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Study to Evaluate Ibrutinib Combination Therapy in Patients With Selected Gastrointestinal and Genitourinary Tumors

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02599324
Recruitment Status : Completed
First Posted : November 6, 2015
Results First Posted : October 26, 2022
Last Update Posted : October 26, 2022
Sponsor:
Information provided by (Responsible Party):
Pharmacyclics LLC.

Brief Summary:
The purpose of this study is to evaluate the safety, tolerability, and efficacy of single agent ibrutinib or the combination treatments of ibrutinib with everolimus, paclitaxel, docetaxel, pembrolizumab or cetuximab in selected advance gastrointestinal and genitourinary tumors.

Condition or disease Intervention/treatment Phase
Metastatic Renal Cell Carcinoma Advanced Urothelial Carcinoma Advanced Gastric Adenocarcinoma Metastatic Colorectal Adenocarcinoma Drug: ibrutinib Drug: everolimus Drug: paclitaxel Drug: docetaxel Drug: cetuximab Drug: pembrolizumab Phase 1 Phase 2

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 263 participants
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1b/2 Study of Ibrutinib Combination Therapy in Selected Advanced Gastrointestinal and Genitourinary Tumors
Actual Study Start Date : December 1, 2015
Actual Primary Completion Date : August 20, 2021
Actual Study Completion Date : August 20, 2021


Arm Intervention/treatment
Experimental: Cohort 1: Renal Cell Carcinoma (RCC)

Phase 1b: Participants receive ibrutinib at various dose levels in combination with a fixed dose of everolimus to determine the recommended phase 2 dose (RP2D) of ibrutinib. (The RP2D was determined for each cohort separately.)

Phase 2: Participants receive ibrutinib at the RP2D determined in phase 1b in combination with everolimus.

Drug: ibrutinib
Ibrutinib administered orally once daily with 8 ounces (approximately 240 mL) of water.

Drug: everolimus
Everolimus 10 mg tablets should be taken orally once daily at the same time every day, either consistently with food or consistently without food. Four (4) x 2.5 mg tablets or two (2) x 5.0 mg tablets may be substituted if 10 mg tablet strength is not available.

Experimental: Cohort 2: Urothelial Carcinoma (UC)

Phase 1b: Participants receive ibrutinib at various dose levels in combination with a fixed dose of paclitaxel to determine the RP2D of ibrutinib. (The RP2D was determined for each cohort separately.)

Phase 2: Participants receive ibrutinib at the RP2D determined in Phase 1b in combination with paclitaxel.

Drug: ibrutinib
Ibrutinib administered orally once daily with 8 ounces (approximately 240 mL) of water.

Drug: paclitaxel
Paclitaxel should be administered as a 60-minute (±10 minutes) infusion. Paclitaxel should be given at a dose level of 80 mg/m^2, once weekly, in continual 3 weekly cycles.

Experimental: Cohort 3: Gastric Adenocarcinoma (GA or GC)

Phase 1b: Participants receive ibrutinib at various dose levels in combination with a fixed dose of docetaxel to determine the RP2D of ibrutinib. (The RP2D was determined for each cohort separately.)

Phase 2: Participants receive docetaxel at the RP2D determined in Phase 1b in combination with docetaxel.

Drug: ibrutinib
Ibrutinib administered orally once daily with 8 ounces (approximately 240 mL) of water.

Drug: docetaxel
Docetaxel administered as a 60 minute infusion (±10 minutes) at a dose level of 60 - 75 mg/m^2 (according to local institutional standard of care), given continually in 21-day cycles.

Experimental: Cohort 4: Colorectal Adenocarcinoma (CRC)

Phase 1b: Participants receive ibrutinib at various dose levels in combination with a fixed dose of cetuximab to determine RP2D of ibrutinib. (The RP2D was determined for each cohort separately.)

Phase 2: Participants receive ibrutinib at the RP2D determined in Phase 1b in combination with cetuximab.

