These same cost issues described in the article below apply to drugs used in treating retinal disease, in which companies charge 2000-3000$ per injection. Some patients need these monthly...and in each eye...for the rest of their life...

With the cost of some lifesaving cancer drugs exceeding $100,000 a year, more than 100 influential cancer specialists from around the world have taken the unusual step of banding together in hopes of persuading some leading pharmaceutical companies to bring prices down.
Prices for cancer drugs have been part of the debate over health care costs for several years — and recently led to a public protest from doctors at a major cancer center in New York. But the decision by so many specialists, from more than 15 countries on five continents, to join the effort is a sign that doctors, who are on the front lines of caring for patients, are now taking a more active role in resisting high prices. In this case, some of the specialists even include researchers with close ties to the pharmaceutical industry.