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ProtocolTrial Name and Objective
111401

COG ACNS1221: A Phase II Study for the Treatment of Non-Metastatic Nodular Desmoplastic Medulloblastoma in Children Less Than 4 Years of Age

1. Estimate of the PFS distribution for patients 0-<4 years of age with M0 desmoplastic medulloblastoma (nodular desmoplastic or medulloblastoma with extensive nodularity) treated with the modified HIT SKK regimen (excluding the use of intraventricular methotrexate).
2.Evaluate the feasibility of a rapid central pathology screening review for treatment allocation according to histology and assess agreement between institutional and central pathology review diagnoses as well as among central pathology review diagnoses.

3.Prospectively evaluate the molecular profile of ND/MBEN medulloblastoma in young children.

4. Monitor and describe the neurocognitive and adaptive functioning of young children with ND/MBEN medulloblastoma treated on this protocol using the ALTE07C1 protocol.
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111003

COG ACNS0831: Phase III Randomized Trial of Post-Radiation Chemotherapy in Patients with Newly Diagnosed Ependymoma Ages 1 to 21 years

1. To determine the event free survival (EFS) and overall survival (OS) of children with completely resected ependymoma treated with post-operative conformal radiation therapy (cRT) and then randomized to receive or not receive four cycles of post radiation maintenance chemotherapy with vincristine, cisplatin, etoposide and cyclophosphamide (VCEC).

2. To estimate the EFS and OS of children with incompletely resected ependymoma who are unable to achieve a complete response (CR) by a) post-operative induction chemotherapy or by b) second surgery who will then be non-randomly assigned to cRT followed by four cycles of maintenance chemotherapy (VCEC)

3. To further evaluate the EFS and OS of children with supratentorial classic ependymoma who achieve a complete resection at first or second resection or children who achieve a CR to short course induction chemotherapy following first surgery.
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111203

COG ACNS1022: A Phase II Randomized Trial of Lenalidomide (NSC # 703813, IND # 70116) in Pediatric Patients with Recurrent, Refractory or Progressive Juvenile Pilocytic Astrocytomas and Optic Pathway Gliomas

1. To determine the objective response rate of children with recurrent, refractory or progressive juvenile astrocytomas and optic pathway gliomas who are treated with low-dose (20 mg/m2/dose) or high dose (115 mg/m2/dose) lenalidomide.
2. To estimate the event free survival of these patients when treated with lenalidomide
3. To correlate pharmacokinetics with objective response
4. To evaluate toxicities of long term lenalinomide use
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