Brill-Zinsser disease

This study tests a combination of two antibiotics, aztreonam and avibactam, in newborns and infants up to 9 months old who have serious infections caused by gram-negative bacteria. The trial has two parts: one to see how a single dose moves through the body, and another to test m…

This study tests whether adding a second antibiotic (fosfomycin) to the standard antibiotic (ceftazidime) helps people with severe gram-negative infections recover faster. About 100 hospitalized adults will be randomly assigned to get either the combo or the standard drug plus a …

This study observes 600 patients in Korea who receive Zavicefta for complicated abdominal or urinary tract infections or hospital-acquired pneumonia. Researchers track side effects and how well the drug works. It is required by Korean regulators to ensure the drug's safety after …

This study is observing up to 2,000 people in Russia who have or may have rickettsiosis, a tick-borne illness. Researchers will collect leftover blood or swab samples from standard tests to identify the specific germ causing the infection. They will then compare the germ type wit…