A Study In Patients With Non-Small Cell Lung Cancer Testing If Erlotinib Plus SU011248 (Sunitinib) Is Better Than Erlotinib Alone

Overall Survival (OS)

OS was defined as time from date of randomization to date of death due to any cause. OS was calculated as (date of death minus date of randomization plus 1) divided by 30.4. For participants still alive at the time of analysis, OS time was censored on last date that participants were known to be alive.

Time frame: From randomization until death (up to Month 17)

Percentage of Participants Surviving at 1 Year

Percentage of participants alive at 1 year after date of first administration of study medication.

Time frame: From randomization until death (up until Month 17)

Area Under the Curve From Time Zero to 24 Hours [AUC(0-24)] of Erlotinib

AUC0-24=Area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours (0-24) of erlotinib

Time frame: Days 1 and 22 (Cycle 1) at 0, 1, 2, 4, 6, 8, and 24 hours postdose

AUC(0-24) of Sunitinib

AUC0-24=Area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours (0-24) of sunitinib

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, and 24 hours postdose

AUC(0-24) of SU-012662 (Metabolite of Sunitinib)

AUC0-24=Area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours (0-24) of SU-012662 (metabolite of sunitinib)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, and 24 hours postdose

AUC(0-24) of Total Drug (Sunitinib + SU-012662)

AUC0-24=Area under the plasma concentration versus time curve from time zero (pre-dose) to 24 hours (0-24) of total drug (sunitinib + SU-012662)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, and 24 hours postdose

Maximum Observed Plasma Concentration (Cmax) of Erlotinib

Time frame: Days 1 and 22 (Cycle 1) at 0, 1, 2, 4, 6, 8, and 24 hours postdose

Cmax of Sunitinib

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Cmax of SU-012662 (Metabolite of Sunitinib)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Cmax of Total Drug (Sunitinib + SU-012662)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC0-inf) for Erlotinib

AUC (0-inf) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf) for erlotinib. It is obtained from AUC from time zero (pre-dose) to last quantifiable concentration(AUC\[0-t\]) plus AUC from time last quantifiable concentration extrapolated infinite time (AUC\[t-inf\])

Time frame: Days 1 and 22 (Cycle 1) at 0, 1, 2, 4, 6, 8, and 24 hours postdose; predose on Days 22 and 23 (Cycle 1)

AUC(0-inf) for Sunitinib

AUC (0 - inf) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf) for sunitinib. It is obtained from AUC(0-t) plus AUC(t-inf)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose; predose on Days 15, 16, and 17 (Cycle 1)

AUC(0-inf) for SU-012662 (Metabolite of Sunitinib)

AUC(0-inf) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf) for SU-012662 (metabolite of sunitinib). It is obtained from AUC(0-t) plus AUC(t-inf)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose; predose on Days 15, 16, and 17 (Cycle 1)

AUC(0-inf) for Total Drug (Sunitinib + SU-012662)

AUC(0-inf) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf) for total drug (sunitinib + SU-012662). It is obtained from AUC(0-t) plus AUC(t-inf)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose; predose on Days 15, 16, and 17 (Cycle 1)

Plasma Decay Half-life (t1/2) of Erlotinib

Plasma decay half-life is the time measured for the plasma concentration to decrease by one half.

Time frame: Days 1 and 22 (Cycle 1) at 0, 1, 2, 4, 6, 8, and 24 hours postdose

Plasma Decay Half-life (t1/2) of Sunitinib

Plasma decay half-life is the time measured for the plasma concentration to decrease by one half.

