Booster shot keeps seniors safe from meningitis
NCT ID NCT04142242
First seen Sep 30, 2025 · Last updated May 24, 2026 · Updated 34 times
Summary
This study looked at whether a single booster dose of the MenACYW conjugate vaccine can strengthen protection against meningococcal disease in adults aged 56 and older. Participants had received either an older or newer meningitis vaccine at least three years earlier. The goal was to see if the booster triggered a strong immune response against four key strains of the bacteria.
Disclaimer
Read more
Show less
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.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for MENINGOCOCCAL INFECTION (HEALTHY VOLUNTEERS) are added.
By submitting, you agree to our Terms of use
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Locations
-
Investigational Site Number 6300001
San Juan, 00981, Puerto Rico
-
Investigational Site Number 8400001
Murray, Utah, 84123, United States
-
Investigational Site Number 8400002
Salt Lake City, Utah, 84107, United States
-
Investigational Site Number 8400003
San Diego, California, 92123-1881, United States
-
Investigational Site Number 8400004
Charlottesville, Virginia, 22911, United States
-
Investigational Site Number 8400005
Cincinnati, Ohio, 45246, United States
-
Investigational Site Number 8400007
Jacksonville, Florida, 32205, United States
-
Investigational Site Number 8400010
Elkridge, Maryland, 21075, United States
-
Investigational Site Number 8400011
Columbus, Ohio, 43212, United States
-
Investigational Site Number 8400012
Raleigh, North Carolina, 27612, United States
-
Investigational Site Number 8400013
Fargo, North Dakota, 58104, United States
-
Investigational Site Number 8400014
Uniontown, Pennsylvania, 15401, United States
-
Investigational Site Number 8400015
Jacksonville, Florida, 32216, United States
-
Investigational Site Number 8400016
Metairie, Louisiana, 70006, United States
-
Investigational Site Number 8400017
Wichita, Kansas, 67205, United States
-
Investigational Site Number 8400018
Anderson, South Carolina, 29621, United States
-
Investigational Site Number 8400019
Endwell, New York, 13760, United States
-
Investigational Site Number 8400020
West Palm Beach, Florida, 33409, United States
-
Investigational Site Number 8400021
Greensboro, North Carolina, 27408, United States
-
Investigational Site Number 8400022
Ponte Vedra, Florida, 32081, United States
-
Investigational Site Number 8400023
DeLand, Florida, 32720, United States
-
Investigational Site Number 8400024
Dallas, Texas, 75231, United States
-
Investigational Site Number 8400025
West Jordan, Utah, 84088-8865, United States
-
Investigational Site Number 8400026
Chandler, Arizona, 85225, United States
-
Investigational Site Number 8400027
Newton, Kansas, 67114, United States
-
Investigational Site Number 8400028
Waterbury, Connecticut, 06708, United States
-
Investigational Site Number 8400030
St Louis, Missouri, 63141, United States
-
Investigational Site Number 8400031
Richfield, Minnesota, 55423, United States
-
Investigational Site Number 8400032
Port Orange, Florida, 32127, United States
-
Investigational Site Number 8400033
Winston-Salem, North Carolina, 27103, United States
-
Investigational Site Number 8400034
Mt. Pleasant, South Carolina, 29464, United States
-
Investigational Site Number 8400035
Cincinnati, Ohio, 45241, United States
-
Investigational Site Number 8400036
Mt. Pleasant, South Carolina, 29464, United States
-
Investigational Site Number 8400038
Clearwater, Florida, 33756, United States
Conditions
Explore the condition pages connected to this study.