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A Study of Itacitinib (INCB039110) in Combination With Ibrutinib in Subjects With Relapsed or Refractory Diffuse Large B-Cell Lymphoma

An Open-Label Phase 1/2 Study of Itacitinib (INCB039110) in Combination With Ibrutinib in Subjects With Relapsed or Refractory Diffuse Large B-Cell Lymphoma

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02760485
Enrollment
33
Registered
2016-05-03
Start date
2016-12-29
Completion date
2022-06-06
Last updated
2023-06-15

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

Conditions

Lymphoma

Keywords

Diffuse large B-cell lymphoma, Relapsed Diffuse large B-cell lymphoma, Refractory Diffuse large B-cell lymphoma, activated B cell, germinal center B-cell, non-Hodgkin lymphoma, JAK1 inhibitor, Bruton's tyrosine kinase (BTK) inhibitor

Brief summary

The purpose of this study is to evaluate the safety/tolerability and efficacy of itacitinib in combination with ibrutinib in subjects with relapsed or refractory diffuse large B-cell lymphoma (DLBCL)

Interventions

DRUGitacitinib

Phase 1 will evaluate itacitinib at the protocol-specified starting dose, with a possible increase or decrease depending on tolerability. Phase 2 will evaluate the recommended dose determined in Phase 1.

DRUGibrutinib

Sponsors

Incyte Corporation
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* Histologically documented diagnosis of DLBCL. * Phase 1: any DLBCL subtype. * Phase 2: activated B-cell or unclassifiable subtypes confirmed by immunohistochemistry using the Hans algorithm * Relapsed or refractory DLBCL, defined as having received at least 1 but no more than 3 prior treatment regimens and ineligible for high-dose chemotherapy/autologous stem cell transplant. * Fluorodeoxyglucose-avid disease (based on local evaluation) per the Lugano Classification. Fluorodeoxyglucose-avid disease is defined as disease with a 5-point scale score of 4 or 5. * Archived tumor tissue (block or 15-20 unstained slides) available, or be willing to undergo an incisional or excisional lymph node biopsy of accessible adenopathy (or, in less accessible lymph nodes, 4 to 8 core biopsies). * At least 1 measurable (≥ 2 cm in longest dimension) lesion on CT scan or magnetic resonance imaging (MRI). * Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2.

Exclusion criteria

* Transformed DLBCL or DLBCL with coexistent histologies (eg, follicular or mucosa-associated lymphoid tissue lymphoma). * Primary mediastinal (thymic) large B-cell lymphoma. * Known central nervous system lymphoma (either primary or metastatic). * Allogeneic stem cell transplant within the previous 6 months, or active graft versus host disease following allogeneic transplant. * Use of immunosuppressive therapy within 28 days of starting study treatment. Immunosuppressive therapy includes but is not limited to cyclosporine A, tacrolimus, or high-dose corticosteroids. Subjects receiving corticosteroids must be at a dose level ≤ 10 mg/day within 7 days of initiating study treatment. * Prior or concurrent therapy with a Janus kinase inhibitor or Bruton's tyrosine kinase inhibitor

