The FDA has announced that it has withdrawn its approval of umbralisib (Ukoniq®, TG Therapeutics) for treatment of marginal zone lymphoma (MZL) and follicular lymphoma (FL). Umbralisib had previously been granted accelerated approval in February 2021 based on the UNITY-NHL trial (NCT02793583). The withdrawal of this treatment was determined due to updated data from the UNITY-CLL trial (NCT02612311), which revealed a possible increased risk of death in patients receiving umbralisib. TG Therapeuti...