BTK.md
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Driver mutations affecting this gene in FL/DLBCL have been experimentally demonstrated to cause a reduction or loss of function (LOF).[@huFollicularLymphomaassociatedBTK2021]
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+## Clinical Relevance
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+The BTK inhibitor Imbruvica (Ibrutinib) had prior FDA approval for use in MCL and MZL which has since been [withdrawn](https://www.drugs.com/history/imbruvica.html) because *primary outcomes from the confirmatory Phase 3 studies studies were considered insufficient to support conversion to full approval.*
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## Relevance tier by entity
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[[include:tables/table1_BTK.md]]