Overview
This study is being conducted to assess the Safety, Tolerability, and Pharmacokinetics of INCB160058 in Participants With Myeloproliferative Neoplasms.
Eligibility
Inclusion Criteria:
- Age ≥ 18 years
- MF: Intermediate-1 or higher risk PMF, post-PV MF, or post-ET MF with evidence of minimum burden of disease based on splenomegaly and previously treated with at least 1 JAK inhibitor for ≥ 12 weeks and resistant, refractory, intolerant to, or have lost response to JAK inhibitor treatment.
- PV: Confirmed diagnosis of PV and previously treated with at least 1 prior standard cytoreductive therapy and are resistant, refractory, intolerant to, or have lost response to treatment.
- ET: Confirmed diagnosis of high-risk ET as defined in the protocol and previously treated with at least 1 prior standard cytoreductive therapy and are resistant, refractory, intolerant to, or have lost response to treatment.
- Life expectancy > 6 months.
- Willingness to undergo a pretreatment and regular on-study bone marrow biopsies and aspirations (as appropriate to disease).
- Existing documentation of JAK2V617F mutation from a qualified local laboratory.
Exclusion Criteria:
- Presence of a hematological malignancy requiring treatment, other than PMF, post-PV MF, post-ET MF, PV, or ET.
- Prior history of major bleeding or thrombosis within the 3 months prior to study enrollment.
- Participants with abnormal hematologic, hepatic, or renal function based on laboratory evaluation.
- Has undergone prior allogenic or autologous stem-cell transplantation or allogenic stem-cell transplantation is planned
- Active invasive malignancy.
- Significant concurrent, uncontrolled medical condition.
- Acute or chronic HBV, active HCV or known HIV.
- Any prior MPN-directed therapy within 5 half-lives or 28 days (whichever is shorter) before the first dose of study treatment.
- Participants undergoing treatment with G-CSF or GM-CSF, romiplostim, or eltrombopag at any time within 4 weeks before the first dose of study treatment.
Other protocol-defined Inclusion/Exclusion Criteria may apply.