CALNEURO Research Group (CALNEURO) is an independent clinical research site specializing in Psychiatry. CALNEURO was established in 1982 and overseen by Alexander Bystritsky, M.D. Director of the Anxiety Disorders Program, University of California School of Medicine at Los Angeles. CALNEURO works in partnership with the pharmaceutical industry to conduct year-round clinical trials with the goal of improving treatments and outcomes for patients suffering from a broad range of psychiatric conditions. CALNEURO has earned a reputation for quality Los Angeles clinical trials.

CALNEURO‘s primary focus is on high quality medical research via outpatient medical studies. We conduct clinical trial phases  two, three, and four, adhering to FDA regulations.

Our mission is to partner with a limited number of sponsors to provide excellent patient care, personalized service, and high quality data.

For more information about paid Los Angeles clinical trials, contact us today.

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Tanya Vapnik, Ph.D

Dr. Vapnik has been working in the field of clinical research for over 20 years. She began as a Research Nurse Coordinator with the UCLA Neuropsychiatric Hospital and Institute in 1992, where she is still presently working as a clinical principal investigator and psychologist in the Anxiety Disorders program. During her work in the Neuropsychiatric Institute she grew through the ranks of clinical research and participated as a rater, manager and Sub-I in multiple Los Angeles clinical trials. Dr. Vapnik received her doctorate in clinical psychology in 2001, and afterwards began working as a clinical psychologist in her own private practice. Around the same time, Dr. Vapnik started working as a Principal Investigator at the CALNEURO. Today, she continues her work in clinical research, with UCLA and now serves as Vice President of CALNEURO.

Emil Soorani, M.D.

Dr. Soorani serves as a clinical research investigator for CALNEURO. Dr. Soorani is a board certified physician with over 25 years of experience. He maintains a Medical/Psychiatric practice caring for Psychiatric patients as well as medically and surgically ill patients, while teaching at the UCLA Anxiety Disorder Clinic, performing medical legal consultation, and also as a speaker for pharmaceutical companies.

Lilly Rousseva-Stoyanova, Ph.D

Dr. Rousseva received her doctorate degree from the Institute of Psychology, Bulgarian Academy of Sciences. She has earned her Bachelor’s degree in Psychology, from the Technical University in Germany as well as her Master’s degree in Psychology from the Humboldt University located in Berlin, Germany. Dr. Rousseva-Stoyanova has been working at CALNEURO as a therapist and a clinical research rater since 2004. She has experience with adolescents and children. Her experience in the field of psychology and patient rapport make her invaluable to her patients.

Irina Lerner-Roiz

Mrs. Lerner-Roiz has been working in clinical research for nine years. She received a Bachelor’s degree in Sociology from University of California, Irvine, where she interned as a research assistant in the field of diabetes. After several years of working as a clinical research coordinator in areas such as asthma and allergies, Lerner-Roiz earned a Master’s degree in Health Science from Western University. Upon graduation, she joined CALNEURO as the Clinical Research Manager, and has overseen the growth of the clinical research department through numerous successful medical trials in Los Angeles. As her job responsibilities increased and widened, she has advanced to a Clinical Trial Director.

Christina Fosteson

Ms. Fosteson has been working in clinical research for six years. She graduated from the University of California, Los Angeles, where she earned a Bachelor’s degree in Physiological Science. Since 2008, she has worked in medical research managing clinical trials in various fields including asthma, allergy, cholesterol, diabetes, and mental health. Fosteson joined the CALNEURO team in 2010 where she started as a Senior Research Coordinator and continues to grow as a Clinical Research Manager.

For more information about paid Los Angeles clinical research, contact us today.

Our Facilities


CALNEURO was established with the sole purpose of conducting Los Angeles clinical research studies, and has been doing so ever since its doors opened in 1982. CALNEURO has extensive medical research experience in Psychiatry.

Therapeutic areas include:

  • Acne
  • Alzheimer’s Disease
  • Bipolar Disorder
  • Chronic Insomnia
  • Dementia
  • Diabetes
  • Fibromyalgia
  • Generalized Anxiety Disorder
  • Irritable Bowel Syndrome
  • Migraine
  • Major Depressive Disorder
  • Obsessive Compulsive Disorder
  • Panic Disorder
  • PHN
  • Schizophrenia
  • Social Phobia

Sponsors our staff has worked with:

  • Allergan
  • Astra-Zeneca
  • Bristol-Myers Squibb
  • Depomed
  • Eli Lily & Company
  • Envivo
  • Forrest Laboratories
  • Forum
  • GlaxoSmithKline
  • Janssen
  • Merck & Co., Inc
  • Naurex
  • Novartis
  • Paraxel
  • Pfizer, Inc
  • Sanofi Aventis
  • Sepracor
  • Shire
  • Takeda America
  • Wyeth-Ayerst

For more information about Los Angeles clinical research studies, contact us today.