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Safety and Efficacy of PCI-32765 in Participants With Relapsed/Refractory Mantle Cell Lymphoma (MCL)

Multicenter Phase 2 Study of Bruton's Tyrosine Kinase (Btk) Inhibitor, PCI-32765, in Relapsed or Refractory Mantle Cell Lymphoma

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01236391
Acronym
PCYC-1104-CA
Enrollment
115
Registered
2010-11-08
Start date
2011-02-28
Completion date
2014-01-31
Last updated
2015-08-28

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

Conditions

Mantle Cell Lymphoma

Keywords

Pharmacyclics, Mantle, Mantle Cell, Lymphoma, Non-Hodgkins, Bortezomib, Velcade, Naive, PCYC

Brief summary

The primary objective of this study was to evaluate the efficacy of ibrutinib in participants with relapsed or refractory MCL. The secondary objective was to evaluate the safety of a fixed daily dosing regimen (560 mg daily) of PCI-32765 in this population.

Detailed description

This is a Phase 2, open-label, nonrandomized, multicenter, monotherapy study in subjects with histologically documented MCL who have relapsed after ≥ 1 (but not \> 5) prior treatment regimens. All subjects meeting eligibility criteria will receive PCI-32765 capsules at a dosage of 560 mg/day once daily for a 28-day cycle until disease progression, unacceptable toxicity, or enrollment in a long-term extension study, whichever occurs earlier.

Interventions

560 mg daily

Sponsors

Janssen Pharmaceuticals
CollaboratorINDUSTRY
Pharmacyclics LLC.
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

* Men and women ≥ 18 years of age * ECOG performance status of ≤ 2 * Pathologically confirmed MCL, with documentation of either overexpression of cyclin D1 or t(11;14), and measurable disease on cross sectional imaging that is ≥ 2 cm in the longest diameter and measurable in 2 perpendicular dimensions * Documented failure to achieve at least partial response (PR) with, or documented disease progression disease after, the most recent treatment regimen * At least 1, but no more than 5, prior treatment regimens for MCL (Note: Subjects having received ≥2 cycles of prior treatment with bortezomib, either as a single agent or as part of a combination therapy regimen, will be considered to be bortezomib-exposed.) * Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty * Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information (in accordance with national and local subject privacy regulations) Major

Exclusion criteria

* Prior chemotherapy within 3 weeks, nitrosoureas within 6 weeks, therapeutic anticancer antibodies within 4 weeks, radio- or toxin-immunoconjugates within 10 weeks, radiation therapy within 3 weeks, or major surgery within 2 weeks of first dose of study drug * Any life-threatening illness, medical condition or organ system dysfunction which, in the investigator's opinion, could compromise the subject's safety, interfere with the absorption or metabolism of PCI-32765 capsules, or put the study outcomes at undue risk * Clinically significant cardiovascular disease such as uncontrolled or symptomatic arrhythmias, congestive heart failure, or myocardial infarction within 6 months of screening, or any Class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification * Malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel or ulcerative colitis, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction * Any of the following laboratory abnormalities: 1. Absolute neutrophil count (ANC) \< 750 cells/mm3 (0.75 x 109/L) unless there is documented bone marrow involvement 2. Platelet count \< 50,000 cells/mm3 (50 x 109/L) independent of transfusion support unless there is documented bone marrow involvement 3. Serum aspartate transaminase (AST/SGOT) or alanine transaminase (ALT/SGPT) ≥ 3.0 x upper limit of normal (ULN) 4. Creatinine \> 2.0 x ULN

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants Achieving ResponseThe median follow-up time on study for all treated participants is 15.3 (range 1.9 - 22.3) monthsThe primary endpoint of the study was overall response rate (ORR), defined as the proportion of participants who achieved a best overall response of complete response (CR) or partial response (PR), according to the revised International Working Group Criteria for non-Hodgkin's lymphoma (Cheson et al, 2007), as assessed by the investigator. CR is a complete disappearance of all disease, no new lesions, lymph nodes must have regressed and be PET negative, spleen and liver should not be palpable and without nodules, and bone marrow must be negative. PR is a \>/= 50% decrease in the sum of the product of diameters of the target lesions, and \>/= 50% decrease of splenic and hepatic nodules from baseline, no new lesions and no increase in the size of liver, spleen or non-target lesions.

