Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00423605 · ClinicalTrials.gov registry record · Phase 3

Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia.

A Phase 3 study, sponsored by Jazz Pharmaceuticals.

Completed
Registry status
Phase 3
Development phase
560
Enrollment target

NCT00423605: Completed Phase 3 study, sponsored by Jazz Pharmaceuticals.

NCT00423605 is a Phase 3 study that has completed, run by Jazz Pharmaceuticals. The registered enrollment target is 560 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (27% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00423605, a Phase 3 study, has completed, sponsored by Jazz Pharmaceuticals.

COMPLETED
Registry status
Phase 3
Development phase
560 participants
Enrollment target

Study Summary

The objective of this trial is to evaluate the safety and efficacy of Xyrem® in long term use.

Primary Outcome

Number of subjects reporting adverse events.

Interventions

  • DRUG Xyrem®

Trial Details

FieldValue
Enrollment Target 560 participants
Start Date 2006-12
Est. Completion 2010-01
Phase Phase 3
Jazz Pharmaceuticals

128 total trials

What the finished NCT00423605 record still lists

NCT00423605 is an interventional study that assigns participants to a tested intervention. The registered 560 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (27% lower).

The record links to 0 conditions, and to 1 intervention - of which Xyrem® is the first listed.

NCT00423605 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00423605 about?

NCT00423605 is a clinical study titled "Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia.". The objective of this trial is to evaluate the safety and efficacy of Xyrem® in long term use.

What is the current status of trial NCT00423605?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 560 participants. The study started on 2006-12. Estimated completion is 2010-01.

What interventions are being tested in trial NCT00423605?

The interventions under investigation include: Xyrem® (DRUG).

Who is sponsoring clinical trial NCT00423605?

This trial is sponsored by Jazz Pharmaceuticals, which has 128 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00423605's enrollment target sits among peer trials

560 671st of 2000 higher than 1,328 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT04661358 · 560 participants · Phase 3

    Fenofibrate for Prevention of DR Worsening

  • NCT05473871 · 560 participants · NA

    Enhancing Capacity in Churches to Implement PA Programs

  • NCT06001541 · 560 participants · NA

    Web-based Program to Improve Self-management Among Veterans-caregiver Dyads

  • NCT06246916 · 560 participants · Phase 3

    A Study With Combinations of Anti-LAG-3 and Anti-PD-1 Antibodies in Adult Participants With Advanced or Metastatic Melanoma (Harmony Head-to-Head)

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00423605, the US trial registry maintained by the National Library of Medicine. NCT00423605 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.