Hospital-acquired Pneumonia Clinical Trial
Official title:
Feasibility Study of the Clinical and Cost-effectiveness of Contemporary Diagnostics for Patients With Suspected Hospital-Acquired Pneumonia (HAP).
Hospital-Acquired Pneumonia (HAP) is a severe lung infection that develops while a patient is in hospital. We aim to design a trial to see if modern diagnostic investigations can safely improve outcomes for patients suspected of HAP. Currently, doctors use chest x-rays to make the diagnosis, but these are difficult to interpret and a third of patients suspected of HAP receive antibiotics inappropriately. Patients are concerned about misdiagnosis and a solution might be to replace the chest x-ray with a CT scan since these show the lungs in more detail. Once a diagnosis of HAP is made, doctors would like to identify the bacteria or viruses responsible. However, current tests are too slow to determine the initial treatment, so guidelines suggest we cover a range of possibilities with two extended spectrum antibiotics. Patients tell us they are concerned, because these antibiotics increase the risk of severe side effects and promote antibiotic resistance. The BIOFIRE® FILMARRAY® pneumonia panel (FAPP) is a new test that can identify the cause of HAP quickly. If we can determine the best way to use the FAPP, we can give antibiotics more effectively and slow the development of antimicrobial resistance. We will conduct a feasibility study to inform the design of a fully powered trial to discover whether using CT scans or the FAPP, or both together, helps improve antibiotic use and patient recovery whilst being cost effective. We will interview some participants and staff about how the trial is working so that we can improve the design. We will list the costs associated with HAP so we can design a cost effectiveness evaluation for the definitive trial. We will use patient samples to investigate immune and inflammation related processes to better understand why some people develop HAP and why some become particularly unwell.
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