Lenny Bernstein Laurie Mcginley The Washington Post

The drug will be available to patients only through a restricted distribution program at certified facilities - such as doctors' offices or clinics - where health care providers can carefully monitor the patient. It will carry a "boxed warning," which is the strongest warning required by the FDA.

The American and Japanese researchers discovered methods of removing the brakes on cells that fight invaders, paving the way for cancer immunotherapy, which has joined surgery, radiation and chemotherapy as a major weapon in the battle against cancer.

The drug will be available to patients only through a restricted distribution program at certified facilities - such as doctors' offices or clinics - where health care providers can carefully monitor the patient. It will carry a "boxed warning," which is the strongest warning required by the FDA.

The American and Japanese researchers discovered methods of removing the brakes on cells that fight invaders, paving the way for cancer immunotherapy, which has joined surgery, radiation and chemotherapy as a major weapon in the battle against cancer.