Non-small Cell Lung Cancer
Conditions
Brief summary
The purpose of this study is to show that tislelizumab will improve overall survival in participants with Stage IIIB or IV non-small cell lung cancer when compared to docetaxel in second or third-line treatment setting.
Detailed description
This is a randomized, open-label, multicenter Phase 3 study in adult participants with histologically confirmed, locally advanced or metastatic (Stage IIIB or IV), NSCLC (squamous or non-squamous) who have disease progression during or after a platinum-containing regimen.
Interventions
Tislelizumab administered by intravenous (IV) infusion
Docetaxel administered as an IV infusion over 1 hour
Sponsors
Study design
Eligibility
Inclusion criteria
Key Inclusion Criteria: 1. Age ≥ 18 years. 2. Signed Informed Consent Form. 3. Histologically confirmed locally advanced or metastatic (Stage IIIB or IV) NSCLC of either squamous or non-squamous histology types with disease progression during or following treatment with at least one platinum-containing regimen, but no more than 2 lines of systemic therapy. 4. Participants must be able to provide fresh or archival tumor tissues for central assessment of PD-L1 expression in tumor cells. Participants with non-squamous histology must provide evidence of not harboring sensitizing epidermal growth factor (EGFR) mutation tested by a histology-based method. 5. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1. 6. Adequate hematologic and end-organ function. 7. Expected life span \> 12 weeks. 8. Willing to be compliance with birth control requirement during pre-specified study participating period Key
Exclusion criteria
1. Prior therapies of docetaxel or treatment targeting programmed cell death protein 1 (PD-1), PD-L1 or cytotoxic T-lymphocyte associated protein 4 (CTLA-4). 2. Harboring EGFR sensitizing mutation or anaplastic lymphoma kinase (ALK) gene translocation. 3. Unresolved side effects of Grade 2 and above from prior anti-cancer therapies, except for adverse events (AEs) not constituting a likely safety risk (e.g. alopecia, rash, pigmentation, specific lab abnormalities). 4. History of severe hypersensitivity reactions to other monoclonal antibodies (mAbs). 5. History of interstitial lung disease, non-infectious pneumonitis or participants with significantly impaired pulmonary function, or who require supplemental oxygen at baseline. 6. With uncontrollable pleural effusion, pericardial effusion, or clinically significant ascites requiring interventional treatment. 7. Active leptomeningeal disease or uncontrolled, untreated brain metastasis. 8. Severe chronic or active infection requiring systemic treatment. 9. Known human immunodeficiency virus (HIV) infection, participants with untreated chronic hepatitis B, active vaccination treatment. 10. Insufficient cardiac functions and other underlying unfavorable cardiovascular conditions. 11. Prior allogeneic stem cell transplantation or organ transplantation. 12. Active autoimmune diseases or history of autoimmune diseases that may relapse. 13. With conditions requiring systemic treatment with either corticosteroids (\>10 mg daily prednisone or equivalent) or other immunosuppressive medications. 14. With severe underlying medical conditions (including laboratory abnormalities) or alcohol or drug abuse that may affect the explanation of drug toxicity or AEs or result in impaired compliance with study conduct. NOTE: Other protocol defined Inclusion/
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Overall Survival (OS) in All Participants (Co-primary Endpoint) | From randomization to the data cutoff date of 10 August 2020; up to 32.4 months | OS was defined as the time from randomization to death from any cause. Median OS was calculated using the Kaplan-Meier method. Data for participants who were not reported as having died at the time of analysis were censored at the date they were last known to be alive. Data for participants who did not have postbaseline information were censored at the date of randomization. |
| Overall Survival (OS) in Programmed Cell Death Protein Ligand-1 (PD-L1)-Positive Participants (Co-primary Endpoint) | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | OS was defined as the time from randomization to death from any cause. Median OS was calculated using the Kaplan-Meier method. Data for participants who were not reported as having died at the time of analysis were censored at the date they were last known to be alive. Data for participants who did not have postbaseline information were censored at the date of randomization. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Duration of Response (DOR) for All Responders | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | DoR was defined as the time from the first documented objective response to documented disease progression as assessed by the investigator using RECIST v1.1, or death from any cause, whichever occurred first. Median DOR was estimated using the Kaplan-Meier method. Progressive Disease (PD): At least a 20% increase in the size of target lesions with an absolute increase of at least 5 mm, or unequivocal progression of existing non-target lesions, or the appearance of any new lesions. |
