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ClinicalTrials.gov public records Last synced Oct 10, 2026, 2:42 PM EDT

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Showing 73–96 of 126 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: University of Colorado, Boulder Clear all
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 3

NCT06669585
View directory record Official record
Conditions
Cannabis, Memory, Electroencephalography
Interventions
Cannabis (smoked flower)
Drug
Lead sponsor
L. Cinnamon Bidwell
Other
Eligibility
21 Years to 40 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Completed No phase listed Observational Results available

Pain Research: Innovative Strategies With Marijuana

NCT03522324
View directory record Official record
Conditions
Chronic Pain, Chronic Low Back Pain, Cannabis Use
Interventions
Cannabis Edible
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 70 Years
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 10, 2026, 2:42 PM EDT
Active, not recruiting Phase 4 Interventional

Nitrite-boosting Therapy for Improving Physiological Function in Patients With Chronic Kidney Disease

NCT03826147
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Nitrate-rich beetroot juice, Nitrate-depleted beetroot juice
Dietary Supplement
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
30 Years to 80 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adaptive Responses to Overfeeding and Weight

NCT03857048
View directory record Official record
Conditions
Obesity
Interventions
Weight Loss, Exercise training, Overfeeding
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 10, 2026, 2:42 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Studies of Human Inference Using On-line Testing

NCT05848752
View directory record Official record
Conditions
Behavior
Interventions
psychophysics
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The REACH Study: A Novel Values-Based Intervention to Increase Endocrine Therapy Adherence Among Breast Cancer Survivors

NCT03980093
View directory record Official record
Conditions
Breast Cancer
Interventions
Education, Values
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Greenwood Village, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biomarkers of Increased Free Living Sleep Time

NCT04214184
View directory record Official record
Conditions
Sleep Deprivation, Insufficient Sleep Syndrome, Sleep Wake Disorders
Interventions
Increased sleep duration
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oral Supplementation With 1 mg of KGA-10 Daily (a Novel Environmentally-derived Mycolicibacterium) for Stress, Sleep, and Inflammation

NCT07604038
View directory record Official record
Conditions
Stress Resilience, Systemic Inflammation, General Wellbeing, Sleep Quality, Safety
Interventions
Mycolicibacterium petrae KGA-10 (heat-killed), Placebo (microcrystalline cellulose)
Dietary Supplement
Lead sponsor
Kioga Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety & Efficacy of Nicotinamide Riboside Supplementation for Improving Physiological Function in Middle-Aged and Older Adults

NCT02921659
View directory record Official record
Conditions
Aging
Interventions
Niagen™, Placebo
Dietary Supplement
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
55 Years to 79 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 10, 2026, 2:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 1

NCT05868213
View directory record Official record
Conditions
Cannabis, Memory, Electroencephalography
Interventions
Cannabis (smoked flower)
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 40 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Results available

Preventing Depressive Relapse in Pregnant Women With Recurrent Depression

NCT03623620
View directory record Official record
Conditions
Depression, Pregnancy Related, Antenatal Depression
Interventions
Digital Delivery of Mindfulness-Based Cognitive Therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Boulder, Colorado • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smartphone App-guided Inspiratory Muscle Strength Training for Lowering Systolic Blood Pressure

NCT06229873
View directory record Official record
Conditions
Blood Pressure, Vascular Function, Adherence, Treatment
Interventions
App-Based Inspiratory Muscle Strength Training, Clinic-Based Inspiratory Muscle Strength Training
Device
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Biomarkers for Peripheral Circadian Clocks in Humans

NCT06296823
View directory record Official record
Conditions
Circadian Rhythms
Interventions
Simulated jetlag protocol
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
17 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Recruiting Phase 2 Interventional

Longitudinal Outpatient Treatment for Cannabis Use Disorder

NCT06107062
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Cannabidiol - fsCBD, Placebo, Cannabidiol - bsCBD
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treatment Seeking for Social Anxiety

NCT04196296
View directory record Official record
Conditions
Social Anxiety
Interventions
Psychoeducation, Motivation
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
919 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nitrite Supplementation for Improving Physiological Function in Older Adults

NCT02393742
View directory record Official record
Conditions
Ageing
Interventions
Sodium nitrite, Placebo
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
60 Years to 79 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Dietary Sodium Restriction of Improving Vascular Endothelial Function in Middle Aged and Older Adults

NCT01566084
View directory record Official record
Conditions
Hypertension
Interventions
Slow sodium tablets, placebo
Drug · Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
50 Years to 79 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Results available

Scaling Up Maternal Mental Healthcare by Increasing Access to Treatment (SUMMIT)

NCT04153864
View directory record Official record
Conditions
Perinatal Depression
Interventions
Brief Behavioral Activation Treatment
Behavioral
Lead sponsor
Mount Sinai Hospital, Canada
Other
Eligibility
18 Years and older · Female only
Enrollment
1,230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Evanston, Illinois • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional

Sleep, Blood Pressure and Vascular Health

NCT04017039
View directory record Official record
Conditions
Blood Pressure, Sleep
Interventions
Targeted Sleep Intervention
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
45 Years to 65 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Strategies to Enhance the Experience of Exercise

NCT03453671
View directory record Official record
Conditions
Physical Activity
Interventions
Mindfulness, Distraction, Self-monitoring
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 40 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 10, 2026, 2:42 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Community Activation for Prevention (CAPs): A Study of Community Gardening

NCT03089177
View directory record Official record
Conditions
Cancer, Obesity, Lifestyle, Sedentary, Physical Activity, Health Behavior, Chronic Disease, Diet Modification
Interventions
Community Garden Intervention
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Teleoperation Experimental Comparison With Able-bodied Subjects

NCT05048394
View directory record Official record
Conditions
Amputation; Traumatic, Arm, Upper
Interventions
Semi-autonomous myoelectric control algorithm, Standard-of-care myoelectric control algorithm
Device
Lead sponsor
Point Designs
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 10, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Peer-Delivered Body Project for Young Women in High School

NCT04263155
View directory record Official record
Conditions
Eating Disorders in Adolescence
Interventions
The Body Project
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 10, 2026, 2:42 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Inspiratory Muscle Strength Training for Lowering Blood Pressure and Improving Endothelial Function in Postmenopausal Women: Comparison With "Standard of Care" Aerobic Exercise

NCT05000515
View directory record Official record
Conditions
Aging, Blood Pressure, Endothelial Dysfunction, Hypertension
Interventions
High-resistance inspiratory muscle strength training, Aerobic exercise
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
50 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 10, 2026, 2:42 PM EDT