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A Study of Pevonedistat in Adult East Asian Participants

Registration Number
NCT02782468
Lead Sponsor
Millennium Pharmaceuticals, Inc.
Brief Summary

The purpose of this study is to evaluate the safety and tolerability of pevonedistat administered as a single agent and in combination with azacitidine in adult east Asian participants with acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS).

Detailed Description

The drug being tested in this study is called Pevonedistat. Pevonedistat is being tested to treat people with myelodysplastic syndromes MDS (including nonproliferative chronic myelomonocytic leukemia \[CMML\]) and AML (acute myeloid leukaemia) as a single-agent and in combination treatment with azacitidine. This study will look at the safety and tolerability, the recommended phase 2/phase 3 dose of pevonedistat administered in combination with azacitidine, pharmacokinetics and response to treatment in participants who take single agent pevonedistat compared to participants who take pevonedistat and azacitidine.

The study will enroll approximately 37 participants. Participants will be assigned into one of the four treatment groups which will remain disclosed to the patient and study doctor during the study. Participants will be first enrolled at single-agent low dose level (25 mg/m\^2). If this dose is tolerable, participants will be enrolled in parallel at single-agent higher dose level (44 mg/m\^2) and in combination treatment cohorts.

* Pevonedistat 25 mg/m\^2

* Pevonedistat 44 mg/m\^2

* Pevonedistat 10 mg/m\^2 and azacitidine 75 mg/m\^2 combination

* Pevonedistat 20 mg/m\^2 and azacitidine 75 mg/m\^2 combination Participants will receive pevonedistat infusion intravenously and azacitidine via intravenous or subcutaneous route.

This multi-center trial will be conducted in Japan, Korea and Taiwan. The overall time to participate in this study is approximately 24 months. Participants will attend the End of Study (EOS) visit for safety, 30 days after receiving their last dose of study drug or before the start of subsequent antineoplastic therapy (other than hydroxyurea).

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
23
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Arm 1, Cohort 1: Pevonedistat 25 mg/m^2Pevonedistat 25 mg/m^2Pevonedistat, 25 milligram per square meter (mg/m\^2), 60-minute infusion, intravenously, on Days 1, 3 and 5, followed by a rest period of 16 days, in 21-day treatment cycles.
Arm 1, Cohort 2: Pevonedistat 44 mg/m^2Pevonedistat 44 mg/m^2Pevonedistat, 44 mg/m\^2, 60-minute infusion, intravenously, on Days 1, 3, and 5, followed by a rest period of 16 days, in 21-day treatment cycles.
Arm 2, Cohort 1: Pevonedistat 10 mg/m^2+ Azacitidine 75 mg/m^2Pevonedistat 10 mg/m^2Pevonedistat 10 mg/m\^2, 60-minute infusion, intravenously, on Days 1, 3, and 5 and azacitidine 75 mg/m\^2, on Days 1 to 5, and Days 8 and 9, intravenously or subcutaneously, followed by a rest period of 19 days, in 28-day treatment cycles.
Arm 2, Cohort 1: Pevonedistat 10 mg/m^2+ Azacitidine 75 mg/m^2Azacitidine 75 mg/m^2Pevonedistat 10 mg/m\^2, 60-minute infusion, intravenously, on Days 1, 3, and 5 and azacitidine 75 mg/m\^2, on Days 1 to 5, and Days 8 and 9, intravenously or subcutaneously, followed by a rest period of 19 days, in 28-day treatment cycles.
Arm 2, Cohort 2: Pevonedistat 20 mg/m^2+ Azacitidine 75 mg/m^2Azacitidine 75 mg/m^2Pevonedistat 20 mg/m\^2, 60-minute infusion, intravenously, on Days 1, 3, and 5 and azacitidine 75 mg/m\^2, on Days 1 to 5, and Days 8 and 9, intravenously or subcutaneously, followed by a rest period of 19 days, in 28-day treatment cycles.
Arm 2, Cohort 2: Pevonedistat 20 mg/m^2+ Azacitidine 75 mg/m^2Pevonedistat 20 mg/m^2Pevonedistat 20 mg/m\^2, 60-minute infusion, intravenously, on Days 1, 3, and 5 and azacitidine 75 mg/m\^2, on Days 1 to 5, and Days 8 and 9, intravenously or subcutaneously, followed by a rest period of 19 days, in 28-day treatment cycles.
Primary Outcome Measures
NameTimeMethod
Number of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)From first dose through 30 days after the last dose of study drug: single agent arms (up to Cycle 19 [up to Day 429]) (Cycle=21 days); combination arms (up to Cycle 65 [up to Day 1850]) (Cycle=28 days)
Number of Participants With Dose Limiting Toxicities (DLTs) Based on National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) Version 4.03 During Cycle 1Cycle 1 (Cycle length = 21 days [single agent arms]; 28 days [combination arms])

