Alexion's ($ALXN) Soliris is arguably the most expensive drug in the world. The rare-disease therapy fights two life-threatening diseases--and it costs up to $400,000 per year, depending upon the patient. And if the company has its way, the drug may be targeted at another group of patients…Patients with NMO are progressively disabled by each attack. Inflammation of the spinal cord and eye nerves can lead to paralysis, blindness and death, study investigator Sean J. Pittock of the Mayo Clinic said. One report found that 30% of NMO patients died within 5 years of developing the disease.
FiercePharma by Tracy Staton