To assess the objective response rate (ORR: complete response + partial response \[CR+ PR\]) of E7080 in subjects with unresectable endometrial cancer and disease progression following platinum-based, first-line chemotherapy. .
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
133
Lenvatinib 24 mg administered orally, once daily continuously in 28-day cycles to participants with advanced endometrial cancer and disease progression following first-line chemotherapy. Participants continued to receive study drug until disease progression, development of unacceptable toxicity or withdrawal of consent. 'Treatment interruption and subsequent dose reduction' was allowed for participants who experienced lenvatinib-related toxicity.
Objective Response Rate (ORR)
ORR was defined as the percentage of participants with best overall response (BOR) of complete response (CR) or partial response (PR) based on Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 for target lesions assessed by magnetic resonance imaging/computed tomography (MRI/CT) scans, as determined by independent radiologic review. BOR of CR was confirmed by a subsequent CR assessment at least 4 weeks later. BOR of PR was confirmed by a subsequent CR or PR assessment at least 4 weeks later. CR was defined as disappearance of all target lesions. Any pathological lymph nodes (target or non-target) had to be reduced in short axis to \<10 mm. PR was defined as at least a 30% decrease in sum of diameters of target lesions, taking as reference the baseline sum of diameters. The null hypothesis ORR was ≤10% was tested using 1-sided exact test of a single proportion, at 1-sided 0.05 level. ORR was presented with corresponding 2-sided, 95% confidence interval (CI). ORR=CR+PR
Time frame: From the date of first administration of study treatment until all participants completed a minimum of 6 cycles (28-day cycles) or discontinued treatment prior to the end of Cycle 6 (as of 21 May 2012 data cut-off)
Progression Free Survival (PFS)
PFS was measured as the time from the date of first administration of study treatment until the date of first documentation of disease progression or date of death (whichever occurred first), as determined by independent radiologic review (IRR) and Investigator based on RECIST 1.1. Disease progression per RECIST v1.1 was defined as at least a 20% relative increase and 5 mm absolute increase in the sum of diameters of target lesions (taking as reference the smallest sum on study) recorded since the treatment started or the appearance of 1 or more new lesions.
Time frame: From date of first administration of study treatment until the date of first documentation of disease progression or date of death, if death occurred prior to disease progression or up to approximately 26 months (as of 21 May 2012 data cut-off)
Overall Survival (OS)
OS was the length time in months from the date of first treatment until the date of death from any cause. If death was not observed, OS was censored at the last known alive date or data cut-off. Additional survival follow-up data was collected for all participants who had not withdrawn consent and were alive at the time of the initial survival follow-up as of 26 Nov 2012 data cut-off. Participants who were lost to follow-up at the time of the initial assessment may have been contacted again at the investigator's discretion. Updated survival (based on 26 Nov 2012 cut-off) was derived for these participants if the contact was made successfully.
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Unnamed facility
Phoenix, Arizona, United States
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Scottsdale, Arizona, United States
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Tucson, Arizona, United States
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Los Angeles, California, United States
Unnamed facility
Honolulu, Hawaii, United States
Unnamed facility
Arlington Heights, Illinois, United States
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Niles, Illinois, United States
Unnamed facility
Boston, Massachusetts, United States
Unnamed facility
Detroit, Michigan, United States
Unnamed facility
Burnsville, Minnesota, United States
...and 68 more locations
Time frame: From date of first administration of study treatment until the date of death, or up to approximately 32 months (as of 26 Nov 2012 data cut-off)
Disease Control Rate (DCR)
DCR was defined as the percentage of participants with BOR of CR or PR or stable disease (SD) based on RECIST 1.1 and SD lasting greater than or equal to 7 weeks, as determined by IRR and Investigator.
Time frame: From date of first administration of study treatment until the date of first documentation of disease progression or date of death, if death occurred prior to disease progression, or up to approximately 26 months (as of 21 May 2012 data cut-off)
Clinical Benefit Rate (CBR)
CBR was defined as the percentage of participants with BOR of CR or PR or durable stable disease (dSD) \[CR + PR + dSD\] based on RECIST 1.1. The dSD rate was defined as the percentage of participants with dSD (based on RECIST 1.1 and defined as SD lasting greater than or equal to 23 weeks), as determined by the IRR and Investigator.
Time frame: From date of first administration of study treatment until the date of first documentation of disease progression or date of death, if death occurred prior to disease progression, or up to approximately 26 months (as of 21 May 2012 data cut-off)
Number of Participants With Adverse Events (AEs) /Serious Adverse Events (SAEs) as a Measure of Safety and Tolerability of Lenvatinib Tolerability of Lenvatinib
Safety was assessed by monitoring and recording all AEs and SAEs, regular monitoring of hematology, clinical chemistry, and urine values, regular measurement of vital signs, electrocardiograms (ECGs), and echocardiograms.
Time frame: From the administration of first dose up to 30 days after the last dose, or up to data cut-off (21 May 2012), or up to approximately 26 months.