Study: NCT04759586

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
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: ACTIVE_COMPARATOR
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: ACTIVE_COMPARATOR
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: ACTIVE_COMPARATOR
Intervention: Bone Marrow Aspiration
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Bone Marrow Aspiration
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Bone Marrow Aspiration
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Bone Marrow Aspiration
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Bone Marrow Aspiration
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Bone Marrow Aspiration
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Bone Marrow Biopsy
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Bone Marrow Biopsy
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Bone Marrow Biopsy
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Bone Marrow Biopsy
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Bone Marrow Biopsy
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Bone Marrow Biopsy
Description: Undergo bone marrow biopsy and aspiration

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Computed Tomography
Description: Undergo CT or PET/CT

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Computed Tomography
Description: Undergo CT or PET/CT

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Computed Tomography
Description: Undergo CT or PET/CT

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Computed Tomography
Description: Undergo CT or PET/CT

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Computed Tomography
Description: Undergo CT or PET/CT

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Computed Tomography
Description: Undergo CT or PET/CT

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Cyclophosphamide
Description: Given IV

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

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Cyclophosphamide
Description: Given IV

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

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Cyclophosphamide
Description: Given IV

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

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Doxorubicin Hydrochloride
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Doxorubicin Hydrochloride
Description: Given IV

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Doxorubicin Hydrochloride
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Doxorubicin Hydrochloride
Description: Given IV

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Doxorubicin Hydrochloride
Description: Given IV

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Doxorubicin Hydrochloride
Description: Given IV

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Echocardiography
Description: Undergo ECHO

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Echocardiography
Description: Undergo ECHO

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Echocardiography
Description: Undergo ECHO

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Echocardiography
Description: Undergo ECHO

Intervention type: PROCEDURE
Group type: ACTIVE_COMPARATOR
Intervention: Echocardiography
Description: Undergo ECHO

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Echocardiography
Description: Undergo ECHO

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Etoposide Phosphate
Description: Given IV

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