NCT04803786

Brief Summary

The rationale for the patient-centric, prospective, observational, non-interventional study design of JZP258-402 is to evaluate the transition experience of participants with narcolepsy treated with oxybate and to examine the impact of transitioning from Xyrem to Xywav in a real-world setting.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
110

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Apr 2021

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 9, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

March 18, 2021

Completed
22 days until next milestone

Study Start

First participant enrolled

April 9, 2021

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 24, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 24, 2022

Completed
Last Updated

June 30, 2022

Status Verified

June 1, 2022

Enrollment Period

11 months

First QC Date

March 9, 2021

Last Update Submit

June 27, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of Participants with Increased/Decreased/Same Dose Transitioning from Xyrem to Xywav

    • Difference between usual Xyrem total nightly dose and initial prescribed total nightly Xywav dose.

    Baseline to 21 Weeks

Secondary Outcomes (2)

  • Number Prescribed Dose Adjustments of Xywav

    Baseline to 21 Weeks

  • Duration of Time Between the Last Meal Relative to Dosing

    Baseline to 21 Weeks

Other Outcomes (9)

  • Time to Achieve Stable Dose of Xywav

    Baseline to 21 Weeks

  • Number of Participants Achieving Treatment Adherence

    Baseline to 21 Weeks

  • Number of Participants Who Discontinued Xywav Administration

    Baseline to 21 Weeks

  • +6 more other outcomes

Study Arms (1)

Transition from Xyrem to Xywav

Drug: Transition from Xyrem to Xywav

Interventions

This is a single-group non-interventional study where participant's transitioning from Xyrem to Xywav will be observed. Investigational product (IP) or drug support or requested changes to their medication will not be provided to participants by Jazz Pharmaceuticals. The Xyrem and Xywav that the participants will take will be provided by the participant's health care provider.

Transition from Xyrem to Xywav

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Male or female asges 18 years and older with diagnosis of type 1 or type 2 narcolepsy. On an active prescription for Xyrem with stable treatment for at least 2 consecutive months.

You may qualify if:

  • Male or female, aged 18 years or older
  • Diagnosis of type 1 or type 2 narcolepsy by a physician
  • Active prescription for Xyrem with a stable treatment regimen for at least 2 consecutive months
  • Transitioning from Xyrem to Xywav within the next or past 7 days (- 7 days or + 7 days from the first dose of Xywav)
  • Able to read and understand English
  • Able to access to a computer/smart phone with internet connection
  • Not currently a Jazz Pharmaceuticals employees or an immediate family member of a Jazz employee
  • Willing and able to comply with the study schedule
  • Willing and able to provide electronically written informed consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Jazz Pharmaceuticals Clinical Site

Palo Alto, California, 94304, United States

Location

MeSH Terms

Conditions

Narcolepsy

Condition Hierarchy (Ancestors)

Disorders of Excessive SomnolenceSleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 9, 2021

First Posted

March 18, 2021

Study Start

April 9, 2021

Primary Completion

February 24, 2022

Study Completion

February 24, 2022

Last Updated

June 30, 2022

Record last verified: 2022-06

Data Sharing

IPD Sharing
Will not share

Locations