NCT07625280 Sodium Oxybate/Potassium Oxybate/Calcium Oxybate/Magnesium Oxybate Narcolepsy Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07625280 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: 22 July 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07625280 is a hot trial to watch
Narcolepsy is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07625280 is notable because it evaluates Sodium Oxybate/Potassium Oxybate/Calcium Oxybate/Magnesium Oxybate in a Phase 3 design sponsored by Jazz Pharmaceuticals Plc. 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 | NCT07625280 |
| Official title | A Study Evaluating the Efficacy and Safety of Xywav Expanded Dosing vs Placebo in Participants With Narcolepsy or IH (XYRISE) |
| Phase / status | Phase 3 / Not yet recruiting |
| Intervention | Sodium Oxybate/Potassium Oxybate/Calcium Oxybate/Magnesium Oxybate |
| Sponsor | Jazz Pharmaceuticals Plc |
| Geography | United States |
| Enrollment | [object Object] |
| Primary endpoint | Change in Epworth Sleepiness Scale (ESS) scores |
| Endpoint time frame | End of stable dose visit (up to Week 14), up to end of Double-Blind Randomized-Withdrawal Period (up to Week 16) |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
The purpose of this study is to evaluate the efficacy and safety of expanded Xywav dosing regimens in adult participants with narcolepsy or idiopathic hypersomnia (IH).
Allocation is Randomized, masking is Quadruple, and the intervention model is Parallel Assignment. Planned enrollment of [object Object] participants across United States 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.
- Change in Epworth Sleepiness Scale (ESS) scores (End of stable dose visit (up to Week 14), up to end of Double-Blind Randomized-Withdrawal Period (up to Week 16)) — ESS is a self-administered questionnaire with 8 questions. Each question is scored on a scale ranging from 0 (would never fall asleep) to 3 (high chance of falling asleep). It has a total score ranging from 0 to 24, with a higher score representing increased daytime sleepiness.
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.
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Asset and sponsor context
Drug & Asset MCP profile: Sodium Oxybate/Potassium Oxybate/Calcium Oxybate/Magnesium Oxybate 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: Jazz Pharmaceuticals Plc is resolved to a normalized organization record in Ireland. 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
NCT07625280 provides a focused lens on Narcolepsy development. Its value will be determined by whether Sodium Oxybate/Potassium Oxybate/Calcium Oxybate/Magnesium Oxybate can convert the current Phase 3 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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