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Haemophilia, or hemophilia, is a mostly inherited genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding. This results in people bleeding for a longer time after an injury, easy bruising, and an increased risk of bleeding inside joints or the brain. Those with a mild case of the disease may have symptoms only after an accident or during surgery. Bleeding into a joint can result in permanent damage while bleeding in the brain can result in long term headaches, seizures, or an altered level of consciousness.
Haemophilia A is a blood clotting disorder caused by a genetic deficiency in clotting factor VIII, thereby resulting in significant susceptibility to bleeding, both internally and externally. This condition occurs almost exclusively in males born to carrier mothers due to X-linked recessive inheritance. Nevertheless, rare isolated cases do emerge from de novo (spontaneous) mutations.
Haemophilia B, also spelled hemophilia B, is a blood clotting disorder causing easy bruising and bleeding due to an inherited mutation of the gene for factor IX, and resulting in a deficiency of factor IX. It is less common than factor VIII deficiency.
Desmopressin, sold under the trade name DDAVP among others, is a medication used to treat diabetes insipidus, bedwetting, hemophilia A, von Willebrand disease, and high blood urea levels. In hemophilia A and von Willebrand disease, it should only be used for mild to moderate cases. It may be given in the nose, by injection into a vein, by mouth, or under the tongue.
Coagulation factor VII is a protein involved in coagulation and, in humans, is encoded by gene F7. It is an enzyme of the serine protease class. Once bound to tissue factor released from damaged tissues, it is converted to factor VIIa, which in turn activates factor IX and factor X.
Factor IX, also known as Christmas factor, is one of the serine proteases involved in coagulation; it belongs to peptidase family S1. Deficiency of this protein causes haemophilia B.
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 factors II, IX, and X(3-factor PCC) or, when also containing factor VII as does Kcentra, 4-factor PCC. It is used to treat and prevent bleeding in hemophilia B if pure factor IX is not available. It may also be used for reversal of warfarin therapy. It is given by slow injection into a vein. Another product, activated prothrombin complex concentrate or FEIBA, may be used for acquired hemophilia.
Factor VIII is a medication used to treat and prevent bleeding in people with hemophilia A and other causes of low factor VIII. Certain preparations may also be used in those with von Willebrand's disease. It is given by slow injection into a vein.
Moroctocog alfa is a recombinant antihemophilic factor genetically engineered from Chinese hamster ovary (CHO) cell line. Chemically it is a glycoprotein. It is manufactured by Genetics Institute, Inc. and used to control and prevent hemorrhagic bleeding and prophylaxis associated with surgery or to reduce the number of spontaneous bleeding episodes in patients with hemophilia A. It is partially a recombinant coagulation factor VIII since it has an amino acid sequence which compares to the 90 + 80 kDa form of factor VIII (BDDrFVIII). It also has posttranslational modifications which are similar to those of the plasma-derived molecule. It can not prevent hemorrhagic bleeding associated with von Willebrand's disease since it is not a von Willebrand factor.
Recombinant factor VIIa (rfVIIa) is a form of blood factor VII that has been manufactured via recombinant technology. It is administered via an injection into a vein. It is used to treat bleeding episodes in people who have acquired haemophilia, among other indications. There are several disimilar forms, and biosimilars for each. All forms are activated.
Andexanet alfa, sold under the brand name Andexxa among others, is an antidote for the medications rivaroxaban and apixaban, when reversal of anticoagulation is needed due to uncontrolled bleeding. It has not been found to be useful for other factor Xa inhibitors. It is given by injection into a vein.
Jeanne Marie Lusher, M.D. was an American physician, pediatric hematologist/oncologist, and a researcher in the field of bleeding disorders of childhood, and has served as the director of Hemostasis Program at the Children's Hospital of Michigan until her retirement on June 28, 2013.
Turoctocog alfa is a recombinant antihemophilic factor VIII used for the treatment of and prophylaxis of bleeding patients with haemophilia A. It is marketed by Novo Nordisk. It was approved in the United States, the European Union, and Japan in 2013.
Acquired haemophilia A (AHA) is a rare but potentially life-threatening bleeding disorder characterized by autoantibodies directed against coagulation factor VIII. These autoantibodies constitute the most common spontaneous inhibitor to any coagulation factor and may induce spontaneous bleeding in patients with no previous history of a bleeding disorder.
Susoctocog alfa, sold under the brand name Obizur, is a medication used for the treatment of bleeding episodes in adults with acquired haemophilia, a bleeding disorder caused by the spontaneous development of antibodies that inactivate factor VIII.
Efmoroctocog alfa, sold under the brand name Elocta among others, is a medication for the treatment and prophylaxis of bleeding in people with hemophilia A. Efmoroctocog alfa is a recombinant human coagulation factor VIII, Fc fusion protein (rFVIIIFc). It is produced by recombinant DNA technology in a human embryonic kidney (HEK) cell line.
Valoctocogene roxaparvovec, sold under the brand name Roctavian, is a gene therapy used for the treatment of hemophilia A. It was developed by BioMarin Pharmaceutical. Valoctocogene roxaparvovec is made of a virus (AAV5) that has been modified to contain the gene for factor VIII, which is lacking in people with hemophilia A. It is an adeno-associated virus vector-based gene therapy. It is given by intravenous infusion.
Etranacogene dezaparvovec, sold under the brand name Hemgenix is a gene therapy used for the treatment of hemophilia B. Etranacogene dezaparvovec is an adeno-associated virus vector-based gene therapy which consists of a viral vector carrying a gene for clotting Factor IX. The gene is expressed in the liver to produce Factor IX protein, to increase blood levels of Factor IX and thereby limit bleeding episodes. Hemophilia B is a genetic bleeding disorder resulting from missing or insufficient levels of blood clotting Factor IX, a protein needed to produce blood clots to stop bleeding.
Efanesoctocog alfa, sold under the brand name Altuviiio, is a medication used for the treatment of hemophilia A.
Fidanacogene elaparvovec, sold under the brand name Beqvez among others, is a gene therapy delivered via adeno-associated virus used for the treatment of hemophilia B.
References
- 1 2 "Jivi". Therapeutic Goods Administration (TGA). 6 April 2023. Archived from the original on 8 April 2023. Retrieved 7 April 2023.
- ↑ "Jivi damoctocog alfa pegol 250 IU powder for injection vial with diluent syringe (384590)". Therapeutic Goods Administration (TGA). 28 March 2023. Archived from the original on 8 April 2023. Retrieved 7 April 2023.
- ↑ https://www.tga.gov.au/resources/auspar/auspar-jivi [ bare URL ]
- ↑ "Regulatory Decision Summary for Jivi". 23 October 2014. Archived from the original on 7 June 2022. Retrieved 7 June 2022.
- 1 2 3 "Jivi (antihemophilic factor- recombinant pegylated-aucl kit". DailyMed. 30 August 2018. Archived from the original on 11 October 2020. Retrieved 1 October 2020.
- 1 2 3 4 "Jivi EPAR". European Medicines Agency (EMA). 24 September 2018. Archived from the original on 2 October 2020. Retrieved 1 October 2020. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
- 1 2 "Jivi". U.S. Food and Drug Administration (FDA). 29 August 2018. STN: BL 125661. Archived from the original on 30 October 2020. Retrieved 1 October 2020.
This article incorporates text from this source, which is in the public domain . - ↑ Paik J, Deeks ED (July 2019). "Damoctocog Alfa Pegol: A Review in Haemophilia A". Drugs. 79 (10): 1147–1156. doi:10.1007/s40265-019-01152-7. PMC 6711950 . PMID 31218660.
