Dexamethasone for covid 19

Robina 7 day doctors Acupuncture

an old anti-inflammatory drug, dexamethasone, which has been described as cheap, old and boring.

Preliminary results from a clinical trial just released indicate the drug seems to reduce your chance of dying from COVID-19 if you’re in hospital and need oxygen or a machine to help you breathe.

The results were significant enough for the UK to recommend its use for severe COVID-19.

Before we roll it out in Australia, we need to balance the drug’s risks with its benefits after peer-review of the full trial data.

What is dexamethasone?

Dexamethasone has been used since the late 1950s, so doctors are familiar with it. It’s also inexpensive, with a packet of 30 tablets costing around A$22 (for general patients) under Australia’s Pharmaceutical Benefits Scheme.

So if it does work for COVID-19, this cheap and boring drug, already available in Australia with a prescription, would be easy to add to current treatments.

Dexamethasone belongs to a class of drugs known as corticosteroids and is used to treat a range of conditions related to inflammation. These include severe allergies, some types of nausea and vomiting, arthritis, swelling of the brain and spinal cord, severe asthma, and for breathing difficulties in newborn babies.

And it’s dexamethasone’s application to those latter two respiratory conditions that prompted doctors to think it may also help patients severely affected by COVID-19.

What did the trial find?

The recently reported results come from the Randomised Evaluation of COVID-19 Therapy, or RECOVERY, trial.

The researchers put patients into one of three groups: those needing ventilation (a machine that helps them breath); those who just needed oxygen therapy; and those who needed no treatment to help them breathe.

Patients in each of those groups were given dexamethasone (6mg once a day, either as a tablet or via intravenous injection), for ten days. A fourth group (a control group) was not given the drug.

Dexamethasone was most useful for the ventilated patients; deaths for this group dropped by about one-third with drug treatment. In contrast, deaths only dropped by one-fifth for those patients who were only receiving oxygen therapy. There was no benefit to patients who could breathe normally.

What happens next?

The results of the clinical trial are preliminary. So we need to wait for the full study data and scientific peer-review before we can make a definitive decision as to whether dexamethasone treatment is a worthwhile, and safe, addition to COVID-19 therapy in Australia.

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