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Brief Title: Trastuzumab Deruxtecan for the Treatment of HER2+ Newly Diagnosed or Recurrent Osteosarcoma
Official Title: A Phase 2 Study of DS-8201a (NSC# 807708) in Adolescents, or Young Adults With Recurrent HER2+ Osteosarcoma
Study ID: NCT04616560
Brief Summary: This phase II trial studies the effects of trastuzumab deruxtecan in treating patients with HER2 positive osteosarcoma that is newly diagnosed or has come back (recurrent). Trastuzumab deruxtecan is a monoclonal antibody, called trastuzumab, linked to a chemotherapy drug called deruxtecan. Trastuzumab attaches to HER2 positive cancer cells in a targeted way and delivers deruxtecan to kill them.
Detailed Description: PRIMARY OBJECTIVE: I. To estimate the proportion of patients with recurrent measurable osteosarcoma treated with trastuzumab deruxtecan (DS-8201a) who are event free (%EF) at 24 weeks. SECONDARY OBJECTIVES: I. To assess the safety of DS-8201a in patients with recurrent osteosarcoma. II. To describe the pharmacokinetics of DS-8201a in patients with recurrent osteosarcoma. III. To estimate the objective response rate (ORR), event free survival (EFS), overall survival (OS) and duration of response (DOR) of patients with recurrent, measurable osteosarcoma. EXPLORATORY OBJECTIVES: I. To describe the relationship between potential biomarkers and response to DS-8201a. II. To evaluate quantitative circulating tumor deoxyribonucleic acid (DNA) (ctDNA) and circulating tumor cells (CTCs) as a surrogate markers of response in recurrent osteosarcoma. OUTLINE: Patients receive trastuzumab deruxtecan intravenously (IV) over 30-90 minutes on day 1. Treatment repeats every 21 days for 35 cycles in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 6 months.
Minimum Age: 12 Years
Eligible Ages: CHILD, ADULT
Sex: ALL
Healthy Volunteers: No
Children's Hospital of Alabama, Birmingham, Alabama, United States
Children's Hospital Los Angeles, Los Angeles, California, United States
Children's Hospital of Orange County, Orange, California, United States
Lucile Packard Children's Hospital Stanford University, Palo Alto, California, United States
UCSF Medical Center-Mission Bay, San Francisco, California, United States
Children's Hospital Colorado, Aurora, Colorado, United States
Children's National Medical Center, Washington, District of Columbia, United States
Johns Hopkins All Children's Hospital, Saint Petersburg, Florida, United States
Children's Healthcare of Atlanta - Egleston, Atlanta, Georgia, United States
Lurie Children's Hospital-Chicago, Chicago, Illinois, United States
Riley Hospital for Children, Indianapolis, Indiana, United States
Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore, Maryland, United States
Dana-Farber Cancer Institute, Boston, Massachusetts, United States
C S Mott Children's Hospital, Ann Arbor, Michigan, United States
University of Minnesota/Masonic Cancer Center, Minneapolis, Minnesota, United States
Children's Mercy Hospitals and Clinics, Kansas City, Missouri, United States
Washington University School of Medicine, Saint Louis, Missouri, United States
NYP/Columbia University Medical Center/Herbert Irving Comprehensive Cancer Center, New York, New York, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
Duke University Medical Center, Durham, North Carolina, United States
Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania, United States
Saint Jude Children's Research Hospital, Memphis, Tennessee, United States
Vanderbilt University/Ingram Cancer Center, Nashville, Tennessee, United States
UT Southwestern/Simmons Cancer Center-Dallas, Dallas, Texas, United States
Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center, Houston, Texas, United States
Primary Children's Hospital, Salt Lake City, Utah, United States
Name: Damon R Reed
Affiliation: Pediatric Early Phase Clinical Trial Network
Role: PRINCIPAL_INVESTIGATOR