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A Study to Evaluate INCA033989 Administered as a Monotherapy or in Combination With Ruxolitinib in Participants With Myeloproliferative Neoplasms

A Phase 1, Open-Label, Multicenter Study of INCA033989 Administered as a Monotherapy or in Combination With Ruxolitinib in Participants With Myeloproliferative Neoplasms

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06034002
Enrollment
290
Registered
2023-09-13
Start date
2023-12-04
Completion date
2028-10-29
Last updated
2026-04-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Myeloproliferative Neoplasms

Keywords

Myeloproliferative Neoplasms, Myelofibrosis, Essential thrombocythemia, CALR mutation

Brief summary

This study is being conducted to evaluate the safety, tolerability, dose-limiting toxicity (DLT) and determine the maximum tolerated dose (MTD) and/or recommended dose(s) for expansion (RDE) of INCA033989 administered as a Monotherapy or in Combination With Ruxolitinib in participants with myeloproliferative neoplasms.

Interventions

INCA033989 will be administered at protocol defined dose.

DRUGRuxolitinib

Rux will be administered according to Prescribing Information/SmPC.

Sponsors

Incyte Corporation
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Life expectancy \> 6 months. * Willingness to undergo a pretreatment and regular on-study BM biopsies and aspirates (as appropriate to disease). * Existing documentation from a qualified local laboratory of CALR exon-9 mutation. * Participants with MF or ET as defined in the protocol.

Exclusion criteria

* Presence of any hematological malignancy other than ET, PMF, or post-ET MF. * Prior history of major bleeding, or thrombosis within the last 3 months prior to study enrollment. * Participants with laboratory values exceeding the protocol defined thresholds. * Has undergone any prior allogenic or autologous stem-cell transplantation or such transplantation is planned. * Active invasive malignancy over the previous 2 years. * History of clinically significant or uncontrolled cardiac disease. * Active or chronic HBV or active HCV or known history of HIV. * Any prior chemotherapy, immunomodulatory drug therapy, immunosuppressive therapy, biological therapy, endocrine therapy, targeted therapy, antibody, or hypomethylating agent used to treat the participant's disease, with the exception of ruxolitinib for TGBs only, within 5 half-lives or 28 days (whichever is shorter) before the first dose of study treatment. * Participants undergoing treatment with G-CSF, GM-CSF, or TPO-R agonists at any time within 4 weeks before the first dose of study treatment. Other protocol-defined Inclusion/

Design outcomes

Primary

MeasureTime frameDescription
Number of participants with Dose Limiting Toxicities (DLTs)Up to 28 daysDose-limiting toxicity will be defined as the occurrence of any of the toxicities as per protocol.
Number of participants with Treatment-emergent Adverse Events (TEAEs)Up to 3 years and 60 daysDefined as adverse events reported for the first time or worsening of a pre-existing event after first dose of study drug, including those leading to dose modification or discontinuation.

Secondary

MeasureTime frameDescription
Participants with MF: Response using the revised IWG-MRT and ELN response criteria for MFUp to 3 years and 60 daysDefined as the percentage of participants with Response using the revised IWG-MRT and ELN response criteria.
Participants With MF: Percentage of participants achieving spleen volume reduction as defined in the protocolUp to 24 weeksDefined as percentage of participants with a protocol defined Spleen Volume Reduction.
Participants with symptomatic anemia: Anemia Response as defined in the protocolUp to 24 weeksAnemia Response as defined by the protocol.
Participants with ET: Response using the revised IWG-MRT and ELN response criteria for ETUp to 3 years and 60 daysDefined as the percentage of participants with Response using the revised IWG-MRT and ELN response criteria.
Incidence of AEs, ECGs, vital signs, and clinical laboratory evaluationUp to 3 years and 60 daysTo evaluate the safety of INCA033989.
Percentage of participants achieving ≥ 50% reduction from baseline in total symptom score (TSS)Week 12 and Week 24Defined as the percentage of participants achieving ≥ 50% reduction from baseline in TSS.
Mean change from baseline in TSSWeek 12 and Week 24Mean change in TSS from baseline.
Mean change in disease-related allele burdenUp to 3 years and 60 daysMean change from baseline in disease-related variant allele frequency quantified by targeted NGS and evaluated with myeloid and lymphoid proportion in blood.
Pharmacokinetics Parameter: Cmax of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as maximum observed plasma concentration of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: Tmax of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the time to reach the maximum plasma concentration of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: Cmin of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the minimum observed plasma concentration of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: AUC(0-t) of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the area under the concentration-time curve up to the last measurable concentration of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: AUC 0-∞ of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the area under the concentration-time curve from 0 to infinity of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: CL/F of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the apparent oral dose clearance of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: Vz/F of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the apparent oral dose volume of distribution of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.
Pharmacokinetics Parameter: t1/2 of INCA033989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 daysDefined as the apparent terminal phase disposition half-life of INCA033989 alone or for the combination of INCA033989 with ruxolitinib.

Countries

United States

Contacts

CONTACTIncyte Corporation Call Center (US)
medinfo@incyte.com1.855.463.3463
CONTACTIncyte Corporation Call Center (ex-US)
eumedinfo@incyte.com+800 00027423
STUDY_DIRECTORIncyte Medical Monitor

Incyte Corporation

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 18, 2026