At a glance Selected evidence in this atlas Studied use & population MAD participants meanBMI 31.4; randomized otherwise healthy cohort
Study context Approval & development China phase 2 planned; non-China phase 1 planned 2026 with 2027 data.
Status & indications Selected efficacy evidence 16% reported weight loss · 5.4% loss with placebo · 12 weeks
HRS-4729 phase 1 MAD · Phase 1 · sponsor · 12 mg once weekly · Other / incompletely specified
Evidence & limitations Important safety context Most reported adverse events were mild or moderate gastrointestinal events.
Safety context Study results apply to their own population, dose and analysis. They do not establish a ranking between therapies.
At a glance Evidence & safety Development timeline Biology & identity Molecule
Evidence in the atlas 1 result Each result belongs to its own study population, dose and analysis. Open a result for its chart, comparator, safety findings and limitations.
Weight loss 16% reported weight loss · 5.4% loss with placebo · 12 weeks
12 mg once weekly
MAD participants meanBMI 31.4; randomized otherwise healthy cohort
Not specified in public report China phase 2 planned; non-China phase 1 planned 2026 with 2027 data.
Safety context Most reported adverse events were mild or moderate gastrointestinal events.
Limitations: Small first-in-human cohort; sponsor says 'up to'; estimand unspecified. Phase 1 should be visibly distinguished.
Biology & identity Status in this atlas: China phase 2 planned; non-China phase 1 planned 2026 with 2027 data.
Hormone activity Activates GLP-1, GIP and glucagon receptors.
What do these hormones do? GLP-1 · GIP · Glucagon
No approved trade name verified as of September 13, 2026; the compound name and development codes are not trade names.
Hengrui Pharma · Originator and Greater-China developer.; Kailera Therapeutics · Exclusive development and commercialization licensee outside China, Hong Kong, Macau and Taiwan.
Uses, doses and availability depend on the formulation, indication and country. Study doses below describe research; they are not prescribing instructions.
The molecule Activates GLP-1, GIP and glucagon receptors.
Structure not yet verified Structure not verified Activates GLP-1, GIP and glucagon receptors.
Shown: Peptide drug
An exact-drug structure was not verified in this review. The named PubChem lookup did not return a compound record; no related hormone or analogue is substituted.
HRS-4729 (KAI-4729) Development timeline Next milestone A next milestone is not summarized for this therapy. This does not mean development has ended.
Development history 2 selected milestones HRS-4729 (KAI-4729) · compound history across indications
Selected milestones only. Earlier studies may be missing; the first listed date should not be interpreted as the start of development.
May 15, 2024
Kailera acquires regional rights Hengrui licensed the metabolic portfolio to Kailera for worldwide development and commercialization outside Greater China.
Source May 26, 2026
First-in-human topline data Kailera reported the Chinese 12-week multiple-dose study; Hengrui planned phase 2 development in obesity and MASH.
Source Selected sources checked Sep 13, 2026. This is not an exhaustive history.