Sanofi Pasteur, A Sanofi Company

This study tests an mRNA vaccine designed to treat mild acne. About 120 adults aged 18 to 45 with mild acne will receive two doses of the vaccine or a placebo. Researchers will check if the vaccine is safe, reduces acne lesions, and triggers an immune response. The study includes…

This study tests an experimental mRNA vaccine designed to treat moderate to severe acne in adults aged 18 to 45. Participants will receive up to three injections of the vaccine or a placebo, and researchers will monitor safety, immune response, and changes in acne lesions. The go…

This study is a safety registry that will follow about 50 pregnant women in the US who received the MenQuadfi vaccine during pregnancy or shortly before. Researchers will track any health issues in the mothers and their babies, such as pregnancy complications or birth defects. Th…

This study follows 100 healthy adults aged 18 to 29 who have had Epstein-Barr virus (EBV) in the past. Researchers will collect blood and saliva samples over 6 to 12 months to see when and how the virus becomes active again. No treatments or vaccines are given—the goal is simply …

This study tracks the safety of the Dengvaxia vaccine when given to pregnant women. Researchers will monitor 500 women and their babies for any health issues during pregnancy, birth, and early life. The goal is to gather information, not to treat or prevent disease directly.