Sanofi Pasteur, a Sanofi Company
Clinical trials sponsored by Sanofi Pasteur, a Sanofi Company, explained in plain language.
The vaccines division of Sanofi, developing and manufacturing vaccines.
Not investment advice. Company information is shown for context only. Clinical trials frequently fail.
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Upcoming readouts
Trials from this sponsor expected to report results within the next 12 months.
- New vaccine aims to protect kids from pneumonia – study underway Results expected Dec 2026 (estimated)
- Double defense: new mRNA vaccine targets two lung viruses in seniors Results expected Jan 2027 (estimated)
- Scientists watch EBV wake up in healthy young people Results expected May 2027 (estimated)
- New 21-Strain pneumonia vaccine shows promise in infant trial Results expected May 2027 (estimated)
- New 5-in-1 meningitis shot could protect kids from five strains at once Results expected May 2027 (estimated)
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Could a shot cure your acne? new mRNA vaccine trial begins
Vaccine Recruiting nowThis study tests an mRNA vaccine designed to fight acne. Researchers will give two shots to 120 adults aged 18 to 45 with mild acne. The goal is to see if the vaccine is safe and reduces pimples. Participants are randomly assigned to receive the vaccine or a placebo.
Phase 1/2 • Sponsor: Sanofi Pasteur, a Sanofi Company • Aim: Vaccine
Last updated Jul 11, 2026 00:00 UTC
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Could a shot clear up acne? new mRNA vaccine trial begins
Disease control Recruiting nowThis study tests an experimental mRNA vaccine designed to treat moderate to severe acne in adults aged 18 to 45. The vaccine is given as up to three injections into the muscle. Researchers will monitor safety, immune response, and how well it reduces acne lesions. The trial invol…
Phase 1/2 • Sponsor: Sanofi Pasteur, a Sanofi Company • Aim: Disease control
Last updated Aug 23, 2026 00:00 UTC
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Dengue vaccine safety checked in pregnant women
Knowledge-focused Recruiting nowThis study tracks 500 pregnant women in the US who received the Dengvaxia dengue vaccine. Researchers will monitor mothers and their babies for any side effects or pregnancy complications. The goal is to gather safety data, not to test the vaccine's effectiveness.
Sponsor: Sanofi Pasteur, a Sanofi Company • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:13 UTC
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New study tracks meningitis vaccine safety in pregnancy
Knowledge-focused Recruiting nowThis study monitors the safety of the MenQuadfi vaccine when given to pregnant women or within 30 days before their last period. Researchers will track side effects in mothers and health outcomes in babies, including birth defects and complications. About 50 women in the U.S. wil…
Sponsor: Sanofi Pasteur, a Sanofi Company • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:00 UTC