Design outcomes

Primary

MeasureTime frameDescription
Phase 1: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)up to 285 daysAn adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug.
Phase 1: Number of Participants With Any Grade 3 or Higher TEAEup to 285 daysAn adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug. Grade 3: severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activities of daily living. Grade 4: life-threatening consequences; urgent intervention indicated.
Phase 1: Number of Participants With Any Dose-limiting Toxicity (DLT)up to Day 28A DLT was defined as the occurrence of any protocol-defined toxicities occurring up to and including Study Day 28, except those with a clear alternative explanation (e.g., disease progression) or transient (≤72 hours) abnormal laboratory values without associated clinically significant signs or symptoms based on investigator determination. All DLTs were assessed by the investigator using Common Terminology Criteria for Adverse Events (CTCAE) v4.03 criteria. In order to be included in the tolerability review, subjects must have received the cohort-specific dose of INCB039110 and ibrutinib for at least 75% of the days during the 28-day surveillance period or have experienced a DLT.
Phase 2: Objective Response Rate (ORR), Defined as the Percentage of Participants Achieving Either a Complete Response (CR) or a Partial Response (PR), Per the Modified Lugano Classification for Diffuse Large B-cell Lymphoma (DLBCL)up to 1538 daysCR: (1) target nodes/nodal masses of lymph nodes/extralymphatic sites regressed to ≤1.5 centimeters (cm) in the longest dimension transverse diameter of lesion (LDi); (2) absence of non-measured lesions; (3) organ enlargement regressed to normal; (4) no new lesions; (5) normal bone marrow morphology; if indeterminate, immunohistochemistry negative. PR: (1) lymph nodes/extralymphatic sites: ≥50% decrease in the sum of the product of perpendicular diameters for multiple lesions of up to 6 target measurable nodes/extranodal sites; if lesion is too small to measure on computed tomography, assign 5 millimeters (mm) × 5 mm as default; if no longer visible, 0 mm × 0 mm. For node \>5 mm × 5 mm but smaller than normal, use actual measurement; (2) absent/regressed non-measured lesions, no increase; (3) organ enlargement; spleen regressed by \>50% in length beyond normal; (4) no new lesions.

Secondary

MeasureTime frameDescription
Phase 2: Number of Participants With Any TEAEup to 1573 daysAn AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug.
Phase 1: ORR, Defined as the Percentage of Participants Achieving Either a CR or a PR, Per the Modified Lugano Classification for DLBCLup to 250 daysCR: (1) target nodes/nodal masses of lymph nodes/extralymphatic sites regressed to ≤1.5 cm in the LDi; (2) absence of non-measured lesions; (3) organ enlargement regressed to normal; (4) no new lesions; (5) normal bone marrow morphology; if indeterminate, immunohistochemistry negative. PR: (1) lymph nodes/extralymphatic sites: ≥50% decrease in the sum of the product of perpendicular diameters for multiple lesions of up to 6 target measurable nodes/extranodal sites; if lesion is too small to measure on computed tomography, assign 5 mm × 5 mm as default; if no longer visible, 0 mm × 0 mm. For node \>5 mm × 5 mm but smaller than normal, use actual measurement; (2) absent/regressed non-measured lesions, no increase; (3) organ enlargement; spleen regressed by \>50% in length beyond normal; (4) no new lesions.
Phase 2: Number of Participants With Any Grade 3 or Higher TEAEup to 1573 daysAn AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug. Grade 3: severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activities of daily living. Grade 4: life-threatening consequences; urgent intervention indicated.
