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Brief Title: Pepinemab in Treating Younger Patients With Recurrent, Relapsed, or Refractory Solid Tumors
Official Title: A Phase 1/2 Study of VX15/2503 in Children, Adolescents, or Young Adults With Recurrent or Relapsed Solid Tumors
Study ID: NCT03320330
Brief Summary: This phase I/II trial studies the side effects and best dose of pepinemab and to see how well it works in treating younger patients with solid tumors that have come back after treatment, or do not respond to treatment. Immunotherapy with monoclonal antibodies, such as pepinemab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread.
Detailed Description: PRIMARY OBJECTIVES: I. To estimate the maximum tolerated dose (MTD) and/or recommended phase 2 dose of pepinemab (VX15/2503) administered as an intravenous infusion every 14 days to children with recurrent or refractory solid tumors. (Part A) II. To define and describe the toxicities of VX15/2503 administered on this schedule. (Parts A-B) III. To characterize the pharmacokinetics of VX15/2503 in children with recurrent or refractory cancer. (Parts A-B) IV. To preliminarily define the antitumor activity of VX15/2503 for the treatment of relapsed or refractory osteosarcoma. (Part B) V. To determine if VX15/2503 either improves the disease control rate at 4 months in patients with recurrent measurable osteosarcoma or produces an objective response rate in patients with relapsed or refractory osteosarcoma. (Part B) SECONDARY OBJECTIVES: I. To assess the pharmacodynamics of VX15/2503 through VX15/2503 saturation of T-lymphocytes. II. To assess the immunogenicity of VX15/2503 in pediatric patients with recurrent or refractory cancer. EXPLORATORY OBJECTIVES: I. To evaluate potential biomarkers of VX15/2503 sensitivity including SEMA4D, PlexinB1, and other markers of immune cell infiltration in archival tumor tissues. OUTLINE: This is a phase I, dose-escalation study followed by a phase II study. Patients receive pepinemab intravenously (IV) over 60 minutes on days 1 and 15. Treatment repeats every 28 days for 13 cycles in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up periodically.
Minimum Age: 12 Months
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
UCSF Medical Center-Mission Bay, San Francisco, California, United States
Children's Hospital Colorado, Aurora, Colorado, United States
Yale University, New Haven, Connecticut, United States
Children's National Medical Center, Washington, District of Columbia, 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
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
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
Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center, Houston, Texas, United States
University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States
Children's Hospital of The King's Daughters, Norfolk, Virginia, United States
Seattle Children's Hospital, Seattle, Washington, United States
Name: Emily G Greengard
Affiliation: COG Phase I Consortium
Role: PRINCIPAL_INVESTIGATOR