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Clinical trial

A Phase 4 Study Using a Test-Negative Design to Evaluate the Effectiveness of a 20-valent Pneumococcal Conjugate Vaccine Against Vaccine-type Radiologically-confirmed Community-acquired Pneumonia in Adults >/= 65 Years of Age

NCT05452941 is registered in ClinicalTrials.gov with Pfizer as lead sponsor.

NCT NCT05452941
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Registry record

As filed in ClinicalTrials.gov.

Title
A Phase 4 Study Using a Test-Negative Design to Evaluate the Effectiveness of a 20-valent Pneumococcal Conjugate Vaccine Against Vaccine-type Radiologically-confirmed Community-acquired Pneumonia in Adults >/= 65 Years of Age
Lead sponsor
Pfizer
Phase
Observational
Overall status
Recruiting
Start date
October 27, 2022
Completion date
June 4, 2027
Enrollment
12,500 (estimated)
Sites
54

Conditions

As the registry lists them; a condition with its own page is linked.

pneumonia