NCT07557446 AGA-2115 Osteogenesis Imperfecta Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Move from a broad disease map to a decision-ready trial dossier. This focused report examines NCT07557446—A Dose REgimen-Finding Study of AGA2115 in Chinese Patients With Osteogenesis ImpeRfecta (EIR) (EIR)—using PatSnap Clinical Trials, Drug & Asset, and Company & Deal Intelligence MCP evidence. Explore PatSnap MCP Servers to reproduce the workflow inside an AI research process.
MCP evidence snapshot: 16 July 2026; publication date: 17 July 2026. Trial records can change after the snapshot and should be rechecked before operational decisions.
Why NCT07557446 is a hot trial to watch
Osteogenesis Imperfecta is no longer one homogeneous development market. The most consequential programs increasingly compete through a specific mechanism, biomarker, treatment line, delivery strategy or endpoint architecture. NCT07557446 is notable because it tests AGA-2115 in a Phase 2 design with Occurrence of Treatment-Emergent Adverse Events (TEAEs) as a primary decision variable. The wider PatSnap topic query returned 58 trial records and 21 result records, so differentiation depends on evidence quality rather than activity alone.
PatSnap Clinical Trials MCP makes the protocol fields machine-readable, while the companion asset and organization servers add mechanism and sponsor context.
Trial landscape snapshot
| Field | Indexed detail |
|---|---|
| Registration | NCT07557446 |
| Official title | A Dose REgimen-Finding Study of AGA2115 in Chinese Patients With Osteogenesis ImpeRfecta (EIR) (EIR) |
| Phase / status | Phase 2 / Recruiting |
| Intervention | AGA-2115 |
| Sponsor | Angitia Biopharmaceuticals Guangzhou Ltd. |
| Geography | China |
| Enrollment | 48 |
| Primary endpoint | Occurrence of Treatment-Emergent Adverse Events (TEAEs) |
| Endpoint time frame | Baseline to Month 27 (Cohorts 1 and 5); Baseline to Month 24 (Cohorts 2, 3, 4, 6, 7 and 8) |
| Primary completion | 2028-04-01 |
| Study completion | 2029-07-01 |
Design and endpoint interpretation
The design should be read as an evidence architecture, not just a phase label. The primary endpoint—Occurrence of Treatment-Emergent Adverse Events (TEAEs)—determines what uncertainty this study can resolve. The reported time frame is Baseline to Month 27 (Cohorts 1 and 5); Baseline to Month 24 (Cohorts 2, 3, 4, 6, 7 and 8). Enrollment of 48 participants and geography in China shape statistical precision, operational risk and external validity. A strong readout will need to be interpreted against baseline risk, prior treatment, assessment schedule, missing-data handling and the clinical relevance of the observed effect.
Benchmark readouts in the same clinical field
- Mereo BioPharma Announces Phase 3 ORBIT and COSMIC Results for Setrusumab (UX143) in Osteogenesis Imperfecta (Phase 3): Annualized fracture rate = did not meet statistical significance Not Met; Annualized fracture rate = did not meet statistical significance Not Met.
- Mereo BioPharma Announces Phase 3 ORBIT and COSMIC Results for Setrusumab (UX143) in Osteogenesis Imperfecta (Phase 3): Annualized fracture rate = didn't achieve Not Met; Annualized fracture rate = didn't achieve Not Met.
- A Phase 2b, Multicenter, Long-term Extension Study of Setrusumab in Adults With Type I, III, or IV Osteogenesis Imperfecta (Phase 2): -; -; Other (Not Including Serious) Adverse Events = 0 Participants .
These result records are contextual benchmarks rather than direct head-to-head evidence. Cross-trial comparisons can be distorted by population, line of therapy, endpoint definition, follow-up and analysis set. Their value is to clarify what magnitude and type of evidence the market already recognizes.
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Asset and sponsor context
Drug & Asset context: AGA-2115 (Phase 2; DKK1 x SOST).
Company & Deal Intelligence context: Angitia Biopharmaceuticals Guangzhou Ltd. — http://angitiabio.com.
The sponsor profile matters because a trial's strategic value depends on more than scientific rationale. Manufacturing readiness, portfolio fit, geographic reach, partnering capacity and the ability to fund confirmatory development can determine whether a positive signal becomes a competitive asset.
White space around this program
- Sharper patient selection: prospective biomarker definitions that identify who is most likely to benefit.
- Clinically interpretable endpoints: outcomes that connect biological activity with function, symptoms, survival or treatment burden.
- Sequencing evidence: randomized data after the most relevant contemporary standard of care.
- Broader external validity: evidence across additional geographies, demographic groups and real-world care settings.
- Operational differentiation: a development path that closes the readout gap without sacrificing safety monitoring or durability.
What to monitor next
Monitor recruitment status, enrollment changes, protocol amendments, endpoint hierarchy, primary-completion timing, first result indexing, asset ownership and sponsor partnerships. The most important inflection point is not always the headline data release; a change in endpoint, population or ownership can alter probability of success months earlier.
Bottom line
NCT07557446 is a focused lens on Osteogenesis Imperfecta development. Its value will be determined by whether AGA-2115 can convert the current design into evidence that is clinically meaningful, operationally credible and differentiated from topic-level benchmark readouts.
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