Pneumonia clinical trials in California
13 studies for Pneumonia are looking for participants at sites in California.
Cities in California
A 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 · NCT07013474Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
- Lucile Packard Children's Hospital, Palo Alto
RecruitingObservational studyHealthy volunteers welcome
Ages 0 to 20 · All sexes · Updated Aug 21, 2026 · NCT04278404A 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 · NCT07730450The Effects of Endotracheal Suctioning on Pain and Serum Markers
- Loma Linda University Medical Center Troesh Medical Campus, Loma Linda
Recruiting
Ages 18 and older · All sexes · Updated Jul 10, 2026 · NCT06692400A Clinical Trial to Evaluate agenT-797 Plus Standard of Care in Participants With Severe Pneumonia With Moderate to Severe Acute Hypoxemic Respiratory Failure
- UCSF Medical Center at Parnassus Heights, San Francisco
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Jun 26, 2026 · NCT07615010A Study to Learn About How 20-Valent Pneumococcal Conjugate Vaccine Works in a Real-world Setting
- El Centro Regional Medical Center, El Centro
- Kaiser Permanente Fontana Medical Center, Fontana
- Kaiser Permanente West Los Angeles Medical Center, Los Angeles
- and 13 more
RecruitingObservational study
Ages 65 and older · All sexes · Updated May 11, 2026 · NCT05452941Immune Defense Protein Impact On Respiratory Immune Outcomes
- People Science, Inc., Los Angeles
RecruitingHealthy volunteers welcome
Ages 60 and older · All sexes · Updated Mar 12, 2026 · NCT07431840Phase 2a Multiple Ascending Dose Study in Hospitalized Patients With Pneumonia.
- Hoag Memorial Hospital Presbyterian, Newport Beach
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Feb 27, 2026 · NCT05123755The APS Phenotyping Study
- Fresno Community Hospital and Medical Center, Fresno
- Stanford University, Palo Alto
- San Francisco General Hospital, San Francisco
- and 1 more
RecruitingObservational study
Ages 18 and older · All sexes · Updated Feb 20, 2026 · NCT06521502Reducing Overuse of Antibiotics With Decision Support
- Benioff Children's Hospital - Oakland, Oakland
- Benioff Children's Hospital - San Francisco, San Francisco
Recruiting
6 Months – 17 Years · All sexes · Updated Jan 22, 2026 · NCT06788093Follow-up Automatically vs. As-Needed Comparison (FAAN-C) Trial
- Packard at El Camino Hospital, Mountain View
- Lucile Packard Children's Hospital, Palo Alto
Recruiting
Up to age 18 · All sexes · Updated Dec 10, 2025 · NCT05471908Study to Evaluate the Efficacy, Safety, and Tolerability of Efzofitimod in Patients With Systemic Sclerosis (SSc)-Related Interstitial Lung Disease (ILD) (SSc-ILD)
- aTyr Investigative Site, Los Angeles
- aTyr Investigative Site, San Diego
RecruitingPhase 2
Ages 18 and older · All sexes · Updated May 7, 2025 · NCT05892614From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.