Comparative Efficacy and Safety of Tirzepatide Versus Semaglutide for Obesity: A Systematic Review

Samih Abdelmutalab Mohamed Abdalla, Lima Gharbawi, Namaa Elshaikh, Eltayeb Osman Elfaki Omer, Alaa Fathelrahman Mokhtar Osman, Asjed Salaheldin Hassan Ali, Tasneem Mohamed Yousif Mohamed, Ali Hadi M Alhajri · 2026

Read Comparative Efficacy and Safety of Tirzepatide Versus Semaglutide for Obesity: A Systematic Review by Samih Abdelmutalab Mohamed Abdalla, Lima Gharbawi, Namaa Elshaikh, Eltayeb Osman Elfaki Omer, Alaa Fathelrahman Mokhtar Osman, Asjed Salaheldin Hassan Ali, Tasneem Mohamed Yousif Mohamed, Ali Hadi M Alhajri (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13570719.txt.

Description

Samih Abdelmutalab Mohamed Abdalla and co-authors compare the two strongest injectable obesity drugs in a 2026 review. Tirzepatide acts on two gut hormone receptors, while semaglutide acts on one. Until recently the two were compared only across separate trials. A direct head-to-head trial and many real-world studies now allow a formal review.

Eleven studies covering about sixty-two thousand seven hundred patients were included. Tirzepatide produced greater weight loss in every study that tested the contrast. In the randomized trial, average loss at seventy-two weeks was about twenty percent against about fourteen percent. Real-world gaps were smaller, at a few percentage points. Stomach side effects dominated for both drugs. The authors rate the edge as real but smaller in routine care than in the trial.

Catalog record

CREATORSamih Abdelmutalab Mohamed Abdalla, Lima Gharbawi, Namaa Elshaikh, Eltayeb Osman Elfaki Omer, Alaa Fathelrahman Mokhtar Osman, Asjed Salaheldin Hassan Ali, Tasneem Mohamed Yousif Mohamed, Ali Hadi M Alhajri
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE64 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC13570719

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