hemophilia B

noun

Definition of hemophilia B

: a mild to severe hemophilia that is caused by a deficiency of factor IX

called also Christmas disease

— compare hemophilia a

Examples of hemophilia B in a Sentence

Recent Examples on the Web UniQure’s hemophilia B treatment also appears to be working, with 52 of 54 patients no longer needing injections of factor IX after 6 months in its latest study. Jocelyn Kaiser, Science | AAAS, 22 Dec. 2020 The clinical hold, mandated by the Food and Drug Administration, encompasses three ongoing studies of Uniqure’s hemophilia B gene therapy called etranacogene dezaparvovec. Adam Feuerstein, STAT, 21 Dec. 2020 Pfizer has partnered with Spark on development of a hemophilia B treatment. Jonathan D. Rockoff, WSJ, 23 Feb. 2019 Queen Victoria was the first in her family to carry hemophilia B, a blood clotting disorder, but the Queen herself was not a hemophiliac. Chanel Vargas, Town & Country, 8 Jan. 2019 Alexei suffered from hemophilia B, a rare blood condition in which blood does not clot properly. Temi Adebowale, Town & Country, 26 Sep. 2018 In hemophilia B, a form of the clotting disorder, UniQure is looking at a market that’s worth $1.5 billion annually, according to Elizabeth Krutoholow, a Bloomberg Intelligence analyst. Bloomberg.com, 6 Apr. 2018 Queen Victoria was the first in her family to carry hemophilia B, a blood clotting disorder. Chanel Vargas, Town & Country, 4 Jan. 2018 More than 400,000 people around the world are estimated to suffer from hemophilia A, which is six times as common as hemophilia B, according to an accompanying editorial. Manisha Ganguly, CNN, 14 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hemophilia B.' 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 B

1954, in the meaning defined above

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The first known use of hemophilia B was in 1954

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Cite this Entry

“Hemophilia B.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemophilia%20B. Accessed 25 Jun. 2021.

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More Definitions for hemophilia B

hemophilia B

noun

Medical Definition of hemophilia B

: a mild to severe hemophilia that is caused by a deficiency of factor IX in the blood Hemophilia B occurs mostly in males.… The inadequate or inactive supply of clotting factor results in periodic internal bleeding.— K. A. Fackelmann, Science News, 2 Oct. 1993

called also Christmas disease

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