Semaglutide promotes bone marrow-derived progenitor cell flux towards an anti-inflammatory and pro-regenerative profile in high-risk patients: the SEMA-VR CardioLink-15 trial
Abstract
Background and aims: Glucagon-like peptide-1 receptor agonists (GLP-1RAs) reduce major atherosclerotic cardiovascular events in individuals living with either diabetes or obesity. Since the turnover of vascular regenerative (VR) stem and progenitor cells has been demonstrated to modulate vessel repair and atherothrombotic risk, this study aimed to determine the effect of the GLP-1RA semaglutide on the levels of circulating VR cells.
Methods: SEMA-VR CardioLink-15 was a randomized translational trial of usual care vs semaglutide for 6 months in 46 participants with either type 2 diabetes and/or obesity plus atherosclerotic cardiovascular disease (ASCVD) or ASCVD risk factors. Vascular regenerative cells were enumerated using multi-parametric flow cytometry for high aldehyde dehydrogenase activity (ALDHhi) and lineage-specific cell surface marker expression. The primary endpoint was the 6-month change in VR cell content.
Results: Compared with usual care (n = 24), semaglutide (n = 22) led to a greater increase in the number of VR cells [high aldehyde dehydrogenase 1A1 activity and low side scatter (ALDHhiSSClow): +0.8% vs +34.8%; P = .036], pan-haematopoietic myeloid progenitors (ALDHhiSSClowCD45+: +2.8% vs +40.1%; P = .017), and endothelial precursors (ALDHhiSSClowCD34+ CD133+ CD45-: -2.3% vs +66.2%; P = .037) from baseline. Semaglutide also decreased granulocyte precursors (ALDHhiSSChi: +0.3% vs -50.8%; P = .002), particularly those expressing the neutrophil activation…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 46 participants or records.
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