Trial reportDiabetes, obesity & metabolism2022
Efficacy and safety of DBPR108 (prusogliptin) as an add-on to metformin therapy in patients with type 2 diabetes: A 24-week, multi-centre, randomized, double-blind, placebo-controlled, superiority, phase III clinical trial.
Trial report in Diabetes, obesity & metabolism, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Safety and efficacy of prusogliptin in type-2 diabetes mellitus: a systematic review and meta-analysis of randomized controlled trials.Irish journal of medical science · 2025Pooled it
- Efficacy and safety of DBPR108 (prusogliptin) as an add-on to metformin therapy in patients with type 2 diabetes: A 24-week, multi-centre, randomized, double-blind, placebo-controlled, superiority, phase III clinical trial.Diabetes, obesity & metabolism · 2022 · on this mapTrial
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Authors and funding
11 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimTo evaluate the efficacy and safety of DBPR108 (prusogliptin), a novel dipeptidyl peptidase-4 (DPP-4) inhibitor, as an add-on therapy in patients with type 2 diabetes (T2D) that is inadequately controlled with metformin. MATERIALS AND
methodsIn this 24-week, multi-centre, randomized, double-blind, placebo-controlled, superiority, phase III study, adult T2D patients with HbA1c levels ranging from 7.0% to 9.5% on stable metformin were enrolled and randomized (2:1) into the DBPR108 + metformin and placebo + metformin groups. The primary endpoint was the change from baseline in HbA1c at week 24 of DBPR108 versus placebo as an add-on therapy to metformin.
resultsAt week 24, the least-square mean (standard error) change from baseline in HbA1c was significantly greater in the DBPR108 group (-0.70% [0.09%]) than in the placebo group (-0.07% [0.11%]) (P < .001), with a treatment difference of -0.63% (95% confidence interval: -0.87%, -0.39%) on the full analysis set. A higher proportion of patients achieved an HbA1c of 6.5% or less (19.7% vs. 8.5%) and an HbA1c of 7.0% or less (50.0% vs. 21.1%) at week 24 in the DBPR108 + metformin group. Furthermore, add-on DBPR108 produced greater reductions from baseline in fasting plasma glucose and 2-hour postprandial plasma glucose without causing weight gain. The overall frequency of adverse events was similar between the two groups.
conclusionsDBPR108 as add-on therapy to metformin offered a significant improvement in glycaemic control, was superior to metformin monotherapy (placebo) and was safe and well-tolerated in patients with T2D that is inadequately controlled with metformin.
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