CNS
CNS Trial Sites
With exceptional depth in complex neurologic conditions, our experienced investigators have conducted research across a broad range of CNS conditions and diseases. Supported by a robust participant database, our centralized network of sites provides tailored strategies to optimize study enrollment across neurologic, pain, and psychiatric trials.
From Parkinson’s Disease to neuropathic pain and depression, our highly equipped sites and expert investigators provide quality, compassionate care, and consistently meet expedited study timelines.
Key Indications
Parkinson's Disease
Neuropathic Pain
Dementia
Alzheimer’s Disease
Stroke
Headaches & Migraines
Tremor
Depression
CNS Resources
In a recent neuropathy study, our 3 sites were recognized as the study’s top enrollers – contributing to over 37% of enrollment, study-wide.

Leon Barkodar, MD, QME
Inglewood, CA
Licensed in the State of California
Dr. Leon Barkodar is a licensed neurologist; double board certified in neurology and brain injury medicine by the American Board of Neurology. With 20 years of clinical research experience, Dr. Barkodar has treated a variety of conditions such as Alzheimer’s Disease, Parkinson’s disease, dementia, agitation, headaches, stroke, tremors, migraines, and neuropathic pain. In addition to his solid clinical knowledge, Dr. Barkodar is a compassionate practitioner – expressing empathy and understanding towards patients facing challenging neurological conditions.
Double board-certified in neurology and brain injury medicine. Affiliated with West Hills Hospital. Graduate of Lewis Katz School of Medicine at Temple University. Neurology residency at University of California.
Read More
Double board-certified in neurology and brain injury medicine. Affiliated with West Hills Hospital. Graduate of Lewis Katz School of Medicine at Temple University. Neurology residency at University of California.

Sahar Douek, MD
West Hills, CA
Licensed in the State of California
Dr. Sahar Douek is a licensed psychiatrist; board certified in psychiatry by the American Board of Psychiatry & Neurology. Dr. Douek has experience in treating anxiety disorders, depressive disorders, mood disorders, psychotic disorders, trauma-related conditions such as PTSD, personality disorders, substance abuse disorders, irritability and anger problems, and neurodevelopmental disorders including intellectual disabilities, autism, learning disorders, and ADHD. In addition to deep experience across a broad range of psychiatric indications, Dr. Douek maintains an unrelenting commitment to provide the highest quality of care for her patients.
Board-certified in General Psychiatry and Child & Adolescent Psychiatry. Affiliated with West Hills Hospital. Graduate of Jacobs School of Medicine and Biomedical Sciences at University of Buffalo. General Psychiatry residency at University of California, Los Angeles. Child & Adolescent Psychiatry at the University of Southern California, Los Angeles.
Read More
Board-certified in General Psychiatry and Child & Adolescent Psychiatry. Affiliated with West Hills Hospital. Graduate of Jacobs School of Medicine and Biomedical Sciences at University of Buffalo. General Psychiatry residency at University of California, Los Angeles. Child & Adolescent Psychiatry at the University of Southern California, Los Angeles.

Shervin Eshraghi, MD
West Hills, CA
Licensed in the States of California, Florida, & North Carolina
Dr. Shervin Eshraghi is a licensed neurologist; board certified in neurology and clinical neuropsychology by the American Board of Psychiatry & Neurology. Dr. Eshraghi brings over 25 years of clinical expertise, treating neurological disorders and diseases such as headaches (including migraines), dementia, Alzheimer’s Disease, tremors, epilepsy, and more. With extensive experience in medical research, involving both bench work and clinical trials, Dr. Eshraghi believes that shared decision-making between physician and patient is crucial to supporting a patient-centered treatment approach.
Board-certified in Neurology and Clinical Neurophysiology. Affiliated with West Hills Hospital. Graduate of SABA University School of Medicine. Neurology residency at the Medical College of Wisconsin. Clinical Neurophysiology Fellowship at the University of Pittsburgh Medical Center.
Read More
Board-certified in Neurology and Clinical Neurophysiology. Affiliated with West Hills Hospital. Graduate of SABA University School of Medicine. Neurology residency at the Medical College of Wisconsin. Clinical Neurophysiology Fellowship at the University of Pittsburgh Medical Center.
Learn more about how Alliance Clinical can accelerate your next CNS program