Drug: ibrutinib
Ibrutinib administered orally once daily with 8 ounces (approximately 240 mL) of water.

Drug: cetuximab
Cetuximab 400 mg/m^2 administered as a 120-minute IV infusion. The recommended subsequent weekly dose (all other infusions) is 250 mg/m^2 infused over 60 minutes.

Experimental: Cohort 5: Urothelial Carcinoma (UC) Ibrutinib

Phase 1b: Participants receive ibrutinib at various dose levels to determine the RP2D of ibrutinib.(The RP2D was determined for each cohort separately.)

Phase 2: Participants receive ibrutinib at the RP2D determined in Phase 1b.

Drug: ibrutinib
Ibrutinib administered orally once daily with 8 ounces (approximately 240 mL) of water.

Experimental: Cohort 6: Urothelial Carcinoma (UC) With Pembrolizumab

Phase 1b: Participants receive ibrutinib at various dose levels in combination with a fixed dose of pembrolizumab to determine the RP2D of ibrutinib. (The RP2D was determined for each cohort separately.)

Phase 2: Participants receive ibrutinib at the RP2D determined in Phase 1b in combination with pembrolizumab.

Drug: ibrutinib
Ibrutinib administered orally once daily with 8 ounces (approximately 240 mL) of water.

Drug: pembrolizumab
Pembrolizumab 200 mg intravenous (IV) every 3 weeks.




Primary Outcome Measures :
  1. Phase 1b: Number of Participants With Dose-Limiting Toxicities (DLTs) in Cohorts 1 to 6 [ Time Frame: 21 days after the initiation of therapy at the start of Cycle 1 ]
    A DLT was defined as any Grade 3 (severe) or higher non-hematologic or Grade 4 (life-threatening) hematologic adverse event (AE) occurring during the DLT observation period that was considered to be at least possibly related to the study treatment (ibrutinib or drug combination).

  2. Phase 1b/2 RP2D: Progression-Free Survival (PFS) as Assessed by Investigator in Cohorts 1 and 2 [ Time Frame: Maximum time on study for Cohort 1 (Phase 1b/2 RP2D) was 37.4 months; for Cohort 2 (Phase 1b/2 RP2D) was 44.7 months. ]
    PFS is defined as the time from the date of first dose of study treatment to the date of first documentation of progressive disease (PD) or date of death from any cause, whichever occurs first, regardless of the use of subsequent anti-cancer treatment. PD was defined in accordance with Response Evaluation Criteria In Solid Tumors (RECIST) criteria version 1.1. PD: At least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study), and an absolute increase of ≥ 5 mm, or unequivocal progression of existing non-target lesions or the appearance of new lesions.

  3. Phase 1b/2 RP2D: Overall Response Rate (ORR) as Assessed by Investigator in Cohorts 3 to 6 [ Time Frame: Maximum time on study (Phase 1b/2 RP2D) for Cohort 3 was 41.9 months; for Cohort 4 was 23.5 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. ]
    ORR is defined as the percentage of participants who have a best response of partial response (PR) or complete response (CR) to therapy in accordance with RECIST 1.1 criteria. CR: The disappearance of all target and non-target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to < 10 mm. Normalization of tumor marker level, if relevant. All lymph nodes must be non-pathological in size (< 10 mm short axis). PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.


Secondary Outcome Measures :
  1. Phase 1b: ORR in Cohorts 1 to 6 [ Time Frame: Maximum time on study (Phase 1b only) for Cohort 1 was 37.4 months; for Cohort 2 was 44.7 months; for Cohort 3 was 41.9 months; for Cohort 4 was 34.2 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. ]
    ORR is defined as the percentage of participants who have a best response of partial response (PR) or complete response (CR) to therapy in accordance with RECIST 1.1 criteria. CR: The disappearance of all target and non-target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to < 10 mm. Normalization of tumor marker level, if relevant. All lymph nodes must be non-pathological in size (< 10 mm short axis). PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.

