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

Phase 1
Recruiting
Conditions
Myeloproliferative Neoplasms
Interventions
Registration Number
NCT06034002
Lead Sponsor
Incyte Corporation
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.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
230
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 HBV/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/Exclusion Criteria may apply.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
Part 1a Dose Escalation Cohort Disease Group A - with MFINCA033989INCA033989 will be administered at a protocol defined starting regimen in 28-day cycles to identify the maximum tolerated dose (MTD) and/or recommended dose for expansion (RDE\[s\]). Participants with myelofibrosis (MF) will enroll in this group.
Part 1a Dose Escalation Cohort Disease Group A - with ETINCA033989INCA033989 will be administered at a protocol defined starting regimen in 28-day cycles to identify the maximum tolerated dose (MTD) and/or recommended dose for expansion (RDE\[s\]). Participants with essential thrombocythemia (ET) will enroll in this group.
Part 1a: Dose Escalation Cohort Disease Group B - with TGB-MF SubOpt RINCA033989INCA033989 will be administered at a protocol defined starting regimen in 28- day cycles and will allow for the evaluation of INCA033989 in combination with ruxolitinib to identify the maximum tolerated dose (MTD) and/or recommended dose for expansion (RDE\[s\]). Participants with myelofibrosis (MF) exhibiting suboptimal response (SubOpt R) will enroll in this group.
Part 1a: Dose Escalation Cohort Disease Group B - with TGB-MF SubOpt RRuxolitinibINCA033989 will be administered at a protocol defined starting regimen in 28- day cycles and will allow for the evaluation of INCA033989 in combination with ruxolitinib to identify the maximum tolerated dose (MTD) and/or recommended dose for expansion (RDE\[s\]). Participants with myelofibrosis (MF) exhibiting suboptimal response (SubOpt R) will enroll in this group.
Part 1b: Dose Expansion - with MFINCA033989INCA033989 will be administered as monotherapy at the RDE(s) identified during Part 1a. Participants with treatment group A (TGA) myelofibrosis MF will enroll in this group.
Part 1b: Dose Expansion - with TGB-MF SubOpt RINCA033989INCA033989 will be administered as an add-on therapy in combination with ruxolitinibat at the RDE(s) identified during Part 1a. Participants with treatment Group B (TGB) MF SubOpt R will enroll in this group.
Part 1b: Dose Expansion - with TGB-MF SubOpt RRuxolitinibINCA033989 will be administered as an add-on therapy in combination with ruxolitinibat at the RDE(s) identified during Part 1a. Participants with treatment Group B (TGB) MF SubOpt R will enroll in this group.
Part 1b: Dose Expansion - with ETINCA033989INCA033989 will be administered as monotherapy at the RDE(s) identified during Part 1a. Participants with treatment group A (TGA) essential thrombocythemia (ET) will enroll in this group.
Part 1c: Dose ExpansionINCA033989INCA033989 will be administered at the dose level found to exhibit an overall positive benefit/risk as monotherapy or as combination therapy with Ruxolitinib. Participants with myelofibrosis (MF) will enroll in this group. The participants enrolled in the monotherapy arm will be offered the option to crossover to combination therapy with ruxolitinib if a suboptimal response to monotherapy is observed after 12 weeks.
Part 1c: Dose ExpansionRuxolitinibINCA033989 will be administered at the dose level found to exhibit an overall positive benefit/risk as monotherapy or as combination therapy with Ruxolitinib. Participants with myelofibrosis (MF) will enroll in this group. The participants enrolled in the monotherapy arm will be offered the option to crossover to combination therapy with ruxolitinib if a suboptimal response to monotherapy is observed after 12 weeks.
Primary Outcome Measures
NameTimeMethod
Number of participants with Treatment-emergent Adverse Events (TEAEs)Up to 3 years and 60 days

Defined 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.

Number of participants with Dose Limiting Toxicities (DLTs)Up to 28 days

Dose-limiting toxicity will be defined as the occurrence of any of the toxicities as per protocol.

Secondary Outcome Measures
NameTimeMethod
Participants with MF: Response using the revised IWG-MRT and ELN response criteria for MFUp to 3 years and 60 days

Defined 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 weeks

Defined as percentage of participants with a protocol defined Spleen Volume Reduction.

Participants with symptomatic anemia: Anemia Response as defined in the protocolUp to 24 weeks

Anemia Response as defined by the protocol.

Pharmacokinetics Parameter: AUC(0-t) of INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as the area under the concentration-time curve up to the last measurable concentration of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Pharmacokinetics Parameter: AUC 0-∞ of INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as the area under the concentration-time curve from 0 to infinity of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Pharmacokinetics Parameter: CL/F of INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as the apparent oral dose clearance of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Pharmacokinetics Parameter: Vz/F of INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as the apparent oral dose volume of distribution of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Pharmacokinetics Parameter: t1/2 of INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as the apparent terminal phase disposition half-life of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Participants with ET: Response using the revised IWG-MRT and ELN response criteria for ETUp to 3 years and 60 days

Defined 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 days

To evaluate the safety of INCA033989.

Percentage of participants achieving ≥ 50% reduction from baseline in total symptom score (TSS)Week 12 and Week 24

Defined as the percentage of participants achieving ≥ 50% reduction from baseline in TSS.

Mean change from baseline in TSSWeek 12 and Week 24

Mean change in TSS from baseline.

Mean change in disease-related allele burdenUp to 3 years and 60 days

Mean 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 INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as maximum observed plasma concentration of INCA33989 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 days

Defined as the time to reach the maximum plasma concentration of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Pharmacokinetics Parameter: Cmin of INCA33989 alone or for the combination of INCA033989 with ruxolitinibUp to 3 years and 60 days

Defined as the minimum observed plasma concentration of INCA33989 alone or for the combination of INCA033989 with ruxolitinib.

Trial Locations

Locations (13)

City of Hope Medical Center

🇺🇸

Duarte, California, United States

Stanford Cancer Institute

🇺🇸

Palo Alto, California, United States

University of Miami Health System

🇺🇸

Miami, Florida, United States

The University of Kansas Cancer Center

🇺🇸

Westwood, Kansas, United States

Johns Hopkins Hospital

🇺🇸

Baltimore, Maryland, United States

Dana Farber Cancer Institute

🇺🇸

Boston, Massachusetts, United States

Washington University School of Medicine

🇺🇸

Saint Louis, Missouri, United States

Icahn School of Medicine At Mount Sinai

🇺🇸

New York, New York, United States

Memorial Sloan Kettering Cancer Center

🇺🇸

New York, New York, United States

Wake Forest Baptist Medical Center

🇺🇸

Winston-Salem, North Carolina, United States

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City of Hope Medical Center
🇺🇸Duarte, California, United States

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