Diabetes
Glucose Buddy app associated with improved type 1 HbA1c in a trial
Open access · cc by · source: Europe PMC
Adults with poorly controlled type 1 diabetes using Glucose Buddy plus weekly educator texts lowered HbA1c versus usual care.
Study at a glance
- Design
- RCT — Glucose Buddy app plus weekly CDE text feedback vs usual care
- N
- N=72 · Adults with type 1 diabetes; outcomes to 9 months
- Population
- Adults with type 1 diabetes using a smartphone self-management app
- Outcome
- HbA1c change vs usual care
Structured fields used in claim comparison tables when every cited study has a complete layer.
Key findings
App plus feedback produced a significant HbA1c decrease versus usual care; usage frequency did not clearly mediate the HbA1c change.
Methodology
Two-arm RCT randomized 72 adults with type 1 diabetes to Glucose Buddy smartphone self-management plus weekly CDE text feedback versus usual care, with outcomes to 9 months.
Limitations
Whether app alone without CDE texts works, long-term durability beyond the trial, or QoL gains despite better glycemia.
How this study connects
Role on claims
Each row is a claim on a concept or method page where this paper supports, challenges, or qualifies the statement. Roles are hand-checked — not a model guess.
Gestational diabetes marks markedly higher later type 2 diabetes risk in linked records.
Among women with gestational diabetes in linked records, adjusted rates showed markedly higher later type 2 diabetes risk and elevated hypertension and ischemic heart disease risks versus comparison women.
Scope note — different question — type 1 app glycaemia trial, not GDM sequelae
Limits the claim's scope: a different population, assay, or outcome.
After type 2 diabetes, more low-risk lifestyle behaviours associate with fewer microvascular complications.
Among UK Biobank adults with established type 2 diabetes, more low-risk lifestyle behaviours at baseline were associated with lower subsequent microvascular complication rates (composite HR about 0.54 for 4–5 vs 0–1 behaviours).
Scope note — different population — type 1 app trial, not T2D lifestyle score
Limits the claim's scope: a different population, assay, or outcome.
A type 1 diabetes self-management app plus clinician feedback can lower HbA1c versus usual care.
In a type 1 diabetes trial, a self-management app plus clinician feedback was associated with a significant HbA1c decrease versus usual care; usage frequency did not clearly mediate the HbA1c change.
Evidence for the claim as stated.
Muscle mechanism studies, night-shift incidence, GDM sequelae, T2D complication associations, and a T1D app trial all sit under diabetes care but answer different estimands. They are complementary scopes, not interchangeable results.
Evidence for the claim as stated.
Preventing incident type 2 diabetes (shift work, GDM history) is not the same claim as reducing microvascular events after diagnosis or improving type 1 HbA1c with an app.
Evidence for the claim as stated.
Smartphone self-management tools are one narrow cascade lever, not a system fix.
A smartphone diabetes self-management application study for adults with type 1 diabetes tests digital support for day-to-day management rather than national awareness/treatment/control rates.
Evidence for the claim as stated.
Awareness up, control still low in national survey vs Many programs exist but judged insufficient vs App-level self-management support in T1D
Evidence for the claim as stated.
Glucose Buddy plus weekly educator texts in 72 adults with type 1 diabetes produced a significant HbA1c decrease versus usual care to 9 months; usage frequency did not clearly mediate that change. A mixed model can separate average glycaemic change from a usage mediator and still leave open whether the app would work without the texts.
Evidence for the claim as stated.
Open questions
Tensions this paper is part of
From concept pages' “where studies disagree.” Disagreement means the same question; scope means different assays, populations, or outcomes.
Muscle mechanism studies, night-shift incidence, GDM sequelae, T2D complication associations, and a T1D app trial all sit under diabetes care but answer different estimands. They are complementary scopes, not interchangeable results.
- Supports · How does TXNIP control muscle glucose uptake?
- Supports · Night shifts and type 2 diabetes risk
- Supports · GDM associated with higher later diabetes and heart risks
- Supports · Muscle ATP defect in diabetes-prone offspring
- Supports · Healthier habits associated with lower T2D microvascular complication risk
Preventing incident type 2 diabetes (shift work, GDM history) is not the same claim as reducing microvascular events after diagnosis or improving type 1 HbA1c with an app.
Awareness up, control still low in national survey vs Many programs exist but judged insufficient vs App-level self-management support in T1D
History
When this study was placed
Dated entries from the concept change log — when this paper was added or removed as support, challenge, or qualifier on a claim.
Placed as a scope qualifier on Diabetes Care
Among women with gestational diabetes in linked records, adjusted rates showed markedly higher later type 2 diabetes risk and elevated hypertension and ischemic heart disease risks versus comparison women.
Placed as a scope qualifier on Diabetes Care
Among UK Biobank adults with established type 2 diabetes, more low-risk lifestyle behaviours at baseline were associated with lower subsequent microvascular complication rates (composite HR about 0.54 for 4–5 vs 0–1 behaviours).
Placed as supporting evidence on Diabetes Care
In a type 1 diabetes trial, a self-management app plus clinician feedback was associated with a significant HbA1c decrease versus usual care; usage frequency did not clearly mediate the HbA1c change.
Placed as supporting evidence on Diabetes Care
Muscle mechanism studies, night-shift incidence, GDM sequelae, T2D complication associations, and a T1D app trial all sit under diabetes care but answer different estimands. They are complementary scopes, not interchangeable results.
Placed as supporting evidence on Diabetes Care
Preventing incident type 2 diabetes (shift work, GDM history) is not the same claim as reducing microvascular events after diagnosis or improving type 1 HbA1c with an app.
Related papers in this topic
Same topic cluster — not a recommendation engine.