  2. Phase 1b: Disease Control Rate (DCR) in Cohorts 1 to 6 [ Time Frame: Maximum time on study (Phase 1b only) for Cohort 1 was 37.4 months; for Cohort 2 was 44.7 months; for Cohort 3 was 41.9 months; for Cohort 4 was 34.2 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. ]
    DCR is is defined as the percentage of participants who have a best response of PR, CR, or stable disease (SD) to therapy in accordance with RECIST 1.1 criteria. CR: The disappearance of all target and non-target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to < 10 mm. Normalization of tumor marker level, if relevant. All lymph nodes must be non-pathological in size (< 10 mm short axis). PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest SOD since the treatment started (baseline or after). For SD, tthere was no need for confirmation by a subsequent imaging assessment.

  3. Phase 1b/2 RP2D: DCR in Cohorts 1 to 6 [ Time Frame: Maximum time on study (Phase 1b/2 RP2D) for Cohort 1 was 37.4 months; for Cohort 2 was 44.7 months; for Cohort 3 was 41.9 months; for Cohort 4 was 23.5 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. (Reverse Kaplan-Meier estimates) ]
    DCR is is defined as the percentage of participants who have a best response of PR, CR, or SD to therapy in accordance with RECIST 1.1 criteria. CR: The disappearance of all target and non-target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to < 10 mm. Normalization of tumor marker level, if relevant. All lymph nodes must be non-pathological in size (< 10 mm short axis). PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest SOD since the treatment started (baseline or after). For SD, tthere was no need for confirmation by a subsequent imaging assessment.

  4. Phase 1b/2 RP2D: PFS in Cohorts 3 to 6 [ Time Frame: Maximum time on study (Phase 1b/2 RP2D) for Cohort 3 was 41.9 months; for Cohort 4 was 23.5 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. (Reverse Kaplan-Meier estimates) ]
    PFS is defined as the time from the date of first dose of study treatment to the date of first documentation of PD or date of death from any cause, whichever occurs first, regardless of the use of subsequent anti-cancer treatment. PD was defined in accordance with RECIST 1.1 criteria.

  5. Phase 1b/2 RP2D: ORR in Cohorts 1 and 2 [ Time Frame: Maximum time on study for Cohort 1 (Phase 1b/2 RP2D) was 37.4 months; for Cohort 2 (Phase 1b/2 RP2D) was 44.7 months. (Reverse Kaplan-Meier estimates) ]
    ORR is defined as the percentage of participants who have a best response to therapy of PR or CR in accordance with RECIST 1.1 criteria. CR: The disappearance of all target and non-target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to < 10 mm. Normalization of tumor marker level, if relevant. All lymph nodes must be non-pathological in size (< 10 mm short axis). PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.

  6. Phase 1b/2 RP2D: Overall Survival (OS) in Cohorts 1 to 6 [ Time Frame: Maximum time on study (Phase 1b/2 RP2D) for Cohort 1 was 37.4 months; for Cohort 2 was 44.7 months; for Cohort 3 was 41.9 months; for Cohort 4 was 23.5 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. (Reverse Kaplan-Meier estimates) ]
    OS is defined as the time from the date of first dose of study treatment to the date of death from any cause. Subjects who were not known to have died at the data extraction will be censored at date last known alive.

  7. Phase 1b/2 RP2D: Duration of Response (DOR) in Cohorts 1 to 6 [ Time Frame: Maximum time on study (Phase 1b/2 RP2D) for Cohort 1 was 37.4 months; for Cohort 2 was 44.7 months; for Cohort 3 was 41.9 months; for Cohort 4 was 23.5 months; for Cohort 5 was 17.3 months; for Cohort 6 was 20.1 months. (Reverse Kaplan-Meier estimates) ]

    DOR is defined for confirmed responders (PR or better) as time from the date of initial response (PR or better) to the date of first documentation of PD (according to RECIST 1.1) or death, whichever occurs first, regardless of use of subsequent anti-cancer treatment. Confirmed responders without documentation of PD or death or with unknown status at the data extraction were censored at the last adequate post-baseline disease assessment showing no evidence of PD. PD was defined as at least a 20% increase in the size of target lesions with an absolute increase of at least 5 mm, unequivocal progression of existing non-target lesions, or the appearance of one or more new lesions.

