deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT03030599

A Study of the Efficacy and Safety of JZP-258 in Subjects With Narcolepsy With Cataplexy

A Double-Blind, Placebo-Controlled, Randomized-Withdrawal, Multicenter Study of the Efficacy and Safety of JZP-258 in Subjects With Narcolepsy With Cataplexy

Sponsor: Jazz Pharmaceuticals

Conditions Narcolepsy With Cataplexy
Interventions JZP-258 Placebo
Updated 24 times since 2017 Last updated: Nov 10, 2020 Started: Mar 14, 2017 Primary completion: Jan 24, 2019 Completion: Jul 10, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03030599, this PHASE3 trial focuses on Narcolepsy With Cataplexy and remains completed. Sponsored by Jazz Pharmaceuticals, it has been updated 24 times since 2017, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Feb 2017 – ~Apr 2017 · 59 days · monthly snapshot~Apr 2017 – ~May 2017 · 30 days · monthly snapshot~May 2017 – ~Jul 2017 · 2 months · monthly snapshot~Jul 2017 – ~Sep 2017 · 2 months · monthly snapshot~Sep 2017 – ~Oct 2017 · 30 days · monthly snapshot~Oct 2017 – ~Dec 2017 · 2 months · monthly snapshot~Dec 2017 – ~Mar 2018 · 3 months · monthly snapshot~Mar 2018 – ~Apr 2018 · 31 days · monthly snapshot~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshot~Jun 2018 – ~Aug 2018 · 2 months · monthly snapshot~Aug 2018 – ~Dec 2018 · 4 months · monthly snapshot~Dec 2018 – ~May 2019 · 5 months · monthly snapshot~May 2019 – ~Jun 2019 · 31 days · monthly snapshot~Jun 2019 – ~Aug 2019 · 2 months · monthly snapshot~Aug 2019 – ~Sep 2019 · 31 days · monthly snapshot~Sep 2019 – ~Oct 2019 · 30 days · monthly snapshot~Oct 2019 – ~Mar 2020 · 5 months · monthly snapshot~Mar 2020 – ~Jul 2020 · 4 months · monthly snapshot~Jul 2020 – ~Dec 2020 · 5 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

24 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE3

  5. Dec 2020 — Jan 2021 [monthly]

    Completed PHASE3

▶ Show 19 earlier versions

  1. Jul 2020 — Dec 2020 [monthly]

    Completed PHASE3

  2. Mar 2020 — Jul 2020 [monthly]

    Completed PHASE3

  3. Oct 2019 — Mar 2020 [monthly]

    Completed PHASE3

  4. Sep 2019 — Oct 2019 [monthly]

    Completed PHASE3

    Status: Active Not Recruiting → Completed

  5. Aug 2019 — Sep 2019 [monthly]

    Active Not Recruiting PHASE3

  6. Jun 2019 — Aug 2019 [monthly]

    Active Not Recruiting PHASE3

  7. May 2019 — Jun 2019 [monthly]

    Active Not Recruiting PHASE3

  8. Dec 2018 — May 2019 [monthly]

    Active Not Recruiting PHASE3

    Status: Recruiting → Active Not Recruiting

  9. Aug 2018 — Dec 2018 [monthly]

    Recruiting PHASE3

  10. Jun 2018 — Aug 2018 [monthly]

    Recruiting PHASE3

  11. Apr 2018 — Jun 2018 [monthly]

    Recruiting PHASE3

  12. Mar 2018 — Apr 2018 [monthly]

    Recruiting PHASE3

  13. Dec 2017 — Mar 2018 [monthly]

    Recruiting PHASE3

  14. Oct 2017 — Dec 2017 [monthly]

    Recruiting PHASE3

  15. Sep 2017 — Oct 2017 [monthly]

    Recruiting PHASE3

  16. Jul 2017 — Sep 2017 [monthly]

    Recruiting PHASE3

  17. May 2017 — Jul 2017 [monthly]

    Recruiting PHASE3

  18. Apr 2017 — May 2017 [monthly]

    Recruiting PHASE3

    Status: Not Yet Recruiting → Recruiting

  19. Feb 2017 — Apr 2017 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Jazz Pharmaceuticals
Data source: Jazz Pharmaceuticals

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Barcelona, Spain , Boulder, United States , Castelló, Spain , Chevy Chase, United States , Cincinnati, United States , Cleveland, United States , Edegem, Belgium , Fort Wayne, United States , Gastonia, United States , Ghent, Belgium and 13 more locations