New 20-Strain pneumonia vaccine put to the test in seniors

NCT ID NCT05452941

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Pfizer Source: ClinicalTrials.gov ↗

First seen Jan 28, 2026 · Last updated May 08, 2026 · Updated 9 times

Summary

This study looks at how well a 20-valent pneumococcal vaccine works against pneumonia in adults aged 65 and older. Participants are hospitalized with suspected pneumonia and provide a urine sample to check for specific bacterial strains. Researchers compare vaccination rates between those with vaccine-type pneumonia and those with other causes to measure effectiveness.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Ahuja Medical Center
RECRUITING

Beachwood, Ohio, 44122, United States
Beaumont Health Center
RECRUITING

Royal Oak, Michigan, 48073, United States
Beaumont Infectious Diseases Research
RECRUITING

Royal Oak, Michigan, 48073, United States
CHUVI- Hospital Alvaro Cunqueiro
RECRUITING

Vigo, Pontevedra [pontevedra], 36312, Spain
Carilion Clinic
RECRUITING

Roanoke, Virginia, 24014, United States
Consorcio Hospital General Universitario de Valencia
RECRUITING

Valencia, 46014, Spain
ECU Health Medical Center
RECRUITING

Greenville, North Carolina, 27834, United States
El Centro Regional Medical Center
RECRUITING

El Centro, California, 92243, United States
Emek Medical Center
RECRUITING

Afula, 1834111, Israel
Emory Children's Center - Vaccine Research Clinic (ECC-VRC)
RECRUITING

Atlanta, Georgia, 30322, United States
Emory University Hospital
RECRUITING

Atlanta, Georgia, 30322, United States
Emory University Hospital Midtown
RECRUITING

Atlanta, Georgia, 30308, United States
Hartford Hospital
ACTIVE_NOT_RECRUITING

Hartford, Connecticut, 06106, United States
Henry Ford Hospital
RECRUITING

Detroit, Michigan, 48202, United States
Henry Ford Macomb Hospital
RECRUITING

Clinton Township, Michigan, 48038, United States
Henry Ford St. John Hospital
RECRUITING

Grosse Pointe Woods, Michigan, 48236, United States
Henry Ford West Bloomfield Hospital
RECRUITING

West Bloomfield, Michigan, 48322, United States
Henry Ford Wyandotte Hospital
RECRUITING

Wyandotte, Michigan, 48192, United States
Hospital Clinic de Barcelona
RECRUITING

Barcelona, 08036, Spain
Hospital General Universitario Gregorio Marañón
RECRUITING

Madrid, 28007, Spain
Hospital Regional Universitario de Málaga
RECRUITING

Málaga, 29010, Spain
Hospital Universitari Vall D´Hebron
RECRUITING

Barcelona, 08035, Spain
Hospital Universitari de Bellvitge
RECRUITING

L'Hospitalet de Llobregat, Barcelona, 08907, Spain
Hospital Universitari i Politecnic La Fe
RECRUITING

Valencia, València, 46026, Spain
Hospital Universitario Clinico San Carlos
RECRUITING

Madrid, 28040, Spain
Hospital Universitario Doctor Peset
RECRUITING

Valencia, 46017, Spain
Hospital Universitario La Paz
RECRUITING

Madrid, 28046, Spain
Hospital Universitario Rey Juan Carlos
RECRUITING

Móstoles, Madrid, 28933, Spain
Hospital Universitario Severo Ochoa
RECRUITING

Leganés, Madrid, 28914, Spain
Hospital Universitario de Móstoles
RECRUITING

Móstoles, Madrid, 28935, Spain
Hospital Universitarios De Getafe
RECRUITING

Getafe, Madrid, 28905, Spain
Infectious Diseases Unit Tel-Aviv Sourasky Medical Center
RECRUITING

Tel Aviv, 6423906, Israel
Kaiser Permanente
RECRUITING

Los Angeles, California, 90027, United States
Kaiser Permanente Fontana Medical Center
RECRUITING

Fontana, California, 92335, United States
Kaiser Permanente Oakland Medical Center
RECRUITING

Oakland, California, 96411, United States
Kaiser Permanente Ontario Medical Center
RECRUITING

Ontario, California, 91761, United States
Kaiser Permanente Riverside Medical Center
RECRUITING

Riverside, California, 92505, United States
Kaiser Permanente Roseville Medical Center
RECRUITING

Roseville, California, 95661, United States
Kaiser Permanente Sacramento Medical Center
RECRUITING

Sacramento, California, 95825, United States
Kaiser Permanente San Diego Medical Center
RECRUITING

San Diego, California, 92123, United States
Kaiser Permanente San Jose Medical Center
RECRUITING

San Jose, California, 95119, United States
Kaiser Permanente Santa Clara Medical Center
RECRUITING

Santa Clara, California, 95051, United States
Kaiser Permanente South Sacramento Medical Center
RECRUITING

Sacramento, California, 95823, United States
Kaiser Permanente South San Francisco Medical Center
RECRUITING

