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JZP047

Phase 1

Undisclosed | Small molecule | Other |Jazz Pharmaceuticals plc|Trials Updated: Apr 20, 2026

JZP047 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Jan 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment86

FDA Designations

No designations recorded

JZP047 clinical trials

JZP047 · 1 trial · 1 indication

Phase 1 1
NCT07377539A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Food Effect of JZP047 in Healthy ParticipantsHealthy Participants
RECRUITING86 Analytics
PHASE1RECRUITING
A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Food Effect of JZP047 in Healthy Participants
Healthy ParticipantsUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants Reporting Treatment-emergent Adverse Events (Part A)
Baseline up to Day 90
Number of Participants Reporting Treatment-emergent Adverse Events (Part B)
Baseline up to Day 90
Number of Participants Who Discontinued The Study (Part A)
Baseline up to Day 90
Number of Participants Who Discontinued The Study (Part B)
Baseline up to Day 90
Pharmacokinetic Parameter Maximum Concentration (Part A)
Up to 90 days
Pharmacokinetic Parameter Time to Maximum Concentration and Time Before the Start of Absorption (Part A)
Up to 90 days
Pharmacokinetic Parameter Terminal Elimination Half-life (Part A)
Up to 90 days
Pharmacokinetic Parameter Terminal Elimination Rate Constant (Part A)
Up to 90 days
Pharmacokinetic Parameter Volume of Distribution During Terminal Phase (Part A)
Up to 90 days
Pharmacokinetic Parameter Oral Clearance (Part A)
Up to 90 days
Pharmacokinetic Parameter Area Under the Concentration-Time Curve (Part A)
Up to 90 days

Area under the concentration-time curve from time 0 to 24 (AUC0-24), 0 to last measurable concentration (AUClast), and 0 to infinity (AUC∞) will be assessed.

Pharmacokinetic Parameter Percentage of The Area Under the Concentration-Time Curve From Time Infinity Due to Extrapolation From The Last Quantifiable Concentration to Time Infinity (Part A)
Up to 90 days

Secondary Endpoints

Dose Proportionality of JZP047 Cmax (Part A)
Up to 90 days
Dose Proportionality of JZP047 AUC0-last and AUC∞
Up to 90 days
The Effect of Food On The Single Dose PK of JZP047 Cmax
Up to 90 days
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: JZP047EXPERIMENTALHealthy participants who are randomized to JZP047.
Part A: PlaceboPLACEBO_COMPARATORHealthy participants who are randomized to placebo.
Part B: JZP047EXPERIMENTALHealthy participants who will receive JZP047.

Interventions

NameTypeDescription
JZP047DRUGSingle dose
PlaceboOTHERSingle dose
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Participants are eligible to be included in the study only if all of the following criteria apply: 1. Healthy participants 18 to 55 years of age, willing and able to comply with study requirements. 2. Male participants are eligible to participate if they agree to the following during the study inte...

Countries:United States
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Frequently asked questions about JZP047

What is JZP047?

JZP047 is an investigational small molecule drug being developed by Jazz Pharmaceuticals plc. It is currently in Phase 1 clinical development, with a single active trial evaluating it in healthy adult participants. No therapeutic indication for JZP047 has been disclosed.

Who makes JZP047?

JZP047 is being developed by Jazz Pharmaceuticals plc, which trades on the Nasdaq under the ticker JAZZ. The company is the sponsor of the Phase 1 study of JZP047 in healthy participants.

What phase is JZP047 in?

JZP047 is in Phase 1 clinical development. It has one active, recruiting trial and no completed trials. JZP047 is investigational and has not been approved by the FDA for any indication.

What clinical trials is JZP047 in?

JZP047 is being studied in one Phase 1 trial, NCT07377539, titled A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Food Effect of JZP047 in Healthy Participants. The trial is recruiting in the United States and is expected to enroll 86 healthy volunteers aged 18 years and older.

How is the JZP047 Phase 1 trial designed?

The JZP047 Phase 1 trial NCT07377539 is a randomized, double-blind, placebo-controlled study in healthy participants. It is designed to assess safety, tolerability, pharmacokinetics, and food effect, and it plans to enroll 86 participants across both sexes in the United States.