Trial reportDiabetes, obesity & metabolism2021
A randomized, placebo-controlled trial to assess the efficacy and safety of sitagliptin in Japanese patients with type 2 diabetes and inadequate glycaemic control on ipragliflozin.
Trial report in Diabetes, obesity & metabolism, 2021. The graph read 1 number from its abstract, feeding 1 cell of the map: it supports the treatment in 1. It is linked to trial NCT02577016 (A Phase III, Multicenter, Randomized, Placebo-Controlled, Parallel-Group, Double-Blind Trial to Assess the Safety and Efficacy of Addition of Sitagliptin in Japanese Patients With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic Control on Ipragliflozin Monotherapy in Addition to Diet and Exercise Therapy), which is not on this map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
After 24 weeks, the addition of sitagliptin provided significantly greater reduction in HbA1c compared to placebo (least squares [LS] mean difference -0.83% [95% confidence interval -1.05, -0.62]; P <0.001).
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Where it lands on the map
Rows are treatments, columns are outcomes. The coloured squares are the cells this paper feeds, coloured by the vote it casts there. Click one to jump to what this paper adds to it.
What it adds to each cell
For every cell the paper feeds: the belief in the claim with and without this paper, and this paper's estimate drawn against every other readable study in the cell. The ringed dot is this paper.
DPP-4 inhibitors×glycemic control
SupportsOpen on the map →What to test next →40 readable studies in this cell: 59 favour the treatment, 19 find no difference, 24 favour the comparator.
The trial behind it
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.
A Phase III, Multicenter, Randomized, Placebo-Controlled, Parallel-Group, Double-Blind Trial to Assess the Safety and Efficacy of Addition of Sitagliptin in Japanese Patients With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic Control on Ipragliflozin Monotherapy in Addition to Diet and Exercise Therapy
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 3 citations in OpenAlex.
- Gender Bias in Clinical Trials of Sodium-Glucose Cotransporter 2 Inhibitors for the Treatment of Type 2 Diabetes Mellitus: A Systematic Review.Journal of diabetes research · 2025Pooled it
- A randomized, placebo-controlled trial to assess the efficacy and safety of sitagliptin in Japanese patients with type 2 diabetes and inadequate glycaemic control on ipragliflozin.Diabetes, obesity & metabolism · 2021 · on this mapTrial
- The effect of incretin-based drugs on the riks of acute pancreatitis: a review.Journal of diabetes and metabolic disorders · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors at 5 institutions in 2 countries.
Funding
Abstract
The marked sentences are the ones the graph read a number from.
aimsTo investigate the efficacy, safety and tolerability of sitagliptin 50 mg once daily added to ipragliflozin 50 mg once daily monotherapy in Japanese patients with type 2 diabetes (T2D). MATERIALS AND
methodsJapanese patients with T2D and glycated haemoglobin (HbA1c) 7.0% to 10.0% while treated with ipragliflozin 50 mg once daily were randomized 1:1 to additional treatment with sitagliptin 50 mg once daily (N = 70) or matching placebo (N = 71) for 24 weeks. The primary efficacy endpoint was change in HbA1c at Week 24. Secondary efficacy endpoints were changes in 2-hour post-meal glucose (PMG), total PMG 0- to 2-hour area under the curve (AUC
resultsBaseline characteristics were similar in the two groups (mean age 55.5 years, mean baseline HbA1c 8.0%). After 24 weeks, the addition of sitagliptin provided significantly greater reduction in HbA1c compared to placebo (least squares [LS] mean difference -0.83% [95% confidence interval -1.05, -0.62]; P <0.001). Significant reductions were also observed in all secondary endpoints: LS mean differences from placebo in changes in 2-hour PMG, total PMG AUC
conclusionsIn Japanese patients with T2D, sitagliptin 50 mg once daily added to ipragliflozin 50 mg once daily monotherapy provided significant improvement in glycaemic control and was generally well tolerated. ClinicalTrials.gov: NCT02577016.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.