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Background <p>The close interplay between metabolic dysfunction-associated steatotic liver disease (MASLD) and type 2 diabetes supports the need to identify beneficial combination therapies of antidiabetic medications targeted for the treatment of MASLD. This study aimed to investigate the complementary effects of combination therapy with pioglitazone (PIO) and empagliflozin (EMPA) on MASLD in individuals with type 2 diabetes.</p> Methods <p>In a randomized, open-label trial, 50 participants with type 2 diabetes and MASLD were assigned 1:1:1 to receive PIO 15&#xa0;mg, EMPA 10&#xa0;mg, or a combination (PIO 15&#xa0;mg plus EMPA 10&#xa0;mg) daily for 24&#xa0;weeks. Liver fat fraction and stiffness were evaluated using magnetic resonance imaging-proton density fat fraction (MRI-PDFF) and magnetic resonance elastography (MRE), respectively.</p> Results <p>Combination therapy resulted in the largest reduction in liver fat and stiffness among treatment groups. Participants experiencing a relative reduction ≥ 30% or an absolute reduction ≥ 5% in liver fat were the most prevalent in the combination group (100.0% vs. 57.1% in PIO and 87.5% in EMPA, <i>p</i> = 0.010). In addition, the combination group showed the highest proportion of individuals with a relative reduction ≥ 30% in liver fat and ≥ 20% in liver stiffness than the monotherapy groups (50.0% vs. 21.4% in PIO and 6.3% in EMPA, <i>p</i> = 0.029). Combination therapy did not induce the changes in subcutaneous fat deposition observed in the monotherapy groups, but it did show the most substantial reduction in visceral fat, concurrently showing the largest increase in adiponectin level across the three groups (<i>p</i> = 0.036).</p> Conclusions <p>Combination therapy of PIO with EMPA showed synergistic benefits for MASLD in individuals with type 2 diabetes, compensating for the inadequate or unfavorable effects of monotherapies; ClincialTrials.gov number, NCT03646292.</p> Trial registration <p>The trial was registered at ClinicalTrials.gov (registration number: NCT03646292).</p>

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Synergistic benefit of thiazolidinedione and sodium-glucose cotransporter 2 inhibitor for metabolic dysfunction-associated steatotic liver disease in type 2 diabetes: a 24-week, open-label, randomized controlled trial

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  • 发表日期：

    2025年5月7日

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  • Minyoung Lee,
  • Sukchul Hong,
  • Yongin Cho,
  • Hyungjin Rhee,
  • Min Heui Yu,
  • Jaehyun Bae,
  • Yong-ho Lee,
  • Byung-Wan Lee,
  • Eun Seok Kang,
  • Bong-Soo Cha

摘要

Background

The close interplay between metabolic dysfunction-associated steatotic liver disease (MASLD) and type 2 diabetes supports the need to identify beneficial combination therapies of antidiabetic medications targeted for the treatment of MASLD. This study aimed to investigate the complementary effects of combination therapy with pioglitazone (PIO) and empagliflozin (EMPA) on MASLD in individuals with type 2 diabetes.

Methods

In a randomized, open-label trial, 50 participants with type 2 diabetes and MASLD were assigned 1:1:1 to receive PIO 15 mg, EMPA 10 mg, or a combination (PIO 15 mg plus EMPA 10 mg) daily for 24 weeks. Liver fat fraction and stiffness were evaluated using magnetic resonance imaging-proton density fat fraction (MRI-PDFF) and magnetic resonance elastography (MRE), respectively.

Results

Combination therapy resulted in the largest reduction in liver fat and stiffness among treatment groups. Participants experiencing a relative reduction ≥ 30% or an absolute reduction ≥ 5% in liver fat were the most prevalent in the combination group (100.0% vs. 57.1% in PIO and 87.5% in EMPA, p = 0.010). In addition, the combination group showed the highest proportion of individuals with a relative reduction ≥ 30% in liver fat and ≥ 20% in liver stiffness than the monotherapy groups (50.0% vs. 21.4% in PIO and 6.3% in EMPA, p = 0.029). Combination therapy did not induce the changes in subcutaneous fat deposition observed in the monotherapy groups, but it did show the most substantial reduction in visceral fat, concurrently showing the largest increase in adiponectin level across the three groups (p = 0.036).

Conclusions

Combination therapy of PIO with EMPA showed synergistic benefits for MASLD in individuals with type 2 diabetes, compensating for the inadequate or unfavorable effects of monotherapies; ClincialTrials.gov number, NCT03646292.

Trial registration

The trial was registered at ClinicalTrials.gov (registration number: NCT03646292).