Pair page
Semaglutide with Tirzepatide
Mechanism-tag overlap and published literature for Semaglutide and Tirzepatide, pulled verbatim from each Kalios compound profile. Kalios is a literature reference, not a recommendation.
Mechanism overlap
Mechanism tags are verbatim labels on each compound's profile. Generic tags ("peptide", "small-molecule", "research-chemical") are excluded from this overlap view. Tags are descriptive — not an inference about combined effect.
glp-1-receptor-agonistmetabolic
dual-gip-glp-1-receptor-agonist
Co-administration notes from the literature
Verbatim summary text pulled from each compound's profile data. Researchers studying Semaglutide and Tirzepatide have published these mechanism-level observations. Not a co-administration recommendation.
Semaglutide and tirzepatide should never be used simultaneously — they are alternative GLP-1 therapies with overlapping mechanisms. Patients who plateau on semaglutide sometimes switch to tirzepatide's dual GLP-1/GIP agonism for additional weight loss.
Not a stack — direct competitors. Never used simultaneously. Patients transition between them based on insurance, access, or tolerability. SURPASS-2 and SURMOUNT-5 show tirzepatide superior efficacy at matched or higher doses.
Quick facts
Semaglutide
Tirzepatide
Literature table
Classified references from each compound profile. Click a column header to sort. Click a PMID to open PubMed. Findings are quoted verbatim from each profile's literature_summary; nothing here is added or interpreted.
| Year | Compound | Source | Finding |
|---|---|---|---|
| 2024 | Semaglutide | Perkovic V, Tuttle KR, Rossing P, et al. Effects of Semaglutide on Chronic Kidney Disease in Patients with Type 2 Diabetes (FLOW). N Engl J Med. 2024;391(2):109-121. PMID: 38785209. PMID 38785209 | human trial |
| 2023 | Semaglutide | Lincoff AM, Brown-Frandsen K, Colhoun HM, et al. Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT). N Engl J Med. 2023;389(24):2221-2232. PMID: 37952131. PMID 37952131 | human trial |
| 2022 | Semaglutide | Garvey WT, Batterham RL, Bhatta M, et al. Two-year effects of semaglutide in adults with overweight or obesity: the STEP 5 trial. Nat Med. 2022;28(10):2083-2091. PMID: 36216945. PMID 36216945 | human trial |
| 2022 | Semaglutide | Rubino DM, Greenway FL, Khalid U, et al. Effect of Weekly Subcutaneous Semaglutide vs Daily Liraglutide on Body Weight in Adults With Overweight or Obesity Without Diabetes (STEP 8). JAMA. 2022;327(2):138-150. PMID: 35015037. PMID 35015037 | human trial |
| 2021 | Semaglutide | Wilding JPH, Batterham RL, Calanna S, et al. Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1). N Engl J Med. 2021;384(11):989-1002. PMID: 33567185. PMID 33567185 | human trial |
| 2021 | Semaglutide | Davies M, Færch L, Jeppesen OK, et al. Semaglutide 2·4 mg once a week in adults with overweight or obesity, and type 2 diabetes (STEP 2). Lancet. 2021;397(10278):971-984. PMID: 33667417. PMID 33667417 | human trial |
| 2021 | Semaglutide | Wadden TA, Bailey TS, Billings LK, et al. Effect of Subcutaneous Semaglutide vs Placebo as an Adjunct to Intensive Behavioral Therapy on Body Weight in Adults With Overweight or Obesity (STEP 3). JAMA. 2021;325(14):1403-1413. PMID: 33625476. PMID 33625476 | human trial |
| 2021 | Semaglutide | Rubino D, Abrahamsson N, Davies M, et al. Effect of Continued Weekly Subcutaneous Semaglutide vs Placebo on Weight Loss Maintenance in Adults With Overweight or Obesity (STEP 4). JAMA. 2021;325(14):1414-1425. PMID: 33755728. PMID 33755728 | human trial |
| 2021 | Semaglutide | Newsome PN, Buchholtz K, Cusi K, et al. A Placebo-Controlled Trial of Subcutaneous Semaglutide in Nonalcoholic Steatohepatitis. N Engl J Med. 2021;384(12):1113-1124. PMID: 33185364. PMID 33185364 | human trial |
| 2019 | Semaglutide | Aroda VR, Rosenstock J, Terauchi Y, et al. PIONEER 1: Randomized Clinical Trial of the Efficacy and Safety of Oral Semaglutide Monotherapy in Comparison With Placebo in Patients With Type 2 Diabetes. Diabetes Care. 2019;42(9):1724-1732. PMID: 31186300. PMID 31186300 | human trial |
| 2016 | Semaglutide | Marso SP, Bain SC, Consoli A, et al. Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes (SUSTAIN 6). N Engl J Med. 2016;375(19):1834-1844. PMID: 27633186. PMID 27633186 | human trial |
| 2019 | Semaglutide | Knudsen LB, Lau J. The Discovery and Development of Liraglutide and Semaglutide. Front Endocrinol. 2019;10:155. PMID: 31031702. PMID 31031702 | mechanism / discovery |
