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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05672043
Other study ID # 20221226
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 1, 2023
Est. completion date December 31, 2032

Study information

Verified date January 2023
Source Beijing Tiantan Hospital
Contact Tao Jiang, MD
Phone +8613501306106
Email doctorjiangtt@163.com
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

Primary malignant central nervous system (CNS) tumors are the second most common childhood malignancies. Amongst, medulloblastomas are the most common malignant brain tumor of childhood and occur primarily in the cerebellum. According to molecular characteristics, medulloblastomas were classified into four subtypes: WNT, SHH, Group3 and Group4 and different prognosis were noticed between subgroups. Several genetic predispositions related to clinical outcome were also discovered and might influence the treatment of medulloblastomas as novel pharmaceutical targets. This study aims to investigate genetic and cellular profiles of pediatric brain malignancies, mostly medulloblastomas, and other central nervous system tumor based on WGS, RNA-seq, single-cell sequencing and spatial transcriptomics. We also aim to investigate the correlation between genetic characteristics and clinical prognosis.


Description:

This is an observational study including pediatric patients with medulloblastomas, and other central nervous system tumor who are eligible for surgical tumor resection. Patients will be registered after histological diagnosis is made and meet the inclusion criteria. Epidemiological, histological and radiological information will be collected and Case report form (CRF) will be filled up by investigators. Patients will be follow up 3 months, 6 months, 1 year after surgery and every year afterwards by phone and at clinics. MRI contrast scans are required for each follow-up to assess progression, relapse or metastasis. Patients' neurological status and quality of life will be evaluated during follow-up. Blood samples and tumor tissue will be collected during surgery. After registry, samples will be send for WGS, whole transcriptome resequencing, single-cell sequencing and spatial transcriptomics as appropriate. Clinical outcome and genetic profiles will be analyzed as appropriate to find out the potential pathogenic factors. Medulloblastomas samples will be used for culturing primary cells and generating patient-derived xenografts in mice. The latter will be used for in vivo experiments of medulloblastoma pathophysiological mechanisms and pharmaceutical investigations.


Recruitment information / eligibility

Status Recruiting
Enrollment 400
Est. completion date December 31, 2032
Est. primary completion date December 31, 2027
Accepts healthy volunteers No
Gender All
Age group 0 Years to 18 Years
Eligibility Inclusion Criteria: - Children and adolescents aged between 0-18 years old, diagnosed with medulloblastoma or other malignant central nervous system tumors including glioma, ependymoma, germ cell tumors,tuberous sclerosis, neuronal and neuronoglial tumors, choroid plexus tumors, atypical teratoid/rhabdoid tumors, ependymoblastoma, and medulloepithelioma; Patients must be eligible for and receive tumor resection; Histological examination by institutional neuro-pathological evaluation must confirmed the diagnosis of brain malignancies; Participants consent with joining the current study and comply with follow-up visits; The patients must have no previous radiotherapy or chemotherapy other than corticosteroids. Exclusion Criteria: - Patients with major perioperative complications which lead to significant and sudden deterioration; Patients with major systemic illness (e.g., serious infection or significant cardiac, pulmonary, hepatic, or other organ dysfunction) which might compromise the patient's ability to tolerate standard treatment or would likely interfere with overall prognosis; Patients with major adverse events or sudden deterioration irrelevant to the current study; Quality of tumor tissue sample did not meet the criterion for genetic sequencing and laboratory investigations; Patients who refuse to participate in the study or who request dropping out from the study

Study Design


Locations

Country Name City State
China Beijing Tiantan Hosiptal Beijing Beijing

Sponsors (1)

Lead Sponsor Collaborator
Beijing Tiantan Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Overall Survival 5 years
Secondary Progression free survival No sign of tumor relapse, metastasis or progression confirmed by MRI contrast examination during follow-up 5 years
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