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BMC Primary Care
Published in: BMC Primary Care 1/2019

Open Access 01-12-2019 | Type 2 Diabetes | Research article

Patient-centered communication and shared decision making to reduce HbA1c levels of patients with poorly controlled type 2 diabetes mellitus - results of the cluster-randomized controlled DEBATE trial

Authors: Anja Wollny, Attila Altiner, Anne Daubmann, Eva Drewelow, Christian Helbig, Susanne Löscher, Michael Pentzek, Sara Santos, Karl Wegscheider, Stefan Wilm, Christin Löffler

Published in: BMC Primary Care | Issue 1/2019

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Abstract

Background

Does an intervention designed to foster patient-centered communication and shared decision making among GPs and their patients with poorly controlled type 2 diabetes mellitus reduce the level of HbA1c.

Methods

The DEBATE trial is a cluster-randomized controlled trial conducted in German primary care and including patients with type 2 diabetes mellitus having an HbA1c level of 8.0% (64 mmol/mol) or above at the time of recruitment. Data was measured before intervention (baseline, T0), 6–8 months (T1), 12–14 months (T2), 18–20 months (T3), and 24–26 months (T4) after baseline. Main outcome measure is the level of HbA1c.

Results

In both, the intervention and the control group the decline of the HbA1c level from T0 to T4 was statistically significant (− 0.67% (95% CI: − 0.80,-0.54%; p < 0.0001) and − 0.64% (95% CI: − 0.78, − 0.51%; p < 0.0001), respectively). However, there was no statistically significant difference between both groups.

Conclusions

Although the DEBATE trial was not able to confirm effectiveness of the intervention tested compared to care as usual, the results suggest that patients with poorly controlled type 2 diabetes are able to improve their blood glucose levels. This finding may encourage physicians to stay on task to regularly approach this cohort of patients.

Trial registration

The trial was registered at ISRCTN registry under the reference ISRCTN70713571.
Appendix
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Metadata
Title
Patient-centered communication and shared decision making to reduce HbA1c levels of patients with poorly controlled type 2 diabetes mellitus - results of the cluster-randomized controlled DEBATE trial
Authors
Anja Wollny
Attila Altiner
Anne Daubmann
Eva Drewelow
Christian Helbig
Susanne Löscher
Michael Pentzek
Sara Santos
Karl Wegscheider
Stefan Wilm
Christin Löffler
Publication date
01-12-2019
Publisher
BioMed Central
Published in
BMC Primary Care / Issue 1/2019
Electronic ISSN: 2731-4553
DOI
https://doi.org/10.1186/s12875-019-0977-9

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