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P. Roc Chen, MD, is a board-certified and fellowship-trained neurosurgeon specializing in open cerebrovascular, endovascular, and skull base neurosurgery, with expertise in brain aneurysms, arteriovenous malformations, carotid disease, acoustic neuroma, and skull base tumors.
A professor in the Vivian L. Smith Department of Neurosurgery at McGovern Medical School at UTHealth Houston, Chen received his medical degree from Sun Yat-Sen University of Medical Sciences in Guangzhou, China, followed by residencies at Brigham and Women’s Hospital of Harvard Medical School. He completed fellowship training in neurointerventional radiology at Brigham and Women’s Hospital, in cerebrovascular and skull base surgery at Barrow Neurological Institute, and in neuroendovascular surgery and cerebrovascular neurosurgery at Thomas Jefferson University Hospital.
Chen has authored and co-authored many peer-reviewed publications in cerebrovascular disease and other subjects in neurosurgery, particularly flow shearing-related brain aneurysm formation, subarachnoid hemorrhage management, and surgical and endovascular techniques in treating brain aneurysms. He is the principal investigator for a multicenter, randomized clinical trial in the treatment of cerebral vasospasm following subarachnoid hemorrhage due to brain aneurysm rupture. He’s also involved in multiple clinical trials using the latest endovascular technology in treating brain aneurysms, carotid disease, and brain AVMs (One of Chen’s specialties includes the treatment of brain occlusive disease (for example, moyamoya disease, which causes stroke), by performing extracranial to intracranial bypass anastomosis surgery. His expertise includes treating complex acoustic neuromas and other skull base meningiomas.
Dr. Chen has co-authored studies published in Neurosurgery, Proceedings of the National Academy of Sciences, Neurosurgical Focus, Acta Neurochirurgica, the Journal of Neurosurgery: Spine, the Journal of Biological Chemistry, BNI Quarterly and the American Journal of Physiology, among others.
He is the institutional co-principal investigator of multiple studies, including: “A Randomized Multicenter Clinical Trial of Unruptured Brain Arteriovenous Malformations” (ARUBA study), “Albumin in Subarachnoid Hemorrhage-induced Vasospasm Trial” (ALISAH), “Evaluation of Presidio and Cerecyte Coils in Large and Giant Aneurysms” (PAC study), “ev3 Researching AXIUM Coiling Experience and Recanalization (RACER) Study”, “Cordis Enterprise Vascular Reconstruction Device and Delivery System”, and the “Wingspan Intracranial Stent” study. Dr. Chen is also an acting investigator for the “Interventional Management of Stroke Trial Phase III (IMS-III)” and “MR and Recanalization of Stroke Clots Using Embolectomy (MR RESCUE)” studies.
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