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. 2023 Sep 27;15(9):e46091. doi: 10.7759/cureus.46091

Table 1. Characteristics of included studies.

Author and year of publication Study Design Title Location Number of Patient Course Duration
Julio Rosenstock 2021 [19] Randomized Controlled Trials. Phase 3 trial. Multi-Center. Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial. India, Japan, Mexico, and United States. Tirzepatide 5mg: 121 Tirzepatide 10mg: 121 Tirzepatide 15mg: 121 Vs Placebo: 115 40 weeks
Dominik Dahl 2022 [23] Randomized Controlled Trials, Double-blind. Phase 3 trial. Effect of Subcutaneous Tirzepatide vs Placebo Added to Titrated Insulin Glargine on Glycemic Control in Patients With Type 2 Diabetes: The SURPASS-5 Randomized Clinical Trial. Germany, Poland, Japan, and United States Tirzepatide 5mg: 116 Tirzepatide 10mg: 119 Tirzepatide 15mg: 120 Vs Placebo: 120 40 weeks
Juan Pablo Frias 2021 [24] Randomized Controlled Trials. Phase 3 trial. Tirzepatide versus Semaglutide Once Weekly in Patients with Type 2 Diabetes. 128 sites in Australia, Argentina, and United States. Tirzepatide 5mg: 470 Tirzepatide 10mg: 469 Tirzepatide 15mg: 470 Vs Semaglutide 1mg: 469 40 weeks
Bernhard Ludvik 2021 [25] Randomized Controlled Trials. Phase 3 trial. Multi-Center. Once-weekly tirzepatide versus once-daily insulin degludec as add-on to metformin with or without SGLT2 inhibitors in patients with type 2 diabetes (SURPASS-3): a randomised, open-label, parallel-group, phase 3 trial. Argentina, Austria, Greece, Hungary, and Poland. Tirzepatide 5mg: 358 Tirzepatide 10mg: 360 Tirzepatide 15mg: 359 Vs Insulin Degludec: 360 52 weeks
Juan Pablo Frias 2020 [26] Randomized Controlled Trials, Double-blind. Phase 2 trial. Efficacy and tolerability of tirzepatide, a dual glucose-dependent insulinotropic peptide and glucagon-like peptide-1 receptor agonist in patients with type 2 diabetes: A 12-week, randomized, double-blind, placebo-controlled study to evaluate different dose-escalation regimens. United State Tirzepatide 15mg: 28 Vs Placebo: 26 12 weeks
Juan Pablo Frias 2018 [27] Randomized Controlled Trials. Phase 2 trial. Efficacy and safety of LY3298176, a novel dual GIP and GLP-1 receptor agonist, in patients with type 2 diabetes: a randomised, placebo-controlled and active comparator-controlled phase 2 trial 47 sites in Poland, Puerto Rico, Slovakia, and United States Tirzepatide 5mg: 55 Tirzepatide 10mg: 51 Tirzepatide 15mg: 53 Vs Dulaglutide 1.5mg: 54 Placebo: 51 26 weeks