Seven presentations deliver new insights into zanidatamab's differentiated HER2 biology, emerging pre-clinical data on dordaviprone and related imipridones, and advancing research on JZP898, a conditionally activated IFN ⍺2b cytokine For U.S. media and investors only DUBLIN, March 18, 2026 /PRNewswire/ -- Jazz Pharmaceuticals plc (Nasdaq: JAZZ) today announced that the company and its partners will present one oral and six poster presentations at the 2026 American Association for Cancer Research (AACR) Annual Meeting, taking place April 17-22, 2026, in San Diego. The research highlights meaningful progress across Jazz's oncology portfolio, including new findings from company-sponsored research evaluating Ziihera® (zanidatamab-hrii), a HER2-targeted bispecific antibody; JZP898, an investigational, differentiated, conditionally activated interferon alpha-2b (IFN⍺2b) cytokine pro-drug designed for activation within the tumor microenvironment; and imipridone compounds including Modeyso™ (dordaviprone), a protease activator of the mitochondrial caseinolytic protease P (ClpP) and a dopamine D2 receptor (DRD2) inhibitor.