Paid Clinical Trials in Largo, FL
As of July 2026, 41 paid clinical trials are recruiting in Largo, Florida. 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.
Largo offers studies at sites including Accel Research Sites - St. Petersburg-Largo for conditions such as Heart Failure, Atrial Fibrillation, Heart Valve Diseases, Major Depressive Disorder. 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: .
Trials by specialty in Largo
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Researchers run research studies in Largo, FL 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 |
|---|---|---|
| Accel Research Sites - St. Petersburg-Largo | Major Depressive Disorder | 2 |
| Advanced Urology Institute | Metastatic Castration-Resistant Prostate Cancer (mCRPC), Non-Muscle Invasive Bladder Neoplasms | 2 |
| Akero Clinical Study Site | MASH - Metabolic Dysfunction-Associated Steatohepatitis, MASH With Fibrosis, NASH - Nonalcoholic Steatohepatitis | 2 |
| Bokhari Medical Consortium | Attention Deficit Disorder (ADD), Attention Deficit Disorder With Hyperactivity (ADHD), Attention Deficit Hyperactivity Disorder (ADHD) | 2 |
| Clearwater Cardiovascular Consultants | Heart Failure, Heart Failure With Mildly Reduced Ejection Fraction, Heart Failure With Preserved Ejection Fraction | 2 |
| Florida Cancer Specialists | Advanced Non-Small Cell Lung Cancer, Breast Cancer, Breast Neoplasms | 2 |
| HCA Florida Largo Hospital | Heart Valve Diseases, Aortic Valve Disease, Aortic Valve Stenosis | 2 |
| Largo Medical Center | Atrial Fibrillation, Stroke, Tricuspid Regurgitation | 2 |
| The Eye Institute of West Florida | Cataract, Ocular Hypertension, Primary Open Angle Glaucoma | 2 |
| Accel Research Sites Network - St. Pete | Generalized Anxiety Disorder (GAD), Bipolar I Disorder, Bipolar II Disorder | 2 |
| Accel Research - St. Petersburg-Largo | Diabetic Peripheral Neuropathic Pain | 1 |
| Accel Research Sites Network - St. Pete-Largo Clinical Research Unit | Coronavirus Disease (COVID-19) | 1 |
| Advanced Urology Institute (Solaris) | High-Risk Non-Muscle-Invasive Bladder Cancer | 1 |
| Advanced Urology Institute, LLC | Cancer of the Prostate, Hormone Sensitive Prostate Cancer, Metastatic Castration Sensitive Prostate Cancer (mCSPC) | 1 |
| Advanced Urology institute - Pinellas | Intermediate Risk Non-Muscle Invasive Bladder Cancer | 1 |
| Baxis | Bacterial Conjunctivitis | 1 |
| Clearwater Cardiovascular Consultants-Largo-69917 | Heart Failure | 1 |
| Clearwater Cardiovascular and Interventional Consultants- Bardmoor | Percutaneous Coronary Intervention, Peripheral Endovascular Intervention | 1 |
| Comprehensive Hematology Oncology | Colonic Diseases, Colorectal Neoplasms, Digestive System Diseases | 1 |
| Florida Behavioral Psych | Treatment Resistant Depression | 1 |
| Florida Research Institute | Ulcerative Colitis | 1 |
| HCA Largo | Coronary Artery Disease | 1 |
| Largo Medical Center, Inc. d/b/a HCA Florida Largo Medical Center | Atrial Fibrillation, Stroke, Ischemic, Systemic Embolism | 1 |
| Olympian Clinical Research | Hidradenitis Suppurativa | 1 |
| Sandhill Research, LLC d/b/a Accel Research Sites - St. Pete - Largo Clinical Research Unit | Cannabis Withdrawal | 1 |
Active & Upcoming Studies in Largo (2026)
Recruiting trials in Largo grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
Cardiovascular (11 active studies)
- A Prospective, Randomized Multicenter Clinical Trial of the TricValve® Transcatheter Bicaval Valve System in Subjects With Severe Tricuspid Regurgitation. · P+F Products + Features USA Inc.
