Pfizer begins phase 3 clinical trials of 20vPnC, RSVpreF, and MenABCWY vaccine candidates
US pharma giant Pfizer has initiated four phase 3 clinical trials within its present pipeline of investigational vaccines. The company’s 20vPnC, which is a 20-valent pneumococcal polysaccharide conjugate vaccine candidate, will be evaluated in two phase 3 trials NCT04382326 and NCT04379713. Both the late-stage trials will evaluate a four-dose series in infants starting at the […]