Location · Oklahoma
Clinical trials recruiting in Oklahoma
249 recruiting studies have at least one site in Oklahoma; 45 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 Oklahoma.
249 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate Safety, Tolerability, and Immunogenicity of V350A and V350B in Healthy Participants (V350-001).
Merck Sharp & Dohme LLC
- Location
- Oklahoma City, OK + 5 other US sites
- Eligibility basics
- Ages 12–30
- RecruitingHealthy volunteersPhase 1/Phase 2
Neural Response to Inflammatory Challenge in Major Depressive Disorder
Laureate Institute for Brain Research, Inc.
- Location
- Tulsa, OK
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 3
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics
- Location
- Moore, OK + 55 other US sites
- Eligibility basics
- Ages 18–79
- RecruitingHealthy volunteers
Galleri® in the Medicare Population.
GRAIL, Inc.
- Location
- Oklahoma City, OK + 70 other US sites
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Observational Assessment of Skin Appearance Changes During PRX S Cosmetic Treatment in Participants With Acne-Prone Skin
WiQo S.p.A.
- Location
- Tulsa, OK + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- Oklahoma City, OK + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants
Pfizer
- Location
- Oklahoma City, OK + 20 other US sites
- Eligibility basics
- Ages 1 mo–4 mo
- RecruitingHealthy volunteers
Identification and Validation of Blood-Based Biomarkers for Early Detection of Asymptomatic Lung Cancer in High-Risk Heavy Smokers
Everest Detection, Inc.
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 30–80
- RecruitingHealthy volunteers
Motiva Implants® Post-Approval Study
Motiva USA LLC
- Location
- Oklahoma City, OK + 32 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Chickasha, OK + 46 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteers
Acellular Dermal Matrix Investigation in Breast Reconstruction
RTI Surgical
- Location
- Oklahoma City, OK + 11 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteersPhase 3
Safety and Efficacy of Brilaroxazine (RP5063) in Schizophrenia
Reviva Pharmaceuticals
- Location
- Oklahoma City, OK + 16 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
Assessment of CCM in HF With Higher Ejection Fraction
Impulse Dynamics
- Location
- Tulsa, OK + 64 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
TG Therapeutics, Inc.
- Location
- Oklahoma City, OK + 35 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)
Merck Sharp & Dohme LLC
- Location
- Oklahoma City, OK + 70 other US sites
- Eligibility basics
- Ages 16–80
- Recruiting
Synchronized Diaphragmatic Stimulation in Symptomatic Heart Failure
VisCardia Inc.
- Location
- Tulsa, OK + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Investigate the Effect of AZD6793 in Participants With Moderate to Very Severe Chronic Obstructive Pulmonary Disease
AstraZeneca
- Location
- Oklahoma City, OK + 58 other US sites
- Eligibility basics
- Ages 40+
- RecruitingPhase 3
Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD), Characterized by an Eosinophilic Phenotype
Sanofi
- Location
- Tulsa, OK + 70 other US sites
- Eligibility basics
- Ages 40–80
- RecruitingPhase 3
Efficacy, Safety and Tolerability of Switching From Glucagon-like Peptide-1 Receptor Agonists (GLP-1RA) to Maridebart Cafraglutide in Adults With Obesity or Overweight (MARITIME-SWITCH)
Amgen
- Location
- Chickasha, OK + 51 other US sites
- Eligibility basics
- Ages 18–99
- RecruitingPhase 3
An Open-Label, Safety and Efficacy Study of Cebranopadol in Participants With Acute Pain With Surgical or Non-Surgical Origin
Adneuris Therapeutics, Inc.
- Location
- Tulsa, OK + 14 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study to Evaluate the Maintenance Effect of Osavampator as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Neurocrine Biosciences
- Location
- Edmond, OK + 19 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Reducing Adverse Vascular Outcomes With Factor XI Inhibition in Adult Participants With Peripheral Artery Disease
Regeneron Pharmaceuticals
- Location
- Oklahoma City, OK + 26 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2/Phase 3
A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate to Severe Chronic Obstructive Pulmonary Disease
Pfizer
- Location
- Tulsa, OK + 58 other US sites
- Eligibility basics
- Ages 35–80
- RecruitingPhase 3
Long-Term Follow-up Study of Cantharidin (YCANTH [VP-102/TO-208]) in Patients With Common Warts (Verruca Vulgaris)
Verrica Pharmaceuticals Inc.
- Location
- Tulsa, OK + 9 other US sites
- Eligibility basics
- Ages 2+