A Study of PCI-32765 (Ibrutinib) in Patients With Refractory Follicular Lymphoma

Study Description

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Brief Summary:

The purpose of this study is to evaluate the efficacy and safety of PCI-32765 (ibrutinib) administered to patients with chemoimmunotherapy-resistant follicular lymphoma (FL).

Condition or disease	Intervention/treatment	Phase
Lymphoma	Drug: PCI-32765 (Ibrutinib)	Phase 2

Detailed Description:

This is an open-label (identity of assigned study drug will be known) study of PCI-32765 (ibrutinib) in approximately 110 patients with chemoimmunotherapy-resistant FL whose disease has relapsed from at least 2 prior lines of therapy, including at least 1 rituximab combination chemotherapy regimen. Each patient must have resistant disease to the last therapy (defined as progression of disease [PD] during or within 12 months of the last dose of chemotherapy in a CD20 antibody combination chemotherapy regimen). The study will include the following phases: screening (up to 30 days prior to the first dose of study drug), treatment (until PD or unacceptable toxicity), and posttreatment follow-up (until death, lost to follow up, withdrawal of consent, or study end [defined as 2 years after the last patient is enrolled]). Patients will receive 560 mg of PCI-32765 by mouth once daily on a 21-day cycle. Treatment will be continuous (without interruption) and self-administered at home. The treatment phase will extend from administration of the first dose of study medication until PD or unacceptable toxicity. If a patient who had radiological evidence of PD is clinically stable or improving or exhibiting signs of tumor flare without confirmation of PD by PET or biopsy, they may continue treatment with ibrutinib upon request by the investigator and approval by the sponsor. Posttreatment follow-up will extend from the end of treatment until death, lost to follow up, withdrawal of consent, or study end. Every patient, except for those who explicitly withdraw consent from further site contact, will be followed for survival status until the study ends. In addition, data on subsequent antineoplastic therapy will also be collected. Serial pharmacokinetic samples will be collected and efficacy and safety will be monitored throughout the study. A separate assessment of pharmacokinetics is planned for patients who receive a strong or moderate CYP3A4/5 inhibitor while receiving treatment with ibrutinib. For patients who have already discontinued ibrutinib due to PD, have taken no other anticancer therapy, and now have a radiologically documented delayed response, resumption of ibrutinib is permitted on a case-by-case basis, upon request by the investigator and approval of the sponsor.

Study Design

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Study Type :	Interventional (Clinical Trial)
Actual Enrollment :	110 participants
Intervention Model:	Single Group Assignment
Masking:	None (Open Label)
Primary Purpose:	Treatment
Official Title:	An Open-Label, Multicenter, Single-Arm, Phase 2 Study of PCI-32765 (Ibrutinib) in Subjects With Refractory Follicular Lymphoma
Actual Study Start Date :	April 17, 2013
Actual Primary Completion Date :	May 18, 2016
Actual Study Completion Date :	May 18, 2016

Arms and Interventions

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Arm	Intervention/treatment
Experimental: PCI-32765 (Ibrutinib)	Drug: PCI-32765 (Ibrutinib); 560 mg capsules administered orally once daily, continuously on a 21-day cycle until progressive disease.; Other Name: IMBRUVICA

Outcome Measures

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Primary Outcome Measures :

1. Overall response rate [ Time Frame: Up to 2 years after the last patient is enrolled ]

Secondary Outcome Measures :

1. Duration of response [ Time Frame: Every 12 weeks during the first 96 weeks, followed by every 24 weeks thereafter until disease progression (up to 2 years after the last patient is enrolled) ]
2. Progression-free survival [ Time Frame: Up to progressive disease, death, lost to follow-up, withdrawal of consent, or study end (up to 2 years after the last patient is enrolled) ]
3. Overall survival [ Time Frame: Up to death, lost to follow-up, withdrawal of consent, or study end (up to 2 years after the last patient is enrolled) ]
4. Time to response [ Time Frame: Every 12 weeks during the first 96 weeks, followed by every 24 weeks thereafter until disease progression (up to 2 years after the last patient is enrolled) ]
5. Number of patients experiencing resolution of lymphoma-related B symptoms [ Time Frame: Day 1 of every cycle during the first 12 months, thereafter every other cycle (up to 2 years after the last patient is enrolled) ]
6. Number of patients identified with blood biomarkers that alter B-cell receptor signaling or activate alternative signaling pathways [ Time Frame: Day 1 of Cycles 1-3, and time of disease progression, or at end-of treatment visit for patients who discontinue treatment without disease progression ]
7. Minimum plasma concentration of PCI-32765 [ Time Frame: Pre-dose Day 1 of Cycles 1-3, post-dose Day 1 of Cycles 1, 2 at 1, 2, and 4 hours ]
8. Oral plasma clearance of PCI-32765 [ Time Frame: Pre-dose Day 1 of Cycles 1-3, post-dose Day 1 of Cycles 1, 2 at 1, 2, and 4 hours ]
9. Oral volume of distribution at steady state of PCI-32765 [ Time Frame: Pre-dose Day 1 of Cycles 1-3, post-dose Day 1 of Cycles 1, 2 at 1, 2, and 4 hours ]
10. Area under the plasma-concentration time curve of PCI-32765 [ Time Frame: Pre-dose Day 1 of Cycles 1-3, post-dose Day 1 of Cycles 1, 2 at 1, 2, and 4 hours ]
11. Number of participants affected by an adverse event [ Time Frame: Up to 30 days after the last dose of study medication ]

