What a $2 million per dose gene therapy reveals about drug pricing

Vincent Gaynor remembers, almost to the minute, when he realized his part in birthing the breakthrough gene therapy Zolgensma had ended and the forces that turned it into the world’s most expensive drug had taken over.

​ Vincent Gaynor remembers, almost to the minute, when he realized his part in birthing the breakthrough gene therapy Zolgensma had ended and the forces that turned it into the world’s most expensive drug had taken over. Read More Breaking News, Latest News and Videos | CNN