Healthy volunteers · Texas
Studies for healthy volunteers in Texas
474 studies have at least one recruiting site in Texas. 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.
474 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteersPhase 3
A Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adults 18-64 Years of Age
GlaxoSmithKline
- Location
- DeSoto, TX + 11 other US sites
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteersPhase 3
Fertilo In Vitro Research Study and Trial
Gameto, Inc.
- Location
- Addison, TX + 15 other US sites
- Eligibility basics
- Ages 18–35 · Women only
- RecruitingHealthy volunteers
BoxX-NoAF Clinical Trial
AtriCure, Inc.
- Location
- Austin, TX + 30 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
ProACT Post-Approval Study
Uromedica
- Location
- Arlington, TX + 13 other US sites
- Eligibility basics
- Ages 50+ · Men only
- RecruitingHealthy volunteersPhase 3
Lot-to-lot Consistency Study of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From 2 Months of Age
Sanofi
- Location
- Edinburg, TX + 13 other US sites
- Eligibility basics
- Ages 1 mo–2 mo
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- Houston, TX + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparison of ACUVUE® OASYS MAX 1-Day Multifocal and DAILIES® AquaComfort Plus® Multifocal
Johnson & Johnson Vision Care, Inc.
- Location
- Houston, TX + 9 other US sites
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteersPhase 3
A Study of COVID-19 Vaccine(s) in Children and Adults
BioNTech SE
- Location
- Dallas, TX + 13 other US sites
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Wearable Photoplethysmography for Non-invasive Hydration Assessment
PepsiCo Global R&D
- Location
- Frisco, TX + 1 other US site
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Dozee Validation for Contactless Heart Rate and Respiration Monitoring in Clinical Settings
Turtle Shell Technologies Pvt. Ltd.
- Location
- Lake Jackson, TX
- Eligibility basics
- Ages 22–100
- RecruitingHealthy volunteers
This Study Evaluates the ALPCO Syphilis-T and Syphilis-NT CLIA Kits for Detecting Syphilis Antibodies in Serum and Plasma. Samples From At-risk, HIV-positive, Pregnant, and Healthy Individuals Will Assess Assay…
American Laboratory Products Company
- Location
- Houston, TX + 5 other US sites
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteersPhase 4
Efficacy of M640 in Acute Lumbosacral Musculoskeletal Conditions.
Primus Pharmaceuticals
- Location
- Colleyville, TX + 7 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Falcon Real World Evidence Registry
Exact Sciences Corporation
- Location
- Dallas, TX + 1 other US site
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Observational, Non-Interventional Study Supporting Validation of eVO2peak Using Results in Patients Receiving Standard of Care Cardiopulmonary Exercise Tests (CPET)
Prolaio
- Location
- Dallas, TX + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents
Pfizer
- Location
- Corpus Christi, TX + 49 other US sites
- Eligibility basics
- Ages 1–17
- RecruitingHealthy volunteers
A Prospective Controlled Study to Evaluate the Safety and Effectiveness of Thermage® FLX Radiofrequency Treatment
Bausch Health Americas, Inc.
- Location
- Houston, TX + 5 other US sites
- Eligibility basics
- Ages 30–60
- RecruitingHealthy volunteers
Study to Evaluate the Safety of Retreatment With Restylane® Lyft With Lidocaine for Augmentation of the Chin Region
Galderma R&D
- Location
- Spring, TX + 6 other US sites
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Effects of Eggshell Membrane and Curcumin Extract Supplementation, Separately or Combined, on Recovery From Intense Exercise
ESM Technologies, LLC
- Location
- College Station, TX
- Eligibility basics
- Ages 18–40 · Men only
- RecruitingHealthy volunteers
Effect of Sage Extract Supplementation on Cognitive Function in Middle-Aged Men and Women
ESM Technologies, LLC
- Location
- College Station, TX
- Eligibility basics
- Ages 40–60
- RecruitingHealthy volunteers
Comparative Self-collection for Cervical Cancer Screening Pivotal Study
Mel Mont Medical
- Location
- Houston, TX + 10 other US sites
- Eligibility basics
- Ages 25–65 · Women only
- RecruitingHealthy volunteers
Shield Post-Approval Study Protocol
Guardant Health, Inc.
- Location
- Houston, TX + 48 other US sites
- Eligibility basics
- Ages 45–81
- RecruitingHealthy volunteers
Safety and Effectiveness Evaluation of the COLO-BT as an Alternative Treatment to the Ileostomy
JSR Medical Co., Ltd.
- Location
- Houston, TX + 2 other US sites
- Eligibility basics
- Ages 19–80
- RecruitingHealthy volunteers
Non-Invasive Preeclampsia Screening and Biobank
Sequenom, Inc.
- Location
- Austin, TX + 15 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Motiva Implants® Post-Approval Study
Motiva USA LLC
- Location
- Austin, TX + 32 other US sites
- Eligibility basics
- Ages 22+ · Women only
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.