DLT: Any of following events considered possibly related to study drug(s) by investigator: Grade (G) 3 or greater nausea and/or emesis despite use of optimal antiemetic prophylaxis; G3 diarrhea occurred despite maximal supportive therapy; G3 arthralgia/myalgia despite use of optimal analgesia; G3 nonhematologic toxicity with exceptions: 1) Brief fatigue, 2) hypophosphatemia; Persistent elevations of transaminases/bilirubin above G2 beyond 2 days between doses; Other study drug-related nonhematologic toxicities G2 or greater, required a dose reduction/discontinuation of pevonedistat. G3 or greater hematologic toxicities, including G3 or 4 febrile neutropenia, considered DLTs if: A delay in initiation of Cycle 2 due to lack of adequate recovery from treatment-related toxicity: 1) Of more than (\>) 4 weeks due to hematologic toxicity believed not related to leukemic infiltration. Bone marrow (BM) evaluation may have been required. 2) Of \>2 weeks due to nonhematologic toxicities.

Number of Participants With Clinically Significant Abnormal Laboratory ValuesBaseline up to Cycle 19 (up to Day 399) in single agent arms (Cycle=21days) and Cycle 65 (up to Day 1820) in combination arms (Cycle=28 days)
Cmax: Maximum Observed Plasma Concentration for Pevonedistat When Administered Alone and in Combination With Azacitidine on Cycle 1 Day 1Cycle 1 Day 1: pre-infusion and at multiple time points (up to 48 hours) post-infusion (Cycle length = 21 days [single agent arms]; 28 days [combination arms])
Cmax: Maximum Observed Plasma Concentration for Pevonedistat When Administered Alone and in Combination With Azacitidine on Cycle 1 Day 5Cycle 1 Day 5: pre-infusion and at multiple time points (up to 48 hours) post-infusion (Cycle length = 21 days [single agent arms]; 28 days [combination arms])
AUC(0-tau): Area Under the Plasma Concentration-time Curve From Time 0 to Time Tau Over the Dosing Interval for Pevonedistat When Administered Alone and in Combination With Azacitidine on Cycle 1 Day 5Cycle 1 Day 5: pre-infusion and at multiple time points (up to 48 hours) post-infusion (Cycle length = 21 days [single agent arms]; 28 days [combination arms])
CL: Total Clearance for Pevonedistat When Administered Alone and in Combination With Azacitidine on Cycle 1 Day 1Cycle 1 Day 1: pre-infusion and at multiple time points (up to 48 hours) post-infusion (Cycle length = 21 days [single agent arms]; 28 days [combination arms])
CL: Total Clearance for Pevonedistat When Administered Alone and in Combination With Azacitidine on Cycle 1 Day 5Cycle 1 Day 5: pre-infusion and at multiple time points (up to 48 hours) post-infusion (Cycle length = 21 days [single agent arms]; 28 days [combination arms])
Secondary Outcome Measures
NameTimeMethod
Overall Response Rate (ORR) for Participants With AMLFrom first dose up to 30 days after last dose of study drug or before start of subsequent antineoplastic therapy, whichever comes earlier up to Cycle 19 (up to Day 429, single agent)(Cycle=21 days) and Cycle 65 (up to Day 1850, combination)(Cycle=28 days)

