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Fever clinical trials recruiting in the U.S.
9 studies for Fever are recruiting participants at sites across the United States.
Are you running a temperature? Learn what can cause a fever and how to know when a fever can be dangerous.
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Recently updated studies
Natural History, Genetics, and Pathophysiology of Systemic Juvenile Idiopathic Arthritis, Adult-Onset Still's Disease, and Related Conditions
RecruitingObservational studyHealthy volunteers welcome
1 Day – 100 Years · All sexes · Updated Sep 25, 2026 · NCT03510442Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics
RecruitingObservational studyHealthy volunteers welcome
2 Months – 115 Years · All sexes · Updated Sep 22, 2026 · NCT00001373Diagnosis and Management of Inflammatory and Infectious Diseases
RecruitingObservational study
Ages 3 to 100 · All sexes · Updated Sep 11, 2026 · NCT00557726Serum Endotoxin Assay to Predict the Development of Postoperative Infectious Complications and Systemic Inflammatory Response Following Percutaneous Nephrolithotomy.
RecruitingObservational study
Ages 18 and older · All sexes · Updated Aug 27, 2026 · NCT04669886Hemorrhage Elimination During Lumbar Puncture Using Ultrasound Measurements (HELPUS)
Recruiting
1 Day – 12 Months · All sexes · Updated May 29, 2026 · NCT07612644Safety of RSV Preventive Monoclonal Antibody
RecruitingPhase 4Healthy volunteers welcome
6 Weeks – 30 Weeks · All sexes · Updated Mar 16, 2026 · NCT07158814Prescription Antipyretics to Decrease Unscheduled Return Visits In A Pediatric Emergency Department
Recruiting
6 Months – 36 Months · All sexes · Updated Jul 20, 2025 · NCT07074912Medical Herbs Inhibit Inflammation Directing T Cells to Kill the COVID-19 Virus (COVID)
RecruitingPhase 1/2
All ages · All sexes · Updated Feb 19, 2025 · NCT04790240Remote Temperature Monitoring of Patients At Risk for Developing Fever
Recruiting
Ages 18 and older · All sexes · Updated Dec 30, 2024 · NCT06752512From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.