hemophilia B
noun
: a mild to severe hemophilia that is caused by a deficiency of factor IX
called also Christmas disease
compare hemophilia aExamples of hemophilia B in a Sentence
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About 15 to 20 percent have hemophilia B while the rest have hemophilia A, which is caused by low levels of another protein known as factor VIII.
—
Jonathan Saltzman, BostonGlobe.com, 29 Jan. 2023
The firm plans to begin treating patients with severe hemophilia B in the United States by March 31.
—Jonathan Saltzman, BostonGlobe.com, 29 Jan. 2023
In November, UniQure won approval for Hemgenix, the first hemophilia B gene therapy.
—Jason Mast, STAT, 29 Dec. 2022
In 2011, six hemophilia B patients were able to stop or decrease the frequency of their usual injections thanks to gene therapy.
—Veronique Greenwood, Discover Magazine, 2 Sep. 2014
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Jonathan Saltzman, BostonGlobe.com, 29 Jan. 2023
The firm plans to begin treating patients with severe hemophilia B in the United States by March 31.
—Jonathan Saltzman, BostonGlobe.com, 29 Jan. 2023
In November, UniQure won approval for Hemgenix, the first hemophilia B gene therapy.
—Jason Mast, STAT, 29 Dec. 2022
In 2011, six hemophilia B patients were able to stop or decrease the frequency of their usual injections thanks to gene therapy.
—Veronique Greenwood, Discover Magazine, 2 Sep. 2014
See All Example Sentences for hemophilia B
Cite this Entry
“Hemophilia B.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemophilia%20B. Accessed 27 Feb. 2025.
Copy CitationMedical Definition
hemophilia B
noun
: 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
K. A. Fackelmann, Science Newscalled also Christmas disease
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