    Per protocol, participants in Phase 1b receiving the Phase 2 RP2D and participants in Phase 2 RP2D were analyzed together.


  8. Phase 1b: Observed Maximum Concentration (Cmax) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The Cmax was noted as observed.

  9. Phase 1b: Time to Cmax (Tmax) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The tmax was noted as observed.

  10. Phase 1b: Time of Last Observed Concentration (Tlast) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The tlast was noted as observed.

  11. Phase 1b: Area Under the Concentration-Time Curve From Time 0 to Hour 24 (AUC0-24h) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The AUC0-24h was calculated by the linear trapezoidal method.

  12. Phase 1b: Area Under the Concentration-Time Curve to Last Observed Time Point (AUClast) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The AUClast was calculated by the linear trapezoidal method.

  13. Phase 1b: Terminal Elimination Half-Life (t1/2term) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The apparent t1/2term was calculated by ln(2)/λz, where λz is the apparent elimination rate constant obtained by linear regression of three or more log-transformed data points in the terminal phase (not including Cmax).

  14. Phase 1b: Terminal Elimination Rate Constant (λz) for Ibrutinib and Its Metabolite PCI-45227 in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. The λz is the apparent elimination rate constant obtained by linear regression of three or more log-transformed data points in the terminal phase (not including Cmax).

  15. Phase 1b: Apparent Total Clearance at Steady-State (CLss/F) for Ibrutinib in Cohorts 1 to 4 [ Time Frame: Cycle 2 Day 1: predose, 1 h ± 15 min, 2 h ± 15 min, 4 h ± 15 min, 6 h ± 15 min postdose ]
    Actual collection times relative to ibrutinib administration were used for the calculation of pharmacokinetic parameters of ibrutinib and PCI-45227. For actual predose collection times that were < 0, these values were set equal to 0. Predose concentrations were applied as 24 hour concentrations in order to calculate steady-state (Cycle 2 Day 1) pharmacokinetic parameters for ibrutinib and PCI-45227. Apparent total CLss/F (Cycle 2 Day 1) was calculated as dose/AUC0-24h.



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02599324


Locations
Show Show 65 study locations
Sponsors and Collaborators
Pharmacyclics LLC.
Investigators
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Study Director: Pharmacyclics LLC Pharmacyclics LLC.
  Study Documents (Full-Text)

Documents provided by Pharmacyclics LLC.:
Study Protocol  [PDF] January 25, 2019
Statistical Analysis Plan  [PDF] June 30, 2021

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Responsible Party: Pharmacyclics LLC.
ClinicalTrials.gov Identifier: NCT02599324    
Other Study ID Numbers: PCYC-1128-CA
2015-003656-40 ( EudraCT Number )
First Posted: November 6, 2015    Key Record Dates
Results First Posted: October 26, 2022
Last Update Posted: October 26, 2022
Last Verified: September 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: Requests for access to individual participant data from clinical studies conducted by Pharmacyclics LLC, an AbbVie Company, can be submitted through Yale Open Data Access (YODA) Project site at the following link.
Supporting Materials: Study Protocol
Statistical Analysis Plan (SAP)
Clinical Study Report (CSR)
URL: http://yoda.yale.edu

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Product Manufactured in and Exported from the U.S.: No
Additional relevant MeSH terms:
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Carcinoma
Adenocarcinoma
Carcinoma, Renal Cell
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Kidney Neoplasms
Urologic Neoplasms
Urogenital Neoplasms
Neoplasms by Site
Kidney Diseases
Urologic Diseases
Paclitaxel
Docetaxel
Pembrolizumab
Cetuximab
Everolimus
Antineoplastic Agents, Phytogenic
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents, Immunological
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs