Evidence mapPaperPMID 24248503Full record

SynthesisEndocrine2014

Baseline glycemic parameters predict the hemoglobin A1c response to DPP-4 inhibitors : meta-regression analysis of 78 randomized controlled trials with 20,053 patients.

Katherine Esposito, Paolo Chiodini, Annalisa Capuano, Maria Ida Maiorino, Giuseppe Bellastella, Dario Giugliano

Abstract readMeta-AnalysisReview
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In one paragraph

Synthesis in Endocrine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 4 pooled it
4.5field-weighted citation impact, top 4% of its field
1 · What the graph read from 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.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 4 syntheses or guidelines pooled it, 46 citations in OpenAlex.

  1. Pooled it
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  5. Trial
  6. Article
  7. Article
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  11. Article
  12. Slope of change in HbAEndocrinology, diabetes & metabolism · 2018
    Article
  13. Observational
  14. Review
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  20. Alogliptin benzoate for management of type 2 diabetes.Vascular health and risk management · 2015
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Katherine EspositoDepartment of Clinical and Experimental Medicine and Surgery, Second University of Naples, Naples, Italy, katherine.esposito@unina2.it.
Paolo Chiodini
Annalisa Capuano
Maria Ida Maiorino
Giuseppe Bellastella
Dario Giugliano
University of Campania "Luigi Vanvitelli" · ITUniversity of Naples Federico II · ITInstitute for Experimental Endocrinology and Oncology · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ability to predict which patients might benefit more of therapy might facilitate personalization of treatment. The aim of this study was to obtain information about clinical characteristics which might predict the HbA1c response to DPP-4 inhibitors. We conducted an electronic search without restriction for randomized controlled trials (RCTs) involving DPP-4 inhibitors (vildagliptin, sitagliptin, saxagliptin, linagliptin, and alogliptin). RCTs were included if they lasted at least 12 weeks, reported the effect of DPP-4 inhibitors on HbA1c level, and the number of patients in any arm was >30. We did a meta-regression analysis. Seventy-eight articles were eligible, with 79 arms and 20,503 patients. For all arms, the decrease of HbA1c was -0.74 % (95 % CI -0.80 to -0.67 %), with considerable heterogeneity (I (2) = 97 %, P < 0.0001): the greatest HbA1c decrease was seen at 52 weeks (8 arms, 3,338 patients, -0.88 %, 95 % CI -1.10 to -0.66 %). In univariate meta-regression analysis, baseline HbA1c explained 22 % of variance of the HbA1c response to treatment, while fasting glucose and type of DPP-4 inhibitor explained an additional 19 and 12 %, respectively; age, duration of treatment, previous therapy, and type of statistical analysis of RCTs were without influence. In the multivariate meta-regression model, baseline HbA1c, fasting glucose, and type of DPP-4 inhibitor explained 61 % of total variance. The HbA1c response to DPP-4 inhibitors can be modulated mainly by baseline HbA1c and fasting glucose levels: a greater absolute reduction of baseline HbA1c is seen in patients with higher baseline HbA1c and lower fasting glucose level.

Indexed as

AgedAged, 80 and overAgingBlood GlucoseDiabetes Mellitus, Type 2Dipeptidyl-Peptidase IV InhibitorsFemaleGlycated HemoglobinHumansHypoglycemic AgentsMaleMiddle AgedPredictive Value of TestsRandomized Controlled Trials as TopicTreatment OutcomeBlood GlucoseDipeptidyl-Peptidase IV InhibitorsGlycated HemoglobinHypoglycemic Agents

Identifiers

PMID24248503
OpenAlexW2222570539

What Socratic holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.