There is an urgent need to produce a vaccine for Chlamydia trachomatis infections. Here, using the muridarum major outer membrane protein (MOMP) as antigen, four adjuvant combinations IVAX-1 (MPLA+CpG-1018+AddaVax), IVAX-2 (MPLA+CpG-1018+AS03), CpG-1826+Montanide ISA 720 VG (CpG-1826+Mont) and CpG-1018+Montanide (CpG-1018+Mont), were tested their local reactogenicity ability elicit protection i...