Sanofi Pasteur, A Sanofi Company

This study looked at whether a booster dose of the MenQuadfi vaccine is safe and effective for toddlers aged 12 to 23 months who had already received a different meningococcal vaccine as babies. The goal was to see if the booster could strengthen their protection against serious …

This study tested a booster dose of an experimental meningitis vaccine in 570 healthy teens and adults who had received a meningitis vaccine 3-6 years earlier. The goal was to see if the booster could restore protection against four types of meningococcal bacteria. Results showed…

This study tested a new meningitis vaccine (MenACYW) in healthy toddlers aged 12 to 23 months. The goal was to see if it works as well as two existing vaccines (Nimenrix and NeisVac-C) at protecting against meningococcal disease. The study involved 707 toddlers and measured their…

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 wa…

This early-stage study tested an experimental mRNA vaccine designed to prevent lower respiratory tract disease caused by RSV and hMPV viruses. About 558 healthy adults aged 18-49 and 60+ received a single shot at different doses. Researchers monitored safety and immune responses …

This early-stage study tested whether a new combination vaccine is safe and helps the body build defenses against three respiratory viruses: RSV, hMPV, and PIV3. About 390 adults aged 60 and older received different doses or combinations of the vaccine. Researchers monitored side…

This early-stage study tested a new mRNA-based flu vaccine in 233 healthy adults aged 18 and older. The goal was to check if the vaccine is safe and triggers an immune response. Participants received one shot at different dose levels, and researchers monitored side effects and an…

This study tested a new yellow fever vaccine in 73 healthy adults aged 18 to 60. Researchers checked for side effects and measured how well the vaccine triggered an immune response over 6 months. The goal was to find the safest and most effective dose.

This early-stage study tested a new mRNA-based flu vaccine in 159 adults aged 18-49 and 60+. The goal was to check safety and how well the vaccine triggers an immune response compared to a standard flu shot. Researchers looked for side effects and measured antibody levels in the …

This study tested a new rabies vaccine (VRVg) in 403 healthy volunteers in Thailand. The goal was to see if the vaccine triggers a strong immune response when given in two different injection schedules after a pretend rabies exposure. Some adults also received rabies antibodies (…

This study tested the safety and immune response of Sanofi's COVID-19 vaccines (with an adjuvant called AS03) in over 3,000 adults aged 18 and older. Participants received either a two-dose primary series or a booster shot. The goal was to see if the vaccines produced strong anti…

This study looked at the safety of the Hexaxim vaccine, which protects against diseases like hepatitis B and Haemophilus influenzae type b, in infants starting at 2 months old in South Korea. Researchers tracked side effects like pain, swelling, fever, and crying in 713 babies wh…

This early-stage study tested whether a flu vaccine with an extra H3 virus strain is safe and triggers a strong immune response. About 400 healthy adults aged 18-49 and 60+ received either the experimental vaccine or a standard one. The goal was to see if adding another H3 strain…

This study tested a high-dose flu vaccine in 165 adults aged 65 and older in Taiwan. The goal was to see if it produced a stronger immune response and was safe compared to a standard flu shot. Participants received either the high-dose or standard vaccine, and researchers measure…

This study tested a single dose of an investigational meningitis vaccine (MenACYW) in 447 healthy people aged 12 months and older in Vietnam. The goal was to see how well the vaccine triggered the body's defenses against four types of meningococcal bacteria and to check for any s…

This study tested a live-attenuated RSV vaccine in 259 infants and toddlers aged 6 to 18 months. The main goals were to check the vaccine's safety and measure the immune response. Researchers also looked at how much vaccine virus was shed and how many children got infected with t…

This study tested a new vaccine that targets two respiratory viruses—RSV and hMPV—in adults aged 60 and older. The goal was to see if the vaccine is safe and triggers a strong immune response. Participants received either a single shot or a booster after 12 months, and researcher…

This study tested a new meningitis vaccine (MenACYW) in 463 healthy adolescents aged 10 to 17. It compared the new vaccine to an existing one (Nimenrix®) and also looked at safety when given alongside HPV and Tdap-IPV vaccines. The goal was to see if the new vaccine provides simi…

This study tested a new pneumococcal vaccine (SP0202) in 852 healthy toddlers and infants to see if it is safe and triggers a strong immune response. Participants received the vaccine alongside their routine childhood shots. The goal was to compare the new vaccine's safety and ef…

This study tested a new quadrivalent recombinant influenza vaccine (RIV4) against a standard quadrivalent inactivated flu vaccine (IIV4) in 301 healthy adults aged 18 and older in South Korea. The goal was to see how well the new vaccine triggers the immune system and to check it…

This study tested a live, weakened RSV vaccine in healthy infants and toddlers aged 6 to 24 months in Puerto Rico. The main goal was to see if the vaccine virus spreads to other children in the same home or daycare, and to check its safety and immune response. 80 children took pa…

This study tested a new mRNA vaccine designed to protect against a potential pandemic flu caused by the H5 strain. 276 healthy adults aged 18 and older received either a low, medium, or high dose of the vaccine or a placebo. The main goal was to check safety and see how well the …

This study tested an experimental RSV vaccine in about 4,500 adults aged 60 and older. Half received the vaccine and half received a placebo. The goal was to see if the vaccine could prevent lower respiratory tract disease caused by RSV, a common virus that can be serious in olde…

This study tested a new meningitis vaccine (MenACYW) in healthy infants and toddlers aged 6 to 12 months. The goal was to see if it works as well as an existing vaccine (Nimenrix) when given as two shots. The trial involved 840 participants and measured immune response and safety…

