⏰ when

When was gene therapy first used successfully in a human patient?

Quick Answer

A landmark successful gene therapy trial took place in 1990. It treated a child with severe combined immunodeficiency.

The Full Story

In 1990, researchers treated a four-year-old girl, Ashanti DeSilva, with gene therapy for adenosine deaminase deficiency, a form of severe combined immunodeficiency. The treatment was the first widely recognized successful use of gene therapy in a human patient. It did not cure all cases of the disorder, but it proved that genetic treatment in humans was possible. The event opened a new era in medical genetics.

Key Facts

1.First major human gene therapy in 1990
2.Patient was Ashanti DeSilva
3.Target disorder was ADA-SCID

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"The first real gene therapy success"

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