Actively Recruiting

Phase 1
Phase 2
Age: 10Years +
All Genders
NCT05918640

Lurbinectedin in FET-Fused Tumors

Led by Children's Hospital of Philadelphia · Updated on 2026-03-31

63

Participants Needed

6

Research Sites

261 weeks

Total Duration

On this page

Sponsors

C

Children's Hospital of Philadelphia

Lead Sponsor

J

Jazz Pharmaceuticals

Collaborating Sponsor

AI-Summary

What this Trial Is About

The purpose of this study is to find out if a drug called lurbinectedin (the "study drug") is safe and effective at treating people with recurrent or relapsed solid tumors, including Ewing sarcoma.

CONDITIONS

Official Title

Lurbinectedin in FET-Fused Tumors

Who Can Participate

Age: 10Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 10 years or older
  • For Phase 1: Confirmed recurrent or relapsed solid tumor with known FET fusion (EWSR1, FUS, or TAF15) documented by genetic testing
  • For Phase 1: Patients with Ewing sarcoma with EWS-FLI1 eligible for dose escalation; patients with alternative FET-ETS fusions eligible for exploratory cohort
  • For Phase 2: Confirmed recurrent or relapsed Ewing sarcoma with EWS-FLI1 fusion confirmed by genetic testing and available tissue for central confirmation
  • ECOG Performance Status of 0 or 1 for patients older than 16 years, or Lansky score of at least 70 for patients younger than 16 years
  • At least one measurable or evaluable disease site on CT or MRI within 28 days before treatment
  • Adequate liver, kidney, bone marrow, muscle, and cardiac function as defined by specific laboratory and clinical criteria
  • Written, voluntary informed consent
  • Fertile participants must agree to use effective birth control during and after the study
  • Patients 18 years or older must be willing to undergo tumor biopsy at study entry; Ewing sarcoma or DSRCT patients must be willing to undergo biopsy post-treatment or have archival tissue available
  • Sufficient time elapsed since previous therapies (ranging from 2 weeks to 6 months, depending on therapy type)
  • Recovery to baseline or Grade 1 or less from prior treatment side effects except alopecia and decreased reflexes
Not Eligible

You will not qualify if you...

  • Prior treatment with trabectedin or lurbinectedin
  • Known brain metastases
  • Known bleeding disorders
  • Pregnancy or breastfeeding
  • Currently receiving another investigational drug or anticancer agent
  • Use of over-the-counter or herbal supplements with potential liver toxicity
  • Use of strong or moderate CYP3A4 inhibitors or inducers within 14 days before study drug
  • Serious unrelated illness or uncontrolled infection that may interfere with study participation
  • Inability or likely inability to comply with study safety monitoring
  • Active viral hepatitis (A, B, or C)
  • For Desmoplastic Small Round Cell Tumor (DSRCT) patients, enrollment restricted until at least 3 non-DSRCT patients have enrolled without dose limiting toxicity

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 6 locations

1

Cedars-Sinai Medical Center

Los Angeles, California, United States, 90048

Actively Recruiting

2

University of Iowa Hospitals and Clinics

Iowa City, Iowa, United States, 52242

Actively Recruiting

3

Dana-Farber Cancer Institute

Boston, Massachusetts, United States, 02215

Actively Recruiting

4

University of Michigan

Ann Arbor, Michigan, United States, 48109

Actively Recruiting

5

Memorial Sloan Kettering Cancer Center

New York, New York, United States, 10065

Actively Recruiting

6

Children's Hospital of Philadelphia

Philadelphia, Pennsylvania, United States, 19104

Actively Recruiting

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Research Team

T

Theodore Laetsch, MD

CONTACT

M

Meghan Donnelly

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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