CirQuest Labs is an industry leader in specialized laboratory services. Drug or drug-device development is a multidisciplinary activity that requires scientific and translational expertise, technical knowledge, and proven proficiency in studies ranging from proof-of-concept to clinical evaluation. We are experts in these areas.

CirQuest Labs provides a new combination of value-added skills with science know-how that aids in the evaluation of new targets and launches new drugs. We represent a new generation of companies with a broad and customizable set of basic, translational and clinical research capabilities that serve as an extension of your in-house operations. We help you identify companion tests. Our responsiveness and personalized services in soluble and cell-based assay development, biomarker testing, clinical trial substudies, and central lab support, including biostorage exceed the industry standard. We are cGLP compliant, State of Tennessee licensed, and a CLIA approved laboratory. We adhere to ISBER best practices for repositories of biological materials for research and are a 21 CFR Part 11 compliant biospecimen management system.

We Are Navigators in the Life Sciences

Whether you know where to start or are looking for someone to guide the way, let us develop a custom plan to help you meet your research and development needs.

Assay Development

Our highly-experienced team takes the guess work out of developing unique and specialty assays while providing you with a diverse knowledge-base, cutting edge technology and instrumentation, and highly reproducible, consistent results.

Lab Services

With over thirty years of laboratory experience, we are the perfect balance of old school understanding and new age concepts and technology.

Sample Management

Sample Management Solutions

Your biological samples are the basis of your research. Their care is the basis of our operation.

Clinicl Trials Services

With over thirty years of laboratory experience, we are the perfect balance of established credibility and modern technology.

Where Do You Need a Navigator?


Our Core Competencies

Excelling in research and clinical testing, with a full understanding of biologic mechanisms and disease targets, to assist in the development of drugs and devices using state-of-the-art technology.

Serving as a central laboratory for global clinical trials, especially those requiring complicated diagnostic and laboratory testing and challenging sampling logistics.


Assisting in the design and execution of research and clinical studies using decades of academic and clinical experience.


​"CirQuest successfully and efficiently coordinated a multi-nation sub-study that involved precise blood collection and processing, sample shipping, global logistical challenges and biomarker analysis. Their efforts added significant value to our overall study, and contributed greatly to the library of knowledge regarding cardiovascular biomarkers in subjects with ACS."

—  Medical Director,

    Top 10 Pharma 

   "CirQuest Labs [provided] outstanding support for the Phase 1 study of our new [antagonist]…It was a demanding study, requiring a large number of platelet [function] studies …. over a short period of time… [the team's] excellent training of the site personnel who performed the … studies and your provision of validated reagents resulted in our ability to obtain highly robust data that are extremely valuable to us in dose-selection for the planned upcoming Phase 2 study. In addition, [the team’s] highly organized record keeping and rapid analysis and return of data were all extremely important in helping us make real time decisions about the conduct of the study."

—  Co-Founder,

         Emerging Pharma Company

It has been a pleasure working with [the CirQuest Labs team] to develop receptor occupancy assays for use in the clinical trial setting.[Their expert] led efforts to successfully validate and implement these assays...resulting in quality data which are helping us to inform drug dosing and pharmacokinetics.

—  VP of Translational Medicine,

    Mid-sized Pharma Company 

Industry Leaders Say