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Erlotinib Clearance at Steady State After Oral Administration (CL/F)

Time frame: Day 15 (Cycle 1) at 0, 1, 2, 4, 6, 8, and 24 hours postdose

Sunitinib Clearance at Steady State After Oral Administration (CL/F)

Time frame: Day 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Time to Reach Maximum Observed Plasma Concentration (Tmax) for Erlotinib

Time frame: Days 1 and 22 (Cycle 1) at 0, 1, 2, 4, 6, 8, and 24 hours postdose

Tmax for Sunitinib

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Tmax for SU-012662 (Metabolite of Sunitinib)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Tmax for Total Drug (Sunitinib + SU-012662)

Time frame: Days 1 and 15 of Cycle 1 at 0, 1, 2, 4, 6, 8, 24 and 48 hours postdose

Dose-Corrected Observed Plasma Trough Concentrations (Ctrough) for Erlotinib on Day 1 of Cycles 3-13 (Original and Amended, Arms A and B), and Day 1 of Cycles 1-18 (Randomized)

Ctrough = plasma concentration of erlotinib prior to study drug administration. Dose correction was made to the initial intended dose in Cycle 1. Assessed in the Original and Amended Lead-In (Arms A and B) Cohorts predose on Day 1 (Cycles 3-13) and in the Randomized Cohort (Sunitinib + Erlotinib treatment group only) predose on Day 1 of Cycles 1-18.

Time frame: predose Day 1 (Cycles 3-13); predose Day 1 (Cycles 1-18)

Dose-Corrected Ctrough for Erlotinib on Day 15 Cycle 1 (Original), Day 1 of Cycle 3 (Original and Amended, Arms A and B), and Day 1 of Cycles 1-18 (Randomized)

Ctrough = plasma concentration of erlotinib prior to study drug administration. Dose correction was made to the initial intended dose in Cycle 1. Assessed in the Original Cohort predose on Day 15 (Cycle 1, Time Zero) and Day 1 (Cycle 3), in the Amended Lead-In Cohort (Arms A and B) predose on Day 1 (Cycle 3) and in the Randomized Cohort (Sunitinib + Erlotinib treatment group only) predose on Day 1 of Cycles 1-18.

Time frame: predose Day 15 (Cycle1); predose Day 1 (Cycle 3); predose Day 1 (Cycles 1-18)

Dose-Corrected Ctrough for Sunitinib on Day 1 of Cycles 3-13 (Original and Amended, Arms A and B), and Day 1 of Cycles 1-18 (Randomized)

Ctrough = plasma concentration of sunitinib prior to study drug administration. Dose correction was made to the initial intended dose in Cycle 1. Assessed in the Original and Amended Lead-In (Arms A and B) Cohorts predose on Day 1 (Cycles 3-13) and in the Randomized Cohort (Sunitinib + Erlotinib treatment group only) predose on Day 1 of Cycles 1-18.

Time frame: predose Day 1 (Cycles 3-13); predose Day 1 (Cycles 1-18)

Dose-Corrected Ctrough for Sunitinib on Day 15 Cycle 1 (Original), Day 1 of Cycle 3 (Original and Amended, Arms A and B), and Day 1 of Cycles 1-18 (Randomized)

Ctrough = plasma concentration of sunitinib prior to study drug administration. Dose correction was made to the initial intended dose in Cycle 1. Assessed in the Original Cohort predose on Day 15 (Cycle 1, Time Zero) and Day 1 (Cycle 3), in the Amended Lead-In Cohort (Arms A and B) predose on Day 1 (Cycle 3) and in the Randomized Cohort (Sunitinib + Erlotinib treatment group only) predose on Day 1 of Cycles 1-18.

Time frame: predose Day 15 (Cycle 1) and Day 1 (Cycle 3); predose Day 1 (Cycle 3); predose Day 1 (Cycles 1-18)

Dose-Corrected Ctrough for SU-012662 (Metabolite of Sunitinib) on Day 1 of Cycles 3-13 (Original and Amended, Arms A and B), and Day 1 of Cycles 1-18 (Randomized)

Ctrough = plasma concentration of SU-012662 prior to study drug administration. Dose correction was made to the initial intended dose in Cycle 1. Assessed in the Original and Amended Lead-In (Arms A and B) Cohorts predose on Day 1 (Cycles 3-13) and in the Randomized Cohort (Sunitinib + Erlotinib treatment group only) predose on Day 1 of Cycles 1-18.

Time frame: predose Day 1 (Cycles 3-13); predose Day 1 (Cycles 1-18)

Dose-Corrected Ctrough for SU-012662 (Metabolite of Sunitinib) on Day 15 Cycle 1 (Original), Day 1 of Cycle 3 (Original and Amended, Arms A and B), and Day 1 of Cycles 1-18 (Randomized)

Ctrough = plasma concentration of SU-012662 prior to study drug administration. Dose correction was made to the initial intended dose in Cycle 1. Assessed in the Original Cohort predose on Day 15 (Cycle 1, Time Zero) and Day 1 (Cycle 3), in the Amended Lead-In Cohort (Arms A and B) predose on Day 1 (Cycle 3) and in the Randomized Cohort (Sunitinib + Erlotinib treatment group only) predose on Day 1 of Cycles 1-18.

Time frame: predose Day 15 (Cycle 1) and Day 1 (Cycle 3); predose Day 1 (Cycle 3); predose Day 1 (Cycles 1-18)

Percentage of Participants With Epidermal Growth Factor Receptor (EGFR) Expression by Immunohistochemistry (IHC) Using 0 Percent [%] Cutoff

Percentage of participants with EGFR expression by IHC using a 0% cutoff; Reported as positive, negative, or unmeasured (where positive was greater than 0% of cells demonstrating membranous staining for EGFR). Correlative analysis of EGFR expression was conducted using tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable.

Time frame: Baseline

PFS in Subgroups That Were Defined by EGFR Expression (Using 0% Cutoff)

PFS defined as time in weeks from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in the following subgroups: positive, negative, or unmeasured EGFR expression. EGFR expression was analyzed using a 0% cutoff where positive was greater than 0% of cells demonstrating membranous staining for EGFR. PFS calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants With EGFR Expression by IHC (Using 10% Cutoff)

Percentage of participants with EGFR Expression by IHC using a 10% cutoff; Reported as positive (positive values were defined as being greater than 10% of cells demonstrating membranous staining for EGFR), negative, or unmeasured. Correlative analysis of EGFR expression was conducted using tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable.

Time frame: Baseline

PFS in Subgroups That Were Defined by EGFR Expression (Using 10% Cutoff)

PFS defined as time in weeks from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in the following subgroups: positive, negative, or unmeasured EGFR expression. EGFR expression was analyzed using a 10% cutoff where positive was greater than 10% of cells demonstrating membranous staining for EGFR. PFS calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants With EGFR Gene Copy Number Increase

The number of copies corresponding to exon 19 of the EGFR gene was determined by real-time quantitative polymerase chain reaction (PCR). The percentage of participants with EGFR Gene Copy Number Increase (defined as greater than 4 copies) was determined using deoxyribonucleic acid (DNA) from tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable. Reported as yes, no or unmeasured.

Time frame: Baseline

PFS in Subgroups That Were Defined by EGFR Gene Copy Number Increase

PFS, defined as time from date of randomization to the date of the first documentation of PD or death on-study due to any cause, whichever occurred first, in subgroups that were defined by EGFR gene copy number increase (reported as yes, no, or unmeasured). The number of copies corresponding to exon 19 of the EGFR gene was determined and an increase was defined as greater than 4 copies. PFS was calculated as (first event date minus randomization date plus 1)/7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants With EGFR Gene Amplification

The percentage of participants with EGFR gene amplification (defined as greater than 15) was determined and reported as yes, no, or unmeasured. Correlative analysis of EGFR gene amplification was conducted using tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable.

Time frame: Baseline

PFS in Subgroups That Were Defined by EGFR Gene Amplification

PFS, defined as time from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in subgroups that were defined by EGFR gene amplification (defined as greater than 15) and reported as no or unmeasured. PFS was calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants With EGFR Gene Mutation

Mutations in exons 18 through 21 of the EGFR gene were analyzed by high-performance liquid chromatography using DNA from tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable. The percentage of participants with EGFR mutations categorized as mutated, wild type or indeterminate was reported.

Time frame: Baseline

PFS in Subgroups That Were Defined by EGFR Gene Mutation

PFS, defined as time from date of randomization to date of first documentation of PD or to death on-study due to any cause, whichever occurred first, in subgroups that were defined by EGFR gene mutation (reported as mutated, wild type, or indeterminate). PFS was calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants With KRAS (V-Ki-ras2 Kirsten Rat Sarcoma Viral Oncogene Homolog) Gene Mutations

Mutations in exons 2-3 of the KRAS gene (including codons 12, 13, and 61) were analyzed by high-performance liquid chromatography using DNA from tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable. The percentage of participants with KRAS mutations categorized as mutated, wild type or indeterminate was reported.

