Supporting research visits in dedicated inpatient and outpatient research facilities as well as limited mobile services to conduct research visits for IRB-approved protocols.

The CTRC supports both investigator-initiated studies, including multi-center NIH studies, and industry-initiated protocols. All services are provided as fee-for-service resources with federally-funded studies receiving subsidized rates.

Research Nursing Services

Provides expert research nursing support for protocol implementation and data collection in populations across the lifespan from birth to older age at:

All services are provided as fee-for-service resources. Only IRB-approved protocols can request CTRC services.


For additional information, please reach out to the appropriate CTRC Contacts listed on this page

Core Lab Services

CTRC Core Laboratory Services support IRB-approved protocols with a wide range of analytical testing including chemical, hormone, metabolite, and immunological assays. CTRC Core Laboratories are CAP- and CLIA-accredited and provide trained personnel, reagents, equipment, and QC capabilities to conduct assays for research studies.

All services are provided as fee-for-service resources.


For additional information, please contact Core Lab Services.

University of Colorado Hospital CTRC Core Lab

Chemical and immunological assays, including peptide/hormone measures by HPLC, RIA, ELISA, Chemiluminescence, and spectrophotometry;  Processing of blood, urine and saliva.

Authorization Request to access data

Request access to obtain your University of Colorado Hospital CTRC assay results.

Adult CTRC Lab Hours: Monday and Friday, 7:30 am - 4:00 pm
Tuesday - Thursday, 7:30 am - 4:30 pm

Children’s Hospital Colorado CTRC Core Lab

Chemical and immunological assays including cytokine and fat soluble vitamin assays, UPLC, HPLC, ELISA, Luminex, RIA, Nephelometry, chemiluminescence, and spectrophotometry.

Processing of sputum, tracheal aspirates, and BAL fluids

CHCO CTRC Lab Hours: Monday - Friday, 8:00 am - 4:30 pm

National Jewish Health CTRC Inflammation & Immunology Core Lab

Nutrition Services

Providing nutrition research expertise and assistance for clinical research protocols.

Only CTRC-approved protocols can request Nutrition Services. All services are provided as fee-for-service resources.


  • The Nutrition Core will offer curbside pick-up to participants that do not have other appointments at the CTRC Clinic. Please have participants call 720-848-6673 when they are ready to pick-up their food at the scheduled time.
  • Metabolic meal planning and design, individualized for participant energy needs, food preferences, and study macro- and/or micro-nutrient targets
  • Metabolic meal preparation measurement, and dispensation
  • Dietary intake assessment – habitual and during protocol interventions
  • Hunger and satiety assessment 
  • Ad libitum feeding
  • Growth, body composition, and resting metabolic rate (RMR) measurements in children
  • Consultation on study design, American dietary norms, and ways to achieve specific dietary intervention targets
  • Protocol-specific dietary counseling and instruction
  • Design of palatable and acceptable foods/diets containing novel ingredients, combinations, or to mimic foreign specifications (eg. agrarian rural diet from a specific part of the world)

More on Nutrition Services


For additional information, please contact Nutrition Services.

Cardiovascular BioImaging

The Cardiovascular BioImaging Core offers imaging techniques in vascular and cardiac ultrasound to provide a comprehensive assessment of cardiovascular health in children and adults:

  • Brachial artery endothelial function testing
  • Arterial stiffness
  • Intimal-medial thickness
  • Real-time three-dimensional (3D/4D) echo technology
  • Speckle tracking imaging that enables accurate measures regional and global cardiac function


Clinical Research Support Team (CReST)

Provides a pool of experienced study coordinators and regulatory staff to assist with clinical research study start-up, implementation, and closeout. This resource alleviates the administrative burden associated with training and managing research staff and allows investigators to pay only for the amount of effort required.

See the CReST website for more information and pricing.


Scheduling with CTRC Scheduler

Scheduler will allow you to schedule across all CTRC services. Please see our Scheduler page for various topics such as:

  • How to access and use CTRC Scheduler
  • Accessing your protocols in CTRC Scheduler
  • CTRC Scheduler for Cancer Center inpatient visits
  • Requesting an MRN or appointment hold

CTRC Scheduler