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Study details
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A Study of JZP815 Oral Capsules

Jazz Pharmaceuticals
NCT IDNCT05557045ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

332

Study length

about 5.5 years

Ages

18+

Locations

14 sites in CO, FL, IL +6

What this study is about

This trial is testing a treatment called JZP815 in adults with advanced or metastatic solid tumors that have changes in the MAPK pathway. The goal is to learn about its safety, how it works in the body (pharmacokinetics), and if it can kill cancer cells (antitumor activity).

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take JZP815

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Primary: Change From Baseline in Absolute Neutrophil Count (Part A and B), Change From Baseline in Alanine Aminotransferase (Part A and B), Change From Baseline in Aspartate Aminotransferase (Part A and B), Change From Baseline in Blood Pressure (Part A and B), Change From Baseline in Creatinine (Part A and B), Change From Baseline in Heart Rate (Part A and B), Change From Baseline in Hematocrit (Part A and B), Change From Baseline in Hemoglobin (Part A and B)

Secondary: Objective Response Rate (as Defined by RECIST v1.1) (Part A), Overall Survival (Part B), Pharmacokinetic Parameter Accumulation Ratio of JZP815 and its Metabolites (Part A), Pharmacokinetic Parameter Apparent Terminal Elimination Half-life (t1/2) of JZP815 and its Metabolites (Part A), Pharmacokinetic Parameter Apparent Volume of Distribution During Terminal Phase (Vz/F) of JZP815 (Part A), Pharmacokinetic Parameter Area Under the Concentration-Time Curve (AUC) of JZP815 and its Metabolites (Part A), Pharmacokinetic Parameter Clearance (CL/F) of JZP815 (Part A), Pharmacokinetic Parameter Maximum Plasma Concentration (Cmax) Levels of JZP815 and its Metabolites (Part A)

Body systems

Oncology