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David Michael Ashley

Adjunct Professor in the Department of Neurosurgery
Neurosurgery
DUMC 2600, Durham, NC 27710
203 Research Dr MSRB1, Box 2600, Durham, NC 27710

Overview


My career in cancer research dates more than two decades. I am credentialed in both pediatric and adult neuro-oncology practice and this has been the focus of my efforts in translational research and leadership. As evident from my publication and grant support record, my primary academic focus has been on neurologic tumors, the development of innovative therapies and approaches to care. These efforts have included basic and translational laboratory research. My experience includes moving laboratory findings in brain tumor immunology and epigenetics into early phase clinical trials. I have expertise in immuno-oncology, having developed and clinically tested dendritic cell vaccines and other immuno-therapeutics. My achievements in research have led to change in practice in the care of children and adults with brain tumors, including the introduction of new standards of practice for the delivery of systemic therapy. I am highly regarded for this work, as evidenced by numerous invitations to plenary sessions and symposia of international standing. I have been the principal investigator of a number of important national and international studies, both clinical and pre-clinical. I am recognized as a senior figure and opinion leader in neuro-oncology nationally and internationally. I have held several significant leadership roles, including Director of two major cancer centers, I served as the Chair of Medicine at Deakin University, the Program Director of Cancer Services at University Hospital Barwon Health, and Executive Director of the Western Alliance Academic Health Science Centre (Australia). I began my current position as Director of The Preston Robert Tisch Brain Tumor Center, Head, Preuss Laboratory, in March 2018. In this role, I am responsible for the clinical care, research, and educational program related to Brain Tumor Center. I am also a senior investigational neuro-oncologist within the adult brain tumor program at Duke.

Current Duke Appointments & Affiliations


Adjunct Professor in the Department of Neurosurgery · 2026 - Present Neurosurgery, Neurosurgery
Professor of Medicine · 2017 - Present Medicine, Medical Oncology, Medicine
Professor in Pathology · 2018 - Present Pathology, Clinical Science Departments
Professor in Pediatrics · 2020 - Present Pediatrics, Hematology-Oncology, Pediatrics
Member of the Duke Cancer Institute · 2017 - Present Duke Cancer Institute, Institutes and Centers

Recent News Items


Published April 12, 2023
Can Scientists Learn to Prevent Brain Tumors?
Published January 13, 2021
Recurrent Gliobastoma Brain Tumors with Few Mutations Respond Best to Immunotherapy

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Recent Scholarly Works


A longitudinal, multi-omic atlas reveals the emergence of a spatially organized immunosuppressive ecosystem in resistant melanoma.

Journal article Cell Rep Med · April 21, 2026 Despite advances in immune checkpoint blockade, resistance in metastatic melanoma remains a major challenge. To decode resistance mechanisms, we generate a comprehensive longitudinal, multi-omic, and spatial atlas of 45 tumor samples across 10 patients. An ... Full text Link to item Cite

Anti-VEGF vascular remodeling drives germinal center B cell-rich tertiary lymphoid structures during antibody-toxin and anti-CD40 combination therapy in glioblastoma.

Preprint · April 17, 2026 Glioblastoma (GBM) is characterized by aberrant neovascularization and angiogenesis. Bevacizumab (Avastin), a monoclonal antibody targeting vascular endothelial growth factor (VEGF), is clinically used with chemotherapy for patients with GBM, yet its impac ... Full text Link to item Cite

Abstract 6477: Peptide-based tumor-associated antigen vaccine in glioblastoma: Correlative results of the ETAPA Phase I clinical trial

Conference Cancer Research · April 3, 2026 AbstractIntroduction/Rationale:Immunotherapy has yet to yield benefit in glioblastoma (GBM), in part due to inadequate T-cell p ... Full text Cite
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Recent Grants


Therapeutic targeting of SMARCAL1 in therapy-resistant gliomas

ResearchCo Investigator · Awarded by National Institutes of Health · 2026 - 2031

McCain/Bayh Glioblastoma Consortium

Clinical TrialPrincipal Investigator · Awarded by Department of Defense · 2025 - 2029

PRECLINICAL THERAPEUTIC SCREENING FOR NEW THERAPIES FOR GLIOBLASTOMA MULTIFORME

ResearchPrincipal Investigator · Awarded by Jewish Communal Fund · 2022 - 2028

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Education


University of Melbourne (Australia) · 1994 Ph.D.
Royal Australasian College of Physicians (Australia) · 1993 F.R.A.C.P.
Monash University (Australia) · 1986 M.B.B.S.