| 2022 | Tirzepatide | Heerspink HJL, Sattar N, Pavo I, Haupt A, Duffin KL, Yang Z, et al. Effects of tirzepatide versus insulin glargine on kidney outcomes in type 2 diabetes in the SURPASS-4 trial: post-hoc analysis of an open-label, randomised, phase 3 trial. Lancet Diabetes Endocrinol. 2022;10(11)… PMID 36152639 | human trial, Phase 3 |
| 2021 | Tirzepatide | Rosenstock J, Wysham C, Frías JP, Kaneko S, Lee CJ, Fernández Landó L, et al.; SURPASS-1 Investigators. 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. Lancet.… PMID 34186022 | human trial, Phase 3 |
| 2021 | Tirzepatide | Ludvik B, Giorgino F, Jódar E, Frias JP, Fernández Landó L, Brown K, et al. 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,… PMID 34370970 | human trial, Phase 3 |
| 2021 | Tirzepatide | Del Prato S, Kahn SE, Pavo I, Weerakkody GJ, Yang Z, Doupis J, et al.; SURPASS-4 Investigators. Tirzepatide versus insulin glargine in type 2 diabetes and increased cardiovascular risk (SURPASS-4): a randomised, open-label, parallel-group, multicentre, phase 3 trial. Lancet. 202… PMID 34672967 | human trial, Phase 3 |
| 2025 | Tirzepatide | Jastreboff AM, le Roux CW, Stefanski A, Aronne LJ, Halpern B, Wharton S, et al.; SURMOUNT-1 Investigators. Tirzepatide for Obesity Treatment and Diabetes Prevention. N Engl J Med. 2025;392(10):958-971. PMID: 39536238. PMID 39536238 | human trial |
| 2024 | Tirzepatide | Aronne LJ, Sattar N, Horn DB, Bays HE, Wharton S, Lin WY, et al.; SURMOUNT-4 Investigators. Continued Treatment With Tirzepatide for Maintenance of Weight Reduction in Adults With Obesity: The SURMOUNT-4 Randomized Clinical Trial. JAMA. 2024;331(1):38-48. PMID: 38078870. PMID 38078870 | human trial |
| 2024 | Tirzepatide | Malhotra A, Grunstein RR, Fietze I, Weaver TE, Redline S, Azarbarzin A, et al.; SURMOUNT-OSA Investigators. Tirzepatide for the Treatment of Obstructive Sleep Apnea and Obesity. N Engl J Med. 2024;391(13):1193-1205. PMID: 38912654. PMID 38912654 | human trial |
| 2023 | Tirzepatide | Garvey WT, Frias JP, Jastreboff AM, le Roux CW, Sattar N, Aizenberg D, et al.; SURMOUNT-2 Investigators. Tirzepatide once weekly for the treatment of obesity in people with type 2 diabetes (SURMOUNT-2). Lancet. 2023;402(10402):613-626. PMID: 37385275. PMID 37385275 | human trial |
| 2022 | Tirzepatide | Jastreboff AM, Aronne LJ, Ahmad NN, Wharton S, Connery L, Alves B, et al.; SURMOUNT-1 Investigators. Tirzepatide Once Weekly for the Treatment of Obesity. N Engl J Med. 2022;387(3):205-216. PMID: 35658024. PMID 35658024 | human trial |
| 2022 | Tirzepatide | Dahl D, Onishi Y, Norwood P, Huh R, Bray R, Patel H, Rodríguez Á. 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. JAMA. 2022;327(6):534-545. PMID: 3513… PMID 35133415 | human trial |
| 2021 | Tirzepatide | Frías JP, Davies MJ, Rosenstock J, Pérez Manghi FC, Fernández Landó L, Bergman BK, et al.; SURPASS-2 Investigators. Tirzepatide versus Semaglutide Once Weekly in Patients with Type 2 Diabetes. N Engl J Med. 2021;385(6):503-515. PMID: 34170647. PMID 34170647 | human trial |
| 2018 | Tirzepatide | Coskun T, Sloop KW, Loghin C, Alsina-Fernandez J, Urva S, Bokvist KB, et al. LY3298176, a novel dual GIP and GLP-1 receptor agonist for the treatment of type 2 diabetes mellitus: From discovery to clinical proof of concept. Mol Metab. 2018;18:3-14. PMID: 30473097. PMID 30473097 | mechanism / discovery |
Related pair pages
More research context
Frequently asked
Have Semaglutide and Tirzepatide been studied together?
Researchers have published mechanistic-level co-administration discussion of Semaglutide and Tirzepatide. No human co-administration trials are catalogued in the Kalios profiles. The pair page lists each compound's classified literature; full citations sit on each individual profile.
What mechanisms do Semaglutide and Tirzepatide share?
Semaglutide and Tirzepatide do not share a specific mechanism tag on their Kalios profiles. They appear on the same pair page because at least one profile lists the other in its co-administration data.
What is the FDA status of Semaglutide and Tirzepatide?
Semaglutide: Approved (2017). Tirzepatide: Approved (T2D 2022, obesity 2023, OSA 2024). FDA-status text is pulled verbatim from each compound profile. See /fda-pcac-2026.html for the broader FDA Pharmacy Compounding Advisory Committee context.
Where can I find the full research on Semaglutide and Tirzepatide?
Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the Semaglutide profile and the Tirzepatide profile. The Kalios Stack Research Tool hub lists every compound covered.
Last updated: April 2026