• We strive to achieve the highest quality possible for the benefit of subjects and sponsors

  • Established, independent sites exchanging expertise and sharing a business development team

  • Seasoned dedicated research professionals, regulatory and recruitment staff, and sponsor relations team

  • Allied research sites and services in California, Texas, Florida, New Mexico, Colorado, New Jersey, North Carolina, West Virginia, and Oregon

About Us

Founded in 2000, Clinical Trial Centers Alliance is a unique group of independently owned and operated clinical research sites and service providers located throughout the US.

Linked by the desire to foster mutual growth and quality in the clinical trials we conduct, Alliance members exchange best practices and expertise in various therapeutic areas, and share a business development and sponsor relations team.

Clinical Research Sites

With seasoned research professionals and regulatory and recruitment staff, Alliance sites have the knowledge and experience to successfully execute your phase I-IV inpatient and outpatient clinical studies. All use a Central IRB.

Our Clinical Trial Experience

Alliance sites have vast phase I-IV clinical trial experience across a broad range of therapeutic areas.

  • Psychiatry: ADHD, anxiety, bipolar disorder, cognition, depression, PTSD, schizophrenia
  • Neurology: Alzheimer’s, multiple sclerosis, Parkinson’s, post-stroke
  • Sleep: chronic insomnia, excessive daytime sleepiness, narcolepsy, obstructed sleep apnea, polysomnography (PSG), restless legs syndrome (RLS), sleep maintenance
  • Pain: acute, chronic, fibromyalgia, migraine, neuropathic, osteoarthritis, post-surgical, pain modeling
  • Addictions: alcohol, binge eating, drug, opioid, smoking cessation
  • Medical: cardiology, endocrinology, gastrointestinal, immunology, infectious diseases, metabolic disorders, pulmonology, renal/hepatic, women’s health
  • Dermatology: acne, atopic dermatitis, melanoma, psoriasis, rosacea, skin infections
  • Ophthalmology: cataract, conjunctivitis, dry eye syndrome, glaucoma, macular degeneration
  • Specialty and Early Phase: Asian Bridging, driving impairment, Human Abuse Liability (HAL), healthy subjects, bioequivalence, rare/orphan diseases, device and product validation including digital therapies

Clinical Research Services

Our alliance includes complementary services to provide full solutions to run clinical programs.

  • Driving study solutions and more from our affiliated resource, Cognitive Research Corporation
  • Clinical assessments and trial services such as rater training, data management, consulting, and language services from our affiliated resource, VeraSci

Catch up on the latest Alliance news

Download the Alliance fact sheet

Download a presentation about us

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The Alliance is a division of Apex Innovative Sciences. Apex was formed in 2019 through the merger of CNS Research and Hassman Research Institute.


Apex Early Phase is a partnership offering unique capabilities to accelerate drug development.