Our aggressive pursuit to discover better ways to help patients now – not years from now – places us among the leaders worldwide in the administration of clinical trials. Last year, City of Hope conducted more than 300 studies enrolling almost 5,000 patients. Find out more about City of Hope's Clinical Trials.

City of Hope’s Division of Neurosurgery focuses on surgical treatment of both benign and malignant brain, spine and pituitary tumors. Our physicians are nationally-recognized experts in neurosurgery and neuro-oncology, and employ today’s leading edge therapies.

For questions or additional information, please contact Roger Harthrong, N.P. at 626-471-7100. If you prefer, you may e-mail us at: rharthrong@coh.org, or  vsainz@coh.org, or  neurosurgery@coh.org.