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Impact of sodium-glucose cotransporter 2 (SGLT2) inhibitors on hematologic malignancy risk: Insights from Japanese
Takehiro Kawashiri1, Naru Yamamoto2, Masaki Fujiwara3
1Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.
Background:
Hematologic malignancies, including leukemias and lymphomas, remain life-threatening diseases for which preventive strategies have not yet been established. Recent studies have suggested that sodium-glucose cotransporter 2 (SGLT2) inhibitors have cancer-suppressive properties. This study investigated whether SGLT2 inhibitors are associated with reduced risk of hematologic malignancies in patients with diabetes, using a large-scale medical database.
Methods:
Data of patients with diabetes prescribed diabetes medications were extracted from the JMDC Payer database (January 2005 to November 2023). After exclusions, patients were categorized into SGLT2 inhibitor (n = 158 877) and non-SGLT2 inhibitor (n = 118 678) groups. Propensity score matching, accounting for patient characteristics, resulted in 102 478 matched patients per group. The primary endpoint was time to hematologic malignancy; secondary endpoints were time to lymphoma, leukemia, and their subcategories.
Results:
The incidence of hematologic malignancies was lower in the SGLT2 inhibitor group than in the non-SGLT2 inhibitor group (P < .001, hazard ratio [HR] = 0.73, 95% CI = 0.62 to 0.86, risk difference at 5 years (RD) = -0.16%). Lymphoma incidence was also lower in the SGLT2 inhibitor group (P = .003, HR = 0.71, 95% CI = 0.57 to 0.89, RD = -0.12%), whereas no clear evidence of difference was observed for leukemia (P = .06, HR = 0.76, 95% CI = 0.57 to 1.01, RD = -0.02%). Lymphocytic leukemia was associated with lower incidence compared to the non-SGLT2 inhibitor group (P = .04, HR = 0.44, 95% CI = 0.19 to 0.99, RD = -0.02%), whereas no clear evidence of difference was observed for myeloid leukemia (P = .12, HR = 0.76, 95% CI = 0.54 to 1.08, RD = -0.01%). Regarding acute myeloid leukemia (AML), the incidence was low in the SGLT2 inhibitor group (P = .001, HR = 0.34, 95% CI = 0.19 to 0.62, RD = -0.05%).
Conclusion:
SGLT2 inhibitor use may be associated with lower risk of hematologic malignancies in adults with diabetes.
Insights
Sodium-glucose cotransporter 2 (SGLT2) inhibitors may reduce the risk of hematologic malignancies in patients with diabetes. This large-scale study found a lower incidence of these cancers in SGLT2 inhibitor users.
Area of Science:
- Oncology
- Endocrinology
- Pharmacology
Background:
- Hematologic malignancies pose significant health risks with no established preventive strategies.
- Emerging research suggests sodium-glucose cotransporter 2 (SGLT2) inhibitors possess cancer-suppressive qualities.
- This study explores the potential of SGLT2 inhibitors in preventing hematologic cancers among diabetic patients.
Purpose of the Study:
- To investigate the association between SGLT2 inhibitor use and the risk of developing hematologic malignancies.
- To analyze the impact of SGLT2 inhibitors on specific hematologic cancers, including lymphoma and leukemia.
- To leverage a large-scale patient database for robust epidemiological analysis.
Main Methods:
- Utilized the JMDC Payer database (2005-2023) for patients with diabetes.
- Categorized patients into SGLT2 inhibitor (158,877) and non-SGLT2 inhibitor (118,678) groups.
- Employed propensity score matching to create comparable cohorts (102,478 per group) and analyzed time to malignancy endpoints.
Main Results:
- SGLT2 inhibitor use was linked to a significantly lower incidence of overall hematologic malignancies (HR=0.73).
- A reduced risk was observed for lymphoma (HR=0.71) and lymphocytic leukemia (HR=0.44) in the SGLT2 inhibitor group.
- While leukemia risk showed no clear difference, acute myeloid leukemia (AML) incidence was notably lower (HR=0.34).
Conclusions:
- SGLT2 inhibitor therapy may be associated with a decreased risk of hematologic malignancies in diabetic adults.
- The findings suggest a potential role for SGLT2 inhibitors in cancer prevention strategies.
- Further research is warranted to confirm these associations and elucidate underlying mechanisms.
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