Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 1 Interventional Accepts healthy volunteers

A Multiple Ascending Dose Study to Investigate the Safety, Tolerability, and Pharmacokinetics of JZP441 in Healthy Participants

ClinicalTrials.gov ID: NCT05720494

Public ClinicalTrials.gov record NCT05720494. 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.

ClinicalTrials.gov public records Last synced Sep 11, 2026, 5:13 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Safety, Tolerability, and Pharmacokinetics of Multiple Ascending Doses of JZP441 in Healthy Adult Participants: A Double-Blind, Randomized, Placebo-Controlled Phase 1 Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Treatments for narcolepsy and hypersomnolence disorders should have good oral bioavailability and brain penetration properties. JZP441 has demonstrated wake-promoting efficacy and anticataplectic activity in nonclinical studies and may represent a novel approach for these patients.

Study identification

NCT ID
NCT05720494
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Jazz Pharmaceuticals
Industry
Enrollment
24 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 50 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 25, 2023
Primary completion
Sep 28, 2023
Completion
Sep 28, 2023
Last update posted
Sep 30, 2024

2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Clinical Site 1 Salt Lake City Utah 84124

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 NCT05720494, 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 Sep 30, 2024 · Synced Sep 11, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05720494 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →