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PRIME: Panitumumab Randomized Trial In Combination With Chemotherapy for Metastatic Colorectal Cancer to Determine Efficacy

Primary Purpose

Metastatic Colorectal Cancer

Status
Completed
Phase
Phase 3
Locations
Study Type
Interventional
Intervention
Panitumumab
FOLFOX regimen
Sponsored by
Amgen
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Metastatic Colorectal Cancer focused on measuring Oncology, Cancer, metastatic colorectal cancer, EGFr, Panitumumab, Clinical Trail, Amgen

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria: Man or woman at least 18 years old Diagnosis of metastatic colorectal cancer At least 1 uni-dimensionally measurable lesion of at least 20 mm per modified RECIST Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2 Paraffin-embedded tumor tissue from the primary tumor or metastasis available for central analyse Exclusion Criteria: History or known presence of central nervous system (CNS) metastases History of another primary cancer, except: Curatively treated in situ cervical cancer, or Curatively resected non-melanoma skin cancer, or Other primary solid tumor curatively treated with no known active disease present and no treatment administered for ≥ 5 years before randomization Prior chemotherapy or systemic therapy for the treatment of metastatic colorectal carcinoma except: adjuvant fluoropyrimidine-based chemotherapy or prior fluoropyrimidine therapy administered solely for the purpose of radiosensitization Prior oxaliplatin therapy Prior anti-epidermal growth factor receptor (EGFr) antibody therapy (eg, cetuximab) or treatment with small molecule EGFr inhibitors (eg, erlotinib) Clinically significant cardiovascular disease (including myocardial infarction, unstable angina, symptomatic congestive heart failure, serious uncontrolled cardiac arrhythmia) 1 year prior to randomization History of interstitial lung disease (eg, pneumonitis or pulmonary fibrosis) or evidence of interstitial lung disease on baseline chest computed tomography (CT) scan Active inflammatory bowel disease or other bowel disease causing chronic diarrhea (defined as > Common terminology criteria (CTC) grade 2 [CTCAE version 3.0]) Peripheral sensory neuropathy with functional impairment

Sites / Locations

    Arms of the Study

    Arm 1

    Arm 2

    Arm Type

    Experimental

    Active Comparator

    Arm Label

    FOLFOX + Panitumumab

    FOLFOX

    Arm Description

    Participants received panitumumab, 6 mg/kg on Day 1 and FOLFOX chemotherapy regimen on Days 1 and 2 of each 14-day cycle until disease progression or unacceptable toxicity.

    Participants received FOLFOX chemotherapy regimen on Days 1 and 2 of each 14-day cycle until disease progression or until unacceptable toxicity.

    Outcomes

    Primary Outcome Measures

    Progression-free Survival
    Progression-free survival (PFS), assessed by central radiological assessment, was defined as the time from randomization to disease progression per modified response evaluation criteria in solid tumors (RECIST) criteria or death. Participants who were alive but did not meet criteria for progression by the data cutoff date were censored at their last evaluable disease assessment date. Progressive disease is defined as a ≥ 20% increase in the size of target lesions or unequivocal progression of existing non-target lesions or any new lesions.

    Secondary Outcome Measures

    Overall Survival
    The definition of overall survival is the time from randomization to death; participants who were alive at the analysis data cutoff were censored at their last contact date.
    Percentage of Participants With an Objective Response
    Participants were evaluated for tumor response per the modified Response Evaluation Criteria in Solid Tumors (RECIST) criteria every 8 weeks until disease progression. Objective response by central radiological assessment was defined as the incidence of either a confirmed complete or partial response (CR or PR) while on the first-line treatment, as determined by blinded independent central review and confirmed no less than 4-weeks after the criteria for response are first met. CR: Disappearance of all target and non-target lesions and no new lesions. PR: At least a 30% decrease in the sum of the longest diameter of target lesions and no progression of non-target or no new lesions, or, disappearance of all target lesions and the persistence of ≥ 1 non-target lesion not qualifying for either CR or progressive disease. Participants without a post-baseline assessment were considered non-responders.
    Time to Progression
    Time to progression was defined as time from randomization date to date of disease progression per the modified RECIST criteria.
    Duration of Response
    Duration of response was calculated only for those participants with a confirmed CR or PR, as the time from the first CR or PR (subsequently confirmed within no less than 4 weeks) to first observed disease progression per modified RECIST criteria, based on a blinded central review.
    Number of Participants With Adverse Events (AEs)
    A serious adverse event (SAE) is defined as an AE that • is fatal • is life threatening • requires in-patient hospitalization or prolongation of existing hospitalization • results in persistent or significant disability/incapacity • is a congenital anomaly/birth defect • other significant medical hazard. The relationship of the adverse event to the study treatment was assessed by the Investigator by means of the question: "Is there a reasonable possibility that the event may have been caused by the study treatment?"

    Full Information

    First Posted
    August 10, 2006
    Last Updated
    November 3, 2022
    Sponsor
    Amgen
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    1. Study Identification

    Unique Protocol Identification Number
    NCT00364013
    Brief Title
    PRIME: Panitumumab Randomized Trial In Combination With Chemotherapy for Metastatic Colorectal Cancer to Determine Efficacy
    Official Title
    A Randomized, Multicenter, Phase 3 Study to Compare the Efficacy of Panitumumab in Combination With Oxaliplatin/ 5-fluorouracil/ Leucovorin to the Efficacy of Oxaliplatin/ 5-fluorouracil/ Leucovorin Alone in Patients With Previously Untreated Metastatic Colorectal Cancer
    Study Type
    Interventional

    2. Study Status

    Record Verification Date
    November 2022
    Overall Recruitment Status
    Completed
    Study Start Date
    August 1, 2006 (Actual)
    Primary Completion Date
    August 1, 2009 (Actual)
    Study Completion Date
    March 22, 2013 (Actual)

    3. Sponsor/Collaborators

    Responsible Party, by Official Title
    Sponsor
    Name of the Sponsor
    Amgen

    4. Oversight

    Data Monitoring Committee
    Yes

    5. Study Description

    Brief Summary
    The purpose of this study is to determine the treatment effect of panitumumab in combination with FOLFOX compared to FOLFOX alone as first line therapy for metastatic colorectal cancer

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Metastatic Colorectal Cancer
    Keywords
    Oncology, Cancer, metastatic colorectal cancer, EGFr, Panitumumab, Clinical Trail, Amgen

    7. Study Design

    Primary Purpose
    Treatment
    Study Phase
    Phase 3
    Interventional Study Model
    Parallel Assignment
    Masking
    None (Open Label)
    Allocation
    Randomized
    Enrollment
    1183 (Actual)

