The 20 Most Expensive Prescription Drugs in America

The 20 Most Expensive Prescription Drugs in America

 // 

11. Kalydeco

Typical cost for a 30-day supply: $29,700
Treats: Cystic fibrosis

Kalydeco received the Forbes Breakthrough Drug Award last year, for “dramatically improving the lives of patients and conquering a scientific challenge that had vexed researchers for decades.” The drug hit the market in 2012, and treats a specific genetic mutation that some CF patients have.

Vertex Pharmaceuticals