New pneumonia vaccine VAX-31 shows promise in phase 3 trial for older adults
NCT ID NCT07425392
First seen Feb 23, 2026 · Last updated May 19, 2026 · Updated 7 times
Summary
This study tests a new vaccine called VAX-31 in 752 healthy adults aged 50 and older who have already received a pneumonia vaccine. The goal is to see if VAX-31 is safe and triggers a strong immune response. Participants receive either VAX-31 or an existing vaccine, and researchers monitor side effects and antibody levels.
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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.
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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Locations
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AMR
Kansas City, Missouri, 64114, United States
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Alcanza (Charlottesville Medical Research)
Charlottesville, Virginia, 22911, United States
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Avacare (CCT Research)
Phoenix, Arizona, 85044, United States
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CenExel (RCA)
Hollywood, Florida, 33024, United States
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Center of American Indian Health
Gallup, New Mexico, 87301, United States
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Chase Medical Research
Waterbury, Connecticut, 06708, United States
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Chinle Center for Indigenous Health
Chinle, Arizona, 86503, United States
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DM Clinical Research
Sugar Land, Texas, 77478, United States
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DM Clinical Research-Detroit
Southfield, Michigan, 48076, United States
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DelRicht Clinical Research
Stockbridge, Georgia, 30281, United States
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DelRicht Clinical Research
New Orleans, Louisiana, 70115, United States
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DelRicht Research
Hendersonville, Tennessee, 37075, United States
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DelRicht Research (Command Family Medicine)
Springfield, Missouri, 65807, United States
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Eximia (Health Awareness)
Jupiter, Florida, 33458, United States
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Eximia (Health Awareness)
Port Saint Lucie, Florida, 34952, United States
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Flourish Research
San Antonio, Texas, 78229, United States
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Headlands (Trial Management Associates)
Wilmington, North Carolina, 28403, United States
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Health Research of Hampton Roads, Inc.
Newport News, Virginia, 23606, United States
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Johnson County Clin-Trials, LLC
Lenexa, Kansas, 66219, United States
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Precision Clinical Research
Sunrise, Florida, 33351, United States
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Quality Clinical Research
Omaha, Nebraska, 68114, United States
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REX Clinical Trials
Beaumont, Texas, 77701, United States
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Rochester Clinical Research, Inc.
Rochester, New York, 14609, United States
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Shiprock Center for Indigenous Health
Shiprock, New Mexico, 87420, United States
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Tekton Research
Edmond, Oklahoma, 73013, United States
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Tekton Research
Austin, Texas, 78745, United States
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The Villages
The Villages, Florida, 32162, United States
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Velocity (Meridian Clinical Research)
Rockville, Maryland, 20854, United States
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Velocity Clinical Valparaiso
Valparaiso, Indiana, 46383, United States
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Whiteriver Center for Indigenous Health
Whiteriver, Arizona, 85941, United States
Conditions
Explore the condition pages connected to this study.