A Phase 1, Open-Label, Multicenter Study of INCA035784 in Participants With Myeloproliferative Neoplasms

Inclusion Criteria: * Age 18 years or older at the time of signing the ICF * ECOG performance status of 0 to 1 for the dose escalation (Part 1a) and 0 to 2 for the dose expansion (Part 1b) * Documented CALR exon-9 mutation * Confirmed diagnosis of MPN according to the 2022 ICC criteria: * DIPSS+ intermediate-2/high-risk MF with prior JAKi, \<20% blasts, and measurable spleen * High-risk ET with platelets \>450×10⁹/L * Resistant, refractory, intolerant, or has lost response to ≥1 prior line of therapy for MF and ≥2 prior lines for ET (unless only a single standard-of-care option is approv…