South San Francisco, California, 94080, United States
Kaiser Permanente Sunnyside Medical Center
RECRUITING

Clackamas, Oregon, 97015, United States
Kaiser Permanente Vaccine Study Center
RECRUITING

Oakland, California, 94612, United States
Kaiser Permanente Walnut Creek Medical Center
RECRUITING

Walnut Creek, California, 94596, United States
Kaiser Permanente West Los Angeles Medical Center
RECRUITING

Los Angeles, California, 90034, United States
Kaiser Permanente Zion Medical Center
RECRUITING

San Diego, California, 92120, United States
Kaiser Permanete Baldwin Park
RECRUITING

Baldwin Park, California, 91706, United States
Kaiser Permanete Downey
RECRUITING

Downey, California, 90241, United States
MedStar Washington Hospital Center
RECRUITING

Washington D.C., District of Columbia, 20010, United States
Meir Medical Center
RECRUITING

Kfar Saba, 4428164, Israel
Memorial Hermann Hospital
RECRUITING

Houston, Texas, 77030, United States
Michael E. DeBakey VA Medical Center
RECRUITING

Houston, Texas, 77030, United States
Norton Audubon Hospital
RECRUITING

Louisville, Kentucky, 40217, United States
Norton Brownsboro Hospital
RECRUITING

Louisville, Kentucky, 40241, United States
Norton Clark Hospital
RECRUITING

Jeffersonville, Indiana, 47130, United States
Norton Hospital
RECRUITING

Louisville, Kentucky, 40202, United States
Norton Hospital-Pavilion, Norton Healthcare
RECRUITING

Louisville, Kentucky, 47130, United States
Norton Infectious Diseases Institute
RECRUITING

Louisville, Kentucky, 40202, United States
Norton Women's and Children's Hospital
RECRUITING

Louisville, Kentucky, 40241, United States
Ochsner Baptist Medical Center
RECRUITING

New Orleans, Louisiana, 70115, United States
Ochsner Clinic Foundation
RECRUITING

New Orleans, Louisiana, 70121, United States
Ochsner Medical Center - Kenner
RECRUITING

Kenner, Louisiana, 70065, United States
Rabin Medical Center
RECRUITING

Petah Tikva, 4941492, Israel
Rambam Health Care Campus
RECRUITING

Haifa, 3109601, Israel
Robley Rex VA Medical Center
RECRUITING

Louisville, Kentucky, 40206, United States
Samson Assuta Ashdod University Hospital
RECRUITING

Ashdod, 7747629, Israel
Soroka University Medical Center
RECRUITING

Beersheba, 8410101, Israel
Southern California Permanente Medical Group
RECRUITING

Los Angeles, California, 90027, United States
Southern California Permanente Medical Group (SCPMG)
RECRUITING

Pasadena, California, 91101, United States
Starling Physicians
ACTIVE_NOT_RECRUITING

Hartford, Connecticut, 06106, United States
Summa Health
RECRUITING

Akron, Ohio, 44304, United States
Summa Health Clinical Research Center - Specialty
RECRUITING

Akron, Ohio, 44304, United States
The Brody School of Medicine at East Carolina University, ECU Adult Specialty Care
RECRUITING

Greenville, North Carolina, 27834, United States
The Chaim Sheba Medical Center
RECRUITING

Ramat Gan, 5265601, Israel
The Edith Wolfson Medical Center
RECRUITING

Holon, 5822012, Israel
The Regents of the University of California
RECRUITING

San Francisco, California, 94143, United States
UMass Memorial Medical Center
RECRUITING

Worcester, Massachusetts, 01605, United States
UMass Memorial Medical Center
RECRUITING

Worcester, Massachusetts, 01655, United States
UNC Hospitals
RECRUITING

Chapel Hill, North Carolina, 27514, United States
UNC Hospitals Hillsborough Campus
RECRUITING

Hillsborough, North Carolina, 27278, United States
University Hospitals Cleveland Medical Center
RECRUITING

Cleveland, Ohio, 44106, United States
University Hospitals Parma Medical Center
RECRUITING

Parma, Ohio, 44129, United States
University of California San Francisco - Fresno
RECRUITING

Fresno, California, 93701, United States
University of Louisville School of Medicine, Division of Infectious Diseases
RECRUITING

Louisville, Kentucky, 40202, United States
University of Maryland
RECRUITING

Baltimore, Maryland, 21201, United States
UofL Health South Hospital
RECRUITING

Shepherdsville, Kentucky, 40165, United States
UofL Health, Jewish Hospital
RECRUITING

Louisville, Kentucky, 40202, United States
UofL Health, Mary & Elizabeth Hospital
RECRUITING

Louisville, Kentucky, 40215, United States
UofL Health, Shelbyville Hospital
RECRUITING

Shelbyville, Kentucky, 40065, United States
UofL Health, University of Louisville Hospital
RECRUITING

Louisville, Kentucky, 40202, United States

Conditions

Explore the condition pages connected to this study.

PNEUMONIA