Phase 2: Duration of Response (DOR): Time From the First Overall Response Contributing to an Objective Response (CR or PR) to the Earlier of the Participant's Death and the First Overall Response of Progressive Disease, Per the Lugano Classificationup to 947 daysDisease progression requires ≥1 of the following: (1) an abnormal individual node/lesion with all of the following: (a) LDi \> 1.5 cm; (b) increase by ≥50% from cross product of the LDi and the perpendicular diameter (PPD) nadir; (c) increase in LDi or the shortest axis perpendicular to the LDi (SDi) from nadir: (i) 0.5 cm for lesions ≤2 cm; (ii) 1.0 cm for lesions \> 2 cm. (2) For splenomegaly, the splenic length must increased by 50% of the extent of its prior increase beyond baseline. If no prior splenomegaly, must increase by at least 2 cm from baseline. (3) New/recurrent splenomegaly. (4) New/clear progression of preexisting nonmeasured lesions. (5) Regrowth of previously resolved lesions. (6) A new node \> 1.5 cm in any axis. (7) A new extranodal site \> 1.0 cm in any axis; if \< 1.0 cm in any axis, its presence must be unequivocal/attributable to lymphoma. (8) Assessable disease of any size unequivocally attributable to lymphoma. (9) New or recurrent involvement of the bone marrow.
Phase 2: Durable Response Rate (DRR)up to 1538 daysDRR=percentage of participants with a CR or PR, per Lugano Classification, for ≥16 weeks since the time from the first overall response contributing to an objective response (CR or PR). CR: (1) target nodes/nodal masses of lymph nodes/extralymphatic sites regressed to ≤1.5 cm in the LDi; (2) absence of non-measured lesions; (3) organ enlargement regressed to normal; (4) no new lesions; (5) normal bone marrow morphology; if indeterminate, immunohistochemistry negative. PR: (1) lymph nodes/extralymphatic sites: ≥50% decrease in the sum of the product of perpendicular diameters for multiple lesions of up to 6 target measurable nodes/extranodal sites; if lesion is too small to measure on computed tomography, assign 5 mm × 5 mm as default; if no longer visible, 0 mm × 0 mm. For node \>5 mm × 5 mm but smaller than normal, use actual measurement; (2) absent/regressed non-measured lesions, no increase; (3) organ enlargement; spleen regressed by \>50% in length beyond normal; (4) no new lesions.
Phase 2: Progression-free Survival (PFS), Defined as the Time From the First Dose to the Earlier Date of Death Due to Any Cause or Disease Progression Determined by Objective Radiographic Disease Assessmentsup to 1538 daysDisease progression requires ≥1 of the following: (1) an abnormal individual node/lesion with all of the following: (a) LDi \> 1.5 cm; (b) increase by ≥50% from cross product of the LDi and the perpendicular diameter (PPD) nadir; (c) increase in LDi or the shortest axis perpendicular to the LDi (SDi) from nadir: (i) 0.5 cm for lesions ≤2 cm; (ii) 1.0 cm for lesions \> 2 cm. (2) For splenomegaly, the splenic length must increased by 50% of the extent of its prior increase beyond baseline. If no prior splenomegaly, must increase by at least 2 cm from baseline. (3) New/recurrent splenomegaly. (4) New/clear progression of preexisting nonmeasured lesions. (5) Regrowth of previously resolved lesions. (6) A new node \> 1.5 cm in any axis. (7) A new extranodal site \> 1.0 cm in any axis; if \< 1.0 cm in any axis, its presence must be unequivocal/attributable to lymphoma. (8) Assessable disease of any size unequivocally attributable to lymphoma. (9) New or recurrent involvement of the bone marrow.

