Healthy volunteers · Iowa
Studies for healthy volunteers in Iowa
67 studies have at least one recruiting site in Iowa. These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
67 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Concurrent TMS-fMRI
Jing Jiang
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Investigating Mediodorsal Thalamus Representations Underlying Human Cognitive Flexibility
Kai Hwang
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Beat Childhood Cancer Specimen Banking and Data Registry
Giselle Sholler
- Location
- Iowa City, IA + 16 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Cell Free DNA in Cardiac Sarcoidosis
Nabeel Hamzeh
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cognitive Control to Boost Physical Activity Adherence
University of Iowa
- Location
- Iowa City, IA + 1 other US site
- Eligibility basics
- Ages 40–65
- RecruitingHealthy volunteers
The Iowa ACEs and Sleep Cohort and Manipulating Sleep in Young Adults With ACEs Studies
Nathaniel Jenkins
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–29
- RecruitingHealthy volunteers
Probing the Role of Mitochondrial Oxidative Stress in Impaired Vascular Function Among Young Adults With Early Life Adversity
University of Iowa
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–29
- RecruitingHealthy volunteers
Ischemic Conditioning During Air tRansport Save penUmbral Tissue
Enrique Leira
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 4
Comparison of Interscalene Catheter to Single Injection Interscalene Blocks for Total Shoulder Arthroplasties
Melinda Seering
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Pregnancy 24/7 Offspring Study
Kara Whitaker
- Location
- Iowa City, IA + 1 other US site
- Eligibility basics
- Ages 0 mo–47
- RecruitingHealthy volunteers
Interactive Resuscitation Application for Mothers About to Experience Premature Infant Resuscitation
Stephanie Stewart
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
The Heartland Study
Heartland Health Research Alliance
- Location
- Iowa City, IA + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
E-Tailored Pain Management Support for Dementia Family Caregivers: Feasibility of the PACE-app
University of Iowa
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteersPhase 4
Oxytocin and Fetal Heart Rate Changes
Unyime Ituk
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–55 · Women only
- RecruitingHealthy volunteersPhase 4
Preop Laxatives in Robotic Urologic Surgery
Chad R. Tracy
- Location
- Iowa City, IA
- Eligibility basics
- Ages 30–100
- RecruitingHealthy volunteers
Language Outcomes, Mechanisms, and Trajectories in Adults With and Without Developmental Language Disorder
University of Iowa
- Location
- Iowa City, IA
- Eligibility basics
- Ages 30–35
- RecruitingHealthy volunteersPhase 4
Stimulant Effects on Disruptive Behavior
Matthew J O'Brien, PhD, BCBA-D
- Location
- Iowa City, IA
- Eligibility basics
- Ages 4–12
- RecruitingHealthy volunteers
Brain-to-brain Synchrony in Ss With Different Levels of Social Interaction
Maharishi International University
- Location
- Fairfield, IA
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
CHDI Foundation, Inc.
- Location
- Iowa City, IA + 51 other US sites
- Eligibility basics
- Ages 18+
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.