George Ansstas, MD

George Ansstas, MD

Medical Oncologist, Neuro-Oncologist

Primary Academic Title

Associate Professor of Medicine, Section of Medical Oncology, Division of Oncology, Washington University School of Medicine

Clinical Expertise

As a member of our brain tumor and skin cancer specialist teams, Dr. Ansstas cares for patients diagnosed with brain tumors, skin cancer & melanoma through treatment and recovery. Learn more about Dr. Ansstas and the Brain Tumor Center at Siteman.

Research Interest

Glioblastoma, genetics and epigenetics, melanoma


  • 2001: MD, University of Tishreen, Latakia, Syria


  • 2001 - 2003: Resident, anatomic and clinical pathology, Tishreen University Hospital, Lattakia, Syria
  • 2004 - 2007: Resident, internal medicine, Saint Louis University Medical Center, St. Louis
  • 2008 - 2011: Fellow, hematology and oncology, Washington University, St. Louis

Board Certification

  • 2007: American Board of Internal Medicine
  • 2011: American Board of Internal Medicine, Medical Oncology
  • 2011: American Board of Internal Medicine, Hematology

Selected Research Publications

BRAF/MEK Inhibition as a Bridge to Immunotherapy for Symptomatic BRAF V600 Melanoma Brain Metastases: A Case Series.
  • Strelnikov J, Zhou A, Butt O, Ansstas M, Ansstas G
  • J Natl Compr Canc Netw 2023
Homologous Recombination Deficiency (HRD) in Cutaneous Oncology.
  • Akinjiyan FA, Morecroft R, Phillipps J, [...] Ansstas G
  • Int J Mol Sci 2023
Alliance A071401: Phase II Trial of Focal Adhesion Kinase Inhibition in Meningiomas With Somatic NF2 Mutations.
  • Brastianos PK, Twohy EL, Gerstner ER, [...] Ansstas G, [...] Galanis E
  • J Clin Oncol 2023
Racial and socioeconomic differences in acral lentiginous melanoma outcomes: A Surveillance, Epidemiology, and End Results analysis.
  • Raval NS, Hodges WT, Ugwu-Dike PO, [...] Ansstas G, [...] Semenov YR
  • J Am Acad Dermatol 2022

Contact Information

  • Washington University Medical Campus

    4921 Parkview Place
    Saint Louis, MO 63110

  • West St. Louis County

    Medical Office Building 2, 10 Barnes West Drive
    Creve Coeur, MO 63141

Phone Numbers

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