Time frame: Baseline

PFS in Subgroups That Were Defined by KRAS Gene Mutation

PFS, defined as time from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in subgroups that were defined by KRAS gene mutation (reported as mutated, wild type, or indeterminate). PFS was calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants With Germline Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) Polymorphisms

Blood samples were collected at baseline for multiplex reverse transcription (RT) analysis of genes expressing proteins that are targets of sunitinib or involved in angiogenesis or tumor growth to determine expression levels. Percentage of participants with germline VEGFR2 single nucleotide polymorphisms (SNPs) was reported for the following genotype frequencies: homozygous C alleles (C/C), T alleles (T/T), G alleles (G/G), or A alleles (A/A), and the following heterozygous genotypes C/T, G/T, T/A, and G/A.

Time frame: Baseline

PFS in Subgroups That Were Defined by Germline VEGFR2 Polymorphisms

PFS, defined as time from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in subgroups that were defined by VEGFR2 polymorphisms. PFS was calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Overall Survival (OS) in Subgroups That Were Defined by Germline VEGFR2 Polymorphisms

OS, defined as time from date of randomization to date of death due to any cause, in subgroups that were defined by VEGFR2 polymorphisms. OS was calculated as (date of death minus date of randomization plus 1) divided by 30.4.

Time frame: From randomization until death (up to Month 17)

Percentage of Participants With Germline Platelet-derived Growth Factor Receptor Beta (PDGFRB) Polymorphisms

Blood samples were collected at baseline for multiplex RT analysis of genes expressing proteins that are targets of sunitinib or involved in angiogenesis or tumor growth to determine expression levels. Percentage of participants with germline PDGFRB SNPs was reported for the following genotype frequencies: homozygous C alleles (C/C), T alleles (T/T), G alleles (G/G), or A alleles (A/A), and the following heterozygous genotypes C/T, A/T, A/G, T/C, T/G, G/C, C/A and G/A.

Time frame: Baseline

PFS in Subgroups That Were Defined by Germline PDGFRB Polymorphisms

PFS, defined as time from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in subgroups that were defined by PDGFRB polymorphisms. PFS was calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

OS in Subgroups That Were Defined by Germline PDGFRB Polymorphisms

OS, defined as time from date of randomization to date of death due to any cause, in subgroups that were defined by PDGFRB polymorphisms. OS was calculated as (date of death minus date of randomization plus 1) divided by 30.4.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Percentage of Participants by Tumor VEGFR Mutation

Percentage of participants with VEGFR mutations in DNA from tumor samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable.

Time frame: Baseline

Correlation of Polymorphisms in Stem Cell Factor Receptor (c-Kit), FMS-like Tyrosine Kinase 3 Receptor (FLT-3), and c-FMS With Blood Counts

A blood sample (6 mL) was collected before on-study treatment and was used to isolate DNA. These samples were not anonymized. Correlation was investigated by the percentage of participants with anemia (based on hemoglobin count), neutropenia (based on neutrophil count) and thrombocytopenia (based on platelet count) endpoints and genetic variation as measured by c-KIT, FLT-3, and c-FMS was to be analyzed.

Time frame: Baseline (Day 1, Cycle 1)

Percentage of Participants by Ribonucleic Acid (RNA) Expression Profile

Includes colony-stimulating factor 1 receptor (CSF-1R), PDGFRalpha, PDGFRbeta, vascular endothelial growth factor (VEGF), VEGF C (VEGF-C), VEGF receptor 1 (VEGFR1), VEGF receptor 2 (VEGFR2), VEGF receptor 3 (VEGFR3), fibroblast growth factor (FGF), FLT-3, KIT (stem cell factor receptor), and RET (rearranged during transfection). Correlative analysis was conducted using tumor biopsy samples collected at the time of initial diagnosis (preferred) or at the time of most recent recurrence/progression, although any time was acceptable.

