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FDA Approves Coagadex®, First Factor X Concentrate

October 21, 2015
FDA Approves Coagadex®, First Factor X Concentrate

The US Food and Drug Administration (FDA)  approved Coagadex®, Coagulation Factor X (Human), for hereditary factor X (FX) deficiency. Until today’s orphan drug approval, no specific coagulation factor replacement therapy was available for patients. In healthy individuals, the FX protein activates enzymes to help with normal blood clotting in the body. FX deficiency is an inherited disorder affecting men and women equally in which the blood does not clot as it should. Patients with the disorder are usually treated with fresh-frozen plasma or plasma-derived prothrombin complex concentrates (plasma products containing a combination of vitamin K-dependent proteins) to stop or prevent bleeding. The availability of a purified  FX concentrate increases treatment options for patients with this rare bleeding disorder.

“The approval of Coagadex is a significant advancement for patients who suffer from this rare but serious disease,” said Karen Midthun, MD, director of the FDA’s Center for Biologics Evaluation and Research.    

Coagadex, which is derived from human plasma, is indicated for individuals aged 12 and older with hereditary  FX deficiency for on-demand treatment and control of bleeding episodes, and for perioperative (period extending from the time of hospitalization for surgery to the time of discharge) management of bleeding in patients with mild hereditary  FX deficiency.

The safety and efficacy of Coagadex were evaluated in a multi-center, nonrandomized study involving 16 participants (208 bleeding episodes) for treatment of spontaneous, traumatic and heavy menstrual (menorrhagic) bleeding episodes. Coagadex was demonstrated to be effective in controlling bleeding episodes in participants with moderate to severe hereditary  FX deficiency. It was also evaluated in five participants with mild to severe  FX deficiency who were undergoing surgery. The five individuals received Coagadex for perioperative management of seven surgical procedures. Coagadex was demonstrated to be effective in controlling blood loss during and after surgery in participants with mild deficiency. No individuals with moderate or severe  FX deficiency received Coagadex for perioperative management of major surgery, and no safety concerns were identified in either study.

The FDA granted Coagadex orphan product designation for these uses. Orphan product designation is given to drugs intended to treat rare diseases in order to promote their development. Coagadex was also granted fast track designation and priority review.

Coagadex is manufactured by Bio Products Laboratory Limited in Elstree, Hertfordshire, United Kingdom. 


The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, and security of human and veterinary drugs, vaccines and other biological products for human use, and medical devices. The agency also is responsible for the safety and security of our nation’s food supply, cosmetics, dietary supplements, products that give off electronic radiation, and for regulating tobacco products.