This study is a randomized Phase 3, double-blind study of maintenance pemetrexed plus best supportive care versus placebo plus best supportive care in NSCLC. Participants must have received 1 of 6 induction regimens for 4 cycles and did not have progressive disease prior to randomization (enrollment) into this trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
663
500 milligrams per square meter (mg/m\^2), intravenous (IV) administration, every (q) 21 days, until disease progression
IV administration, q 21 days
Treatment without a specific antineoplastic regimen, given with the intent to maximize quality of life, as judged by the treating physician.
Progression-Free Survival (PFS) Time
PFS time was the elapsed time from the date of randomization to the first date of objective progression of disease or death from any cause. PFS was censored at the date of the participant's last tumor assessment for participants who were not known to have died or to have PD as of the data-inclusion cut-off date for analysis. PD, defined using Response Evaluation Criteria in Solid Tumors version 1.0 (RECIST v1.0), was at least a 20% increase in the sum of longest diameter (LD) of target lesions taking as references the smallest sum LD recorded since the treatment started or the appearance of 1 or more new lesions.
Time frame: Randomization to measured PD or death from any cause (up to 41 months)
Overall Survival (OS) Time
OS time was the elapsed time from the date of randomization to the date of death from any cause. OS was censored at the last date of contact for participants who were not known to have died as of the data-inclusion cut-off date for analysis.
Time frame: Randomization to date of death from any cause (up to 41 months)
Time to Objective Progressive Disease (TPD)
TPD was the elapsed time from the date of randomization to the first date of objective PD. TPD was censored at the date of the participant's last tumor assessment for participants who were not known to have PD as of the data-inclusion cut-off date for analysis or who died without objective PD. PD, defined using RECIST v1.0, was at least a 20% increase in the sum of LD of target lesions taking as reference the smallest sum LD recorded since the treatment started or the appearance of 1 or more new lesions.
Time frame: Randomization to measured PD (up to 41 months)
Time to Worsening of Symptoms (TWS)
TWS was the elapsed time from the date of randomization to the first date of worsening \[defined as a 15-millimeter (mm) increase from baseline based on a 100-mm scale\] of each symptom and summary item in the Lung Cancer Symptom Scale (LCSS). The participant-reported LCSS was a 9-item questionnaire. Six items were symptom-specific measures for lung cancer (loss of appetite, fatigue, cough, dyspnea, hemoptysis, and pain), and 3 summation items described total symptomatic distress, interference with activity level, and global quality of life. Participant (pt) responses to each item were measured using visual analogue scales (VAS) from 0 (for best outcome) to 100 (for worst outcome). TWS was censored at the date of the last LCSS assessment for pts who were not known to have LCSS worsening.
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For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Minneapolis, Minnesota, United States
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Portsmouth, New Hampshire, United States
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Pittsburgh, Pennsylvania, United States
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Memphis, Tennessee, United States
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Dallas, Texas, United States
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Marshfield, Wisconsin, United States
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Bankstown, New South Wales, Australia
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Coffs Harbour, New South Wales, Australia
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Kogarah, New South Wales, Australia
For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
Port Macquarie, New South Wales, Australia
...and 63 more locations
Time frame: Randomization to worsening of each LCSS item (up to 39 months)
Percentage of Participants With a Complete Response (CR) or Partial Response (PR) (Objective Tumor Response Rate)
Response was defined using RECIST v1.0 criteria. CR was defined as the disappearance of all target lesions. PR was defined either A) at least a 30% decrease in the sum of the LD of target lesions taking as reference the baseline sum LDs or B) complete disappearance of target lesions, with persistence (but not worsening) of 1 or more nontarget lesions. In either case, no new lesions may have appeared. The percentage of participants with CR or PR=(Number of participants with CR or PR)/(Number of participants assessed)\*100.
Time frame: Baseline to measured PD (up to 41 months)
Number of Participants With Adverse Events (AEs)
Clinically significant events were defined as serious adverse events (SAEs) and other non-serious AEs regardless of causality. A summary of serious and other non-serious AEs, regardless of causality, is located in the Reported Adverse Events module.
Time frame: Baseline to study completion (up to 41 Months)
Maximum Improvement Over Baseline in Individual Symptom Scores and Quality of Life Using the LCSS
The participant-reported LCSS was a 9-item questionnaire. Six items were symptom-specific measures for lung cancer (loss of appetite, fatigue, cough, dyspnea, hemoptysis, and pain), and 3 summation items described total symptomatic distress, interference with activity level, and global quality of life. Participant responses to each item were measured using VAS from 0 (for best outcome) to 100 (for worst outcome). The average symptom burden index (ASBI) was the mean of the 6 symptom-specific items. The LCSS total score was the mean of the 9 items.
Time frame: Baseline through 30 days post discontinuation of study treatment (up to 39 Months)