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

This study is ongoing, but not recruiting participants.
Sponsor:
Collaborator:
Hoffmann-La Roche
Information provided by (Responsible Party):
Genentech, Inc.
ClinicalTrials.gov Identifier:
NCT00567190
First received: December 3, 2007
Last updated: September 15, 2017
Last verified: September 2017
Results First Received: August 14, 2012  
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


  Baseline Characteristics
  Hide Baseline Characteristics

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
ITT population

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.
Total Total of all reporting groups

Baseline Measures
   Pertuzumab + Trastuzumab + Docetaxel   Placebo + Trastuzumab + Docetaxel   Total 
Overall Participants Analyzed 
[Units: Participants]
 402   406   808 
Age 
[Units: Years]
Mean (Standard Deviation)
 53.4  (10.94)   53.5  (11.35)   53.5  (11.14) 
Sex: Female, Male 
[Units: Participants]
Count of Participants
     
Female      402 100.0%      404  99.5%      806  99.8% 
Male      0   0.0%      2   0.5%      2   0.2% 


  Outcome Measures
  Show All 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