The U.S. Food and Drug Administration on Thursday approved a costly single-dose gene therapy for patients with severe hemophilia A, a life-threatening hereditary bleeding disorder.

The treatment is not cheap: Roctavian will cost $2.9 million for a single infusion, the Associated Press reported.

"Hereditary hemophilia A is a potentially serious bleeding disorder. Severe case...

An experimental injectable drug appears effective in reducing bleeds in patients with hemophilia A and B, according to a pair of new clinical trials.

Two-thirds of people with treatment-resistant hemophilia who were treated with the drug fitusiran had no bleeds at all after nine months, versus just 5% of people treated with drugs that enhance clotting, according to a trial published onlin...

People with one form of the genetic blood disorder hemophilia now have a one-time treatment with a $3.5 million price tag.

The U.S. Food and Drug Administration approved the new gene therapy Hemgenix on Nov. 22. Soon after, drugmaker CSL Behring revealed its cost.

The company said its drug would ultimately reduce health care costs because patients with the genetic disorder would ne...

People with hemophilia B could find their bleeding risk dramatically reduced with just one injection of an experimental gene therapy, a new study reports.

Hemophilia B is a rare and inherited genetic disorder in which people have low levels of the