Clinical Trials

Clinical Trials

We have an unwavering commitment to improving care for patients with serious medical conditions through ongoing clinical development programs.

To learn more about clinical trials that are currently underway and to find out if a study is enrolling patients in your area or with your condition, please visit

The results of certain applicable Jazz clinical trials are also available at

As part of Jazz’s commitment to putting patients first, we are providing plain language summaries for certain clinical trials. These plain language summaries provide clinical trial results in an easy-to-understand format so all patients can obtain more information on the study results. Learn more about our study results.


Study in Acute Lymphoblastic Leukemia/Lymphoblastic Lymphoma

This is a Phase 2/3 Clinical Study evaluating the investigational medication JZP-458 for the treatment for pediatric and adult patients with acute lymphoblastic leukemia (ALL) or lymphoblastic lymphoma (LBL) who are hypersensitive to E. coli-derived asparaginases. For more information, and to find out if a site is enrolling patients near you, please contact


Study in of the efficacy of Solriamfetol in people with sleep apnea who are still sleepy after treatment.

This is a Phase 4 Clinical Study investigating a study medication (solriamfetol) currently approved by FDA and the European Commission. The study is enrolling people who have excessive daytime sleepiness associated with obstructive sleep apnea (OSA) as well as cognitive difficulties (e.g. memory, attention, and concentration). The goal of this study is to evaluate whether the study medication will improve these cognitive difficulties. For more information, and to find out if a site is enrolling patients near you, please contact

Observational study for persons with narcolepsy who are transitioning their medication from Xyrem to Xywav.

This is a patient-centric, virtual study examining the impact of transitioning from Xyrem to Xywav in a real-world setting. The purpose of the study is to observe the dosing practices during the transition, and learn more about the safety and tolerability of the medication, as well as overall treatment satisfaction. Self-reported information is collected through web-based questionnaires. For more details about this study or to enroll, please visit