hemophilia A


Definition of hemophilia A

: the common form of hemophilia that is caused by a deficiency of factor VIII — compare hemophilia b

Examples of hemophilia A in a Sentence

Recent Examples on the Web The company’s drug, a monthly treatment injected under the skin, significantly reduced the rate of bleeding for patients with hemophilia A and B in a small study, Centessa said Thursday. Damian Garde, STAT, 11 Sep. 2021 About 1 in 10,000 people have hemophilia A, and about half of them have a severe case. CBS News, 19 Aug. 2020 In deciding not to approve Roctavian, a BioMarin Pharmaceutical gene therapy for hemophilia A, the FDA demanded two additional years of data to strengthen the case that its benefits are durable. Adam Feuerstein, STAT, 20 Aug. 2020 Treating hemophilia A typically costs about $300,000 a year, according to the health care and biotech news site. CBS News, 19 Aug. 2020 Stimate nasal spray is used in treating certain patients with hemophilia A or those with mild to moderate classic von Willebrand's disease, a blood-clotting disorder. Kate Gibson, CBS News, 6 Aug. 2020 In 2017, the FDA approved Roche Holding AG ’s hemophilia A treatment, Hemlibra, which isn’t a gene therapy. Jared S. Hopkins, WSJ, 16 Jan. 2020 But the new warning comes from larger, older animals: adult dogs with hemophilia A, in which a clotting protein called factor VIII is missing. Jocelyn Kaiser, Science | AAAS, 6 Jan. 2020 Regulators needed to be persuaded that Roche wasn’t just buying Spark and its hemophilia A treatment, currently in clinical studies, to thwart a potential competitor for Roche’s existing hemophilia drug. BostonGlobe.com, 26 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hemophilia A.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hemophilia A

1954, in the meaning defined above

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The first known use of hemophilia A was in 1954

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hemophilia A

hemophilia B

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Statistics for hemophilia A

Cite this Entry

“Hemophilia A.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemophilia%20A. Accessed 27 Jan. 2022.

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More Definitions for hemophilia A

hemophilia A


Medical Definition of hemophilia A

: the common form of hemophilia caused by a deficiency of factor VIII in the blood Some boys with hemophilia A are endangered by any bump or scrape, while others have such mild forms that the disorder goes undetected until they lose their first tooth.Science News, 10 Aug. 1991


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