Benefit of Semaglutide in Symptomatic Peripheral Artery Disease by Baseline Type 2 Diabetes Characteristics: Insights From STRIDE, a Randomized, Placebo-Controlled, Double-Blind Trial
Bibliographic record
Abstract
OBJECTIVE: The Semaglutide and Walking Capacity in People with Symptomatic Peripheral Artery Disease and Type 2 Diabetes (STRIDE) trial (NCT04560998) showed that once-weekly subcutaneous semaglutide 1.0 mg significantly improved functional outcomes, symptoms, and quality of life in individuals with symptomatic peripheral artery disease (PAD) and type 2 diabetes. Whether these benefits are consistent across diabetes-related characteristics remains unclear. RESEARCH DESIGN AND METHODS: The primary outcome was the ratio to baseline (ETR) in maximum walking distance (MWD), with pain-free walking distance (PFWD) as a key secondary end point. Both were measured at 52 weeks using a constant load treadmill. Subgroup analyses were performed by diabetes duration, BMI, HbA1c, and diabetes medications. A mixed model for repeated measurements was used, incorporating treatment, region, and subgroup as fixed factors, and baseline value as covariate, along with the treatment-by-subgroup interaction. RESULTS: Among 792 participants (median diabetes duration 12.2 years, HbA1c 7.1%, and BMI 28.7 kg/m2), 35.1% used sodium-glucose cotransporter 2 inhibitors and 31.7% used insulin. Semaglutide significantly improved MWD regardless of diabetes duration (ETR of 1.15 vs. 1.13 for <10 vs. ≥10 years, P = 0.80), BMI (1.12 vs. 1.16 for <30 vs. ≥30 kg/m2, P = 0.58), HbA1c (1.13 for <7% and ≥7%, P = 0.99), or medication use. Semaglutide also improved PFWD across subgroups (P > 0.1 for all interactions). BMI reduction correlated weakly with MWD improvements and was more pronounced in the control individuals with higher baseline BMI. Safety outcomes were consistent across subgroups. CONCLUSIONS: Semaglutide improved walking function in people with PAD and type 2 diabetes, including individuals without obesity and those with well-controlled HbA1c. Benefits were consistent across BMI and HbA1c categories, supporting effectiveness beyond weight or glycemic changes.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".