Última actualización 9 de septiembre de 2026
Key finding
The primary outcome is the proportion of participants who lose ≥5% body weight at 12 months.
The GRAND study evaluated the impact of shared decision making on diabetes prevention among participants with gestational diabetes. Results indicated unclear effectiveness in achieving weight loss and other outcomes.
Quick read
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Long-Term (1–5 y)
Risk of bias
Some Concerns
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Plain-language summary
A plain-language read of the study’s main message and where it applies.
Study focus
The GRAND study evaluated the impact of shared decision making on diabetes prevention among participants with gestational diabetes. Results indicated unclear effectiveness in achieving weight loss and other outcomes.
Understanding the effectiveness of shared decision making in diabetes prevention is crucial for developing strategies that can help individuals at risk. If proven effective, such interventions could significantly reduce the incidence of type 2 diabetes in populations with a history of gestational diabetes, ultimately improving health outcomes and reducing healthcare costs.
Unclear effectiveness of interventions due to lack of specific effect sizes. Limited generalizability due to the specific population studied. Potential unmeasured confounders affecting outcomes.
Published in
Publication details and source links for this paper.
Ruth M, Amanda V, Felicia C, et al. Gestational diabetes Risk Attenuation for New Diabetes (GRAND) study: A pragmatic randomized controlled trial of shared decision making for diabetes prevention. Contemporary clinical trials. 2023;124:107007-107007. doi:10.1016/j.cct.2022.107007
Proportion of participants achieving ≥5% weight loss at 12 months: unclear effectiveness.
Proportion of participants achieving ≥5% weight loss at 24 months: unclear effectiveness.
Uptake of DPP lifestyle program or metformin: unclear effectiveness.
Patient activation and health-related quality of life: unclear effectiveness.
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Telephone-based pharmacist behavioral intervention and Annual follow-up screening for progression to T2DM, Health-related quality of life, Patient Activation, and 3 more.
This study contributes evidence to
Primary intervention
Telephone-based pharmacist behavioral intervention
Primary outcomes
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
3
Related topics
6
Evidence pairs
610
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Contributes evidence
Evidence topic
Contributes evidence
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Contributes evidence
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Core evidence
The primary outcomes reported in this study.
Telephone-based pharmacist behavioral intervention → Annual follow-up screening for progression to T2DM
Telephone-based pharmacist behavioral intervention → Annual follow-up screening for progression to T2DM
Telephone-based pharmacist behavioral intervention → Health-related quality of life
Telephone-based pharmacist behavioral intervention → Health-related quality of life
Telephone-based pharmacist behavioral intervention → Patient Activation
Telephone-based pharmacist behavioral intervention → Patient Activation
Telephone-based pharmacist behavioral intervention → Rates of GDM in a subsequent pregnancy
Telephone-based pharmacist behavioral intervention → Rates of GDM in a subsequent pregnancy
Telephone-based pharmacist behavioral intervention → Uptake of DPP lifestyle program or metformin
Telephone-based pharmacist behavioral intervention → Uptake of DPP lifestyle program or metformin
Telephone-based pharmacist behavioral intervention → Weight loss at 6 months
Telephone-based pharmacist behavioral intervention → Weight loss at 6 months
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Diabetes Self-Management Education and Support (DSMES) Programs and Annual follow-up screening for progression to T2DM, Diabetes Self-Management Education and Support (DSMES) Programs and Quality of Life Outcomes.
This study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Behavioral & Lifestyle
Behavioral & Lifestyle
Curated evidence collections and hubs this study is part of.
All studies measuring Annual follow-up screening for progression to T2DM
Measures Annual follow-up screening for progression to T2DM as a key outcome.
All studies on Diabetes Self-Management Education and Support (DSMES) Programs
Contributes to Diabetes Self-Management Education and Support (DSMES) Programs evidence base.
All studies measuring Quality of Life Outcomes
Measures Quality of Life Outcomes as a key outcome.
All studies measuring Weight Loss Outcomes
Measures Weight Loss Outcomes as a key outcome.
Jump to pre-filtered views in Evidence Explorer.
1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Diabetes Self-Management Education and Support (DSMES) Programs appear to improve quality of life outcomes.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
Health-related quality of life
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on 14 supporting studies with generally consistent results and a positive effect signal.
Diabetes Self-Management Education and Support (DSMES) Programs may affect weight loss outcomes.
ConsistencyScore™: Results are mixed and should be interpreted cautiously.
Ranked evidence signals
Weight loss at 6 months
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is cautious because the available studies report mixed findings.
Limitations
Telephone-based pharmacist behavioral intervention appears to improve annual follow-up screening for progression to t2dm.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Annual follow-up screening for progression to T2DM
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Telephone-based pharmacist behavioral intervention appears to improve patient activation.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Patient Activation
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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