Eligibility Criteria

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Ages Eligible for Study:	18 Years and older (Adult, Senior)
Sexes Eligible for Study:	All
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

• Histologic proof of Grade 1, 2, or 3a follicular lymphoma (FL) without clinical or pathological evidence of transformation
• Previously treated with at least 2 prior lines of therapy, including at least 1 rituximab combination chemotherapy regimen; last prior line of therapy includes an anti CD20 monoclonal antibody-containing chemotherapy regimen (separate lines of therapy are defined as different regimens that are either separated by disease progression, refractory disease, or relapsed disease)
• Resistant disease to the last therapy, defined as progression of disease during or within 12 months of the last dose of chemotherapy in a CD20 antibody combination chemotherapy regimen
• At least 1 measurable site of disease according to International Working Group Revised Response Criteria for Malignant Lymphoma
• Eastern Cooperative Oncology Group performance status grade 0 or 1
• Hematology and biochemical laboratory values must be within protocol-defined parameters within 7 days prior to enrollment
• Agrees to protocol-defined use of effective contraception
• Women of childbearing potential must have a negative serum or urine pregnancy test at screening

Exclusion Criteria:

• Prior nitrosoureas within 6 weeks, chemotherapy within 3 weeks, therapeutic anticancer antibodies within 4 weeks, radio- or toxin-immunoconjugates within 10 weeks, radiation therapy or other investigational agents within 3 weeks, or major surgery within 4 weeks of first dose of study drug
• Prior treatment with PCI-32765 or other Bruton's tyrosine kinase inhibitors (patients who progressed or became refractory while on treatment with PI3K inhibitors are excluded)
• Concurrent enrollment in another therapeutic investigational clinical treatment study
• Received a prior allogeneic hematopoietic stem cell transplant (prior autologous hematopoietic stem cell transplant is allowed)
• Known central nervous system lymphoma
• History of prior malignancy (except malignancy treated with curative intent and with no known active disease present for >=3 years before enrollment, adequately treated non-melanoma skin cancer or lentigo maligna without evidence of disease, or adequately treated cervical carcinoma in situ without evidence of disease)
• History of stroke or intracranial hemorrhage within 6 months prior to enrollment
• Requires anticoagulation with warfarin or equivalent vitamin K antagonists
• Requires treatment with strong cytochrome P450 (CYP)3A4/5 inhibitors
• 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 (moderate) or Class 4 (severe) cardiac disease as defined by the New York Heart Association Functional Classification
• Known history of Human Immunodeficiency Virus (HIV) or active infection with Hepatitis C or active infection with Hepatitis B or any uncontrolled active systemic infection requiring intravenous antibiotics
• Women who are pregnant or breastfeeding
• Any life-threatening illness, medical condition, or organ system dysfunction which, in the investigator's opinion, could compromise the patient's safety, interfere with the absorption or metabolism of PCI-32765 capsules, or put the study outcomes at undue risk

Contacts and Locations

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  Show 54 Study Locations

Sponsors and Collaborators

Janssen Research & Development, LLC

Pharmacyclics LLC.

Investigators

Study Director:	Janssen Research & Development, LLC Clinical Trial	Janssen Research & Development, LLC

More Information

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Additional Information:

An Open-label, Multicenter, Single-arm, Phase 2 Study of PCI-32765 (ibrutinib) in Subjects with Refractory Follicular Lymphoma 

Responsible Party:	Janssen Research & Development, LLC
ClinicalTrials.gov Identifier:	NCT01779791 History of Changes
Other Study ID Numbers:	CR100956; 2012-004097-26 ( EudraCT Number ); PCI-32765FLR2002 ( Other Identifier: Janssen Research & Development, LLC )
First Posted:	January 30, 2013
Last Update Posted:	July 18, 2017
Last Verified:	July 2017

Studies a U.S. FDA-regulated Drug Product:		Yes
Studies a U.S. FDA-regulated Device Product:		No

Keywords provided by Janssen Research & Development, LLC:

Lymphoma; Refractory follicular lymphoma; Chemoimmunotherapy-resistant follicular lymphoma	PCI-32765; Ibrutinib; IMBRUVICA

Additional relevant MeSH terms:

Lymphoma; Lymphoma, Follicular; Neoplasms by Histologic Type; Neoplasms; Lymphoproliferative Disorders	Lymphatic Diseases; Immunoproliferative Disorders; Immune System Diseases; Lymphoma, Non-Hodgkin