Countries

United States

Participant flow

Pre-assignment details

This study was conducted at 12 study centers in the United States.

Participants by arm

ArmCount
Phase 1; Cohort 1: Itacitinib 300 mg QD + Ibrutinib 560 mg QD
Participants received oral itacitinib 300 milligrams (mg) once daily (QD) plus oral ibrutinib 560 mg QD until treatment discontinuation criteria were met.
6
Phase 1; Cohort 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QD
Participants received oral itacitinib 400 mg QD plus oral ibrutinib 560 mg QD until treatment discontinuation criteria were met.
7
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QD
Participants received oral itacitinib 400 mg QD plus oral ibrutinib 560 mg QD until treatment discontinuation criteria were met.
19
Total32

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Phase 1Amendment Removed Survival Follow-up010
Phase 1Death360
Phase 1Progressive Disease100
Phase 1Unknown; Did Not Complete End-of-Study Visit100
Phase 1Withdrawal by Subject200
Phase 2Death0012
Phase 2Progressive Disease001
Phase 2Unknown; Did Not Complete End-of-Study Visit003
Phase 2Withdrawal by Subject003

Baseline characteristics

CharacteristicPhase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 1; Cohort 1: Itacitinib 300 mg QD + Ibrutinib 560 mg QDTotalPhase 1; Cohort 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QD
Age, Continuous72.1 years
STANDARD_DEVIATION 14.25
70.3 years
STANDARD_DEVIATION 10.42
70.6 years
STANDARD_DEVIATION 13.2
67.0 years
STANDARD_DEVIATION 13.39
Race/Ethnicity, Customized
Asian
1 Participants0 Participants2 Participants1 Participants
Race/Ethnicity, Customized
Black/African-American
1 Participants0 Participants1 Participants0 Participants
Race/Ethnicity, Customized
Captured as Other
3 Participants0 Participants4 Participants1 Participants
Race/Ethnicity, Customized
Hispanic or Latino
2 Participants1 Participants3 Participants0 Participants
Race/Ethnicity, Customized
Missing
1 Participants0 Participants2 Participants1 Participants
Race/Ethnicity, Customized
Not Hispanic or Latino
13 Participants4 Participants20 Participants3 Participants
Race/Ethnicity, Customized
Not Reported
3 Participants1 Participants4 Participants0 Participants
Race/Ethnicity, Customized
Unknown
1 Participants0 Participants5 Participants4 Participants
Race/Ethnicity, Customized
White/Caucasian
13 Participants6 Participants23 Participants4 Participants
Sex: Female, Male
Female
6 Participants2 Participants13 Participants5 Participants
Sex: Female, Male
Male
13 Participants4 Participants19 Participants2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
2 / 619 / 2621 / 32
other
Total, other adverse events
6 / 626 / 2632 / 32
serious
Total, serious adverse events
4 / 618 / 2622 / 32

Outcome results

Primary

Phase 1: Number of Participants With Any Dose-limiting Toxicity (DLT)

A DLT was defined as the occurrence of any protocol-defined toxicities occurring up to and including Study Day 28, except those with a clear alternative explanation (e.g., disease progression) or transient (≤72 hours) abnormal laboratory values without associated clinically significant signs or symptoms based on investigator determination. All DLTs were assessed by the investigator using Common Terminology Criteria for Adverse Events (CTCAE) v4.03 criteria. In order to be included in the tolerability review, subjects must have received the cohort-specific dose of INCB039110 and ibrutinib for at least 75% of the days during the 28-day surveillance period or have experienced a DLT.

Time frame: up to Day 28

Population: Safety Run-In Population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase 1; Cohort 1: Itacitinib 300 mg QD + Ibrutinib 560 mg QDPhase 1: Number of Participants With Any Dose-limiting Toxicity (DLT)0 Participants
Phase 1; Cohort 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 1: Number of Participants With Any Dose-limiting Toxicity (DLT)1 Participants
Primary

Phase 1: Number of Participants With Any Grade 3 or Higher TEAE

An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug. Grade 3: severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activities of daily living. Grade 4: life-threatening consequences; urgent intervention indicated.

Time frame: up to 285 days

Population: Safety Run-In Population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase 1; Cohort 1: Itacitinib 300 mg QD + Ibrutinib 560 mg QDPhase 1: Number of Participants With Any Grade 3 or Higher TEAE5 Participants
Phase 1; Cohort 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 1: Number of Participants With Any Grade 3 or Higher TEAE5 Participants
Primary

Phase 1: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)

An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug.

Time frame: up to 285 days

Population: Safety Run-In Population: all participants enrolled in the Phase 1 portion of the study who received at least 1 dose of study drug

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase 1; Cohort 1: Itacitinib 300 mg QD + Ibrutinib 560 mg QDPhase 1: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)6 Participants
Phase 1; Cohort 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 1: Number of Participants With Any Treatment-emergent Adverse Event (TEAE)7 Participants
Primary

Phase 2: Objective Response Rate (ORR), Defined as the Percentage of Participants Achieving Either a Complete Response (CR) or a Partial Response (PR), Per the Modified Lugano Classification for Diffuse Large B-cell Lymphoma (DLBCL)

CR: (1) target nodes/nodal masses of lymph nodes/extralymphatic sites regressed to ≤1.5 centimeters (cm) in the longest dimension transverse diameter of lesion (LDi); (2) absence of non-measured lesions; (3) organ enlargement regressed to normal; (4) no new lesions; (5) normal bone marrow morphology; if indeterminate, immunohistochemistry negative. PR: (1) lymph nodes/extralymphatic sites: ≥50% decrease in the sum of the product of perpendicular diameters for multiple lesions of up to 6 target measurable nodes/extranodal sites; if lesion is too small to measure on computed tomography, assign 5 millimeters (mm) × 5 mm as default; if no longer visible, 0 mm × 0 mm. For node \>5 mm × 5 mm but smaller than normal, use actual measurement; (2) absent/regressed non-measured lesions, no increase; (3) organ enlargement; spleen regressed by \>50% in length beyond normal; (4) no new lesions.

