“…This medication does have the risk of PML. 273,274 Other Mab being studied for Crohn's disease but not yet approved by the FDA include Ustekinumab, brazikumab, etrolizumab, risankizumab, and ontamalimab. In contrast, Mabs studied but not beneficial for Crohn's disease include andecaliximab, eldelumab, and fontolizumab.…”