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Tezepelumab treatment may mean asthmatics for whom inhalers are ineffective can reduce or stop taking steroids

monthly injection could allow people with severe asthma to stop taking daily steroid tablets, a clinical trial has found.

More than 260 million people are thought to have asthma worldwide. While most can control their asthma with inhalers to treat immediate symptoms and preventive ones to reduce inflammation, those with the most severe asthma often take daily doses of oral corticosteroids as well.

But long-term use is associated with serious health conditions, including osteoporosis, diabetes and increased vulnerability to infections.

Now an international clinical trial has found that participants who received injections of tezepelumab every four weeks were able to reduce or even stop taking their steroids entirely with no ill effects.