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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03275402
Other study ID # 101
Secondary ID
Status Terminated
Phase Phase 2/Phase 3
First received
Last updated
Start date December 11, 2018
Est. completion date June 2, 2023

Study information

Verified date January 2024
Source Y-mAbs Therapeutics
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Children with a neuroblastoma diagnose and central nervous system (CNS)/leptomeningeal metastases will be given up to 2 rounds of intracerebroventricular treatment with a radiolabelled monoclonal antibody, 131I-omburtamab to evaluate efficacy and safety


Description:

One 131I-omburtamab treatment cycle takes 4 weeks and includes a treatment dose, and an observation period and post-treatment evaluations. One 131I-omburtamab treatment cycle for Japan only takes 5 weeks and includes a dosimetry dose (2mCi) of 131I-omburtamab is administered during week 1 followed by blood/cerebral spinal fluid (CSF) samples and whole-body scintigraphy at predefined intervals during the following 48 hours after treatment. - A therapeutic dose (50mCi) of 131I-omburtamab is administered during week 1 (week 2 for Japan) followed by a 3-week observation period that includes a repeated MRI, CSF cytology, and safety monitoring. - A second treatment cycle of 131I-omburtamab is administered during week 5 (week 6 for Japan) if there is no objective disease progression week 5 after the first injection, and the participant is presenting without unexpected and clinical significant Grade 4 toxicity. For participants with ongoing Grade 3 toxicity a second doing cycle will take place according to the discretion of the investigator. Participants can be treated in an outpatient setting or may be admitted as inpatients for both the dosimetry and the therapeutic injections. Participants completing at least one treatment period will first enter a follow-up period through week 26 and thereafter the long-term follow-up where patients will be evaluated for up to 3 years post-131I-omburtamab treatment where after the trial is ended Participants will be monitored for adverse events during and after 131I-omburtamab injection and will have pre- and post-treatment clinical assessments including neurologic examination, hematology and serum chemistry, blood and CSF cultures, endocrinology assessments, CSF analysis, and, pre- and post 131I-omburtamab performance testing. Performance testing will be performed at trial baseline, at week 26 and every 6 months during trial period. In case the patient has a subsequent relapse in the CNS/LM after 131I-omburtamab therapy during the follow-up period, re-treatment to target minimal residual disease can be considered and allowed.


Recruitment information / eligibility

Status Terminated
Enrollment 52
Est. completion date June 2, 2023
Est. primary completion date June 2, 2023
Accepts healthy volunteers No
Gender All
Age group N/A to 18 Years
Eligibility Inclusion Criteria: - Patients must have a histologically confirmed diagnosis of neuroblastoma with relapse in the central nervous system or in the meninges (leptomeningeal). - Patients must be between the ages of birth and 18 years at the time of screening. - Patients must have a life expectancy of at least 3 months. Exclusion Criteria: - Patients with primary neuroblastoma in central nervous system. - Patients must not have an uncontrolled life-threatening infection. - Patients must not have received cranial or spinal irradiation less than 3 weeks prior to first dose of 131I-omburtamab in this trial. - Patients must not have received systemic chemotherapy (corticosteroids not included) less than 3 weeks prior to enrollment in this trial. - Patients must not have severe major non-hematologic organ toxicity; specifically, any renal, cardiac, hepatic, pulmonary, and gastrointestinal system toxicity must fall below Grade 3 prior to enrollment in this trial. Patients with stable neurological deficits (due to brain tumor) are not excluded. Patients with Grade 3 or lower hearing loss are not excluded.

Study Design


Intervention

Biological:
131I-omburtamab
Murine IgG1 monoclonal antibody radiolabeled with iodine-131

Locations

Country Name City State
Denmark Rigshospitalet København
Japan Department of Pediatric Oncology Fukushima Medical University Hospita Fukushima City
Spain Hospital Sant Joan de Déu Barcelona
United States Nationwide Children's Hospital Columbus Ohio
United States M.D. Anderson Cancer Center Houston Texas
United States Riley Hospital for Children Indianapolis Indiana
United States Childrens Hospital Los Angeles Los Angeles California
United States Memorial Sloan Kettering Cancer Center New York New York

Sponsors (1)

Lead Sponsor Collaborator
Y-mAbs Therapeutics

Countries where clinical trial is conducted

United States,  Denmark,  Japan,  Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Overall Survival Rate Overall survival rate at 3 years after the first treatment dose of 131I-omburtamab estimated by the Kaplan-Meier method. 3 years
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