Phase II Study for Previously Untreated Subjects With Non Small Cell Lung Cancer (NSCLC) or Small Cell Lung Cancer (SCLC)

irPFS is defined as the time between the randomization date and date of immune-related Progressive Disease (irPD) (at least 25% increase percentage change in total tumor burden, including new lesions) or death, whichever occurs first. For patients with no recorded postbaseline tumor assessments, irPFS is censored at randomization. Participant who die without reported irPD are considered to have progressed on the date of death. For those who remain alive and have no irPD, irPFS is censored on the date of last evaluable tumor assessment. Independent review committee performed tumor assessment.

By mWHO criteria, PFS is defined as the time between the randomization date and the date of progression or death, whichever occurs first. For participants with no recorded postbaseline tumor assessment, PFS was censored at the day of randomization. A participant who died without reported prior progression was considered to have progressed on the date of death. For those who remain alive and have not progressed, PFS was censored on the date of last evaluable tumor assessment. Independent review committee performed tumor assessment.

Overall Survival is defined as the time from the date of randomization until the date of death. For participants who have not died, Overall Survival was censored at the recorded last date of contact; participants with a missing recorded last date of contact were censored at the last date the participant was known to be alive.

mWHO criteria define BORR as the number of patients with best overall response of Complete Response (CR) or Partial Response (PR), divided by the total number of participants in the data set (multiplied by 100 for percentage). CR=Complete disappearance of all index lesions; PR=decrease from baseline of >=50% in the sum of products of the 2 largest perpendicular diameters of all index lesions. Independent review committee performed tumor assessment.

irBORR=number of participants with irBORR of immune-related Complete Response (irCR) or immune-related Partial Response (irPR), divided by total participants in the data set. irCR=Complete disappearance of all index lesions. irPR=Decrease, relative to baseline, of 50% or greater in the sum of the products of the 2 largest perpendicular diameters of all index and of all new measurable lesions. Independent review committee performed the tumor assessments.

irDCR is defined as the proportion of participants whose immune-related best overall response is irPR, irCR, or immune-related Stable Disease (irSD) in the analysis data set. irSD=Does not meet criteria for irCR or irPR, in the absence of progressive disease. By mWHO criteria, DCR is defined as the proportion of participants whose best overall response is PR, CR, or SD in the analysis data set. SD=A decrease or tumor stabilization of 1 or more nonindex lesions. Independent review committee assessed response.

irDoR is defined as the time between the date of response of confirmed irCR or irPR and the date of irPD or death, whichever occurs first. For those participants who remain alive and did progress following response, irDoR was censored on the date of last evaluable tumor assessment. By mWHO criteria, DoR is defined as the time between the date of response of confirmed CR or PR and the date of PD or death, whichever occurs first. For those who remain alive and did not progress following response, DoR was censored on the date of last evaluable tumor assessment.

AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Drug-related=possibly, probably, or certainly related to and of unknown relationship to study drug. Grade (Gr) 1=Mild, Gr 2=Moderate, Gr 3=Severe, Gr 4=Life-threatening or disabling, Gr 5=Death.

CTC, Version 3 used to assess parameters. LLN=lower limit of normal. CTC criteria: ANC=absolute neutrophil count. White blood cells Grade (Gr) 1:<LLN to 3.0*10^9/L, Gr 2:<3.0 to 2.0*10^9/L, Gr 3:<2.0 to 1.0*10^9/L, Gr 4:<1.0*10^9/L. ANC Gr 1:<LLN to 1.5*10^9/L, Gr 2:<1.5 to 1.0*10^9/L, Gr 3:<1.0 to 0.5*10^9/L, Gr 4:<0.5*10^9/L. Platelet count Gr 1:LLN to 75.0*10^9/L, Gr 2:<75.0 to 50.0*10^9/L, Gr 3:<50.0 to 25.0*10^9/L, Gr 4:<25.0 to 10^9/L. Hemoglobin Gr 1:<LLN to 10.0 g/dL, Gr 2:<10.0 to 8.0 g/dL, Gr 3:<8.0 to 6.5 g/dL, Gr 4:<6.5 g/dL.

IRC performed TA.

ULN=Upper limit of normal among all laboratory ranges. ALT=alanine transaminase; AST=aspartate aminotransferase; ALK=alkaline phosphatase. CTC grade criteria: ALT Grade 1:>ULN to 2.5*ULN; Grade 2: >2.5 to 5.0*ULN; Grade 3: >5.0 to 20.0*ULN; Grade 4: >20.0*ULN. AST Grade 1: >ULN to 2.5*ULN; Grade 2: >2.5 to 5.0*ULN; Grade 3: >5.0 to 20.0*ULN; Grade 4: >20.0*ULN. Total bilirubin Grade 1: >ULN to 1.5*ULN; Grade 2: >1.5 to 3.0*ULN; Grade 3: >3.0 to 10.0*ULN; Grade 4: >10.0*ULN. ALK (U/L) G1:>ULN to 2.5*ULN, G2:>2.5 to 5.0*ULN, G3:>5.0 to 20.0*ULN, G4:>20.0*ULN.

