
StudyFinder
Study of Navtemadlin add-on to Ruxolitinib in JAK Inhibitor-Naïve Patients With Myelofibrosis Who Have a Suboptimal Response to Ruxolitinib

RECRUITING
18 years and over
Inclusion Criteria for Ruxolitinib Alone Period:
* Confirmed diagnosis of PMF, post-PV MF, or post-ET MF, as assessed by the treating physician according to the World Health Organization (WHO) criteria
* High, Intermediate-1, Intermediate-2 risk category International Prognosis System Score (IPSS)
* Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2
* JAK-inhibitor treatment naive
Exclusion Criteria for Ruxolitinib Alone Period:
* Prior Splenectomy
* Splenic irradiation within 3 months prior to the first dose
* Prior BCL-XL, BET, MDM2, PI3K, PIM, or XPO1 inhibitors therapy or p53-directed therapy
* Eligible for Bone Marrow Transplant
* Peripheral blood or bone marrow blast count ≥ 10 percent
Inclusion Criteria for Randomized Period:
* PMF, post-PV MF, or post-ET MF that is TP53WT as assessed by central testing
* ECOG performance status of 0 to 2
* Treatment with a stable dose of ruxolitinib
* Suboptimal response to run-in ruxolitinib treatment
Exclusion Criteria for Randomized Period:
* Elevated white blood cell count that doubles (or more) during ruxolitinib treatment and exceeds 50 × 10\^9/L
* Peripheral blood or bone marrow blast count ≥ 10 percent
DRUG: Navtemadlin, DRUG: Navtemadlin placebo, DRUG: Ruxolitinib
Myelofibrosis, Post-PV MF, Post-ET Myelofibrosis, Primary Myelofibrosis, MF
Navtemadlin, KRT-232, Ruxolitinib, POIESIS, TP53, Suboptimal response, Sub-optimal response
John Mei - jmei@kartosthera.com
PHASE3
NCT06479135