As of July 2026, 986 paid clinical trials are recruiting in San Antonio, Texas. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.
San Antonio offers studies at sites including University of Texas Health Science Center at San Antonio for conditions such as Advanced Solid Tumor, Advanced Solid Tumors, Breast Cancer, Obesity. Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
Posted to ClinicalTrials.gov within the last 60 days — these studies are just starting to recruit.
Researchers run research studies in San Antonio, TX at 25 active sites. The clinics below currently host the largest number of recruiting studies — each name is followed by the conditions they focus on most.
| Site | Specializes in | Active trials |
|---|---|---|
| University of Texas Health Science Center at San Antonio | Cardiovascular Diseases, Type 2 Diabetes, Acute Myeloid Leukemia | 86 |
| NEXT Oncology | Advanced Solid Tumor, Advanced Solid Tumors, NSCLC | 56 |
| Children's Hospital of San Antonio | B Acute Lymphoblastic Leukemia, Malignant Solid Neoplasm, Acute Myeloid Leukemia | 31 |
| Methodist Children's Hospital of South Texas | B Acute Lymphoblastic Leukemia, Malignant Solid Neoplasm, Acute Myeloid Leukemia | 24 |
| START San Antonio | Advanced Solid Tumor, Breast Cancer, Colorectal Cancer | 23 |
| The University of Texas Health Science Center at San Antonio | Aging, Bladder Carcinoma, Blood Pressure | 22 |
| UT Health San Antonio | Focal Epilepsy, Colorectal Cancer, Pancreatic Cancer | 16 |
| Texas Dermatology and Laser Specialists | Atopic Dermatitis, Eczema, Plaque Psoriasis | 14 |
| GSK Investigational Site | Non-alcoholic Fatty Liver Disease, Neoplasms, Gastrointestinal Neoplasms | 13 |
| Texas Oncology - San Antonio | Colorectal Neoplasms, Pancreatic Ductal Adenocarcinoma, Acinar Cell Carcinoma | 12 |
| Brooke Army Medical Center | Carpal Tunnel Syndrome, Chronic Pain, Combat Casualty Care | 12 |
| American Research Corporation at the Texas Liver Institute | Healthy, Hepatic Impairment, Liver Cirrhosis | 10 |
| Southern Star Research Institute | Colitis, Ulcerative, Crohn Disease, Irritable Bowel Syndrome | 9 |
| University Hospital | Hemorrhage, Surgical, Tonsillar Bleeding, CMV | 9 |
| Endeavor Clinical Trials | Obesity, Overweight, Cardiovascular Diseases | 8 |
| NEXT San Antonio | Advanced Solid Tumors, Endometrial Cancer, Cervical Cancer | 8 |
| South Texas Accelerated Research Therapeutics (START) | Advanced Solid Tumors, Head and Neck Squamous Cell Carcinoma, Non-small Cell Lung Cancer | 8 |
| Southern Star Research Institute, LLC | Colitis, Ulcerative, Crohn Disease, Crohn's Disease | 8 |
| Sun Research Institute | Pneumococcal Disease, Chronic Idiopathic Constipation (CIC), Hypertension (HTN) | 7 |
| Texas Transplant Institute | Large B-cell Lymphoma, Non-Hodgkin Lymphoma, Refractory Non-Hodgkin Lymphoma | 7 |
| Urology San Antonio | Prostate Cancer, FGFR Gene Alterations, FGFR Gene Amplification | 7 |
| IMA Clinical Research San Antonio | Obesity, Overweight, Cardiovascular Diseases | 6 |
| Methodist Hospital | AMI Cardiogenic Shock, Acute Kidney Injury, Aortic Stenosis | 6 |
| START - San Antonio | Advanced Solid Tumors, Advanced or Metastatic Castration-Resistant Prostate Cancer (mCRPC), Advanced or Metastatic ER+ HER2- Breast Cancer (mBC) | 6 |
| South Texas Health Care System, San Antonio, TX | Adult Growth Hormone Deficiency, Alcohol Use Disorder (AUD), Chronic Low Back Pain | 6 |
Recruiting trials in San Antonio grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 986 recruiting clinical trials in San Antonio, Texas listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in San Antonio compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.
Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.
The most common conditions under active study in San Antonio include Advanced Solid Tumor (40), Advanced Solid Tumors (30), Breast Cancer (27), Obesity (27), among many others. Browse the list above to explore every recruiting trial.
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in San Antonio on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.
Recruiting research sites in San Antonio include University of Texas Health Science Center at San Antonio, NEXT Oncology, Children's Hospital of San Antonio, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.
The largest active categories in San Antonio are Cancer & tumors (303), Diabetes & metabolic (85), Neurology & pain (44). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.