ORR for AML was defined as the percentage of participants with a complete remission (CR), CR with incomplete blood count recovery (CRi), or partial remission (PR) based on Modified International Working Group (IWG) Response Criteria for AML. CR was defined as participant achieved the morphologic leukemia-free state and had an absolute neutrophil count (ANC) of more than 1,000 per microliter (/mcL) and platelets of greater than or equal to (\>=) 100,000/mcL. A morphologic leukemia-free state requires less than (\<) 5 percent (%) blasts in an aspirate sample with marrow spicules and with a count of at least 200 nucleated cells. CRi was, after chemotherapy, some participants who fulfilled all of the criteria for CR except for residual neutropenia (\<1,000/mcL) or thrombocytopenia (\<100,000/mcL). PR designation required all the hematologic values for a CR but with a decrease of at least 50% in the percentage of blasts to between 5% and 25% in the bone marrow aspirate.

ORR for Participants With MDSFrom first dose up to 30 days after last dose of study drug or before start of subsequent antineoplastic therapy, whichever comes earlier up to Cycle 19 (up to Day 429, single agent)(Cycle=21 days) and Cycle 65 (up to Day 1850, combination)(Cycle=28 days)

ORR for MDS: Percentage of participants with CR,PR or hematologic improvement(HI) based on IWG Response Criteria. CR: BM:\<=5% myeloblasts with normal maturation of all cell lines; persistent dysplasia noted peripheral blood: hemoglobin (Hgb)\>=11 gram per deciliter (g/dL),platelets\>=100\*10\^9/L,neutrophils \>=1.0\*10\^9/L, blasts 0%. PR:CR criteria if abnormal before treatment except: BM blasts decreased by \>=50% from pretreatment but still\>5%; cellularity, morphology not relevant. HI criteria: Erythroid response:Hgb up by \>=1.5 g/dL; transfused RBC reduced by at least 4 red blood cell (RBC) transfusions/8 weeks comparatively last 8 weeks; Platelet response: Increase of \>=30\*10\^9/L for participants starting with \>20\*10\^9/L platelets; increase from \<20\*10\^9/L to \>20\*10\^9/L and by 100%; Neutrophil response: At least 100% and absolute increase \>0.5\*10\^9/L; Progression/relapse after HI: Granulocytes/platelets decreased by 50% from maximum; Hgb reduced by \>=1.5 g/dL; transfusion dependence.

Percentage of Participants With CR for Participants With AMLFrom first dose up to 30 days after last dose of study drug or before start of subsequent antineoplastic therapy, whichever comes earlier up to Cycle 19 (up to Day 429, single agent)(Cycle=21 days) and Cycle 65 (up to Day 1850, combination)(Cycle=28 days)

CR was defined as participant achieved the morphologic leukemia-free state and had an ANC of more than 1,000/mcL and platelets of \>=100,000/mcL. A morphologic leukemia-free state requires \<5% blasts in an aspirate sample with marrow spicules and with a count of at least 200 nucleated cells. CR assessment was based on IWG Response Criteria.

Percentage of Participants With CR for Participants With MDSFrom first dose up to 30 days after last dose of study drug or before start of subsequent antineoplastic therapy, whichever comes earlier up to Cycle 19 (up to Day 429, single agent)(Cycle=21 days) and Cycle 65 (up to Day 1850, combination)(Cycle=28 days)

CR was defined as participant with bone marrow: less than or equal to (\<=) 5% myeloblasts with normal maturation of all cell lines; persistent dysplasia was noted peripheral blood: Hgb \>=11 g/dL, platelets \>=100\*10\^9/L, neutrophils \>=1.0\*10\^9 per liter (/L), blasts 0%. CR assessment was based on IWG Response Criteria.

Trial Locations

Locations (5)

The Catholic University of Korea, Seoul St. Mary's Hospital

🇰🇷

Seoul, Korea, Republic of

Chonnam National University Hwasun Hospital

🇰🇷

Jeonnam, Korea, Republic of

Severance Hospital Yonsei University Health System - PPDS

🇰🇷

Seoul, Korea, Republic of

National Taiwan University Hospital

🇨🇳

Taipei, Taiwan

Taipei Veterans General Hospital

🇨🇳

Taipei, Taiwan

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