Study: NCT06368817

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: 3-Dimensional Conformal Radiation Therapy
Description: Undergo 3D-CRT

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Biospecimen Collection
Description: Undergo blood and CSF sample collection

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Carboplatin
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Etoposide
Description: Given IV

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Intensity-Modulated Radiation Therapy
Description: Undergo IMRT

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Lumbar Puncture
Description: Undergo LP

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Magnetic Resonance Imaging
Description: Undergo MRI

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Magnetic Resonance Imaging
Description: Undergo MRI

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Magnetic Resonance Imaging
Description: Undergo MRI

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Magnetic Resonance Imaging
Description: Undergo MRI

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Magnetic Resonance Imaging
Description: Undergo MRI

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Magnetic Resonance Imaging
Description: Undergo MRI