Secondary

MeasureTime frameDescription
Number of Participants With Treatment Emergent Adverse Events (AEs)From first dose of PCI-32765 to within 30 days of last dose for each participant or until study closureNumber of participants who had experienced at least one treatment emergent AE
PCI-32765 and Its Metabolite (PCI-45227) AUC0-24h After Repeat Dosing of PCI-32765Performed During the First Month of Receiving PCI-32765Area under the plasma concentration-time curve using data collected at 0, 1, 2, 4, 6-8, and 24 hours post dose (AUC0-24h)
Mean Change From Baseline to Cycle 5 in EORTC QLQ-C30 Global Health Status ScoreFrom Baseline to Cycle 5 (Week 20)Mean change from baseline to Cycle 5 in the European Organisation for Research and Treatment of Cancer quality of life questionnaire (EORTC QLQ-C30) Global Health Status Score according to EORTC QLQ-C30 Scoring Manual (3rd Edition, 2001). For global health status, positive changes indicated better health status or functioning, and negative changes indicated worsening of health status or functioning. Scale scores range from 0 to 100. A change in 5 to 10 points in either direction represents a small change; 10 to 20 points represents a moderate change and greater than 20 points represents a large change.

Countries

Germany, Poland, United Kingdom, United States

Participant flow

Pre-assignment details

One hundred fifteen subjects were enrolled and 111 subjects received at least 1 dose of ibrutinib and constitute the all treated population and the safety analysis set.

Participants by arm

ArmCount
PCI-32765
PCI-32765: 560 mg daily
111
Total111

Baseline characteristics

CharacteristicPCI-32765
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
70 Participants
Age, Categorical
Between 18 and 65 years
41 Participants
Age, Continuous67.1 years
STANDARD_DEVIATION 8.6
Region of Enrollment
Germany
3 participants
Region of Enrollment
Poland
10 participants
Region of Enrollment
United Kingdom
20 participants
Region of Enrollment
United States
78 participants
Sex: Female, Male
Female
26 Participants
Sex: Female, Male
Male
85 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
111 / 111
serious
Total, serious adverse events
62 / 111

Outcome results

Primary

Percentage of Participants Achieving Response

The primary endpoint of the study was overall response rate (ORR), defined as the proportion of participants who achieved a best overall response of complete response (CR) or partial response (PR), according to the revised International Working Group Criteria for non-Hodgkin's lymphoma (Cheson et al, 2007), as assessed by the investigator. CR is a complete disappearance of all disease, no new lesions, lymph nodes must have regressed and be PET negative, spleen and liver should not be palpable and without nodules, and bone marrow must be negative. PR is a \>/= 50% decrease in the sum of the product of diameters of the target lesions, and \>/= 50% decrease of splenic and hepatic nodules from baseline, no new lesions and no increase in the size of liver, spleen or non-target lesions.

Time frame: The median follow-up time on study for all treated participants is 15.3 (range 1.9 - 22.3) months

Population: Participants who received at least 1 dose of PCI-32765 and constitute the all treated population

ArmMeasureValue (NUMBER)
PCI-32765Percentage of Participants Achieving Response67.6 percentage of participants with response
Secondary

Mean Change From Baseline to Cycle 5 in EORTC QLQ-C30 Global Health Status Score

Mean change from baseline to Cycle 5 in the European Organisation for Research and Treatment of Cancer quality of life questionnaire (EORTC QLQ-C30) Global Health Status Score according to EORTC QLQ-C30 Scoring Manual (3rd Edition, 2001). For global health status, positive changes indicated better health status or functioning, and negative changes indicated worsening of health status or functioning. Scale scores range from 0 to 100. A change in 5 to 10 points in either direction represents a small change; 10 to 20 points represents a moderate change and greater than 20 points represents a large change.

Time frame: From Baseline to Cycle 5 (Week 20)

ArmMeasureValue (MEAN)Dispersion
PCI-32765Mean Change From Baseline to Cycle 5 in EORTC QLQ-C30 Global Health Status Score0.6 scores on a scaleStandard Deviation 22.4
Secondary

Number of Participants With Treatment Emergent Adverse Events (AEs)

Number of participants who had experienced at least one treatment emergent AE

Time frame: From first dose of PCI-32765 to within 30 days of last dose for each participant or until study closure

ArmMeasureValue (NUMBER)
PCI-32765Number of Participants With Treatment Emergent Adverse Events (AEs)111 participants
Secondary

PCI-32765 and Its Metabolite (PCI-45227) AUC0-24h After Repeat Dosing of PCI-32765

Area under the plasma concentration-time curve using data collected at 0, 1, 2, 4, 6-8, and 24 hours post dose (AUC0-24h)

Time frame: Performed During the First Month of Receiving PCI-32765

Population: PK samples were collected in a subset of participants (n=48) in this trial (n=111). PK parameters reported here reflects those that were PK evaluable from the 48 participants.

ArmMeasureValue (MEAN)Dispersion
PCI-32765PCI-32765 and Its Metabolite (PCI-45227) AUC0-24h After Repeat Dosing of PCI-32765953 AUC0-24h (ng*h/mL)Standard Deviation 705
PCI-45227 (Metabolite)- Day 8PCI-32765 and Its Metabolite (PCI-45227) AUC0-24h After Repeat Dosing of PCI-327651263 AUC0-24h (ng*h/mL)Standard Deviation 707

Source: ClinicalTrials.gov · Data processed: Mar 10, 2026