Study of Lurbinectedin Monotherapy in Pediatric and Young Adult Participants With Relapsed/Refractory Ewing Sarcoma — StellaPhase 1 — Early testing in a small group of people (usually 20–80) to evaluate safety, determine safe dosage, and identify side effects.
Trial locations(15 sites)
United States
Children's Hospital of Los Angeles, Los Angeles, California Lucile Packard Children's Hospital, Palo Alto, California Children's National Hospital, Washington D.C., District of Columbia Johns Hopkins All Children's Hospital, St. Petersburg, Florida Children's Healthcare of Atlanta at Arthur M. Blank Hospital, Atlanta, Georgia Johns Hopkins University, Baltimore, Maryland Corewell Health, Grand Rapids, Michigan Memorial Sloan Kettering Cancer Center, New York, New York Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio Nationwide Children's Hospital, Columbus, Ohio Children's Hospital of Philadelphia, Philadelphia, Pennsylvania St. Jude Children's Research Hospital, Memphis, Tennessee Children's Health Dallas, Dallas, Texas The University of Texas MD Anderson Cancer Center, Houston, Texas Canada
The Hospital for Sick Children, Toronto, Ontario Last updated February 2026