Why the study?
Comparative efficacy and safety analyses tailored to receptor-specific strategies for dual and triple incretin-based agonists in T2DM care are limited.
Do dual and triple incretin agonists improve weight, glycemic control, and safety outcomes compared to standard therapies in patients with T2DM?
Do dual and triple incretin agonists improve weight, glycemic control, and safety outcomes compared to standard therapies in patients with T2DM?
In patients with T2DM, retatrutide provides the greatest weight reduction, while tirzepatide is most effective for glycemic control, highlighting the potential for personalized incretin therapy.
Supports receptor-specific incretin agonist selection for T2DM outcomes; extends evidence for personalized therapy while highlighting need for direct trials.
BACKGROUND: Dual and triple incretin-based agonists, targeting combinations of GLP-1, GIP, and glucagon receptors, represent an innovative approach in T2DM care. However, comparative efficacy and safety analyses tailored to receptor-specific strategies are limited. PURPOSE: This systematic review and network meta-analysis uniquely evaluates the efficacy and safety of dual and triple incretin agonists compared to standard therapies, offering insights into personalized, receptor-specific T2DM therapies. DATA SOURCES: Systematic searches in PubMed, Web of Science, Cochrane Library, and Embase (up to July 2024) identified RCTs. STUDY SELECTION: Trials assessing dual or triple incretin therapies in T2DM with outcomes on weight, HbA1c, FBG, AEs, and SAEs were included. DATA EXTRACTION: Data on efficacy and safety were extracted by independent reviewers and assessed for quality using the NIH Quality Assessment Tool. DATA SYNTHESIS: Retatrutide achieved the greatest weight reduction (MD: - 8.601; 95% CrI: - 11.20 to - 5.95) while Tirzepatide was most effective in lowering FBG (MD: - 57.30) and HbA1c ( - 1.88), with 95% CrIs of - 65.41 to - 48.9 and - 2.15 to - 1.64 respectively. Tirzepatide (RR 1.15) and Cotadutide (1.38) increased AEs, while Semaglutide reduced SAEs (0.35); 95% Crls: 1.04-1.33, 1.16-1.68, and 0.13-0.78, respectively. LIMITATIONS: Small sample sizes, short study durations, and reliance on indirect comparisons in some cases may limit the certainty of these findings. Direct head-to-head trials are needed to confirm these results. CONCLUSION: Receptor-specific targeting optimizes T2DM treatment, with Semaglutide supporting glycemic control, Tirzepatide enhancing weight loss and glucose regulation, and Retatrutide potentially offering broader metabolic benefits, advancing receptor-targeted, personalized therapy. PROSPERO REGISTRATION NUMBER: CRD42024532368.
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Haichuan Yu (2025) studied this question.
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