Younger adults · Colorado
Studies for younger adults in Colorado
These studies accept adults from 21 or younger and set an upper age limit of 45 or below, so they are aimed at younger adults. Being in the age range does not mean you qualify; screening decides.
46 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Advanced SPinal Innovations With Robotics and Enabling Technology Registry
Boston Children's Hospital
- Location
- Aurora, CO + 6 other US sites
- Eligibility basics
- Ages 0 mo–21
- RecruitingHealthy volunteers
Biomarkers for Peripheral Circadian Clocks in Humans
University of Colorado, Boulder
- Location
- Boulder, CO
- Eligibility basics
- Ages 17–35
- RecruitingHealthy volunteers
Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder
University of Colorado, Boulder
- Location
- Boulder, CO + 1 other US site
- Eligibility basics
- Ages 16–40
- RecruitingHealthy volunteers
Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
The Early and Late Contribution of Fasting and Postprandial Triglycerides on Newborn Subcutaneous and Intrahepatic Fat in Pregnancy
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–39
- RecruitingHealthy volunteers
Timing of Energy Availability on Menstrual Cycle Function
University of Colorado, Colorado Springs
- Location
- Colorado Springs, CO
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Triple EIT (Electrical Impedance Tomography)
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–25
- RecruitingHealthy volunteers
Study of Placental Function in Healthy and Pathological Pregnancies
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Effects of High Altitude on AMPK Activation
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Pilot Study of Suction as a Mechanism of IUD Expulsion With Concomitant Menstrual Cup Use
University of Colorado, Denver
- Location
- Denver, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Effects of Physical and Psychosocial Stress on Functional Hypothalamic Amenorrhea in Exercising Women
University of Colorado, Colorado Springs
- Location
- Colorado Springs, CO
- Eligibility basics
- Ages 18–35 · Women only
- RecruitingHealthy volunteers
Genesis Electrical Impedance Tomography (EIT): A Preliminary Study
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–40
- RecruitingHealthy volunteers
Health Without Barriers/Salud Sin Barreras
Colorado State University
- Location
- Durango, CO
- Eligibility basics
- Ages 11–19
- RecruitingHealthy volunteers
Neurophysiologic Biomarkers in Rett Syndrome
Children's Hospital of Philadelphia
- Location
- Aurora, CO + 5 other US sites
- Eligibility basics
- Ages 1–18 · Women only
- RecruitingHealthy volunteers
MIRA CONNECT Study
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Countermeasures to Circadian Misalignment
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
TrialNet Pathway to Prevention of T1D
University of South Florida
- Location
- Denver, CO + 16 other US sites
- Eligibility basics
- Ages 2–45
- RecruitingHealthy volunteers
Mindfulness Application Effects on Mental Health Symptoms in Children With Severe Tinnitus and Misophonia
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 10–18
- RecruitingHealthy volunteers
Improving Maternal Sleep and Mental Health
University of Colorado, Colorado Springs
- Location
- Colorado Springs, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 2
Effects of THC on Alcohol Consumption and Neural Correlates of Reward
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 21–40
- RecruitingHealthy volunteersPhase 4
Cardiometabolic Consequences of the Loss of Ovarian Function
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 20–45 · Women only
- RecruitingHealthy volunteers
A Prospective Study of a Mosaic Embryo Transfer
Colorado Center for Reproductive Medicine
- Location
- Lone Tree, CO
- Eligibility basics
- Ages 18–45 · Women only