- DSLT for Reducing Medication in Glaucoma · The Eye Institute of West Florida
Cancer & tumors (6 active studies)
- Symbiotic-Lung-01 : A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Locally Advanced or Metastatic Non-Small Cell Lung Cancer · Phase 3 · Pfizer
- This Study Will Explore Whether a Combination of the Investigational Drug Mevrometostat (PF-06821497) and Enzalutamide Will Work Better Than Taking Enzalutamide Alone in Participants With mCSPC Who Are ARPI naïve. · Phase 3 · Pfizer
Mental health & behavior (4 active studies)
- A Study to Assess Adverse Events and Change in Disease Activity of Oral Icalcaprant in Adult Participants With Bipolar I or II Disorder · Phase 2 · AbbVie
- Study to Assess Adverse Events and Change in Disease Activity When Oral ABBV-932 is Added to Antidepressant Therapies in Adult Participants With Generalized Anxiety Disorder · Phase 2 · AbbVie
Diabetes & metabolic (3 active studies)
- Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity · Phase 3 · Amgen
- A Study Evaluating Efruxifermin in Subjects With Compensated Cirrhosis Due to NASH/MASH · Phase 3 · Akero Therapeutics, Inc
Neurology & pain (3 active studies)
- Evaluation of Efficacy and Safety of Suzetrigine for Pain Associated With Diabetic Peripheral Neuropathy · Phase 3 · Vertex Pharmaceuticals Incorporated
- The Fourth Left Atrial Appendage Occlusion Study · Hamilton Health Sciences Corporation
Eye & vision (3 active studies)
- Lacrifill for Ocular Surface Optimization in Cataract Surgery · The Eye Institute of West Florida
- An Exploratory Efficacy and Safety Study of DFL24498 Topical Ophthalmic Solution Compared With Vehicle in Participants With Dry Eye Disease · Phase 2 · Dompé Farmaceutici S.p.A
Vaccines (1 active study)
- A Clinical Study of Molnupiravir to Prevent Severe Illness From Coronavirus Disease 2019 (COVID-19) in People Who Are High Risk (MK-4482-023) · Phase 3 · Merck Sharp & Dohme LLC
Common conditions studied in Largo
- Heart Failure (3 active studies)
- Atrial Fibrillation (2 active studies)
- Heart Valve Diseases (2 active studies)
- Major Depressive Disorder (2 active studies)
- Tricuspid Valve Disease (2 active studies)
- Acute Coronary Syndrome (1 active study)
Leading research sponsors in Largo
- Pfizer
- AbbVie
- Akero Therapeutics, Inc
- P+F Products + Features USA Inc.
- Qbtech AB
Frequently asked questions
How many paid clinical trials are currently recruiting in Largo?
There are approximately 41 recruiting clinical trials in Largo, Florida listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Do clinical trials in Largo pay participants?
Most recruiting trials in Largo 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.
Who can participate in a clinical trial in Largo?
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.
What conditions are most commonly studied in Largo?
The most common conditions under active study in Largo include Heart Failure (3), Atrial Fibrillation (2), Heart Valve Diseases (2), Major Depressive Disorder (2), among many others. Browse the list above to explore every recruiting trial.
Are there clinical trials for healthy volunteers in Largo?
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Largo on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
How do I enroll in a clinical trial in Largo?
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.
Where can I take part in paid clinical trials in Largo?
Recruiting research sites in Largo include Accel Research Sites - St. Petersburg-Largo, Advanced Urology Institute, Akero Clinical Study Site, 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.
What kinds of studies are recruiting in Largo right now?
The largest active categories in Largo are Cardiovascular (11), Cancer & tumors (6), Mental health & behavior (4). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.