Dynamite News Health: Severe asthma treatment with psoriasis medicine leads to worsening of symptoms says Study
According to the trial results of a new study, a medicine licensed to treat psoriasis led to worsened symptoms in patients who were suffering from severe asthma.
Leicester [UK]: According to the trial results of a new study, a medicine licensed to treat psoriasis led to worsened symptoms in patients who were suffering from severe asthma. The findings of the study were published in the 'New England Journal of Medicine'.
The study, which was led by researchers at the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, a partnership between Leicester's Hospitals, the University of Leicester and Loughborough University, investigated whether risankizumab could potentially improve the symptoms and reduce 'attacks' in people with severe asthma.
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The international study, co-led by researchers in Manchester, Belgium and Canada, recruited 214 patients into the trial; 105 patients were randomised to a risankizumab injection every four weeks over a 24-week period, while 109 patients received a placebo. Researchers measured the 'time-to-first' worsening determined by increasing symptoms, deterioration in breathing tests, increased use of inhalers and need for steroid tablets. Patients treated with risankizumab had an average time-to-first-worsening of 40 days, compared to 86 days for the patients given a placebo.
Studying 'gene signatures' from immune cells in airway samples, risankizumab was shown to decrease molecules known to be important in protection against infection, which possibly explains the observed poorer asthma control. Professor Chris Brightling, NIHR Senior Investigator at the NIHR Leicester Biomedical Research Centre (BRC) and study lead, said: "It is always disappointing when a potential treatment is shown to be ineffective at treating a disease, more so when it makes symptoms worse.
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He further said, "We think risankizumab reduces the presence of substances in the airways that are important factors in preventing infections, which probably makes the patients' symptoms worse. This theory is backed by molecular profiling, which shows reduced levels of these substances in samples taken from patients on the trial." (ANI)