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Flu clinical trials in Philadelphia, PA
4 studies for Flu are looking for participants at sites in and around Philadelphia (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
High vs.Standard Dose Influenza Vaccine in Pediatric Solid Organ Transplant (SOT) Recipients
RecruitingPhase 2
- Children's Hospital of Philadelphia, Philadelphia
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
RecruitingPhase 3Healthy volunteers welcome
- GSK Investigational Site, Philadelphia
A Study to Learn About mRNA Vaccines Against Influenza in Adults
RecruitingPhase 2Healthy volunteers welcome
- DM Clinical Research - Philadelphia, Philadelphia
Characterization of Humoral and Cellular Immune Responses Elicited by Influenza Vaccination in Healthy Adults
RecruitingPhase 4Healthy volunteers welcome
- University of Pennsylvania, Philadelphia
About Flu
The flu can cause serious illness in people over 65, babies, and people with certain chronic illnesses. The best way to prevent the flu is to get a vaccine.
Flu trials in other cities
- Atlanta, GA10 studies
- Washington, DC8 studies
- St. Louis, MO7 studies
- Houston, TX7 studies
- Chicago, IL6 studies
- Charlottesville, VA6 studies
- Hialeah, FL6 studies
- Baltimore, MD6 studies
- Tucson, AZ5 studies
- Overland Park, KS5 studies
- San Diego, CA5 studies
- Miami, FL5 studies
Other studies in Philadelphia
- Cancer (all types)57 studies
- Breast Cancer51 studies
- Non-Small Cell Lung Cancer49 studies
- Ovarian Cancer47 studies
- Metastatic Cancer42 studies
- Colorectal Cancer41 studies
- Prostate Cancer41 studies
- Lung Cancer36 studies
- Acute Myeloid Leukemia33 studies
- Heart Failure31 studies
- Endometrial Cancer29 studies
- Pancreatic Cancer26 studies
From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.