New 21-Valent vaccine aims to protect kids against pneumococcal disease
NCT ID NCT06838000
First seen Nov 01, 2025 · Last updated Apr 26, 2026 · Updated 30 times
Summary
This study tests a new 21-valent pneumococcal vaccine (PCV21) in healthy infants, toddlers, children, and adolescents who need catch-up vaccination. The goal is to see if PCV21 is safe and triggers a strong immune response compared to an existing 20-valent vaccine. About 1,268 participants aged 7 months to 17 years will receive the vaccine and be monitored for side effects and antibody levels.
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This is a summary of
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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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Site # 2330001
Paide, Järvamaa, 72713, Estonia
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Site # 2330002
Tallinn, Harju, EE-10617, Estonia
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Site # 2330003
Tallinn, Harju, EE-10617, Estonia
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Site # 2330004
Tartu, 50708, Estonia
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Site # 2330005
Tartu, Tartu, 50106, Estonia
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Site # 2330006
Tallinn, Harju, 10117, Estonia
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Site # 2330007
Tallinn, Harju, 13619, Estonia
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Site # 6160001
Torun, 87-100, Poland
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Site # 6160002
Bydgoszcz, 85-048, Poland
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Site # 6160003
Częstochowa, Silesian Voivodeship, 42-200, Poland
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Site # 6160004
Bydgoszcz, 85-796, Poland
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Site # 6160006
Kłodzko, 57-300, Poland
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Site # 6160007
Warsaw, Masovian Voivodeship, 03-291, Poland
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Site # 6160009
Lodz, Lodskie, 91-341, Poland
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Site # 7640001
Pathum Thani, Thailand
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Site # 7640002
Hat Yai, Changwat Songkhla, 90112, Thailand
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Site # 7640003
Mueang Nonthaburi, Chiang Mai, 50200, Thailand
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Site # 7640004
Chiang Mai, 50200, Thailand
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Site # 7640006
Bangkok, 10400, Thailand
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Site # 7640007
Bangkok, 10400, Thailand
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Site # 7640008
Bangkok, 10270, Thailand
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Site # 8400001
Houston, Texas, 77065, United States
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Site # 8400002
Omaha, Nebraska, 68114, United States
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Site # 8400003
Sioux City, Iowa, 51106, United States
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Site # 8400004
Union City, Georgia, 30291, United States
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Site # 8400007
Hialeah, Florida, 33012, United States
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Site # 8400008
Paramount, California, 90723, United States
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Site # 8400009
Miami, Florida, 33166, United States
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Site # 8400012
Ridgeland, Mississippi, 39531, United States
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Site # 8400014
Melbourne, Florida, 32934, United States
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Site # 8400016
Miami, Florida, 33166, United States
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Site # 8400017
Stephenville, Texas, 76401, United States
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Site # 8400018
Biloxi, Mississippi, 39531, United States
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Site # 8400021
Fayetteville, Georgia, 30214, United States
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Site # 8400023
Erlanger, Kentucky, 41018, United States
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Site # 8400024
Doral, Florida, 33166, United States
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Site # 8400025
Rochester, New York, 14642, United States
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Site #8400010
Binghamton, New York, 13905, United States
Conditions
Explore the condition pages connected to this study.