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Dapagliflozin plus pioglitazone reduces HbA1c by 0.49% and improves liver fat content in T2DMCombination Therapy Shows Promise for Diabetes and Liver Health

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Key Takeaway
Consider dapagliflozin plus pioglitazone to improve HbA1c and liver fat content in adults with T2DM and MASLD.

This systematic review and meta-analysis evaluated the efficacy of dapagliflozin plus pioglitazone compared to standard care or monotherapy in adults with type 2 diabetes (T2DM), including those with metabolic dysfunction-associated steatotic liver disease (MASLD). The analysis included a sample size of 1411 patients.

The meta-analysis found that the combination therapy resulted in a reduction in HbA1c by 0.49% (95% CI -0.64 to -0.34) and fasting blood glucose by 11.96 mg/dL (95% CI -16.30 to -7.62). Post-prandial glucose was reduced by 21.54 mg/dL (95% CI -30.84 to -12.24). Regarding hepatic markers, liver fat content decreased by 0.42 (95% CI -0.61 to -0.22) and the NAFLD activity score (NAS) decreased by 0.39 (95% CI -0.56 to -0.22). Additionally, steatohepatitis resolution rates were higher with a risk ratio of 1.48 (95% CI 1.13-1.92).

The authors note that the evidence for glycemic and steatosis outcomes is of moderate certainty, while histological endpoints have low certainty. A primary limitation noted is the predominance of surrogate hepatic endpoints and limited biopsy-confirmed data. Clinical application should be tempered by these limitations regarding definitive histological changes.

How this fits prior evidence

This finding extends the understanding of the T2DM and MASLD continuum described in previous coverage, which links these conditions via shared pathophysiology. While other treatments like orforglipron, tirzepatide, cagrilintide-semaglutide, and oral GLP-1RAs have shown significant HbA1c reductions, this meta-analysis specifically highlights the dual benefit of dapliflozin plus pioglitazone for both glycemic control and non-invasive markers of hepatic steatosis in patients with T2DM.

Researchers analyzed data from over 1,400 adults with type 2 diabetes to see how a specific drug combination affected their health. The study looked at patients who had or did not have fatty liver disease. They compared the use of dapagliflozin and pioglitazone together against standard care or using only one medication.

The results showed that the combined treatment helped lower HbA1c levels, fasting blood glucose, and post-meal glucose. Additionally, patients taking both medications saw a reduction in liver fat content and improved scores for liver activity. The study also noted higher rates of steatohepatitis resolution among those on the combination therapy.

While the results are promising, it is important to note that much of the liver data comes from non-invasive markers rather than direct tissue samples. Because the evidence relies on these indirect measures, the findings should be viewed with caution. This research shows a link between the medication combination and improved health markers, but more biopsy-confirmed data is needed to fully understand its impact on liver tissue.

What this means for you:
Combining dapagliflozin and pioglitazone may improve blood sugar and liver fat in people with type 2 diabetes.

Common questions

What did the study find regarding blood sugar?

The study found that the combination of dapagliflozin and pioglitazone led to a reduction in HbA1c levels by 0.49%. It also showed significant decreases in fasting blood glucose by 11.96 mg/dL and post-prandial glucose by 21.54 mg/dL compared to other treatments.

How does this treatment affect liver health?

The combination therapy was associated with a reduction in liver fat content and a lower NAFLD activity score. The study also reported higher rates of steatohepatitis resolution, which is a positive sign for those with fatty liver disease.

Is this treatment safe for people with type 2 diabetes?

The researchers reported a favorable safety profile for the dapagliflozin and pioglitazone combination. However, because much of the liver data relies on non-invasive markers rather than biopsies, these results should be interpreted with caution by your doctor.

Study Details

Study typeMeta analysis
EvidenceLevel 1
PublishedJul 2026
View Original Abstract ↓
To evaluate the efficacy and safety of dapagliflozin plus pioglitazone versus comparators on metabolic control and hepatic steatosis in adults with type 2 diabetes mellitus (T2DM), with or without metabolic dysfunction-associated steatotic liver disease (MASLD). We conducted a systematic review and meta-analysis of randomized and observational studies in PubMed, Embase, Cochrane Central, Scopus, Web of Science with a search updated through January 2026, following peer review. Eligible studies enrolled adults with T2DM with or without MASLD, receiving dapagliflozin plus pioglitazone in comparison with standard care or monotherapy, or as pooled-arm exploratory estimates. The primary outcome was glycemic control (HbA1c and fasting and postprandial glucose levels). Secondary outcomes included body weight, insulin resistance indices, related liver outcomes (liver fat content, NAFLD activity score [NAS], and steatohepatitis resolution), liver enzymes, non-invasive fibrosis indices, lipid parameters, and safety outcomes. Thirteen studies (n = 1411) met the inclusion criteria. Dapagliflozin–pioglitazone significantly improved glycemic control, with a reduction in HbA1c (mean difference −0.49%; 95% CI −0.64 to −0.34), and Fasting Blood Glucose (−11.96 mg/dL; 95% CI −16.30 to −7.62) and Post-Prandial Glucose (−21.54 mg/dL; 95% CI −30.84 to −12.24). Hepatic outcomes also improved, with reductions in liver fat content (standardized mean difference −0.42; 95% CI −0.61 to −0.22) and NAS (standardized mean difference −0.39; 95% CI −0.56 to −0.22), and higher rates of steatohepatitis resolution (risk ratio 1.48; 95% CI 1.13–1.92). Certainty of evidence was moderate for glycemic and steatosis outcomes and low for histological endpoints. Dapagliflozin–pioglitazone combination therapy was associated with improvements in glycemic control and non-invasive markers of hepatic steatosis in adults with T2DM, with or without MASLD, while maintaining a favorable safety profile. Certainty of evidence was moderate for metabolic and steatosis outcomes and low for histological endpoints. Given the predominance of surrogate hepatic endpoints and limited biopsy-confirmed data, these findings should be interpreted with appropriate caution. https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=1117019, identifier CRD420251117019.
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