Location · Colorado
Clinical trials recruiting in Colorado
591 recruiting studies have at least one site in Colorado; 183 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Colorado.
591 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingPhase 3
MAGNITUDE: A Phase 3 Study of NTLA-2001 in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR-CM)
Intellia Therapeutics
- Location
- Denver, CO + 36 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingPhase 3
To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome
Biomed Industries, Inc.
- Location
- Aurora, CO + 13 other US sites
- Eligibility basics
- Ages 5–20 · Women only
- RecruitingPhase 3
Study on Efficacy and Safety of Givinostat Versus Hydroxyurea in Patients With Polycythemia Vera
Italfarmaco
- Location
- Englewood, CO + 12 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Phase 2 Study to Evaluate Therapies for Inflammatory Bowel Disease
Mirador Therapeutics, Inc.
- Location
- Colorado Springs, CO + 42 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 2/Phase 3
A Study of TAK-861 for the Treatment of Selected Central Hypersomnia Conditions
Takeda
- Location
- Colorado Springs, CO + 18 other US sites
- Eligibility basics
- Ages 16–70
- RecruitingPhase 3
Study to Learn About the Safety of Fazirsiran and if it Can Help People With Alpha-1 Antitrypsin Liver Disease With Mild Liver Scarring (Fibrosis)
Takeda
- Location
- Colorado Springs, CO + 19 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
52 Week Study + 24-Month Long-Term Extension of Safety, PK, & Efficacy of XYOSTED® for Testosterone Replacement in Male Adolescents With Hypogonadism
Halozyme Therapeutics
- Location
- Aurora, CO + 19 other US sites
- Eligibility basics
- Ages 12–17 · Men only
- Recruiting
Endovascular Repair With Fenestrated TREO Stent-Graft System in AAA
Bolton Medical
- Location
- Colorado Springs, CO + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Trial of Setmelanotide in Patients With Congenital Hypothalamic Obesity (Sub-study of NCT05774756)
Rhythm Pharmaceuticals, Inc.
- Location
- Aurora, CO + 7 other US sites
- Eligibility basics
- Ages 4+
- RecruitingPhase 3
A Study of the Efficacy and Safety of DMX-200 in Patients With FSGS Who Are Receiving an ARB
Dimerix Bioscience Pty Ltd
- Location
- Denver, CO + 19 other US sites
- Eligibility basics
- Ages 12–80
- RecruitingPhase 3
A Study of a Novel Iron-based Phosphate Binder AP301 in Patients With Hyperphosphatemia in the U.S. and China
Alebund Pharmaceuticals
- Location
- Lone Tree, CO + 17 other US sites
- Eligibility basics
- Ages 12+
- RecruitingPhase 3
Study to Evaluate the Efficacy and Safety of Deuruxolitinib in Adolescents With Severe Alopecia Areata
Sun Pharmaceutical Industries, Inc.
- Location
- Denver, CO + 53 other US sites
- Eligibility basics
- Ages 12–17
- RecruitingPhase 1/Phase 2
A Phase 1/2 Study of NRTX-1001 Neuronal Cell Therapy in Drug-Resistant Bilateral Mesial Temporal Lobe Epilepsy (MTLE)
Neurona Therapeutics
- Location
- Aurora, CO + 15 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
Assessment of the Safety and Efficacy of 0.1% RGN-259 Ophthalmic Solution for the Treatment of NK: SEER-2
ReGenTree, LLC
- Location
- Longmont, CO + 23 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
PROGRESS: Management of Moderate Aortic Stenosis by Clinical Surveillance or TAVR
Edwards Lifesciences
- Location
- Loveland, CO + 49 other US sites
- Eligibility basics
- Ages 65+
- RecruitingPhase 3
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co. Ltd
- Location
- Denver, CO + 34 other US sites
- Eligibility basics
- Ages 12–18
- Recruiting
NEXUS Aortic Arch Clinical Study to Evaluate Safety and Effectiveness
Endospan Ltd.
- Location
- Aurora, CO + 23 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Oral Pyridoxal 5'-Phosphate for the Treatment of Patients With PNPO Deficiency
Medicure
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Any age listed
- RecruitingPhase 3
Study of Navtemadlin add-on to Ruxolitinib in JAK Inhibitor-Naïve Patients With Myelofibrosis Who Have a Suboptimal Response to Ruxolitinib
Kartos Therapeutics, Inc.
- Location
- Aurora, CO + 57 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Single Dose of BRTX 100 for Patients With Chronic Lumbar Disc Disease (cLDD)
BioRestorative Therapies
- Location
- Greenwood Village, CO + 13 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Phase 3B Study to Evaluate Bone Mineral Density With Long-Term Use of Relugolix Combination Tablet in Women With Uterine Fibroids or Endometriosis
Sumitomo Pharma Switzerland GmbH
- Location
- Aurora, CO + 101 other US sites
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingPhase 2
Study of ALTO-300 in MDD
Alto Neuroscience
- Location
- Colorado Springs, CO + 36 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 2
A Study to Evaluate the Safety and Efficacy of NEXAGON® (Lufepirsen Ophthalmic Gel) in Subjects With PCED
Glaukos Corporation
- Location
- Colorado Springs, CO + 19 other US sites
- Eligibility basics
- Ages 2+
- RecruitingPhase 2
Study With Phage for CF Subjects With Pseudomonas Lung Infection
BiomX Ltd
- Location
- Denver, CO + 8 other US sites
- Eligibility basics
- Ages 18+