The best replacement for gene therapy is genetic engineering.

The best alternatives to gene therapy are rated as following:
★★★★★  genetic engineering
★★★★  stem cell therapy
★★★★  drug therapy
★★  cell therapy
★★  gene transfer
★★  chemotherapy
★★  stem cells
★  stem cell
★  protein therapy
★  germline gene therapy
★  in vivo gene therapy
★  somatic gene therapy
★  gene doping
  bone marrow transplant
  germline

Your alternative for gene therapy is not listed? Suggest!
Speaking about gene therapy, one probably shouldn't forget about cystic fibrosis.

Other search terms related to gene therapy and their ratings are:
★★★★★ cystic fibrosis
★★★★ adenovirus
★★ hemophilia
You have in mind a companion for gene therapy and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gene therapy in all years. Click on graph for more.
gene therapy
genetic engineering
stem cell therapy