Active clinical trials for "Gram-Negative Bacterial Infections"

Carbapenem-resistant (CR) Gram negative bacteria (GNB) - which are resistant to carbapenems (a last-line potent antibiotic with a high therapeutic index) - are also resistant to all other beta-lactam antibiotics. Most CRGNB are also extensively-drug resistant (XDR) (resistant to all classes of antibiotics except polymyxins and/or tigecycline) or pan-drug resistant (PDR) (resistant to all antibiotics), resulting in a dearth of effective options against these life-threatening infections. Against CRGNB, standard therapy includes monotherapy (using polymyxins or tigecycline) or unguided antibiotics combination (polymyxins + carbapenem). Unfortunately, CRGNB can develop resistance after antibiotic monotherapy, resulting in the further development of pan-drug resistance. Unguided antibiotic combinations, selected anecdotally based on past experience, are also unlikely to be useful in our local setting, as effective antimicrobial combinations are bacterial-strain specific due to large variation in molecular mechanisms of resistance.Hence, the investigators propose to evaluate the efficacy of a novel treatment strategy using in vitro antibiotic combination testing (iACT) to guide antibiotic combinations in the management of patients with CRGNB infections in a randomised controlled trial (RCT).

This study aims to assess how large an additional disease burden and what extra costs are generated by antibiotic resistance in patients suffering from infections caused by gram-negative bacteria, such as Escherichia coli and Pseudomonas aeruginosa, in hospitals in the Netherlands.

In this observational study, the NICHD Neonatal Research Network (NRN) is conducting surveillance of all infants born at NRN centers to identify all newborns who are diagnosed with early-onset sepsis (EOS) and/or meningitis. The study will: establish current hospital-based rates of EOS among term and preterm infants in the era of intrapartum antibiotic prophylaxis; monitor the organisms associated with EOS and meningitis; compare asymptomatic and symptomatic infants by gestational age and pathogen; and monitor sepsis-associated mortality rates by pathogen group.

The aims of this study are to: Determine the risk factors for multidrug resistance in bloodstream isolates of Gram negative bacilli Determine the mechanisms of multidrug resistance in bloodstream isolates of Gram negative bacilli Determine the risk factors for failure of prompt clearance of the blood of Gram negative bacteria Determine the survival of patients with Gram negative bacteremia Determine if failure of prompt clearance of the blood of Gram negative bacteria is a predictor of mortality following this infection

This study is a retrospective, observational study to evaluate minocycline use in participants under real world conditions.

The proposed endpoints of the study would be: comparative use of piperacillin versus broader spectrum agents (e.g., piperacillin/tazobactam, etc.) [measured as defined daily doses per 1000 patient days]; physician acceptance of piperacillin as part of a streamlining program [measured as successful occurrences of the use of piperacillin as streamlining therapy]; changes in susceptibility patterns of broad spectrum antibiotics [measured as % Gram negative bacilli susceptible to each of the commonly used broad spectrum antibiotics]; and outcome of patients treated with streamlined therapy.

All patients undergoing autologous or allogeneic stem cell transplant (SCT) for any underlying disease will be monitored for severe infections by gram negative bacteria (SIGNB) during the engraftment period. The follow up will be stopped at 4 months from the day of transplant. About 50 transplant centers will be involved in the study.

Solid organ transplant (SOT) recipients have increased incidence of infections with MDRO pathogens. This difference leads to a disparity in antibiograms between SOT recipients and other hospitalized patients.

There are many bacteria that naturally live in our gut and are essential for good health. These bacteria have a variety of helpful functions, such as aiding digestion, synthesizing vitamins, repressing the growth of harmful bacteria and defending against some diseases. The desirable bacteria that live in the gut are collectively known as 'gut flora', or more appropriately, as 'gut microbiota'. The less desirable resistant bacteria, however, can also be carried in a person's gut for prolonged periods of time and be found in the stools without causing illness. Persons that carry the resistant bacteria in the gut are known as "carriers" and they require no treatment. Knowing that a person carries resistant bacteria is helpful, because it will inform the choice of antibiotic if the person were to become unwell or had an intervention such as surgery in the future. There is some evidence that resistant bacteria found in the stools can sometimes be passed from one person to another and eventually make someone ill if they infect (invade) their body. The investigators do not know how often this may happen, or how much carrying resistant bacteria in the stools may facilitate the spread of resistant bacteria in the population. It is important to address these questions and study ways to stop the resistant bacteria from spreading to safeguard the efficacy of antibiotics.

Expanded access may be provided for cefiderocol for qualified patients who have limited treatment options and are not eligible for a clinical trial.