- Conditions
- Advanced Malignant Solid Neoplasm, Recurrent Childhood Ependymoma, Recurrent Ewing Sarcoma, Recurrent Glioma, Recurrent Hepatoblastoma, Recurrent Kidney Wilms Tumor, Recurrent Langerhans Cell Histiocytosis, Recurrent Malignant Germ Cell Tumor, Recurrent Malignant Glioma, Recurrent Medulloblastoma, Recurrent Neuroblastoma, Recurrent Non-Hodgkin Lymphoma, Recurrent Osteosarcoma, Recurrent Peripheral Primitive Neuroectodermal Tumor, Recurrent Rhabdoid Tumor, Recurrent Rhabdomyosarcoma, Recurrent Soft Tissue Sarcoma, Refractory Ependymoma, Refractory Ewing Sarcoma, Refractory Glioma, Refractory Hepatoblastoma, Refractory Langerhans Cell Histiocytosis, Refractory Malignant Germ Cell Tumor, Refractory Malignant Glioma, Refractory Medulloblastoma, Refractory Neuroblastoma, Refractory Non-Hodgkin Lymphoma, Refractory Osteosarcoma, Refractory Peripheral Primitive Neuroectodermal Tumor, Refractory Rhabdoid Tumor, Refractory Rhabdomyosarcoma, Refractory Soft Tissue Sarcoma
- Interventions
- Laboratory Biomarker Analysis, Palbociclib, Pharmacological Study
- Other · Drug
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 12 Months to 21 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2024
- U.S. locations
- 115
- States / cities
- Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 93 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced May 21, 2026, 4:39 PM EDT