All therapiesEvidence snapshot 2026-09-13
Weight & glucose

HRS-4729 (KAI-4729)

Activates GLP-1, GIP and glucagon receptors.

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
Next milestone

A next milestone is not summarized for this therapy.

Milestone details

Study results apply to their own population, dose and analysis. They do not establish a ranking between therapies.

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

HRS-4729 phase 1 MAD

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.

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 history2 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.

  1. Kailera acquires regional rights

    Hengrui licensed the metabolic portfolio to Kailera for worldwide development and commercialization outside Greater China.

    Source
  2. 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.