Finger-prick blood test could reduce antibiotic use in COPD patients

A simple finger-prick blood test could help prevent unnecessary prescribing of antibiotics for people with the lung condition chronic obstructive pulmonary disease (COPD), according to NIHR-funded research.

Researchers from Cardiff University, University of Oxford and King’s College London demonstrated that using a CRP finger-prick blood test resulted in 20% fewer people using antibiotics for COPD flare-ups.

Importantly, this reduction in antibiotic use did not show to have a negative effect on patients’ recovery over the first two weeks after their consultation at their GP surgery, or on their well-being or use of health care services over the following six months.

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The PACE study has been funded by the NIHR’s Health Technology Assessment (HTA) Programme and supported by the NIHR Clinical Research Network (CRN).

A paper has been published in the New England Journal of Medicine (NEJM).

Safely reducing the use of antibiotics in this way may help in the battle against antibiotic resistance.

More than a million people in the UK have COPD, which is a lung condition associated with smoking and other environmental pollutants. People living with the condition often experience exacerbations, or flare-ups, and when this happens, three out of four are prescribed antibiotics.

However, two-thirds of these flare-ups are not caused by bacterial infections and antibiotics often do not benefit patients.

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Professor Nick Francis, from Cardiff University’s School of Medicine, said: “Governments, commissioners, clinicians, and patients living with COPD around the world are urgently seeking tools to help them know when it is safe to withhold antibiotics and focus on treating flare-ups with other treatments.

“This is a patient population that are often considered to be at high risk from not receiving antibiotics, but we were able to achieve a reduction in antibiotic use that is about twice the magnitude of that achieved by most other antimicrobial stewardship interventions, and demonstrate that this approach was safe.”

More information on the PACE study is available on the NIHR Journals Library website.


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