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Sodium glucose cotransporter2 inhibitors for type 1 diabetes mellitus: A meta-analysis of randomized controlled
Juanli Nan1, Dekai Wang1, Ruxian Zhong1
1Department of General Practice, The First Affiliated Hospital of Kunming Medical University, Kunming 650031, China.
Aims:
Sodium glucose cotransporter2 (SGLT2) inhibitors are controversial in the treatment of type 1 diabetes mellitus (T1DM). This study is a systematic evaluation of the safety of SGLT2 inhibitors usage in T1DM.
Methods:
Comprehensive literature search in six databases from inception to September 2022. Randomized controlled trials (RCTs) of T1DM treated with SGLT2 inhibitor vs. placebo were included. Data were extracted from the literature that met the inclusion criteria. After quality evaluation by the Cochrane risk bias assessment tool, meta-analysis was performed using Revman 5.4 and Stata 17.1.
Results:
The study consisted of 16 RCTs with 7192 patients. The results indicated that SGLT2inhibitors reduce glycated hemoglobin (HbA1c, Mean difference (MD)- 0.29%, P < 0.05), fasting plasma glucose (FPG, MD-0.85 mmol/L, P < 0.05), mean amplitude of glucose excursions (MAGE, 15.75 mg/dL, P < 0.05), body weight (MD-3.49 kg, P < 0.05), and total insulin dosage (MD-7.14 IU/day, P < 0.05). Furthermore, cautious SGLT2 inhibitors did not induce the risk of hypoglycemia (RR1.00, P = 0.86), urinary tract infections (RR1.02, P = 0.085), and diarrhea (RR1.34, P = 0.523).
Conclusion:
Based on this meta-analysis, SGLT22 inhibitors reduce insulin dosage without increasing the risk of hypoglycemia and diabetic ketoacidosis for type 1 diabetes mellitus in 1month.
Insights
Sodium glucose cotransporter2 (SGLT2) inhibitors effectively reduce insulin dosage and improve glycemic control in type 1 diabetes mellitus (T1DM). This analysis confirms their safety, showing no increased risk of hypoglycemia or diabetic ketoacidosis.
Area of Science:
- Endocrinology
- Metabolic Diseases
- Pharmacology
Background:
- Sodium glucose cotransporter2 (SGLT2) inhibitors are under investigation for type 1 diabetes mellitus (T1DM) treatment, with ongoing debate regarding their safety and efficacy.
- This systematic evaluation addresses the controversial use of SGLT2 inhibitors in T1DM by analyzing existing randomized controlled trials (RCTs).
Approach:
- A comprehensive literature search was conducted across six databases up to September 2022 to identify relevant RCTs.
- 16 RCTs involving 7192 patients were included, with data extracted and analyzed using Cochrane risk bias assessment, Revman 5.4, and Stata 17.1.
Key Points:
- SGLT2 inhibitors significantly reduced HbA1c, fasting plasma glucose, mean amplitude of glucose excursions, body weight, and total insulin dosage.
- Crucially, SGLT2 inhibitors did not increase the risk of hypoglycemia, urinary tract infections, or diarrhea.
- The observed benefits were achieved without compromising patient safety in the context of T1DM management.
Conclusions:
- This meta-analysis demonstrates that SGLT2 inhibitors can reduce insulin requirements in T1DM patients.
- The findings support the cautious use of SGLT2 inhibitors in T1DM, as they do not appear to elevate risks of hypoglycemia or diabetic ketoacidosis within a one-month period.
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