Time frame: up to 1538 days

Population: Intent-to-Treat (ITT) Population: all participants enrolled in the Phase 2 portion of the study. The confidence interval was calculated based on the exact method for binomial distribution.

ArmMeasureValue (NUMBER)
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 2: Objective Response Rate (ORR), Defined as the Percentage of Participants Achieving Either a Complete Response (CR) or a Partial Response (PR), Per the Modified Lugano Classification for Diffuse Large B-cell Lymphoma (DLBCL)26.3 percentage of participants
Secondary

Phase 1: ORR, Defined as the Percentage of Participants Achieving Either a CR or a PR, Per the Modified Lugano Classification for DLBCL

CR: (1) target nodes/nodal masses of lymph nodes/extralymphatic sites regressed to ≤1.5 cm in the LDi; (2) absence of non-measured lesions; (3) organ enlargement regressed to normal; (4) no new lesions; (5) normal bone marrow morphology; if indeterminate, immunohistochemistry negative. PR: (1) lymph nodes/extralymphatic sites: ≥50% decrease in the sum of the product of perpendicular diameters for multiple lesions of up to 6 target measurable nodes/extranodal sites; if lesion is too small to measure on computed tomography, assign 5 mm × 5 mm as default; if no longer visible, 0 mm × 0 mm. For node \>5 mm × 5 mm but smaller than normal, use actual measurement; (2) absent/regressed non-measured lesions, no increase; (3) organ enlargement; spleen regressed by \>50% in length beyond normal; (4) no new lesions.

Time frame: up to 250 days

Population: Safety Run-in Population. The confidence interval was calculated based on the exact method for binomial distribution.

ArmMeasureValue (NUMBER)
Phase 1; Cohort 1: Itacitinib 300 mg QD + Ibrutinib 560 mg QDPhase 1: ORR, Defined as the Percentage of Participants Achieving Either a CR or a PR, Per the Modified Lugano Classification for DLBCL33.3 percentage of participants
Phase 1; Cohort 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 1: ORR, Defined as the Percentage of Participants Achieving Either a CR or a PR, Per the Modified Lugano Classification for DLBCL57.1 percentage of participants
Secondary

Phase 2: Durable Response Rate (DRR)

DRR=percentage of participants with a CR or PR, per Lugano Classification, for ≥16 weeks since the time from the first overall response contributing to an objective response (CR or PR). CR: (1) target nodes/nodal masses of lymph nodes/extralymphatic sites regressed to ≤1.5 cm in the LDi; (2) absence of non-measured lesions; (3) organ enlargement regressed to normal; (4) no new lesions; (5) normal bone marrow morphology; if indeterminate, immunohistochemistry negative. PR: (1) lymph nodes/extralymphatic sites: ≥50% decrease in the sum of the product of perpendicular diameters for multiple lesions of up to 6 target measurable nodes/extranodal sites; if lesion is too small to measure on computed tomography, assign 5 mm × 5 mm as default; if no longer visible, 0 mm × 0 mm. For node \>5 mm × 5 mm but smaller than normal, use actual measurement; (2) absent/regressed non-measured lesions, no increase; (3) organ enlargement; spleen regressed by \>50% in length beyond normal; (4) no new lesions.

Time frame: up to 1538 days

Population: ITT Population. Participants who achieved a CR or a PR per Lugano Classification were analyzed. The confidence interval was calculated based on the exact method for binomial distribution.

ArmMeasureValue (NUMBER)
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 2: Durable Response Rate (DRR)60.0 percentage of participants
Secondary

Phase 2: Duration of Response (DOR): Time From the First Overall Response Contributing to an Objective Response (CR or PR) to the Earlier of the Participant's Death and the First Overall Response of Progressive Disease, Per the Lugano Classification

