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LUX-Breast 1: BIBW 2992 (Afatinib) in HER2-positive Metastatic Breast Cancer Patients After One Prior Herceptin Treatment

This study is ongoing, but not recruiting participants.
Sponsor:
Information provided by (Responsible Party):
Boehringer Ingelheim
ClinicalTrials.gov Identifier:
NCT01125566
First received: May 10, 2010
Last updated: August 22, 2016
Last verified: August 2016
  Purpose
To investigate the efficacy and safety of BIBW 2992 in combination with vinorelbine i.v. chemotherapy as treatment in patients with HER2-overexpressing, metastatic breast cancer, who failed one prior trastuzumab (Herceptin®) treatment

Condition Intervention Phase
Breast Neoplasms Drug: BIBW 2992 Drug: trastuzumab Drug: vinorelbine Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: LUX-Breast 1; An Open Label, Randomised Phase III Trial of BIBW 2992 and Vinorelbine Versus Trastuzumab and Vinorelbine in Patients With Metastatic HER2-overexpressing Breast Cancer Failing One Prior Trastuzumab Treatment

Resource links provided by NLM:


Further study details as provided by Boehringer Ingelheim:

Primary Outcome Measures:
  • Progression-free Survival (PFS) [ Time Frame: From randomization until disease progression, death or data cut-off (08Jun2013); Up to 34 months ]

    PFS is defined as time from randomisation to disease progression or death whichever occurs first. Assessed by investigator according to the Response Evaluation Criteria in Solid Tumours (RECIST 1.1).

    Only data collected until the cut-off date for RECIST 1.1 based endpoints (08Jun2013) were considered.

    Progression of disease was determined if at least 1 of the following criteria applied:

    • At least a 20% increase in the sum of the diameters (SoD) of target lesions taking as reference the smallest SoD recorded since the treatment started, together with an absolute increase in the SoD of at least 5 mm
    • Appearance of 1 or more new lesions
    • Unequivocal progression of existing non-target lesions


Secondary Outcome Measures:
  • Objective Response (OR) [ Time Frame: Post baseline tumour-imaging was performed at Week 8, 16, 24, 32, 40, 48, 56 and then every 12 weeks (Up to 34 months) ]

    OR is defined as complete response (CR) and partial response (PR). Assessed by investigator according to RECIST 1.1.

    Only data collected until the cut-off date 08Jun2013 were considered. Complete Response (CR) for target lesions (TL): Disappearance of all target lesions.

    Complete Response (CR) for non-target lesions (NTL): Disappearance of all non-target lesions and normalization of tumour marker level. All lymph nodes must be non-pathological in size (<10mm short axis)

    Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions taking as reference the baseline sum diameters.

    Other factors which add to the overall response of an imaging timepoint as PR are as below:-

    • CR in TL, but non-CR/Non-PD in NTL leads to PR
    • CR in TL, but not evaluated NTL leads to PR
    • PR in TL, but non-PD NTL or not all evaluated NTL leads to PR

  • Best RECIST Assessment [ Time Frame: Post baseline tumour-imaging was performed at Week 8, 16, 24, 32, 40, 48, 56 and then every 12 weeks (Data collected until cut-off date 08Jun2013; Up to 34 months) ]

    Best RECIST assessment is defined as CR, PR, stable disease (SD), PD or not evaluable by investigator (RECIST version 1.1).

    CR for target lesions (TL): Disappearance of all target lesions.

    CR for non-target lesions (NTL): Disappearance of all non-target lesions and normalization of tumour marker level. All lymph nodes must be non-pathological in size (<10mm short axis).

    PR: At least a 30% decrease in the sum of diameters (SoD) 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 references the smallest SoD while on study.

    PD: At least a 20% increase in the SoD of target lesions, taking as references the smallest sum on study (this includes the baseline sum if that is the smallest on study). Also, the sum must also demonstrate an absolute increase of a least 5mm. Appearance of one or more new lesions.


  • Overall Survival (OS) [ Time Frame: From randomisation to data cut-off (03Sep2013); Up to 37 months. ]

    OS is defined as time from randomisation to death irrespective of the cause of the death.

    For patients who had not died up to the cut-off date (03Sep2013), the date they were last known to be alive was derived from the patient status records, the trial completion record, radiological imaging assessments, the study treatment termination record, and the randomisation date.



Enrollment: 508
Study Start Date: June 2010
Estimated Study Completion Date: December 2016
Primary Completion Date: June 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Arm B: trastuzumab with vinorelbine
patients receive weekly intravenous infusion of trastuzumab and vinorelbine
Drug: trastuzumab
patients receive trastuzumab 2mg/kg intravenously every week
Drug: vinorelbine
patients receive vinorelbine 25mg/m² intravenously every week
Experimental: Arm A: BIBW 2992 with vinorelbine
patients receive BIBW 2992 tablets once daily combined with weekly intravenous infusion of vinorelbine
Drug: BIBW 2992
patients receive BIBW 2992 tablets once daily and can reduce dose for adverse event management
Drug: vinorelbine
patients receive vinorelbine 25mg/m² intravenously every week

  Eligibility

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

Inclusion criteria:

  • Histologically confirmed diagnosis of HER2-overexpression breast cancer
  • Stage IV metastatic disease
  • Must have progressed on one prior trastuzumab treatment
  • no more than one prior trastuzumab based therapy regimen (either adjuvant or first-line)
  • Must have received anthracycline and/or taxane based chemotherapy for adjuvant treatment of breast cancer or first-line treatment of metastatic breast cancer
  • Must have (archived) tumour tissue sample available for central re-assessment of HER2-status
  • At least one measurable lesion according to RECIST 1.1.
  • ECOG score of 0 or 1 .

Exclusion criteria:

  • Prior treatment with EGFR/HER2-targeted small molecules or antibodies other than trastuzumab
  • Prior treatment with vinorelbine
  • Known pre-existing interstitial lung disease
  • Active brain metastases
  • History or presence of clinically relevant cardiovascular abnormalities such as uncontrolled hypertension, congestive heart failure NYHA classification of 3, unstable angina or poorly controlled arrhythmia. Myocardial infarction within 6 months prior to randomisation.
  • Cardiac left ventricular function with resting ejection fraction of less than 50%.
  • Patients unable to comply with the protocol.
  • Any contraindications for therapy with vinorelbine or trastuzumab.
  • Known hypersensitivity to BIBW 2992 or the excipients of any of the trial drugs.
  • Use of any investigational drug within 4 weeks of randomisation.
  • Inadequate hepatic, renal and haematologic organ function
  Contacts and Locations
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, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01125566

  Show 217 Study Locations
Sponsors and Collaborators
Boehringer Ingelheim
Investigators
Study Chair: Boehringer Ingelheim Boehringer Ingelheim
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Boehringer Ingelheim
ClinicalTrials.gov Identifier: NCT01125566     History of Changes
Other Study ID Numbers: 1200.75
2009-015476-98 ( EudraCT Number: EudraCT )
Study First Received: May 10, 2010
Results First Received: June 6, 2014
Last Updated: August 22, 2016

Additional relevant MeSH terms:
Breast Neoplasms
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases
Vinorelbine
Trastuzumab
Vinblastine
Antineoplastic Agents
Antineoplastic Agents, Phytogenic
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action

ClinicalTrials.gov processed this record on July 19, 2017