| Title: |
A deprescribing programme aimed to optimise blood glucose-lowering medication in older people with type 2 diabetes mellitus, the OMED2-study: the study protocol for a randomised controlled trial. |
| Authors: |
Andriessen, Charlotte1,2 (AUTHOR), Blom, Marieke T.1,2 (AUTHOR), van Hoek, Beryl A. C. E.1,2 (AUTHOR), de Boer, Anna W.3 (AUTHOR), Denig, Petra4 (AUTHOR), de Wit, G. Ardine5,6 (AUTHOR), Swart, Karin7 (AUTHOR), de Rooij-Peek, Angela8 (AUTHOR), van Marum, Rob J.9,10,11 (AUTHOR), Hugtenburg, Jacqueline G.12 (AUTHOR), Slottje, Pauline1,2 (AUTHOR), van Raalte, Daniël13 (AUTHOR), van Bloemendaal, Liselotte14 (AUTHOR), Herings, Ron7 (AUTHOR), Nijpels, Giel1,2 (AUTHOR), Vos, Rimke C.3 (AUTHOR), Elders, Petra J. M.1,2 (AUTHOR) p.elders@amsterdamumc.nl |
| Source: |
Trials. 7/25/2024, Vol. 25, p1-15. 15p. |
| Subject Terms: |
*TYPE 2 diabetes, *OLDER people, *DEPRESCRIBING, *INSULIN, *RANDOMIZED controlled trials, *GLYCOSYLATED hemoglobin, *OLDER patients |
| Geographic Terms: |
NETHERLANDS |
| Abstract: |
Background: Older patients with type 2 diabetes mellitus (T2D) have an increased risk of hypoglycaemic episodes when using sulphonylureas or insulin. In the Netherlands, guidelines exist for reducing glucose-lowering medication in older patients. However, evidence is lacking that a medication reduction in older patients can be safely pursued. Here, we will examine if promoting the deprescribing of insulin/sulphonylureas with a deprescribing programme (DPP) in general practice affects T2D-complications in older overtreated patients. Methods: We will perform a 1:1 cluster randomised controlled trial in 86 general practices in the Netherlands. The DPP will consist of education sessions with general practitioners and practice nurses about reducing glucose-lowering medication in older patients (≥ 70 years). Topics of the sessions include the necessity of deprescribing, tools to initiate deprescribing and strategies to discuss deprescribing with patients (shared decision making). The DPP further includes a support programme with practice visits. The study will employ a selection tool to identify possibly overtreated older patients from the electronic medical records of the general practitioner. Eligibility for enrolment in the study will be based on HbA1c targets indicated by the Dutch guidelines, which depend on age, diabetes duration, presence of frailty, and life expectancy. The control group will provide usual care. We aim to include 406 patients. The follow-up period will be 2 years. For the primary outcome, the effect of the DPP on T2D-complications will be assessed by counting the cumulative incidence of events related to under- and overtreatment in T2D as registered in the electronic medical records. We shall perform an intention-to-treat analysis and an analysis including only patients for whom deprescribing was initiated. The implementation of the DPP in general practice will be evaluated quantitatively and qualitatively using the Extended Normalisation Process Theory (ENPT) and the Reach, Efficacy – Adoption, Implementation and Maintenance (RE-AIM) model. Other secondary outcomes include quality of life, cognitive functioning, events related to overtreatment or undertreatment, biomarkers of health, amount of blood glucose-lowering medication prescriptions, and cost-effectiveness. Discussion: This study will provide insight into the safety and feasibility of a programme aimed at deprescribing sulphonylureas/insulin in older people with T2D who are treated in general practice. Trial registration: ISRCTN Registry, ISRCTN50008265, registered 09 March, 2023. [ABSTRACT FROM AUTHOR] |
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