Location · Arizona
Clinical trials recruiting in Arizona
621 recruiting studies have at least one site in Arizona; 136 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 Arizona.
621 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Primary Prevention of Obesity in American Indian Youth in Rural Tribal Schools
Northern Arizona University
- Location
- Flagstaff, AZ
- Eligibility basics
- Ages 8–10
- RecruitingHealthy volunteers
Understanding of Genetics by Men at Risk for Prostate Cancer
Mayo Clinic
- Location
- Phoenix, AZ + 2 other US sites
- Eligibility basics
- Ages 40–95 · Men only
- RecruitingHealthy volunteers
Multi-Cancer Early Detection (MCED) of Firefighters
Vincere Cancer Center
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Caffeine Optimization Versus Standard Caffeine Dosage (2B-2)
University of Arizona
- Location
- Tucson, AZ + 1 other US site
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
Effect of Morning Light Exposure on Mood
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Effectiveness of Transcranial Magnetic Stimulation of the Default Mode Network to Improve Sleep - Clinical Trial
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
A Developmental Framework For Linking Phonological And Morpho-syntactic Sequential Pattern Rules In DLD: Production
Father Flanagan's Boys' Home
- Location
- Tucson, AZ + 1 other US site
- Eligibility basics
- Ages 4–8
- RecruitingHealthy volunteersPhase 2
4-aminopyridine for Skin Wound Healing
John Elfar
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Early Avocado Exposure on Development and the Gut Microbiome in American Hispanic Infants
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 4 mo–6 mo
- RecruitingHealthy volunteers
High-Resolution Lower Dose Dedicated Breast Computed Tomography (CT)
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 40+ · Women only
- RecruitingHealthy volunteers
Auditory Prediction and Error Evaluation in the Speech of Individuals Who Stutter
Arizona State University
- Location
- Tempe, AZ + 1 other US site
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteers
Pulses: Optimizing Pulse Consumption for Cardiometabolic Health
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Effects of Spirulina Supplementation on Mental Health in Healthy Adults
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 16–65
- RecruitingHealthy volunteers
Disentangling the Role of Culture, Life Stage, and Information Design to Facilitate Equity in Data Report Back
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 10+
- RecruitingHealthy volunteers
Effect of Exercise and Heat Stress on Acute Cardiometabolic Adaptations in Healthy Young Adults
Northern Arizona University
- Location
- Flagstaff, AZ
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Enhancing Language Function in Aphasia
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 21–80
- RecruitingHealthy volunteers
A Culturally-relevant Micronutrient-dense Plant-rich (mNDPR) Dietary Intervention for Native Americans
Northern Arizona University
- Location
- Flagstaff, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Occupational Exposures Among Firefighters
Vincere Cancer Center
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
CHDI Foundation, Inc.
- Location
- Phoenix, AZ + 51 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Vincere Biobank Research Protocol
Vincere Cancer Center
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Gait Analysis of a Lateral-Pivot Design Total Knee Replacement
More Foundation
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 50+