Time frame: Baseline

PFS in Subgroups That Were Defined by RNA Expression Profile

PFS, defined as time from date of randomization to date of first documentation of PD or death on-study due to any cause, whichever occurred first, in subgroups that were defined by RNA Gene expression (CSF-1R, PDGFRalpha, PDGFRbeta, VEGF, VEGF-C, VEGFR1, VEGFR2, VEGFR3, FGF, FLT-3, KIT, and RET). PFS was calculated as (first event date minus randomization date plus 1) divided by 7.02.

Time frame: From randomization to Weeks 8 and 12, then every 8 weeks until disease progression or death (up to Month 17)

Health Related Quality of Life (HRQoL) and Lung Cancer Related Symptoms as Assessed With European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC-QLQ-C30) Score

EORTC QLQ-C30: self-administered questionnaire assessing global health status/quality of life (QoL), functional domains (physical, role, cognitive, emotional, and social), symptom scales/items (fatigue, pain, nausea and vomiting, dyspnea, insomnia, loss of appetite, constipation, and diarrhea), and financial difficulties. Recall period: past week; response range: not at all (1) to very much (4); global/QoL range: very poor (1) to excellent (7). Scale score range: 0 to 100. Higher functional/global QoL score = better functioning and higher symptom score = greater degree of symptoms.

Time frame: Baseline (Cycle [C] 1, Day [D] 1) to Cycle 18, Day 1

EORTC-QLQ-C30 Lung Cancer Module (LC13) Score

The EORTC-QLQ-C30 LC13 is a self-administered questionnaire assessing specific lung cancer disease related symptoms (dyspnea, coughing, hemoptysis, sore mouth, dysphagia, peripheral neuropathy, alopecia, pain in the chest, arm/shoulder or other parts of the body). Recall period: past week; response range: not at all (1) to very much (4). Scale score range: 0 to 100. Higher symptom score = greater degree of symptoms.

Time frame: Baseline (Cycle 1 [Day 1]) to Cycle 18 (Day 1)

Number of Participants With Blood Pressure (BP) Greater Than 150/100 Millimeters of Mercury (mmHg)

Systolic/diastolic BP measured in triplicate (separated by approximately 2 minutes \[min\]) using validated electronic device (same device for all measurements), recorded to nearest mmHg. Dominant arm used (same one each time) with appropriate cuff size encircling at least 80% of arm. BP measured after 5 min rest and before invasive procedures, while seated in a chair with back supported, arms bared, supported at heart level. No smoking or caffeine use allowed during 30 min before measurement. Number of participants with systolic BP \>150 mmHg/diastolic BP \>100 mmHg at any timepoint postbaseline.

Time frame: Randomization up until Month 17

Number of Participants With BP Greater Than 200/110 mmHg

Systolic/diastolic BP measured in triplicate (separated by approximately 2 minutes \[min\]) using validated electronic device (same device for all measurements), recorded to nearest mmHg. Dominant arm used (same one each time) with appropriate cuff size encircling at least 80% of arm. BP measured after 5 min rest and before invasive procedures, while seated in a chair with back supported, arms bared, supported at heart level. No smoking or caffeine use allowed during 30 min before measurement. Number of participants with systolic BP \>150 mmHg/diastolic BP \>100 mmHg at any timepoint postbaseline.

Time frame: Randomization up until Month 17

Number of Participants on Anti-hypertensive Medications

Number of participants with BP greater than 150/100 mmHg or 200/110 mmHg who were treated with anti-hypertensive medications.

Time frame: Randomization to Day 28 of Cycle 18

Plasma Concentration of VEGF-C at Baseline

Time frame: Baseline (Cycle 1, Day 1)

Plasma Concentration of Soluble VEGFR-2 at Baseline

Time frame: Baseline (Cycle 1, Day 1)

Plasma Concentration of Soluble VEGFR-3 at Baseline

Time frame: Baseline (Cycle 1, Day 1)

Plasma Concentration of Soluble KIT (sKIT) at Baseline

Time frame: Baseline (Cycle 1, Day 1)