Jazz Pharmaceuticals
Trial Pipeline
Study of ONC206 (JZP3507) in Advanced Pheochromocytoma and Paraganglioma
NCT07282587
A Study to Evaluate the Efficacy and Safety of Cannabidiol Oral Solution (CBD-OS [GWP42003-P, JZP926]) for the Treatment of Focal-Onset Seizures
NCT07233239
A Phase 2 Neoadjuvant Study of Zanidatamab in Combination With Chemotherapy in Participants With HER2-positive Breast Cancer
NCT07102381
Pregnancy Surveillance Program of Patients Exposed to Epidiolex/Epidyolex During Pregnancy
NCT06113237
A Study to Investigate Efficacy, Safety, Tolerability, and Pharmacokinetics of JZP441 Compared With Placebo in Participants With Narcolepsy Type 1
NCT06961266
A Phase 2 Study of Zanidatamab in Patients With HER2-expressing Tumors
NCT06695845
A Study Comparing the Efficacy and Safety of Zanidatamab to Trastuzumab, Each in Combination With Physician's Choice Chemotherapy, for the Treatment of Participants With Metastatic HER2-positive Breast Cancer
NCT06435429
Efficacy and Safety of Zanidatamab With Standard-of-care Therapy Against Standard-of-care Therapy for Advanced HER2-positive Biliary Tract Cancer
NCT06282575
JZP898 Intravenous Infusion as Monotherapy and Combination With Pembrolizumab in Adults With Advanced/Metastatic Solid Tumors
NCT06108050
Study of Lurbinectedin Monotherapy in Pediatric and Young Adult Participants With Relapsed/Refractory Ewing Sarcoma
NCT05734066
ONC201 in H3 K27M-mutant Diffuse Glioma Following Radiotherapy (the ACTION Study)
NCT05580562
A Study of JZP815 Oral Capsules in Adult Participants With Advanced or Metastatic Solid Tumors Harboring Mitogen Activated Protein Kinase (MAPK) Pathway Alterations to Investigate the Safety, Dosing, and Antitumor Activity of JZP815
NCT05557045
Phase I Study of Oral ONC206 in Recurrent and Rare Primary Central Nervous System Neoplasms
NCT04541082
Child and Adolescent Registry for Participants With Narcolepsy
NCT04899947
A Study to Investigate Behavioral and Other Co-Occurring Outcomes With Epidiolex as Add-On Therapy in Participants Aged 1 to 65 Years of Age With Tuberous Sclerosis Complex
NCT05864846
Assessment of Potential for Chronic Liver Injury in Participants Treated With Epidiolex (Cannabidiol) Oral Solution
NCT05044819
A Switch Study From High-Sodium Oxybate to XYWAV to Evaluate Changes in Blood Pressure in Participants With Narcolepsy
NCT05869773
A Multiple Ascending Dose Study to Investigate the Safety, Tolerability, and Pharmacokinetics of JZP441 in Healthy Participants
NCT05720494
A Study To Assess the Safety and Efficacy of JZP385 in the Treatment of Adults With Moderate to Severe Essential Tremor (ET)
NCT05122650
To Assess the Effectiveness and Safety of Zepzelca in Adult Patients With Extensive Stage Small Cell Lung Cancer (SCLC)
NCT04894591
A Study of ZW25 (Zanidatamab) With Palbociclib Plus Fulvestrant in Patients With HER2+/HR+ Advanced Breast Cancer
NCT04224272
A Safety and Efficacy Study of ZW25 (Zanidatamab) Plus Combination Chemotherapy in HER2-expressing Gastrointestinal Cancers, Including Gastroesophageal Adenocarcinoma, Biliary Tract Cancer, and Colorectal Cancer
NCT03929666
CX-8998 for Absence Seizures
NCT03406702
Study Comparing Efficacy and Safety of Defibrotide vs Best Supportive Care in the Prevention of Hepatic Veno-Occlusive Disease in Adult and Pediatric Patients
NCT02851407
"Twelve-week Study of the Safety and Efficacy of JZP-110 in the Treatment of Excessive Sleepiness in OSA"
NCT02348606
A Study to Investigate the Efficacy and Safety of Cannabidiol (GWP42003-P; CBD) as Adjunctive Treatment for Seizures Associated With Lennox-Gastaut Syndrome in Children and Adults
NCT02224690
A Multicenter Study of the Efficacy and Safety of Xyrem With an Open- Label Pharmacokinetic Evaluation and Safety Extension in Pediatric Subjects With Narcolepsy With Cataplexy
NCT02221869
Ph I Safety and Efficacy of ODSH in Patients Receiving Induction or Consolidation Therapy for Acute Myeloid Leukemia
NCT01843634
Assessment of the Single Dose Pharmacokinetics and Tolerability of Sativex in Patients With Impaired Hepatic Function and Healthy Patients
NCT01887301
Phase III Study of CPX-351 Versus 7+3 in Patients 60-75 Years Old With Untreated High Risk (Secondary) Acute Myeloid Leukemia
NCT01696084
A Study of the Safety and Effectiveness of ADX-N05 for Excessive Daytime Sleepiness in Subjects With Narcolepsy
NCT01681121
A Study of the Safety and Effectiveness of ADX-N05 in the Treatment of Excessive Daytime Sleepiness
NCT01485770
Sativex® for Relieving Persistent Pain in Patients With Advanced Cancer
NCT01361607
A Safety, Tolerability and Pharmacokinetic Study of a Single Dose of CMX157 in Healthy Volunteers
NCT01080820
Study of Intranasal Clonazepam in Adult Subjects With Epileptic Seizures
NCT00594945
Defibrotide for Patients With Hepatic Veno-occlusive Disease: A Treatment IND Study
NCT00628498
Multicenter Study of CPX-351(Cytarabine:Daunorubicin) Liposome Injection in Patients With Advanced Hematologic Cancer.
NCT00389428
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 11 |
| Phase 2 | 10 |
| Phase 3 | 10 |
| Phase 4 | 3 |
Therapeutic Areas
What the Pipeline for Jazz Pharmaceuticals Shows
According to the ClinicalTrials.gov registry, Jazz Pharmaceuticals is linked to 37 US clinical trials across every stage of research activity. Of those, 14 studies are currently recruiting — about 38% of the sponsor's indexed portfolio — and 21 are already marked complete, representing roughly 57% of the total. Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
The phase mix for Jazz Pharmaceuticals reports 13 late-stage studies (Phase 3 and Phase 4 combined) and 21 earlier-phase studies (Phase 1 and Phase 2). A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work — safety, dosing, and early signal detection — and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
The top therapeutic focus area indexed for Jazz Pharmaceuticals is Narcolepsy with 5 linked trials, and 9 other condition areas appear in the top list above. That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice — verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology — how this data is sourced, computed, and verified.