GLP-1 Receptor Agonists

Mazdutide and Tirzepatide

Records checked

Compiled and citation-checked by GLP-1 Receptor Agonists editorial desk

Qualified clinical review None on record

Withheld from the index. This page sets out the indexed clinical-record picture for Mazdutide and Tirzepatide.

Every compound in scope is marked high impact and none has a qualified clinical reviewer recorded, so this page is built, checked and served with a noindex directive and left out of the sitemap. Nothing on it has been removed or softened. Recording a named reviewer publishes it unchanged on the next build. How the gate works.

Mazdutide and Tirzepatide are curated as a pair under Incretin receptor agonists. This page reads them across four axes at once: what each one is recorded as binding, what the molecule is, what shape its indexed record set has, and what the application register returned. Every cell is either a sourced value or a count of records.

A larger record count is not a better compound. Counts track how long a compound has been studied and how heavily it has been indexed, nothing else. Nothing on this page ranks the two.

Identity and target

AxisMazdutideTirzepatide
Class as recordedIncretin receptor agonistsIncretin receptor agonists
Receptor targets as recordedGLP-1 receptor, Glucagon receptorGIP receptor, GLP-1 receptor
Molecular formulaC207H317N45O65[6]C225H348N48O68[14]
Molecular weight4476 g/mol[6]4813 g/mol[14]
CAS registry number2259884-03-0[6]2023788-19-2[14]
Reported half-lifeUnknown No pharmacokinetics source was retrieved in v1. PubChem does not carry half-life as a property, so this is recorded as not yet sourced rather than estimated.Unknown No pharmacokinetics source was retrieved in v1. PubChem does not carry half-life as a property, so this is recorded as not yet sourced rather than estimated.
Applications on the registerNone on the query date[7]2 on the query date[15]

Shape of the indexed record set

AxisMazdutideTirzepatide
Records indexed here1212
Phase 3 records47
Phase 2 records11
Phase 1 records10
Trial records with no phase assigned13
Review or synthesis records40
Records that are not registered trials11
Study models as assignedhuman trial 6; other 5; rodent 1human trial 10; other 2
Publication years covered2025–20262024–2025
Derived record-set tierHuman trial evidenceHuman trial evidence
Basis of that tier6 of 12 indexed records are interventional human trials by their own assigned publication type10 of 12 indexed records are interventional human trials by their own assigned publication type
Review statePending qualified reviewPending qualified review

The derived tier counts record types. It is not an assessment of clinical efficacy, of safety, of study quality or of consensus, and the two tiers on this row are not a verdict about which compound is better supported.

Endpoint coverage, side by side

AxisMazdutideTirzepatide
Body weight and adiposity119
Glycaemic control93
Cardiovascular06
Renal00
Hepatic01
Neurological10

Each endpoint is defined by a fixed set of subject headings, printed in full on the endpoint pages.

Which axes diverge

16 of the 23 axes above differ between the two, 6 carry the same value, and 1 are unsourced on both sides. A divergence is a difference in what the corpus records, not a difference in what either compound does.

ResultAxes
DifferReceptor targets; Molecular formula; Molecular weight; CAS registry number; Applications on the register; Phase 3 records; Phase 1 records; Unphased trial records; Review records; Study models; Publication years; Body weight and adiposity records; Glycaemic control records; Cardiovascular records; Hepatic records; Neurological records
Same valueClass as recorded; Records indexed; Phase 2 records; Non-trial records; Derived record-set tier; Renal records
Unsourced on both sidesReported half-life

The corpus also carries a curated divergence note for this pair, written for the reference layer rather than for this one. It is not reproduced here; the records behind it are cited[1, 2, 3, 4, 5] and listed in the sources below.

Records indexed under both

No record in this corpus is indexed under both compounds. That is the absence of a retrieved head-to-head record in this selection, not evidence that none exists.

Where this page sits

Sources

  1. Safety and efficacy of a GLP-1 and glucagon receptor dual agonist mazdutide (IBI362) 9 mg and 10 mg in Chinese adults with overweight or obesity: A randomised, placebo-controlled, multiple-ascending-dose phase 1b trial. EClinicalMedicine (2022). pmid:36247927
  2. Once-Weekly Mazdutide in Chinese Adults with Obesity or Overweight. The New England journal of medicine (2025). pmid:40421736
  3. Mazdutide versus dulaglutide in Chinese adults with type 2 diabetes. Nature (2026). pmid:41407860
  4. 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 (2021). pmid:34186022
  5. Tirzepatide Once Weekly for the Treatment of Obesity. N Engl J Med (2022). pmid:35658024
  6. PubChem Compound Summary for CID 167312357, Mazdutide. PubChem, National Library of Medicine (2026). pubchem:167312357
  7. Drugs@FDA application register query for this compound, no application records returned. U.S. Food and Drug Administration, openFDA drugsfda endpoint (2026). fda:mazdutide
  8. IBI362 (LY3305677), a weekly-dose GLP-1 and glucagon receptor dual agonist, in Chinese adults with overweight or obesity: A randomised, placebo-controlled, multiple ascending dose phase 1b study. EClinicalMedicine (2021). pmid:34430840
  9. A phase 1b randomised controlled trial of a glucagon-like peptide-1 and glucagon receptor dual agonist IBI362 (LY3305677) in Chinese patients with type 2 diabetes. Nature communications (2022). pmid:35750681
  10. A phase 2 randomised controlled trial of mazdutide in Chinese overweight adults or adults with obesity. Nature communications (2023). pmid:38092790
  11. Efficacy and Safety of Mazdutide in Chinese Patients With Type 2 Diabetes: A Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial. Diabetes care (2024). pmid:37943529
  12. Mazdutide versus placebo in Chinese adults with type 2 diabetes. Nature (2026). pmid:41407859
  13. Efficacy and safety of Mazdutide on weight loss among diabetic and non-diabetic patients: a systematic review and meta-analysis of randomized controlled trials. Frontiers in endocrinology (2024). pmid:38440786
  14. PubChem Compound Summary for CID 166567236, tirzepatide. PubChem, National Library of Medicine (2026). pubchem:166567236
  15. Drugs@FDA application register query for this compound, 2 application(s) returned: NDA215866, NDA217806. U.S. Food and Drug Administration, openFDA drugsfda endpoint (2026). fda:tirzepatide
  16. Tirzepatide versus Semaglutide Once Weekly in Patients with Type 2 Diabetes. N Engl J Med (2021). pmid:34170647
  17. Tirzepatide for Metabolic Dysfunction-Associated Steatohepatitis with Liver Fibrosis. N Engl J Med (2024). pmid:38856224
  18. Tirzepatide for Heart Failure with Preserved Ejection Fraction and Obesity. N Engl J Med (2025). pmid:39555826