Prothrombin complex concentrate (PCC), also known as factor IX complex, sold under the brand name Kcentra among others, is a combination medication made up of blood clotting factorsII, IX, and X[9](3-factor PCC) or, when also containing factor VII as does Kcentra, 4-factor PCC.[10] It is used to treat and prevent bleeding in hemophilia B if pure factor IX is not available.[9][11] It may also be used for reversal of warfarin therapy.[11] It is given by slow injection into a vein.[9] Another product, activated prothrombin complex concentrate or FEIBA (Factor Eight Inhibitor Bypassing Agent), may be used for acquired hemophilia.[12]
^World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06.
^World Health Organization (2015). The selection and use of essential medicines. Twentieth report of the WHO Expert Committee 2015 (including 19th WHO Model List of Essential Medicines and 5th WHO Model List of Essential Medicines for Children). Vol. 994. Geneva: World Health Organization. p. 510. hdl:10665/189763. ISBN978-92-4-120994-6. ISSN0512-3054. WHO technical report series.
^"Factor IX (Recombinant)". The American Society of Health-System Pharmacists. Archived from the original on 24 September 2017. Retrieved 8 December 2016.