT2 inhibitors versus dipeptidyl peptidase 4 inhibitors.
Main Methods:
- A large-scale, nationwide epidemiological database was utilized for analysis.
- Propensity score matching was employed to create comparable cohorts of SGLT2i and DPP4i users.
- Cancer incidence was the primary outcome, with a mean follow-up of 2.0 years.
Main Results:
- SGLT2 inhibitor use was associated with a significantly reduced risk of overall cancer incidence (HR 0.80, 95% CI 0.70-0.91).
- A notable reduction in colorectal cancer risk was observed with SGLT2i administration (HR 0.71, 95% CI 0.50-0.998).
- Findings were robust across multiple sensitivity analyses, including overlap weighting and inverse probability of treatment weighting.
Conclusions:
- Real-world data suggest SGLT2 inhibitors may offer a protective effect against cancer development in patients with diabetes.
- SGLT2 inhibitors demonstrated a potential advantage over DPP4 inhibitors in reducing cancer risk.
- Further research is warranted to elucidate the mechanisms behind this observed association.
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