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Clinical Research Advantage, Radiant Research, and Comprehensive Clinical Development have provided experienced research sites to the pharmaceutical industry for over 22 years. Together, we are the country’s largest wholly owned clinical trial sites with fully integrated quality systems and a database of over 2.5 million research participants. From Clinical Research Advantage sites model of being embedded within private practice physician offices to Radiant Research and Comprehensive Clinical Development stand alone research centers, all three companies have focused on providing efficient enrollment of clinical trials, high performance research sites, and submission of reliable data with particular experience and expertise in the conduct of trials. Our wholly-owned research sites boast exceptional clinical trial experience and utilize the skills of more than 500 researchers who have made a professional commitment to clinical research. Our Investigators and site personnel have successfully conducted more than 11,000 multi-therapeutic Phase I-IV studies at 75 sites nationwide. Overall, our sites have a 97% enrollment rate (defined as the number of participants enrolled into a study divided by the contracted number of participants) which places them in the top 5% of research sites in the country. All three companies also have a nationwide infrastructure of site support, recruitment and retention support and quality assurance programs to ensure quality and consistency to our sponsors.

Fiel Family and Sports Medicine has over 600 square feet dedicated to research, including 10 exam rooms, on site laboratory facilities, monitor room with high speed internet, copier, phone, and fax machine. The clinic also offers double locked, temperature controlled drug storage as well as locked, and temperature controlled document storage space.


Name Address Country
Clinical Research Advantage Corporation United States
Web Site: http: 


  • Fiel Family and Sports Medicine, PC - Radiant Research
    Casey Orvin
    1840 East Baseline Road, Suite C-2
    Tempe, Arizona 85283
    United States
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  • Last UpdatedApril 30, 2016 5:50pm EDT

Demographic Data

  • Start year clinical research1997
  • Phases of clinical studiesPhase II, Phase III, Phase IV
  • Types of studiesBiologics, Drugs, Medical Devices, Nutraceuticals, Vaccines
  • # of employees involved in research3
  • Days openMonday, Tuesday, Wednesday, Thursday, Friday
  • Extended office hoursYes
  • Dry iceYes
  • Blinded pharmacistYes
  • Dedicated monitoring spaceYes
  • Internet access for the monitorYes
  • Onsite laboratoryYes
  • Central laboratoryYes
  • Infusion capabilityYes
  • Shipping optionsFedEx, UPS, DHL
  • Type of IRB used by this siteCentral
  • Appropriate storage facilities for productYes
  • Able to appropriately store Schedule II drugsYes


  • Casey Orvin
    Casey Orvin

    EVP of Business Development
    Clinical Research Advantage/Radiant Research
    480-305-5702, corvin@crastudies.com