This study tested a new yellow fever vaccine (vYF) in 254 healthy adults aged 18 and older in Japan. Participants received one shot, and researchers checked for safety and immune response after about a month. The goal was to see if the vaccine triggers enough protection against y…

This study tested whether a quadrivalent (four-strain) flu vaccine works as well as or better than a trivalent (three-strain) flu vaccine. Over 7,000 healthy or medically stable people aged 6 months and older in China took part. Researchers measured immune responses and tracked s…

This study tested a new COVID-19 vaccine in 441 healthy adults aged 18 and older. The goal was to see how well the vaccine triggered an immune response and whether it was safe. Participants received different versions of the vaccine, with or without an adjuvant, and were followed…

This study tested two different doses of an experimental H7 bird flu vaccine, each combined with an immune booster (MF59), against a version without the booster. About 581 healthy adults aged 18 and older took part. The goal was to see which dose produced the strongest immune res…

This study looked at whether it's safe and effective to give a high-dose flu vaccine and a Moderna COVID-19 booster at the same time to adults aged 65 and older. Participants had already received two doses of the Moderna COVID-19 vaccine at least five months earlier. The goal was…

This study tested a Tdap-IPV booster vaccine in 273 children in South Africa to see how their immune systems responded based on the whooping cough vaccine they received as infants. Researchers measured antibody levels and cell-mediated immunity over time. The goal was to understa…

This study tested a new vaccine to protect infants and toddlers against four types of meningococcal bacteria that can cause meningitis. Over 1,500 healthy children in India and South Africa received the vaccine alongside their routine shots. Researchers checked if the vaccine tri…

This study tested a new combination vaccine called Shan6, which protects against 6 diseases (diphtheria, tetanus, whooping cough, hepatitis B, polio, and Hib), in 460 healthy infants and toddlers in Thailand. The goal was to see if Shan6 works as well as the current 5-in-1 vaccin…

This early-stage study tested a new vaccine designed to protect against two respiratory viruses: RSV and hMPV. It involved 385 healthy adults aged 60 to 75 who received a single shot of different vaccine doses. The main goals were to check the vaccine's safety and see how well it…

This study tested an experimental vaccine designed to protect against five strains of meningococcal bacteria (A, B, C, W, Y), which can cause serious infections like meningitis. About 1,200 healthy adolescents and young adults received the vaccine to check its safety and how well…

This study tested several new versions of the quadrivalent flu vaccine in 210 healthy adults aged 18 and older. The goal was to see if the vaccines were safe and how well they triggered the immune system to fight flu viruses, especially a tricky strain called H3N2. Some formulas …

This study tested whether a single injection of nirsevimab can prevent hospitalizations from RSV, a common winter virus that can cause serious breathing problems in infants. Over 8,000 healthy babies under 12 months old received either the shot or no intervention. The goal was to…

This study tested a new rabies vaccine (VRVg) in 1,708 healthy children and adults in Thailand. The goal was to see if it works as well as current vaccines in preventing rabies before exposure. Participants received up to three doses, and some got a booster shot later to check lo…

This study tested a high-dose flu vaccine in 1,539 healthy adults aged 60 and older. The goal was to see if the high-dose shot triggers a stronger immune response than the standard-dose flu shot. Results showed that the high-dose vaccine produced higher antibody levels against al…

This study tested a new rabies vaccine (VRVg) in 201 healthy adults in Thailand. The goal was to see if it works as well as the current vaccine when given after a possible rabies exposure. Participants received the vaccine along with rabies antibodies, and researchers measured th…

This study tested how well a single dose of BEYFORTUS (nirsevimab) protects infants from serious RSV infections that require a doctor visit. Nearly 50,000 babies were followed during their first RSV season. The goal was to see if the shot reduces hospitalizations, emergency visit…

This study tested a new type of flu vaccine in 1308 people aged 9 to 49. The goal was to see if the vaccine works as well in children and teens as it does in adults. Researchers measured immune responses and checked for safety after one dose.

This study tested whether a high-dose flu vaccine (QIV-HD) works better than the standard-dose vaccine (QIV-SD) in adults aged 60 and older. About 2,100 healthy volunteers in Japan received one of the two vaccines. The goal was to see if the high-dose version triggers a stronger …

This study tested whether a high-dose flu vaccine works better than the standard-dose vaccine in adults aged 50 to 64. About 1,180 participants received either the high-dose or standard-dose shot, and researchers measured their immune response and safety. The goal is to see if th…

This study tested a new rabies vaccine (VRVg-2) in 640 healthy adults to see if it works as well as current vaccines when given after a possible rabies exposure. Participants received the vaccine along with rabies antibodies. The results showed the new vaccine produced a strong i…

This study collected blood samples from 90 healthy children (6 months to under 9 years) and adults 65 and older who received the 2020-2021 flu vaccine. The samples were sent to health experts to help decide which flu strains to include in future vaccines. The goal was to support …

This study examined how gum disease and type 2 diabetes affect each other by measuring immune, bacterial, and other markers in 226 adults aged 30 to 70. Participants were grouped based on their gum health and blood sugar levels. The goal was to better understand the connection be…

This study surveyed about 5,000 adults in Germany to find out how many people got their flu shot during the respiratory season. It focused on adults aged 60 and older, as well as those with chronic health conditions. The goal was to provide up-to-date information to help public h…

This study collected blood samples from 90 healthy children (6 months to under 9 years) and older adults (65+) after they received their regular flu shots. The samples were sent to health agencies to help decide which flu strains to include in future vaccines. No new treatment or…

This study collected blood samples from 90 people—children aged 6 months to under 9 years and adults 65 and older—after they received the 2019-2020 flu vaccine. The samples were sent to health experts to analyze how well the vaccine worked, helping them decide which flu strains t…