Question

First clinical gene therapy was given in 1992 to a 4 years old girl for

• A. Adenine deficiency
• B. Growth deficiency
• C. Adenosine deaminase deficiency
• D. Adenosine deficiency

Answer 1

The correct option is C Adenosine deaminase deficiency

Gene therapy is a procedure of introducing copies of a healthy gene to replace defective gene responsible for disease development. The first clinical gene transfer took place on 22nd May 1992 for correction of adenosine deaminase (ADA) enzyme deficiency.