Glioblastoma Multiforme Clinical Trial
Official title:
CSF Cell-free Tumor DNA (CSF cfDNA) Liquid Biopsies for Pediatric, Adolescent, and Young Adult Patients With Primary Brain Tumors
Verified date | April 2024 |
Source | Pediatric Brain Tumor Consortium |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Recent advances in technology have allowed for the detection of cell-free DNA (cfDNA). cfDNA is tumor DNA that can be found in the fluid that surrounds the brain and spinal cord (called cerebrospinal fluid or CSF) and in the blood of patients with brain tumors. The detection of cfDNA in blood and CSF is known as a "liquid biopsy" and is non-invasive, meaning it does not require a surgery or biopsy of tumor tissue. Multiple studies in other cancer types have shown that cfDNA can be used for diagnosis, to monitor disease response to treatment, and to understand the genetic changes that occur in brain tumors over time. Study doctors hope that by studying these tests in pediatric brain tumor patients, they will be able to use liquid biopsy in place of tests that have more risks for patients, like surgery. There is no treatment provided on this study. Patients who have CSF samples taken as part of regular care will be asked to provide extra samples for this study. The study doctor will collect a minimum of one extra tube of CSF (about 1 teaspoon or 5 mL) for this study. If the patients doctor thinks it is safe, up to 2 tubes of CSF (about 4 teaspoons or up to 20 mL) may be collected. CSF will be collected through the indwelling catheter device or through a needle inserted into the lower part of the patient's spine (known as a spinal tap or lumbar puncture). A required blood sample (about ½ a teaspoon or 2 3 mL) will be collected once at the start of the study. This sample will be used to help determine changes found in the CSF. Blood will be collected from the patient's central line or arm as a part of regular care. An optional tumor tissue if obtained within 8 weeks of CSF collection will be collected if available. Similarities between changes in the DNA of the tissue that has caused the tumor to form and grow with the cfDNA from CSF will be compared. This will help understand if CSF can be used instead of tumor tissue for diagnosis. Up to 300 people will take part in this study. This study will use genetic tests that may identify changes in the genes in the CSF. The report of the somatic mutations (the mutations that are found in the tumor only) will become part of the medical record. The results of the cfDNA sequencing will be shared with the patient. The study doctor will discuss what the results mean for the patient and patient's diagnosis and treatment. There will not be any germline sequencing results reported and these will not be disclosed to the patient, patient's clinician or be recorded in patient medical record. Patient may be monitored on this study for up to 5 years.
Status | Active, not recruiting |
Enrollment | 300 |
Est. completion date | July 12, 2028 |
Est. primary completion date | July 12, 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A to 40 Years |
Eligibility | Inclusion Criteria: All patients must have a known or suspected diagnosis (based on pathology or imaging) of a primary brain tumor. All children and adolescent/young adult (AYA) patients =< 21 years of age are eligible. AYA patients < 40 are eligible with a primary brain tumor entity more common in children than adults. This includes: - medulloblastoma - non-medulloblastoma embryonal brain tumors - atypical teratoid rhabdoid tumors (ATRT) - ependymoma - CNS germ cell tumors - Diffuse midline glioma, H3K27M-altered - Diffuse hemispheric glioma, H3 G34-mutant - pineoblastoma - diffuse leptomeningeal glioneuronal tumor - diffuse brainstem glioma - pilocytic astrocytoma - choroid plexus carcinoma ELIGIBLE PATIENTS WILL BE STRATIFIED BY DIAGNOSIS AS FOLLOWS: - Stratum 1: Medulloblastoma - Stratum 2: High-grade glioma (IDH-wildtype) and DIPG o DIPG patients must meet clinical and imaging requirements for DIPG diagnosis. Patients with newly diagnosed diffuse intrinsic pontine gliomas (DIPGs), defined as tumors with a pontine epicenter and diffuse involvement of 2/5 or more of the pons, are eligible without histologic confirmation. Patients with brainstem tumors that do not meet these criteria or not considered to be typical intrinsic pontine gliomas will only be eligible for Stratum B if the tumors have been biopsied and are proven to be an anaplastic astrocytoma, glioblastoma multiforme, gliosarcoma, anaplastic mixed glioma or fibrillary astrocytoma. - Stratum 3: Low-grade glioma (IDH-wildtype) - Stratum 4: Diffuse Leptomeningeal Glioneuronal Tumor - Stratum 5: Pineoblastoma - Stratum 6: All other eligible tumor types - DISEASE STATUS: Participants will be eligible at any stage of disease. - AGE: All children and adolescent/young adult (AYA) patients =< 21 years of age are eligible. AYA patients < 40 are eligible with a primary brain tumor entity more common in children than adults - CEREBROSPINAL FLUID (CSF) COLLECTION: Patients must have a clinical indication for at least one CSF (lumbar, cisternal or ventricular) collection, or clinical circumstance where CSF sampling is feasible with no or minimal risk (e.g., endoscopic third ventriculostomy, external ventricular drain). - INFORMED CONSENT: The patient or parent/guardian can understand the consent and is willing to sign a written informed consent document according to institutional guidelines. Exclusion Criteria: N/A (inclusion criteria is comprehensive). - |
Country | Name | City | State |
---|---|---|---|
United States | Memorial Sloan Kettering Cancer Center | New York | New York |
United States | Children's Hospital of Pittsburgh of UPMC | Pittsburgh | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
Pediatric Brain Tumor Consortium | American Lebanese Syrian Associated Charities (ALSAC), Memorial Sloan Kettering Cancer Center, National Cancer Institute (NCI) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Concordance of mutations across the tumor tissue vs. CSF | Within specific histologies with paired samples, estimate the concordance of mutation detected in the tumor tissue vs. cerebrospinal fluid cell free DNA (CSF cfDNA) across samples collected within 8 weeks of each other. | 3 months | |
Secondary | Estimate the frequency of detection of CSF cfDNA across different types of pediatric CNS tumors in association with various disease states. | Intra-patient matched samples of CSF and tissue will be summarized for each oncogenic alteration and scored as positive vs. negative. | 3 months | |
Secondary | Track and estimate the correlation between the levels of CSF cfDNA and disease response as determined by clinical and imaging criteria across different disease types. | Associations between the quantity of cfDNA and standard clinical and imaging disease response will be assessed by either Wilcoxon rank-sum or Spearman's correlations. | 3 months |
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