Infectious embryofetopathy

This study tests whether oral antibiotics (linezolid or amoxicillin) can effectively treat newborns at risk of congenital syphilis, compared to a standard penicillin shot. The goal is to find a safe, outpatient-friendly option that avoids long hospital stays. The trial involves 9…

This study tests whether the drug letermovir can stop cytomegalovirus (CMV) in unborn babies better than the current treatment valaciclovir. Pregnant women with a CMV-infected fetus will take one of the two drugs daily until delivery. The goal is to see if letermovir leads to a n…

This study tests whether adding special immune cells from the mother to standard antiviral medicine can safely and more effectively treat moderate to severe CMV infection in newborns. Babies up to 21 days old with confirmed CMV disease may join. All receive antiviral drugs, and s…

This study tests whether a rapid finger-prick blood test for syphilis and HIV can be used in a prenatal clinic for pregnant people at risk. The test gives results in five minutes, potentially speeding up diagnosis and treatment. Participants will provide feedback on their experie…

This study tests whether giving penicillin shots to pregnant women at high risk for syphilis can prevent infection. Researchers in Rio de Janeiro will enroll 500 women and compare the shots to standard care. Participants receive monthly injections and tests during their third tri…

This study analyzes dried blood spots from 630 newborns to find protein and RNA markers that could predict which babies with congenital CMV will develop hearing loss or other problems. Researchers will compare samples from infected babies who had complications, those who did not,…

This study collects information from 450 newborns who fail their initial hearing screening. Doctors will test them for congenital CMV, a common infection that can cause hearing loss and other problems. The goal is to see how often CMV is found and to improve follow-up care for af…