Gene therapy for wet age-related macular degeneration is one of two later-stage gene therapies flagged in CVS Caremark’s latest pipeline report that are outliers because they target conditions afflicting millions of patients and could dramatically increase Part B spending.

Following its decision to maintain a stock listing for SillaJen earlier this month, the Korea Exchange has done the same for Kolon TissueGene, which had faced delisting but has resumed trading amid decisive moves to improve its business.

Only about one-quarter of the 40 gene therapies projected to launch by the end of 2025 would have potential US patient populations of more than 50,000. But a handful of treatments could target millions of individuals.

Only about one-quarter of the 40 gene therapies projected to launch by the end of 2025 would have potential US patient populations of more than 50,000. But a handful of treatments could target millions of individuals.