Vital signs measurements consisted of systolic and diastolic blood pressure, heart rate, temperature, and respiratory rate. Physical examinations assessed weight, height, performance status, and body surface area.

ULN=upper limit of normal. Lipase (U/L) Gr 1: 1.1 to 1.39*ULN; Gr 2: >1.5 to 2.0*ULN; Gr 3: 2.5 to 5; Gr 4: 5*ULN. Amylase (U/L) Gr 1: >ULN to 1.5*ULN; Grade 2 >1.5 to 2.0*ULN, Grade 3 >2.0 to 5.0*ULN, Grade 4 >5.0*ULN. Creatine (mg/dL) Grade 1: >ULN to 1.5*ULN, Gr 2: 1.5 to 3.0*ULN, Gr 3: >3.0 to 6.0*ULN, Gr 4: >6.0*ULN.

An electrochemilumiluminescent immunoassay was used to detect HAHA antibodies to ipilimumab in human serum. Baseline, either negative or positive, is the maximum of all measurements closest and prior to the first ipilimumab dose. Positive status postbaseline=participants with an increase in HAHA measurement from baseline.

AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Drug-related=possibly, probably, or certainly related to and of unknown relationship to study drug. Grade (Gr) 1=Mild, Gr 2=Moderate, Gr 3=Severe, Gr 4=Life-threatening or disabling, Gr 5=Death.

CTC, Version 3 used to assess parameters. LLN=lower limit of normal. CTC criteria: ANC=absolute neutrophil count. White blood cells Gr 1:<LLN to 3.0*10^9/L, Gr 2:<3.0 to 2.0*10^9/L, Gr 3:<2.0 to 1.0*10^9/L, Gr 4:<1.0*10^9/L. ANC Gr 1:<LLN to 1.5*10^9/L, Gr 2:<1.5 to 1.0*10^9/L, Gr 3:<1.0 to 0.5*10^9/L, Gr 4:<0.5*10^9/L. Platelet count Gr 1:LLN to 75.0*10^9/L, Gr 2:<75.0 to 50.0*10^9/L, Gr 3:<50.0 to 25.0*10^9/L, Gr 4:<25.0 to 10^9/L. Hemoglobin Gr 1:<LLN to 10.0 g/dL, Gr 2:<10.0 to 8.0 g/dL, Gr 3:<8.0 to 6.5 g/dL, Gr 4:<6.5 g/dL.

ALT=alanine aminotransferase; AST=aspartate aminotransferase; ALK=alkaline phosphatase. ULN=Upper limit of normal among all laboratory ranges. CTC grade criteria: ALT Grade 1:>ULN to 2.5*ULN; Grade 2: >2.5 to 5.0*ULN; Grade 3: >5.0 to 20.0*ULN; Grade 4: >20.0*ULN. AST Grade 1: >ULN to 2.5*ULN; Grade 2: >2.5 to 5.0*ULN; Grade 3: >5.0 to 20.0*ULN; Grade 4: >20.0*ULN. Total bilirubin Grade 1: >ULN to 1.5*ULN; Grade 2: >1.5 to 3.0*ULN; Grade 3: >3.0 to 10.0*ULN; Grade 4: >10.0*ULN. ALK (U/L) G1:>ULN to 2.5*ULN, G2:>2.5 to 5.0*ULN, G3:>5.0 to 20.0*ULN, G4:>20.0*ULN.

ULN=upper limit of normal. Lipase (U/L) Grade (Gr) 1: 1.1 to 1.39*ULN; Gr 2: >1.5 to 2.0*ULN; Gr 3: 2.5 to 5; Gr 4: 5*ULN. Amylase (U/L) Gr 1: >ULN to 1.5*ULN; Gr 2 >1.5 to 2.0*ULN, Gr 3 >2.0 to 5.0*ULN, Gr 4 >5.0*ULN. Creatine (mg/dL) Gr 1: >ULN to 1.5*ULN, Gr 2: 1.5 to 3.0*ULN, Gr 3: >3.0 to 6.0*ULN, Gr 4: >6.0*ULN.

By mWHO criteria, PFS is defined as the time between the randomization date and the date of progression or death, whichever occurs first. For participants with no recorded postbaseline tumor assessment, PFS was censored at the day of randomization. A participant who died without reported prior progression was considered to have progressed on the date of death. For those who remain alive and have not progressed, PFS was censored on the date of last evaluable tumor assessment.

Vital signs measurements consisted of systolic and diastolic blood pressure, heart rate, temperature, and respiratory rate. Physical examinations assessed weight, height, performance status, and body surface area.

An electrochemilumiluminescent immunoassay was used to detect HAHA antibodies to ipilimumab in human serum. Baseline, either negative or positive, is the maximum of all measurements closest and prior to the first ipilimumab dose. Positive status postbaseline=participants with an increase in HAHA measurement from baseline.

Overall Survival is defined as the time from the date of randomization until the date of death. For participants who have not died, Overall Survival was censored at the recorded last date of contact; participants with a missing recorded last date of contact were censored at the last date the participant was known to be alive.