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A Study to Evaluate Pertuzumab + Trastuzumab + Docetaxel vs. Placebo + Trastuzumab + Docetaxel in Previously Untreated HER2-positive Metastatic Breast Cancer (CLEOPATRA)

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ClinicalTrials.gov Identifier: NCT00567190
Recruitment Status : Active, not recruiting
First Posted : December 4, 2007
Results First Posted : September 13, 2012
Last Update Posted : January 11, 2018
Sponsor:
Collaborator:
Information provided by (Responsible Party):

Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: Triple (Participant, Investigator, Outcomes Assessor);   Primary Purpose: Treatment
Condition: Metastatic Breast Cancer
Interventions: Drug: Pertuzumab
Drug: Placebo
Drug: Trastuzumab
Drug: Docetaxel

  Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
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Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
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Reporting Groups
  Description
Pertuzumab + Trastuzumab + Docetaxel Patients received pertuzumab 420 mg intravenously (IV) every 3 weeks (q3w) plus trastuzumab 6 mg/kg IV q3w plus docetaxel 75 mg/m^2 IV q3w for at least 6 cycles.
Placebo + Trastuzumab + Docetaxel Patients received placebo IV q3w plus trastuzumab 6 mg/kg IV q3w plus docetaxel 75 mg/m^2 IV q3w for at least 6 cycles.

Participant Flow:   Overall Study
    Pertuzumab + Trastuzumab + Docetaxel   Placebo + Trastuzumab + Docetaxel
STARTED   402 [1]   406 [1] 
COMPLETED   192 [2]   142 [3] 
NOT COMPLETED   210   264 
Death                168                221 
Withdrew Consent or Lost to Follow-up                42                43 
[1] All randomized patients (Intent-to-Treat [ITT]) population
[2] On 11 February 2014, 67 were alive and on study treatment; 125 were alive and in survival follow-up
[3] On 11 February 2014, 37 were alive and on study treatment; 105 were alive and in survival follow-up



  Baseline Characteristics


  Outcome Measures

1.  Primary:   Progression-free Survival (PFS) Determined by an Independent Review Facility   [ Time Frame: Baseline to primary data cut-off on 13 May 2011 (up to 3 years, 3 months) ]

2.  Secondary:   Overall Survival   [ Time Frame: Baseline to the third data cut-off (11 February 2014) at 389 deaths (approximately 43 months after enrollment of the last patient, up to 6 years overall) ]

3.  Secondary:   Progression-free Survival (PFS) Determined by the Investigator   [ Time Frame: Baseline to the third data cut-off (11 February 2014) at 389 deaths (approximately 43 months after enrollment of the last patient, up to 6 years overall) ]

4.  Secondary:   Objective Response Determined by an Independent Review Facility   [ Time Frame: Baseline to primary data cut-off on 13 May 2011 (up to 3 years, 3 months) ]

5.  Secondary:   Duration of Objective Response Determined by an Independent Review Facility   [ Time Frame: Baseline to primary data cut-off on 13 May 2011 (up to 3 years, 3 months) ]

6.  Secondary:   Time to Symptom Progression   [ Time Frame: Baseline to primary data cut-off on 13 May 2011 (up to 3 years, 3 months) ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats


  More Information