Nita L. Seibel, MD
Head - Pediatric Solid Tumors

Nita L. Seibel, MD joined the Clinical Investigations Branch of the Cancer Treatment and Evaluation Program in 2008 to oversee the development of the Pediatric Solid Tumor extramural program, long term cancer survivorship, Pediatric Central Institutional Review Board and adolescent and young adult cancer program. She is an adjunct professor of pediatrics at George Washington University School of Medicine and Public Health and practices at Children’s National Medical Center. Dr. Seibel received her medical degree from Ohio State University College of Medicine and Public Health in 1981. After completing her residency in pediatrics at Ohio State University/ Columbus Children’s Hospital she completed her fellowship in pediatric hematology/oncology on the Pediatric Oncology Branch of the National Cancer Institute. Prior to joining CTEP, Dr. Seibel was an attending physician at Children’s National Medical Center for 20 years. She held numerous positions there which included Solid Tumor Director, Fellowship Training Program Director for Hematology/Oncology, ;Outreach Services Director for the Department of Hematology/Oncology, and Principal Investigator for the Children’s Oncology Group as well as Professor of Pediatrics at George Washington University School of Medicine. She is board certified in pediatrics and pediatric hematology/oncology.

She is a member of the NCI PDQ (Physician Data Query) Pediatric Board and previously was the American Society Pediatric Hematology-Oncology representative to the Alliance for Childhood Cancer. She has chaired numerous studies in the Children’s Cancer Group (CCG), was a member of the CCG Bone Tumor Strategy Committee and the National Wilms’ Tumor Study Group prior to the merger into the Children’s Oncology Group (COG). She was a member of the COG Renal Tumor Group and chaired the Higher Risk Favorable Histology Wilms’ Tumor study prior to joining CTEP. She has a long interest in new agents both for oncology and fungal infections and collaborated on numerous studies in these areas. She served as vice chair for Phase I agents for the CCG and has a special interest in ALL which was manifested in chairing the CCG 1961 Treatment of Higher Risk Acute Lymphoblastic Leukemia protocol. She is a regular reviewer for numerous journals including Cancer, Journal of Pediatric Hematology/Oncology, Pediatric Blood and Cancer, Journal of Clinical Oncology and Clinical Infectious Disease. Dr. Seibel has spoken internationally on the treatment and management of invasive mycoses and Acute Lymphoblastic Leukemia in children and adolescents. She has chaired and participated in sessions at the American Society of Clinical Oncology, American Society of Hematology and the American Society of Pediatric Hematology/Oncology national meetings. She has been named in the last 4 consecutive surveys by the Washingtonian as a Top Doctor. In addition to her many invited lectures, Dr. Seibel has published over 60 articles, 60 abstracts, and numerous book chapters. In addition to her interest in new oncology agents, antifungal agents, Wilms’ tumors, and ALL, she also is interested in clear cell sarcoma of the kidney, osteosarcoma and Ewing sarcoma.

Contact Information:
National Cancer Institute
6130 Executive Blvd., Suite 7025
Bethesda, MD 20892-7436
Phone: 301-435-9204
E-mail: seibelnl@mail.nih.gov