NCT07428499 Onvuzosiran Hereditary Angioedema Types I and II Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07428499 using PatSnap Clinical Trials MCP for protocol design and endpoint evidence, with Drug & Asset MCP and Company & Deal Intelligence MCP used as the companion asset and sponsor enrichment workflow. Explore PatSnap MCP Servers to reproduce the research sequence inside an AI workflow.
MCP evidence snapshot: 24 August 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07428499 is a hot trial to watch
Hereditary Angioedema Types I and II is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07428499 is notable because it evaluates Onvuzosiran in a Phase 3 design sponsored by ADARx Pharmaceuticals, Inc.. The main development question is whether the protocol can translate its rationale into a clinically interpretable and operationally credible readout.
Trial landscape snapshot
| Field | Indexed detail |
|---|---|
| Registration | NCT07428499 |
| Official title | Phase 3 Extension Study of ADX-324 in Participants With Hereditary Angioedema (HAE) |
| Phase / status | Phase 3 / Recruiting |
| Intervention | Onvuzosiran |
| Sponsor | ADARx Pharmaceuticals, Inc. |
| Geography | Argentina, Hungary, Hong Kong, Czechia, United States, United Kingdom, Spain, Canada, Austria, Belgium, China, Taiwan Province, Poland, Israel, France, Bulgaria, Australia, Germany, Croatia |
| Enrollment | [object Object] |
| Primary endpoint | Safety of ADX-324 in Participants with HAE |
| Endpoint time frame | Month 36 |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
Study ADX-324-302 is an extension study for participants who complete the Phase 3 ADX-324-301 trial. The extension study will provide information about the safety and efficacy of additional dosing of ADX-324 in participants with Type I and Type II hereditary angioedema (HAE). The study will also include pharmacodynamic (PD), pharmacokinetic (PK), and health-related quality of life (HRQoL) measurements.
Allocation is Non-Randomized, masking is Double, and the intervention model is Parallel Assignment. Planned enrollment of [object Object] participants across Argentina, Hungary, Hong Kong, Czechia, United States, United Kingdom, Spain, Canada, Austria, Belgium, China, Taiwan Province, Poland, Israel, France, Bulgaria, Australia, Germany, Croatia shapes statistical precision, execution risk and external validity. Interpretation should account for baseline risk, prior therapy, assessment schedule, missing-data handling and clinical relevance—not only statistical significance.
- Safety of ADX-324 in Participants with HAE (Month 36) — Incidence and severity of treatment-emergent adverse events
Readout outlook and evidence gap
The current protocol points to [object Object] as the best available readout proxy. Because this is an active or newly posted study, a trial-specific result citation is not included until a normalized clinical-trial-result record becomes available. That gap is itself operationally important: teams should monitor first result indexing, conference abstracts, protocol amendments and changes to the primary-completion date.
Build a living trial monitor: connect to PatSnap MCP Servers and track recruitment, endpoint revisions, projected readouts and new result records without manually reconciling separate databases.
Asset and sponsor context
Drug & Asset MCP profile: Onvuzosiran is indexed as No normalized modality returned, with target No normalized target returned, mechanism No normalized mechanism returned, and global highest development status No normalized global status returned.
Company & Deal Intelligence MCP profile: ADARx Pharmaceuticals, Inc. is resolved to a normalized organization record in SAN DIEGO COUNTY, United States. The organization workflow adds identity, location, portfolio and partnering context where available.
The sponsor profile matters because scientific rationale alone does not determine development value. 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 or phenotype definitions that identify who is most likely to benefit.
- Clinically interpretable endpoints: outcomes connecting activity with function, symptoms, survival or treatment burden.
- Comparator relevance: evidence against the most decision-relevant contemporary standard of care.
- Broader external validity: evidence across additional geographies, demographic groups and real-world settings.
- Operational differentiation: a development path that closes the readout gap without sacrificing safety or durability.
What to monitor next
Monitor recruitment, enrollment changes, protocol amendments, endpoint hierarchy, primary-completion timing, first result indexing, asset ownership and sponsor partnerships. A change in endpoint, population or ownership can alter the probability of success before a headline data release.
Bottom line
NCT07428499 provides a focused lens on Hereditary Angioedema Types I and II development. Its value will be determined by whether Onvuzosiran can convert the current Phase 3 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
Ready to reproduce this analysis? Explore PatSnap MCP Servers and combine Clinical Trials, Drug & Asset, and Company & Deal Intelligence as reusable building blocks for trial monitoring and SEO-ready clinical reports.
