A Study to Investigate Efficacy, Safety, Tolerability, and Pharmacokinetics of JZP441 Compared With Placebo in Participants With Narcolepsy Type 1
Public ClinicalTrials.gov record NCT06961266. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1b, Randomized, Double-blind, Sponsor-Unblinded, Placebo-Controlled 4-Way Crossover Study to Evaluate Efficacy, Safety, Tolerability, and Pharmacokinetics of JZP441 in Participants With Narcolepsy Type 1
Study identification
- NCT ID
- NCT06961266
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Jazz Pharmaceuticals
- Industry
- Enrollment
- 6 participants
Conditions and interventions
Conditions
Interventions
- JZP441 Drug
- Matching Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 64 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 12, 2025
- Primary completion
- Jan 28, 2026
- Completion
- Jan 28, 2026
- Last update posted
- Apr 5, 2026
2025 – 2026
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Trial Site | Atlanta | Georgia | 30328 | — |
| Clinical Trial Site | Cincinnati | Ohio | 45245 | — |
| Clinical Trial Site | Columbia | South Carolina | 29201 | — |
| Clinical Trial Site | Austin | Texas | 78731 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06961266, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 5, 2026 · Synced May 19, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06961266 live on ClinicalTrials.gov.