Jazz Pharmaceuticals

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, Jazz Pharmaceuticals sits in the top decile of US sponsors by registered trial count (#212 of 15,742 sponsors by registered trial count).

128 total trials 15 currently recruiting 81 completed top decile by trial count

Jazz Pharmaceuticals: 128 sponsored US clinical trials, 15 recruiting.

Jazz Pharmaceuticals sponsors 128 registered US clinical trials on ClinicalTrials.gov, 15 of them currently recruiting, and 81 completed. 50 of these trials are in Phase 3-4 (later-stage) and 69 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Narcolepsy, with 5 trials.

Top-decile sponsor footprint

Jazz Pharmaceuticals ranks in the top decile of sponsors by registered trial count (#212 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

F 27/100

81 of 108 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (75.0%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Open and recent trials

128 total, page 3 of 3

COMPLETED Phase 3

Sativex® for Relieving Persistent Pain in Patients With Advanced Cancer

NCT01361607

COMPLETED Phase 1

Safety and Pharmacokinetics of CMX001 in Impaired Hepatic Function and Healthy Subjects

NCT05391724

COMPLETED Phase 3

Long Term Safety of Sativex Oromucosal Spray (Sativex®; Nabiximols) as Adjunctive Therapy in Patients With Uncontrolled Persistent Chronic Cancer Related Pain

NCT01337089

COMPLETED Phase 3

Study to Assess Brincidofovir Treatment of Serious Diseases or Conditions Caused by Double-stranded DNA Viruses

NCT01143181

COMPLETED Phase 2

Phase 2 Study to Evaluate Brincidofovir for the Prevention of Adenovirus Disease

NCT01241344

TERMINATED Phase 1

Pilot/Ph I Safety and Efficacy of ODSH in Protein Losing Enteropathy Secondary to Single Ventricle Palliative Surgery

NCT01161641

COMPLETED Phase 1

A Safety, Tolerability and Pharmacokinetic Study of a Single Dose of CMX157 in Healthy Volunteers

NCT01080820

COMPLETED Phase 3

Safety and Tolerability Study Comparing Sodium Oxybate Given as an Oral Solution to a Single-blinded Combination of Oral Tablets Plus Oral Solution in Subjects With Fibromyalgia

NCT00803023

COMPLETED Phase 1

CMX001 in Post-transplant Patients With BK Virus Viruria

NCT00793598

COMPLETED Phase 2

Study of CMX001 to Prevent/Control Cytomegalovirus Infection in R+ Hematopoietic Stem Cell Transplant Recipients

NCT00942305

COMPLETED Phase 2

Trial of CPX-351 in Adult Patients With First Relapse Acute Myeloid Leukemia (AML)

NCT00822094

COMPLETED Phase 1

Comparative Bioavailability and Effect of Food on CMX001 in Healthy Volunteers

NCT00780182

COMPLETED Phase 2

Trial of CPX-351 in Newly Diagnosed Elderly AML Patients

NCT00788892

COMPLETED Phase 2

Study of Intranasal Clonazepam in Adult Subjects With Epileptic Seizures

NCT00594945

COMPLETED Phase 3

Defibrotide for Patients With Hepatic Veno-occlusive Disease: A Treatment IND Study

NCT00628498

COMPLETED Phase 2

Multiple-dose,Double-blind,Placebo-controlled Study of Sodium Oxybate in Patients With Essential Tremor

NCT00598078

TERMINATED Phase 2

A Study Designed to Evaluate ODSH in Subjects With Exacerbations of COPD

NCT00457951

COMPLETED Phase 3

A Safety and Efficacy Study of Xyrem® (Sodium Oxybate) to Treat Fibromyalgia.

NCT00423813

COMPLETED Phase 3

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

NCT00423605

COMPLETED Phase 1

Multicenter Study of CPX-351(Cytarabine:Daunorubicin) Liposome Injection in Patients With Advanced Hematologic Cancer.

NCT00389428

COMPLETED Phase 3

A Safety and Efficacy Study of Xyrem® in Subjects With Fibromyalgia

NCT00371137

COMPLETED Phase 3

Defibrotide for the Treatment of Severe Hepatic Veno-Occlusive Disease in Hematopoetic Stem Cell Transplant Patients

NCT00358501

COMPLETED Phase 2

Multicenter Study Of CPX-1 (Irinotecan HCl: Floxuridine) Liposome Injection In Patients With Advanced Colorectal Cancer

NCT00361842

COMPLETED Phase 3

A Long-Term Study Continuing on From Study 04-001-01 of an Experimental Medication in Adults With Anxiety Disorder

NCT00106860

COMPLETED Phase 3

Experimental Medication For the Treatment of Generalized Anxiety Disorder

NCT00097708

COMPLETED Phase 2

Trial Comparing the Effects of Xyrem (Sodium Oxybate) With Placebo for the Treatment of Fibromyalgia

NCT00087555

COMPLETED Phase 4

Trial of Effects of Oral Xyrem and Zolpidem on Sleep-Disordered Breathing in Obstructive Sleep Apnea Patients

NCT00086281

COMPLETED Phase 3

Trial Comparing Effects of Xyrem Taken Orally and Modafinil With Placebo in Treating Daytime Sleepiness in Narcolepsy

NCT00066170

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What is open in the Jazz Pharmaceuticals pipeline

15 recruiting of 128 indexed (12% open); 81 completed (63%).

Phase mix: 50 late (III/IV) vs 69 early (I/II) (balanced across stages).

Top condition: Narcolepsy (5 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Jazz Pharmaceuticals: open-pipeline peers nationwide

Peers matched on 128 registered trials and 12% open enrollment, not the therapeutic-area sidebar.

Jazz Pharmaceuticals sits at or above the median trial volume and below the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 050100150 10%20%30%40%50% Total trials Recruiting share Jazz PharmaceuticalsUniversity of Illinois at Urbana-ChampaignStony Brook UniversityRhode Island HospitalThe Methodist Hospital Research InstituteCochlearErchonia CorporationHutchmedInternational Maternal Pediatric Adolescent AIDS Clinical Trials Group
Jazz Pharmaceuticals sits at or above the median trial volume and below the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Jazz Pharmaceuticals sits at or above the median trial volume and below the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 128 trials (± recruiting share)

Sponsors near 12% open enrollment (± trial volume)

What to do with this Jazz Pharmaceuticals page

128 registered trials is a research-attention snapshot, not an endorsement of Jazz Pharmaceuticals or any single study.

  • 15 of Jazz Pharmaceuticals's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Narcolepsy is the condition Jazz Pharmaceuticals studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Narcolepsy trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Jazz Pharmaceuticals pipeline card: 128 registered trials from official public datasets.Report a data error.