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Study of Cisplatin/Vinorelbine +/- Cetuximab as First-line Treatment of Advanced Non Small Cell Lung Cancer (FLEX)

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Merck KGaA
ClinicalTrials.gov Identifier:
NCT00148798
First received: September 7, 2005
Last updated: June 13, 2014
Last verified: June 2014
Results First Received: August 24, 2011  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Non Small Cell Lung Cancer (NSCLC)
Interventions: Drug: cetuximab + cisplatin + vinorelbine
Drug: cisplatin + vinorelbine

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
First/last subject (informed consent): October 2004/January 2006. Clinical data cut-off: 18 July 2007. Last subject completed 16 May 2012. Subjects randomized at 155 centers; Asia/Australia: 21; Europe: 120; South America: 14.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Enrolled: 1,861 after consent to epidermal growth factor receptor (EGFR) assessment; 603 excluded (mainly non-fulfillment of inclusion or exclusion criteria). 1,258 screened for eligibility after consent for study procedures; 143 excluded (mainly non-fulfillment of inclusion or exclusion criteria). 1,125 subjects randomized.

Reporting Groups
  Description
Cetuximab Plus Chemotherapy

cetuximab given as an intravenous (i.v.) infusion every week (400mg/m^2 initial dose and 250mg/m^2 subsequent doses) until progressive disease (PD) + cisplatin 80mg/m^2 i.v. infusion on day 1 of each 3-week cycle + vinorelbine 25mg/m^2 i.v. infusion on days 1 and 8 of each 3-week cycle.

Safety population: includes all treated subjects.

Chemotherapy Alone

cisplatin 80mg/m^2 i.v. infusion on day 1 of each 3-week cycle + vinorelbine 25mg/m^2 i.v. infusion on days 1 and 8 of each 3-week cycle.

Safety population: includes all treated subjects.


Participant Flow:   Overall Study
    Cetuximab Plus Chemotherapy     Chemotherapy Alone  
STARTED     557 [1]   568 [2]
COMPLETED     557     568  
NOT COMPLETED     0     0  
[1] Intent To Treat (ITT) Population
[2] ITT Population



  Baseline Characteristics


  Outcome Measures
  Show All Outcome Measures

1.  Primary:   Overall Survival Time (OS)   [ Time Frame: Time from randomisation to death or last day known to be alive, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]

2.  Secondary:   Progression-free Survival Time   [ Time Frame: Time from randomization to disease progression, death or last tumor assessment, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]

3.  Secondary:   Best Overall Response Rate   [ Time Frame: Evaluations were performed every 6 weeks until progression, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]

4.  Secondary:   Disease Control Rate   [ Time Frame: Evaluations were performed every 6 weeks until progression, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]

5.  Secondary:   Quality of Life (QOL) Assessment European Organisation for the Research and Treatment of Cancer (EORTC) QLQ-C30 Global Health Status   [ Time Frame: at baseline, at cycle 3, at month 6, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]

6.  Secondary:   Quality of Life Assessment (EORTC QLQ-C30) Social Functioning   [ Time Frame: at baseline, at cycle 3, at month 6, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]

7.  Secondary:   A Population Pharmacokinetic (PK) Analysis for Cetuximab in Non-Small Cell Lung Cancer (NSCLC) - Serum Cetuximab Concentrations   [ Time Frame: Week 1, Day 1: baseline and end of infusion; Week 7, Day 43: within 12 h after cetuximab administration. ]

8.  Secondary:   Safety - Number of Patients Experiencing Any Adverse Event   [ Time Frame: time from first dose up to 30 after last dose of study treatment, reported between day of first patient randomised, Oct 2004, until cut-off date 18 Jul 2007 ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
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Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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