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Viral Infections clinical trials in California
11 studies for Viral Infections are looking for participants at sites in California.
Cities in California
A Study of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus (RSV) Who Are at High Risk of Progression to Severe Disease
- LA Universal Research Center, Inc., Los Angeles
- Central Valley Research, Modesto
- Med Partnes, Inc - Elligo- PPDS, Toluca Lake
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Sep 29, 2026 · NCT07214571A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease
- National Institute of Clinical Research - Bakersfield, Bakersfield
- Velocity Clinical Research, Huntington Park, Huntington Park
- 310 Clinical Research, Inglewood
- and 9 more
RecruitingPhase 3
Ages 12 and older · All sexes · Updated Sep 25, 2026 · NCT06679140A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised
- Hope Clinical Research, Inc., Canoga Park
- Amicis Research Center - Granada Hills, Granada Hills
- Jacobs Medical Center at UC San Diego Health, La Jolla
- and 4 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 25, 2026 · NCT07013474Study of AHB-137 in Chronic Hepatitis B (CHB) Participants in North America and Europe Regions
- Stanford University, Palo Alto
RecruitingPhase 2
Ages 18 to 65 · All sexes · Updated Sep 24, 2026 · NCT07654283Efficacy and Safety of Tozorakimab in Patients Hospitalised for Viral Lung Infection Requiring Supplemental Oxygen
- Research Site, Fresno
- Research Site, Newport Beach
- Research Site, Torrance
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Aug 28, 2026 · NCT05624450A Phase 1/2A, Randomized Study of a T Follicular Helper (TFH)-Targeting Genetic Vaccine Strategy Designed to Induce Broad, Durable Immune Responses
- UCLA Westwood, Los Angeles
- UCSF Community and Clinical Research Center, San Francisco
RecruitingPhase 1/2Healthy volunteers welcome
Ages 40 to 64 · All sexes · Updated Aug 18, 2026 · NCT06810934A Study to Learn About a COVID-19 Vaccine in Healthy Adults 18 Through 64 Years of Age
- Diablo Clinical Research, LLC dba Flourish Research, Walnut Creek
RecruitingPhase 4Healthy volunteers welcome
Ages 18 to 64 · All sexes · Updated Aug 7, 2026 · NCT07730450Treatment of Refractory BK Infections With Related Donor BK Specific Cytotoxic T-cells (CTLs)
- University of California San Francisco, San Francisco
RecruitingPhase 1/2
1 Month – 79 Years · All sexes · Updated Apr 15, 2026 · NCT04197596Microbial Cell-free Metagenomic Sequencing for Suspected Infections in Adult Immunocompromised Outpatients
- University of California San Francisco, San Francisco
Recruiting
Ages 18 and older · All sexes · Updated Jan 30, 2026 · NCT07110636Effects of Mouthrinse on the Microbiome of the Oral Cavity and GI Tract
- Beckman Laser Institute and Medical Clinic, Irvine
RecruitingHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Dec 17, 2025 · NCT05603650Mesenchymal Stem Cells for the Treatment of Various Chronic and Acute Conditions
- Southern California Hospital at Culver City / Southern California Hospital at Hollywood / Multiple US-based Sub-Investigator Sites, Culver City
RecruitingPhase 1/2Healthy volunteers welcome
Ages 18 and older · All sexes · Updated Apr 29, 2022 · NCT04684602From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.