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4. EvaluatePharma, a proprietary database, listed 289 such therapies in clinical development, as of November 6, 2019, and estimated that more than 30 new gene therapies will be approved by the FDA over the next decade, taking into account potential failures in development. https://www.evaluate.com/. Accessed 6 Nov 2019.
5. Defined as those that match “gene therapy” as the intervention/treatment, excluding those described as suspended, terminated, completed, or withdrawn. Search results, match terms = “gene therapy” in field “Interventions”. https://www.clinicaltrials.gov/ct2/results?intr=gene+therapy&Search=Apply&recrs=m&age_v=&gndr=&type=&rslt=. Accessed 5 Nov 2019.