Role-Playing–Based Physician Training and Metabolic Outcomes Among Patients With Type 2 Diabetes: A Cluster Randomized Clinical Trial
Primary result · HbA1c <7.0%Result — go to the resultAdjusted between-group difference 16.6% 95% CI 7.2%–25.7%Authors' conclusion
In this cluster randomized clinical trial of role-playing-based intensive training for physicians managing type 2 diabetes, the intervention significantly improved patient glycemic control.
Study context
- Population
- Patients with T2D treated by physicians from qualified diabetes centers across China; patients mean age 53.0 years, 35.3% women; 205 physicians randomised (103 vs 102)205 physicians
- Participants
- 2,017 patients
- Comparison
- Role-playing-based intensive physician training vs regular training
- Intensive trainingn = 1,009
- Regular trainingn = 1,008reference
- Primary endpoint
- Proportion of patients achieving hemoglobin A1c (HbA1c) <7.0%
- Follow-up
- 6 months
Methodological detailsopen-label, 2-arm parallel, cluster randomized, 205 centers in China, Enrollment February 13 to September 19, 2023; 12-month follow-up completed October 25, 2024
- Open-label
- 2-arm parallel
- Cluster randomized
- 205 centers in China
- Enrollment February 13 to September 19, 2023; 12-month follow-up completed October 25, 2024
Primary result
HbA1c <7.0%
Adjusted between-group difference
16.6%
95% CI 7.2%–25.7%
P < 0.001
Events by treatment group
Intensive trainingvs Regular training
adjusted between-group difference 16.6% (95% CI 7.2%–25.7%); P < 0.001
As reported in the abstract
Further findings
| Outcome | Intensive training | Regular training | Adjusted between-group difference (95% CI) | P value | |
|---|---|---|---|---|---|
| HbA1c <7.0% · 12 months | 60.9% | 44.6% | 17.0% (7.0%–26.8%) | P < 0.001 | |
| Reduction in BMI | −0.3 (−0.5 to −0.1) | ||||
| −2002040Difference (linear scale) |
| Outcome | Adjusted between-group difference (cm) (95% CI) | |
|---|---|---|
| Reduction in waist circumference | −1.4 (−2.1 to −0.8) | |
| −3−2−101Difference, cm (linear scale) |
| Outcome | Adjusted between-group difference (mg/dL) (95% CI) | |
|---|---|---|
| Reduction in fasting glucose | −6.3 (−10.7 to −1.9) | |
| −15−10−505Difference, mg/dL (linear scale) |
| Outcome | Adjusted between-group difference (mm Hg) (95% CI) | |
|---|---|---|
| Reduction in systolic blood pressure | −1.5 (−2.9 to −0.1) | |
| −4−202Difference, mm Hg (linear scale) |
Safety
Serious adverse events
Serious adverse events
- Serious adverse events were comparable between groups
Original publication
Role-Playing–Based Physician Training and Metabolic Outcomes Among Patients With Type 2 Diabetes: A Cluster Randomized Clinical Trial. JAMA Netw Open. Published 3 August 2026. doi:10.
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