NCT07482657 Zelicapavir Respiratory Syncytial Virus Infections Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07482657 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: 26 August 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07482657 is a hot trial to watch
Respiratory Syncytial Virus Infections is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07482657 is notable because it evaluates Zelicapavir in a Phase 2 design sponsored by Enanta 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 | NCT07482657 |
| Official title | A Phase 2 Study to Investigate the Efficacy and Safety of Zelicapavir in Participants Aged ≥28 Days to ≤36 Months of Age Infected With Respiratory Syncytial Virus |
| Phase / status | Phase 2 / Recruiting |
| Intervention | Zelicapavir |
| Sponsor | Enanta Pharmaceuticals, Inc. |
| Geography | Thailand |
| Enrollment | not reported |
| Primary endpoint | Time to complete resolution of clinical signs of RSV as measured by RESOLVE-P |
| Endpoint time frame | Day 1 through Day 14 |
| Primary completion / readout proxy | not reported |
Protocol design and endpoint interpretation
Zelicapavir is a novel, orally administered, nonfusion replication inhibitor of RSV. It is being investigated in this Phase 2 study (EDP 938-203) as a potential treatment for RSV infection in both hospitalized and non-hospitalized children aged ≥28 days to ≤36 months who present with symptomatic RSV infection.
Allocation is Randomized, masking is Triple, and the intervention model is Parallel Assignment. Planned enrollment was not reported; study geography in Thailand 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.
- Time to complete resolution of clinical signs of RSV as measured by RESOLVE-P(Day 1 through Day 14)
Readout outlook and evidence gap
The current protocol points to not reported 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.
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Asset and sponsor context
Drug & Asset MCP profile: Zelicapavir 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: Enanta Pharmaceuticals, Inc. is resolved to a normalized organization record in MIDDLESEX 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
NCT07482657 provides a focused lens on Respiratory Syncytial Virus Infections development. Its value will be determined by whether Zelicapavir can convert the current Phase 2 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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