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Randomized Controlled Trial
. 2019 Nov;34(11):2652-2659.
doi: 10.1007/s11606-019-05238-6. Epub 2019 Aug 30.

Effectiveness of Shared Decision-making for Diabetes Prevention: 12-Month Results from the Prediabetes Informed Decision and Education (PRIDE) Trial

Tannaz Moin  1   2 , O Kenrik Duru  3 , Norman Turk  3 , Janet S Chon  3 , Dominick L Frosch  4 , Jacqueline M Martin  3 , Kia Skrine Jeffers  3 , Yelba Castellon-Lopez  3 , Chi-Hong Tseng  3 , Keith Norris  3 , Carol M Mangione  3   5
Affiliations
Randomized Controlled Trial

Effectiveness of Shared Decision-making for Diabetes Prevention: 12-Month Results from the Prediabetes Informed Decision and Education (PRIDE) Trial

Tannaz Moin et al. J Gen Intern Med. 2019 Nov.

Abstract

Importance: Intensive lifestyle change (e.g., the Diabetes Prevention Program) and metformin reduce type 2 diabetes risk among patients with prediabetes. However, real-world uptake remains low. Shared decision-making (SDM) may increase awareness and help patients select and follow through with informed options for diabetes prevention that are aligned with their preferences.

Objective: To test the effectiveness of a prediabetes SDM intervention.

Design: Cluster randomized controlled trial.

Setting: Twenty primary care clinics within a large regional health system.

Participants: Overweight/obese adults with prediabetes (BMI ≥ 24 kg/m2 and HbA1c 5.7-6.4%) were enrolled from 10 SDM intervention clinics. Propensity score matching was used to identify control patients from 10 usual care clinics.

Intervention: Intervention clinic patients were invited to participate in a face-to-face SDM visit with a pharmacist who used a decision aid (DA) to describe prediabetes and four possible options for diabetes prevention: DPP, DPP ± metformin, metformin only, or usual care.

Main outcomes and measures: Primary endpoint was uptake of DPP (≥ 9 sessions), metformin, or both strategies at 4 months. Secondary endpoint was weight change (lbs.) at 12 months.

Results: Uptake of DPP and/or metformin was higher among SDM participants (n = 351) than controls receiving usual care (n = 1028; 38% vs. 2%, p < .001). At 12-month follow-up, adjusted weight loss (lbs.) was greater among SDM participants than controls (- 5.3 vs. - 0.2, p < .001).

Limitations: Absence of DPP supplier participation data for matched patients in usual care clinics.

Conclusions and relevance: A prediabetes SDM intervention led by pharmacists increased patient engagement in evidence-based options for diabetes prevention and was associated with significantly greater uptake of DPP and/or metformin at 4 months and weight loss at 12 months. Prediabetes SDM may be a promising approach to enhance prevention efforts among patients at increased risk.

Trial registration: This study was registered at clinicaltrails.gov (NCT02384109)).

Keywords: diabetes mellitus; shared decision-making.

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Conflict of interest statement

Dr. Duru is on the Healthwise scientific board. None of the other authors disclosed any potential conflicts of interest.

Figures

Figure 1
Figure 1
Consort flow for intervention clinics.
See this image and copyright information in PMC

Comment in

References

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