Disease progression requires ≥1 of the following: (1) an abnormal individual node/lesion with all of the following: (a) LDi \> 1.5 cm; (b) increase by ≥50% from cross product of the LDi and the perpendicular diameter (PPD) nadir; (c) increase in LDi or the shortest axis perpendicular to the LDi (SDi) from nadir: (i) 0.5 cm for lesions ≤2 cm; (ii) 1.0 cm for lesions \> 2 cm. (2) For splenomegaly, the splenic length must increased by 50% of the extent of its prior increase beyond baseline. If no prior splenomegaly, must increase by at least 2 cm from baseline. (3) New/recurrent splenomegaly. (4) New/clear progression of preexisting nonmeasured lesions. (5) Regrowth of previously resolved lesions. (6) A new node \> 1.5 cm in any axis. (7) A new extranodal site \> 1.0 cm in any axis; if \< 1.0 cm in any axis, its presence must be unequivocal/attributable to lymphoma. (8) Assessable disease of any size unequivocally attributable to lymphoma. (9) New or recurrent involvement of the bone marrow.

Time frame: up to 947 days

Population: ITT Population. Participants who achieved a CR or a PR per Lugano Classification for DLBCL were analyzed. The 90% confidence interval was calculated using the Brookmeyer and Crowley's method.

ArmMeasureValue (MEDIAN)
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 2: Duration of Response (DOR): Time From the First Overall Response Contributing to an Objective Response (CR or PR) to the Earlier of the Participant's Death and the First Overall Response of Progressive Disease, Per the Lugano Classification8.80 months
Secondary

Phase 2: Number of Participants With Any Grade 3 or Higher TEAE

An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug. Grade 3: severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care activities of daily living. Grade 4: life-threatening consequences; urgent intervention indicated.

Time frame: up to 1573 days

Population: Safety Evaluable Population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 2: Number of Participants With Any Grade 3 or Higher TEAE16 Participants
Secondary

Phase 2: Number of Participants With Any TEAE

An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurred after a participant provided informed consent. Abnormal laboratory values or test results occurring after informed consent constituted AEs only if they induced clinical signs or symptoms, were considered clinically meaningful, required therapy (e.g., hematologic abnormality that required transfusion), or required changes in the study drug(s). A TEAE was defined as any AE either reported for the first time or the worsening of a pre-existing event after the first dose of study drug and until 30 days after the last dose of study drug.

Time frame: up to 1573 days

Population: Safety Evaluable Population: all participants enrolled in the Phase 2 portion of the study who received at least 1 dose of study drug

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 2: Number of Participants With Any TEAE19 Participants
Secondary

Phase 2: Progression-free Survival (PFS), Defined as the Time From the First Dose to the Earlier Date of Death Due to Any Cause or Disease Progression Determined by Objective Radiographic Disease Assessments

Disease progression requires ≥1 of the following: (1) an abnormal individual node/lesion with all of the following: (a) LDi \> 1.5 cm; (b) increase by ≥50% from cross product of the LDi and the perpendicular diameter (PPD) nadir; (c) increase in LDi or the shortest axis perpendicular to the LDi (SDi) from nadir: (i) 0.5 cm for lesions ≤2 cm; (ii) 1.0 cm for lesions \> 2 cm. (2) For splenomegaly, the splenic length must increased by 50% of the extent of its prior increase beyond baseline. If no prior splenomegaly, must increase by at least 2 cm from baseline. (3) New/recurrent splenomegaly. (4) New/clear progression of preexisting nonmeasured lesions. (5) Regrowth of previously resolved lesions. (6) A new node \> 1.5 cm in any axis. (7) A new extranodal site \> 1.0 cm in any axis; if \< 1.0 cm in any axis, its presence must be unequivocal/attributable to lymphoma. (8) Assessable disease of any size unequivocally attributable to lymphoma. (9) New or recurrent involvement of the bone marrow.

Time frame: up to 1538 days

Population: ITT Population. The 90% confidence interval was calculated using the Brookmeyer and Crowley's method.

ArmMeasureValue (MEDIAN)
Phase 2: Itacitinib 400 mg QD + Ibrutinib 560 mg QDPhase 2: Progression-free Survival (PFS), Defined as the Time From the First Dose to the Earlier Date of Death Due to Any Cause or Disease Progression Determined by Objective Radiographic Disease Assessments3.17 months

Source: ClinicalTrials.gov · Data processed: Mar 5, 2026