Three in every 100 children in Australia have a peanut allergy. Pictures Tim Carrafa
Three in every 100 children in Australia have a peanut allergy. Pictures Tim Carrafa

Breakthrough for peanut allergy sufferers

Peanut allergy sufferers have been given new hope following the results of a landmark study.

Children diagnosed with a severe allergy took part in a trial where they were given increasing amounts of peanut protein over a year.

The trial found that participants not normally able to tolerate exposure to even a tenth of a single peanut could eventually cope with two whole peanuts. It is believed that by gradually building up tolerance levels, allergy sufferers could protect themselves from accidental exposure.

Olivia May, 10, no longer suffers from a peanut allergy.
Olivia May, 10, no longer suffers from a peanut allergy.

 

Researchers from Evelina London Children's Hospital and King's College London took part in a study which suggests immunotherapy treatment, already used to treat pollen and bee sting allergies, could protect people from life-threatening reactions.

The PALISADE study recruited nearly 500 children aged four to 17 from the US and Europe to take part in the largest-ever peanut allergy treatment trial. Participants were split into groups who received either a capsule of peanut protein or a dummy powder.

Doses were gradually increased every two weeks for a period of six months, before continuing on a "maintenance dose" of peanut for a further six months. The results, published in the New England Journal of Medicine, found about two- thirds (67 per cent) of children and teenagers could tolerate at least 600mg of peanut protein, compared with just four per cent of participants on the dummy placebo.

 

Peanut allergy no more? Picture: Thinkstock
Peanut allergy no more? Picture: Thinkstock

Professor George du Toit, paediatric allergy consultant at Evelina London and the study's chief investigator, said: "Peanut allergy is extremely difficult to manage for children and their families, as they have to follow a strict peanut- free diet.

"Families live in fear of accidental exposure as allergic reactions can be very severe, and can even lead to death.

"Until recently there has been nothing to offer peanut allergy sufferers other than education around peanut avoidance and recognition and self-treatment of allergic reactions."

Peanut allergy, a potentially life-threatening condition, has doubled over the last two decades and affects about 3 in every 100 children in Australia.


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