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 volunteers
Oklahoma Study of Native American Pain Risk IV: Smoking Cessation and Pain
University of Oklahoma
- Location
- Tulsa, OK
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Effect of Near-infrared Light Therapy on Brain Function and Cognition in Young and Older Adults
University of Oklahoma
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 21–85
- RecruitingHealthy volunteers
Binaural Cue Sensitivity in Children and Adults With Combined Electric and Acoustic Stimulation
Hearts for Hearing
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteersPhase 3
Geriatric Evaluation and Management With Survivorship Health Education for Older Survivors of Cancer, GEM-S Trial
University of Rochester
- Location
- Lindsay, OK + 43 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Combined Electric and Acoustic Hearing (EAS) in Children and Adults
Hearts for Hearing
- Location
- Edmond, OK + 2 other US sites
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Dose-Dependent Effects of Low-Intensity Focused Ultrasound
Laureate Institute for Brain Research, Inc.
- Location
- Tulsa, OK
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Attitudes and Perceptions Attitudes and Smoking Perceptions in the Real Environment -II
University of Oklahoma
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 18–34
- RecruitingHealthy volunteers
Oklahoma Study of Native American Pain Risk III: Stress and Resilience
University of Oklahoma
- Location
- Tulsa, OK
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
IN Midazolam vs IN Dexmedetomidine vs IN Ketamine During Minimal Procedures in Pediatric ED
University of Oklahoma
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 1–5