    8. Arms, Groups, and Interventions

    Arm Title
    FOLFOX + Panitumumab
    Arm Type
    Experimental
    Arm Description
    Participants received panitumumab, 6 mg/kg on Day 1 and FOLFOX chemotherapy regimen on Days 1 and 2 of each 14-day cycle until disease progression or unacceptable toxicity.
    Arm Title
    FOLFOX
    Arm Type
    Active Comparator
    Arm Description
    Participants received FOLFOX chemotherapy regimen on Days 1 and 2 of each 14-day cycle until disease progression or until unacceptable toxicity.
    Intervention Type
    Drug
    Intervention Name(s)
    Panitumumab
    Other Intervention Name(s)
    Vectibix®
    Intervention Description
    Panitumumab 6 mg/kg over on Day 1 of each 14-day cycle, just prior to the administration of chemotherapy.
    Intervention Type
    Drug
    Intervention Name(s)
    FOLFOX regimen
    Intervention Description
    The FOLFOX regimen consisted of oxaliplatin 85 mg/m^2 intravenous (IV) infusion on Day 1, leucovorin, 200 mg/m^2 (racemate) on Days 1 and 2 and 5-fluorouracil 400 mg/m^2 IV bolus followed by 600 mg/m^2 IV infusion over 22 hours on Days 1 and 2. Each cycle was 14 days.
    Primary Outcome Measure Information:
    Title
    Progression-free Survival
    Description
    Progression-free survival (PFS), assessed by central radiological assessment, was defined as the time from randomization to disease progression per modified response evaluation criteria in solid tumors (RECIST) criteria or death. Participants who were alive but did not meet criteria for progression by the data cutoff date were censored at their last evaluable disease assessment date. Progressive disease is defined as a ≥ 20% increase in the size of target lesions or unequivocal progression of existing non-target lesions or any new lesions.
    Time Frame
    From randomization until the data cutoff date of 30 September 2008. Maximum follow-up time was 109 weeks.
    Secondary Outcome Measure Information:
    Title
    Overall Survival
    Description
    The definition of overall survival is the time from randomization to death; participants who were alive at the analysis data cutoff were censored at their last contact date.
    Time Frame
    From randomization until the data cutoff date of 28 August 2009. Maximum time on follow-up was 153 weeks.
    Title
    Percentage of Participants With an Objective Response
    Description
    Participants were evaluated for tumor response per the modified Response Evaluation Criteria in Solid Tumors (RECIST) criteria every 8 weeks until disease progression. Objective response by central radiological assessment was defined as the incidence of either a confirmed complete or partial response (CR or PR) while on the first-line treatment, as determined by blinded independent central review and confirmed no less than 4-weeks after the criteria for response are first met. CR: Disappearance of all target and non-target lesions and no new lesions. PR: At least a 30% decrease in the sum of the longest diameter of target lesions and no progression of non-target or no new lesions, or, disappearance of all target lesions and the persistence of ≥ 1 non-target lesion not qualifying for either CR or progressive disease. Participants without a post-baseline assessment were considered non-responders.
    Time Frame
    Every 8 weeks until disease progression up to the data cut-off date of 30 September 2008; Maximum follow-up time was 109 weeks.
    Title
    Time to Progression
    Description
    Time to progression was defined as time from randomization date to date of disease progression per the modified RECIST criteria.
    Time Frame
    From randomization until the data cut-off date of 30 September 2008; Maximum follow-up time was 109 weeks.
    Title
    Duration of Response
    Description
    Duration of response was calculated only for those participants with a confirmed CR or PR, as the time from the first CR or PR (subsequently confirmed within no less than 4 weeks) to first observed disease progression per modified RECIST criteria, based on a blinded central review.
    Time Frame
    Every 8 weeks until disease progression up to the data cut-off date of 30 September 2008; Maximum follow-up time was 109 weeks.
    Title
    Number of Participants With Adverse Events (AEs)
    Description
    A serious adverse event (SAE) is defined as an AE that • is fatal • is life threatening • requires in-patient hospitalization or prolongation of existing hospitalization • results in persistent or significant disability/incapacity • is a congenital anomaly/birth defect • other significant medical hazard. The relationship of the adverse event to the study treatment was assessed by the Investigator by means of the question: "Is there a reasonable possibility that the event may have been caused by the study treatment?"
    Time Frame
    From randomization until the data cut-off date of 28 August 2009; Maximum time on follow-up was 153 weeks.

    10. Eligibility

    Sex
    All
    Minimum Age & Unit of Time
    18 Years
    Accepts Healthy Volunteers
    No
    Eligibility Criteria
    Inclusion Criteria: Man or woman at least 18 years old Diagnosis of metastatic colorectal cancer At least 1 uni-dimensionally measurable lesion of at least 20 mm per modified RECIST Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2 Paraffin-embedded tumor tissue from the primary tumor or metastasis available for central analyse Exclusion Criteria: History or known presence of central nervous system (CNS) metastases History of another primary cancer, except: Curatively treated in situ cervical cancer, or Curatively resected non-melanoma skin cancer, or Other primary solid tumor curatively treated with no known active disease present and no treatment administered for ≥ 5 years before randomization Prior chemotherapy or systemic therapy for the treatment of metastatic colorectal carcinoma except: adjuvant fluoropyrimidine-based chemotherapy or prior fluoropyrimidine therapy administered solely for the purpose of radiosensitization Prior oxaliplatin therapy Prior anti-epidermal growth factor receptor (EGFr) antibody therapy (eg, cetuximab) or treatment with small molecule EGFr inhibitors (eg, erlotinib) Clinically significant cardiovascular disease (including myocardial infarction, unstable angina, symptomatic congestive heart failure, serious uncontrolled cardiac arrhythmia) 1 year prior to randomization History of interstitial lung disease (eg, pneumonitis or pulmonary fibrosis) or evidence of interstitial lung disease on baseline chest computed tomography (CT) scan Active inflammatory bowel disease or other bowel disease causing chronic diarrhea (defined as > Common terminology criteria (CTC) grade 2 [CTCAE version 3.0]) Peripheral sensory neuropathy with functional impairment
    Overall Study Officials:
    First Name & Middle Initial & Last Name & Degree
    MD
    Organizational Affiliation
    Amgen
    Official's Role
    Study Director

    12. IPD Sharing Statement

    Citations:
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    24024839
    Citation
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    Links:
    URL
    http://www.amgentrials.com
    Description
    AmgenTrials clinical trials website

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    PRIME: Panitumumab Randomized Trial In Combination With Chemotherapy for Metastatic Colorectal Cancer to Determine Efficacy

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