Phase 1 · Denver area, CO
Phase 1 clinical trials in Denver area, CO
32 recruiting studies have a site in the Denver area. This page includes nearby cities such as Aurora, Lakewood, Englewood, Littleton.
32 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study of BLB-201 RSV Vaccine in Infants and Children
Blue Lake Biotechnology Inc.
- Location
- Aurora, CO + 13 other US sites
- Eligibility basics
- Ages 6 mo–5
- RecruitingHealthy volunteersPhase 1
Study to Evaluate the Safety, Pharmacokinetic, and Pharmacodynamic Effects of MY006 in Healthy Volunteers and Patients With Peanut Allergy
Mabylon AG
- Location
- Aurora, CO + 7 other US sites
- Eligibility basics
- Ages 12–55
- RecruitingHealthy volunteersPhase 1
A Research Study Looking at How Different Doses of Study Medicine (Inno8) Work in the Body of People With Haemophilia A
Novo Nordisk A/S
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Ages 18–64 · Men only
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)
Novartis Pharmaceuticals
- Location
- Aurora, CO + 18 other US sites
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteersPhase 1
A Study of GSK4527363 in Healthy Participants, Systemic Lupus Erythematosus (SLE) Participants, Healthy Chinese, and Japanese Participants and CTD-ILD Participants
GlaxoSmithKline
- Location
- Aurora, CO + 2 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of ENP-501 in Peanut-Allergic and Non-Allergic Participants
N-Fold, LLC
- Location
- Aurora, CO
- Eligibility basics
- Ages 14–50
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of VGA039 in Healthy Volunteers and Patients With Von Willebrand Disease (VIVID)
Vega Therapeutics, Inc
- Location
- Aurora, CO + 9 other US sites
- Eligibility basics
- Ages 12–60
- RecruitingHealthy volunteersPhase 1
Use of Pulsatile Intravenous FSH to Mitigate Reprometabolic Syndrome
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 19–37 · Women only
- RecruitingHealthy volunteersPhase 1
Safety and Tolerability Trial of Psilocybin in Healthy Older Adults
University of Colorado, Denver
- Location
- Aurora, CO + 5 other US sites
- Eligibility basics
- Ages 65–85
- RecruitingHealthy volunteersPhase 1
Safety and Pharmacokinetics Study of PGT121.414.LS Alone and in Combination With VRC07-523LS in Infants Exposed to HIV-1
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersEarly Phase 1
Efficacy of Combined Ibuprofen and Acetaminophen Therapy Versus Ibuprofen Alone Versus Placebo Alone for Pain Management
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 12–80
- RecruitingHealthy volunteersPhase 1/Phase 2
Advair HFA in Healthy and HAPE Predisposed Subjects
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1
Maternal Choline Supplementation and Cannabis Use During Pregnancy: Impact on Early Brain Development
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 1/Phase 2
A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children With SCN1A-Positive Dravet Syndrome
Encoded Therapeutics
- Location
- Aurora, CO + 9 other US sites
- Eligibility basics
- Ages 6 mo–17
- RecruitingPhase 1/Phase 2
A Study of BMS-986528 in Participants With Refractory Rheumatoid Arthritis
Bristol-Myers Squibb
- Location
- Denver, CO
- Eligibility basics
- Ages 18–65
- RecruitingPhase 1/Phase 2
A Study to Investigate the Safety and Effectiveness of a Coagulation Factor IX Gene Insertion Therapy (REGV131-LNP1265) in Pediatric, Adolescent and Adult Participants With Hemophilia B
Regeneron Pharmaceuticals
- Location
- Aurora, CO + 16 other US sites
- Eligibility basics
- Ages 2+ · Men only
- RecruitingPhase 1/Phase 2
RESET-MG: A Study to Evaluate the Safety and Efficacy of CABA-201 in Participants With Generalized Myasthenia Gravis
Cabaletta Bio
- Location
- Aurora, CO + 16 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 1
A Clinical Study of Letermovir (MK-8228) in Children and Adolescents Who Receive a Kidney Transplant (KT) (MK-8228-077)
Merck Sharp & Dohme LLC
- Location
- Aurora, CO + 20 other US sites
- Eligibility basics
- Up to age 17
- RecruitingPhase 1/Phase 2
Phase 1b/2 Study of IV Sarilumab in Adult With RA
Sanofi
- Location
- Centennial, CO + 11 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1/Phase 2
ATTUNE: A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Intrathecally-Administered ION440 in Participants With Methyl CpG Binding Protein 2 (MECP2) Duplication Syndrome (MDS)
Ionis Pharmaceuticals, Inc.
- Location
- Aurora, CO + 7 other US sites
- Eligibility basics
- Ages 2–65 · Men only
- RecruitingPhase 1/Phase 2
A Study of Oral Nuvisertib (TP-3654) in Patients With Myelofibrosis
Sumitomo Pharma America, Inc.
- Location
- Denver, CO + 29 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1/Phase 2
A Study to Assess the Safety and Effects of ABBV-1758 Following Subcutaneous or Intravenous Injections in Participants With Alzheimer's Disease
AbbVie
- Location
- Boulder, CO + 10 other US sites
- Eligibility basics
- Ages 50–90
- RecruitingPhase 1/Phase 2
CNP-103 in Adolescent and Adult Subjects Ages 12-35 With Recently Diagnosed (Within 6 Months) Stage 3 Type 1 Diabetes (T1D)
COUR Pharmaceutical Development Company, Inc.
- Location
- Aurora, CO + 44 other US sites
- Eligibility basics
- Ages 12–35
- RecruitingPhase 1
A Study to Investigate the Safety and Preliminary Efficacy of ALLO-329, an Allogeneic CAR T-cell Therapy, in Adults With Autoimmune Disease
Allogene Therapeutics
- Location
- Aurora, CO + 15 other US sites
- Eligibility basics
- Ages 18–74
Who these studies look for
Phase 1 studies often have narrow eligibility: specific age and weight ranges, no recent participation in another study, no nicotine, and limits on medications. Some Phase 1 studies recruit patients rather than healthy volunteers, so check each listing.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.