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
Brain Mechanisms of Reducing Polysubstance Use
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effectiveness Comparison of 3D-Printed and Conventional Ear Tip Comfort in Individuals With Hearing in the Normal Range
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteers
Transgenerational Metabolic-Immune Biomarkers of Neurological and Neurodevelopmental Disorders
Southwest Autism Research & Resource Center
- Location
- Phoenix, AZ + 1 other US site
- Eligibility basics
- Up to age 18
- RecruitingHealthy volunteers
The Impact of Exercise on the Tumor Microenvironment in Patients With Lung Cancer
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Enhancing Health in Rural Populations: Music as Therapy
Northern Arizona University
- Location
- Flagstaff, AZ + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
SUV PDL1/PD1 in Sun Damaged & Sun Protected Human Skin of Participants
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
The Effects of Exercise on Immune Phenotype of Indolent Non-Hodgkin Lymphoma and Chronic Lymphocytic Leukemia Patients
Mayo Clinic
- Location
- Scottsdale, AZ + 1 other US site
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Multi-Cancer Detection Observational Cohort Study
Mayo Clinic
- Location
- Scottsdale, AZ + 2 other US sites
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Pyloric Sphincter Abnormalities in Patients With Gastroparesis Symptoms
Johns Hopkins Bloomberg School of Public Health
- Location
- Scottsdale, AZ + 4 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Addressing Disparities in Colorectal Cancer Screening in Black and Underserved Phoenix Communities
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 45+
- RecruitingHealthy volunteersPhase 3
Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors
SWOG Cancer Research Network
- Location
- Phoenix, AZ + 374 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Identification and Differentiation of Thyroid Nodules by Acoustic Imaging and Viscoelastic Parameters
Mayo Clinic
- Location
- Scottsdale, AZ + 2 other US sites
- Eligibility basics
- Ages 8+
- RecruitingHealthy volunteersPhase 4
Reduced Immunosuppression in Older Renal Transplant Recipients With Trugraf®/TRAC Monitoring (RIOT Trial): A Prospective, Randomized, Multicenter Trial.
Mayo Clinic
- Location
- Phoenix, AZ + 2 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Native Spirit: Significant Aim 3: Intervention
Arizona State University
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 12–17
- RecruitingHealthy volunteers
Media and Mental Health
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study of Neurodegeneration and Neuronal Fluctuations in Lewy Body Disease and Alzheimer's Disease
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 50–95
- RecruitingHealthy volunteers
Mapping of Electrical Properties in the Brain
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Investigating the Link Between Type 2 Immunity and NAFLD in Human Obesity
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 30–70
- RecruitingHealthy volunteers
Adequate Hydration and Health Outcomes
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 20–65
- RecruitingHealthy volunteers
Stand & Move at Work II: Effectiveness and Implementation of a Worksite Wellness Program
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study to Evaluate the Impact of Lactobacillus Rhamnosus GG on Proton Pump Inhibitor-Induced Gut Dysbiosis
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Alzheimer's Prevention Registry: A Program to Accelerate Enrollment Into Studies
Banner Health
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteersPhase 2
Omega-3D: Omega-3 for Diet-Driven Health Disparities
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Target ALS Biomarker Study; Longitudinal Biofluids, Clinical Measures, and At Home Measures
Target ALS Foundation, Inc.
- Location
- Phoenix, AZ + 9 other US sites
- Eligibility basics
- Ages 18+