Experience, Longevity, Quality and Service.

CenExel Centers of Excellence offer world-class quality and experience. CNR champions that standard.

CenExel CNR provides cutting-edge treatment while advancing medical research.

Founded in 2002, California Neuroscience Research has served our community and the clinical research industry in California, specializing in Alzheimer’s Disease Depressions, Migraine, Obsessive Compulsive Disorder (OCD), and Postpartum Depression Trials.

Over 1,000 clinical trials conducted in the past 20 years.
View Current Studies
CenExel CNR encompasses 33,000 square feet of facility space, 70 beds, and a full surgery center.
CenExel CNR exceeds 100% of patient target in recruitment.
Full-service, Phase I CRO capabilities provided through strategic partnerships.
CenExel CNR centralizes budgeting and contracting for faster study start-up.
group of people
CenExel CNR serves a broad and diverse demographic.

Center Leadership

Debra Hoffmeyer

Debra Hoffmeyer

Founder and CEO

Debra began her career in biotechnology, and has since held every position from patient recruiter and clinical research technician to rater and CEO of CenExel CIT. Debra holds certification in clinical research and is a member of the Society of Clinical Research Associates, the CNS Summit, National Clinical Drug Evaluation Unit (NCDEU) of the National Institute of Mental Health, and the Association of Clinical Research Professionals. She serves on the Finance Committee and Working Groups for Suicidal Thinking and Behavior Assessment and Signal Detection of the International Society for CNS Clinical Trials and Methodology (ISCTM). As CEO, Debra focuses her time on business development and attending conferences on the latest advancements in research and development.

David Poling

David Poling

Chief Financial Officer

Since joining CenExel CIT in 2006, David has focused on expanding CIT from one site in Orange County to five sites, covering Los Angeles, Riverside, Orange, and San Diego counties. As CFO, David directs all aspects of the business including clinical operations and facilities, accounting, legal agreements, human resources as well as monitoring of financial performance. David holds a BA degree in Finance from San Diego State University.

2018 – 2020 Statistics

Therapeutic Areas

Clinical Trials

Patients Enrolled



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Reaching new heights in clinical research

Our Centers of Excellence provide unparalleled medical and scientific support in the design and execution of clinical trials. Our attention to detail assures quality, reliable results, and has helped CenExel to consistently achieve and exceed patient recruitment goals. We deliver the expertise, engagement, and results to ensure our clients achieve their clinical research goals.

To speed up study implementation, we provide centralized budgeting and contracting for sponsors engaging multiple Centers of Excellence. The geographic diversity of our network offers strong access to roughly 35 million subjects while our broad therapeutic expertise enables a variety of clinical trial strengths.

Top Therapeutic Areas of Expertise

Alzheimer’s Disease
Anxiety Disorder
Bipolar Disorder
Depressive Disorders
Parkinson’s Disease

Seasonal Influenza
Pandemic Influenza

Acute Post-op Pain:
Open Hernia Repair
Wisdom Tooth Extraction

Healthy Volunteer (all ages)
Sleep Apnea
Women’s Health

Meet our Centers of Excellence

Click on any highlighted state to see our Centers of Excellence

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