About this trial

The purpose of this study is to find out whether 177Lu-DPTA-omburtamab is a safe treatment for children and adolescents with recurrent/refractory medulloblastoma or another type of cancer with CNS metastases.

Eligibility criteria

Qualifiers

Histologically confirmed diagnosis of a tumor that is known to express B7-H3 including but not limited to neuroblastoma, medulloblastoma, rhabdoid tumors, pineoblastoma, retinoblastoma, CNS embryonal tumor, rhabdomyosarcoma, Ewing's sarcoma and ependymoma.

Patients must have recurrent or refractory disease with CNS parenchymal and/or leptomeningeal disease which has been treated with conventional therapies or for which no conventional therapy exists. Measurable or evaluable disease is not required at time of enrollment.

Chemotherapy: Patients must have received their last dose of known myelosuppressive anticancertherapy at least 21 days (3 weeks) prior to enrollment or at least 42 days (6 weeks) if prior nitrosourea.

Anti-GD2 monoclonal antibody (neuroblastoma patients): Patients must have received their last dose of anti-GD2 mAb at least 14 days (2 weeks) before enrollment.

Disqualifiers

Patients with obstructive or symptomatic communicating hydrocephalus.

Patients with an uncontrolled life-threatening infection.

Cardiac, pulmonary, and gastrointestinal system toxicity should all be < grade 2

Patients with grade 4 hearing loss are excluded

Trial design

Treatments tested in this trial

  • 25 mCi 177Lu- DTPA-omburtamab

Treatment groups

18 Participants
are divided into 4 treatment groups

Locations

7
Memorial Sloan Kettering Cancer Center Basking Ridge (Limited Protocol Activities)07920, Basking RidgeNew Jersey, United States
Memorial Sloan Kettering at Monmouth (Limited Protocol Activities)07748, MiddletownNew Jersey, United States
Memorial Sloan Kettering at Bergen (Limited Protocol Activities)07645, MontvaleNew Jersey, United States
Memorial Sloan Kettering at Suffolk-Commack (Limited Protocol Activities)11725, CommackNew York, United States

Sponsors and collaborators

Memorial Sloan Kettering Cancer Center

Lead sponsor

Y-mAbs Therapeutics

Collaborator