| Duration of Response (DOR) in PD-L1-Positive Responders | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | DoR was defined as the time from the first documented objective response to documented disease progression as assessed by the investigator using RECIST v1.1, or death from any cause, whichever occurred first. Median DOR was estimated using the Kaplan-Meier method. Progressive Disease (PD): At least a 20% increase in the size of target lesions with an absolute increase of at least 5 mm, or unequivocal progression of existing non-target lesions, or the appearance of any new lesions. |
| Progression-free Survival (PFS) in All Participants | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | PFS was defined as the time from randomization to the first objectively documented disease progression as assessed by the investigator per RECIST v1.1 or death from any cause, whichever occurred first. Median PFS was estimated using the Kaplan-Meier method. |
| Progression-free Survival in PD-L1 Positive Participants | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | PFS was defined as the time from randomization to the first objectively documented disease progression as assessed by the investigator per RECIST v1.1 or death from any cause, whichever occurred first. Median PFS was estimated using the Kaplan-Meier method. |
| Objective Response Rate (ORR) in All Participants | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | Objective response rate is defined as the percentage of participants who had a complete response (CR) or partial response (PR) as assessed by the investigator per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 Tumor assessments included computed tomography (CT) scans or magnetic resonance imaging (MRI), with preference for CT, of the chest, abdomen, and pelvis. CR: Disappearance of all target and non-target lesions and no new lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \< 10 mm. PR: At least a 30% decrease in the size of target lesions and no progression of non-target lesions and no new lesions, or disappearance of all target lesions with persistence of one or more non-target lesion(s) and/or maintenance of tumor marker level above the normal limits and no new lesions. |
| Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Baseline and Cycle 6 (each cycle was 3 weeks) | The EORTC QLQ-LC13 is the lung cancer module of the QLQ-C30 and measures lung cancer-specific disease and treatment symptoms. It includes 13 questions about specific symptoms in which participants respond based on a 4-point scale, where 1 is not at all and 4 is very much. Raw scores are transformed into a 0 to 100 scale via linear transformation. Lower scores indicate an improvement in symptoms. |
| Change From Baseline in European Quality of Life 5-Dimensions, 5-level (EQ-5D-5L) Visual Analogue Scale (VAS) | Baseline and Cycle 6 (each cycle was 3 weeks) | The EQ-5D-5L measures health outcomes using a VAS to record a participant's self-rated health on a scale from 0 to 100, where 100 is 'the best health you can imagine' and 0 is 'the worst health you can imagine.' A higher score indicates better health outcomes. |
| Number of Participants With Treatment-emergent Adverse Events (TEAEs) | From first dose of study drug to 30 days after last dose, up to the study completion date cut-off date of 18 January 2024 (up to approximately 63 months) | An adverse event is defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study drug, whether considered related to study drug or not. The investigator assessed the severity of each AE and graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v4.03 as defined below: * Grade 1: Mild; asymptomatic or mild symptoms; clinical or diagnostic observations only; intervention not indicated. * Grade 2: Moderate; minimal, local or noninvasive intervention indicated; limiting age-appropriate activities of daily living. * Grade 3: Severe or medically significant but not immediately life threatening. hospitalization or prolongation of hospitalization indicated; disabling; limiting selfcare activities of daily living. * Grade 4: Life threatening consequences; urgent intervention indicated. * Grade 5: Death related to AE. |
| Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/Quality of Life (QOL) Score | Baseline and Cycle 6 (each cycle was 3 weeks) | The EORTC QLQ-30 contains 30 questions that incorporate 5 functional scales (physical functioning, role functioning, emotional functioning, cognitive functioning, and social functioning), 1 global health status scale, 3 symptom scales (fatigue, nausea and vomiting, and pain), and 6 single items (dyspnea, insomnia, appetite loss, constipation, diarrhea, and financial difficulties). The participant answers questions about their health during the past week. There are 28 questions answered on a 4-point scale where 1 = Not at all (best) and 4 = Very Much (worst) and two global health quality of life (QOL) questions answered on a 7-point scale where 1 = Very poor and 7 = Excellent. Raw scores are transformed into a 0 to 100 scale via linear transformation. Higher scores in GHS/QoL score indicates better quality of life. |
| Objective Response Rate in PD-L1-Positive Participants | From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months | Objective response rate is defined as the percentage of participants who had a complete response (CR) or partial response (PR) as assessed by the investigator per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 Tumor assessments included computed tomography (CT) scans or magnetic resonance imaging (MRI), with preference for CT, of the chest, abdomen, and pelvis. CR: Disappearance of all target and non-target lesions and no new lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \< 10 mm. PR: At least a 30% decrease in the size of target lesions and no progression of non-target lesions and no new lesions, or disappearance of all target lesions with persistence of one or more non-target lesion(s) and/or maintenance of tumor marker level above the normal limits and no new lesions. |
Countries
Brazil, Bulgaria, China, Lithuania, Mexico, New Zealand, Poland, Russia, Slovakia, Turkey (Türkiye)
Participant flow
Recruitment details
This study was conducted at 109 study centers in 10 countries (China, Brazil, Bulgaria, Lithuania, Mexico, New Zealand, Poland, Russia, Slovakia, and Turkey).
Pre-assignment details
Eligible participants were randomized in a 2:1 ratio to receive either tislelizumab or docetaxel treatment. Randomization was stratified by histology (squamous versus non--squamous), line of therapy (second line versus third line), and programmed cell death protein ligand-1 (PD-L1) expression (≥ 25% tumor cells (TCs) versus \< 25% TCs).
Participants by arm
| Arm | Count |
|---|---|
| Tislelizumab Participants received tislelizumab 200 mg IV once every 3 weeks until disease progression, unacceptable toxicity, or withdrawal of informed consent, whichever occurred first. | 535 |
| Docetaxel Participants received docetaxel 75 mg/m² IV once every 3 weeks until disease progression, unacceptable toxicity, or withdrawal of informed consent, whichever occurred first. | 270 |
| Total | 805 |
Withdrawals & dropouts
| Period | Reason | FG000 | FG001 |
|---|---|---|---|
| Overall Study | Death | 409 | 223 |
| Overall Study | Lost to Follow-up | 13 | 2 |
| Overall Study | Miscellaneous | 33 | 0 |
| Overall Study | Remained on Study | 1 | 0 |
| Overall Study | Study Closed by Sponsor | 66 | 29 |
| Overall Study | Withdrawal by Subject | 13 | 16 |
Baseline characteristics
| Characteristic | Tislelizumab | Docetaxel | Total |
|---|---|---|---|
| Age, Continuous | 60.4 years STANDARD_DEVIATION 8.79 | 60.7 years STANDARD_DEVIATION 8.95 | 60.5 years STANDARD_DEVIATION 8.84 |
| Current Line of Therapy Second line | 453 Participants | 229 Participants | 682 Participants |
| Current Line of Therapy Third line | 82 Participants | 41 Participants | 123 Participants |
| Histology Non-Squamous | 287 Participants | 148 Participants | 435 Participants |
| Histology Squamous | 248 Participants | 122 Participants | 370 Participants |
| PD-L1 Expression < 25% of tumor cells | 307 Participants | 152 Participants | 459 Participants |
| PD-L1 Expression ≥ 25% of tumor cells | 227 Participants | 115 Participants | 342 Participants |
| PD-L1 Expression Missing | 1 Participants | 3 Participants | 4 Participants |
| Race/Ethnicity, Customized American Indian or Alaska Native | 12 Participants | 1 Participants | 13 Participants |
| Race/Ethnicity, Customized Asian | 424 Participants | 219 Participants | 643 Participants |
| Race/Ethnicity, Customized Black or African American | 1 Participants | 3 Participants | 4 Participants |
| Race/Ethnicity, Customized Native Hawaiian or Other Pacific Islander | 3 Participants | 3 Participants | 6 Participants |
| Race/Ethnicity, Customized Other | 2 Participants | 0 Participants | 2 Participants |
| Race/Ethnicity, Customized White | 93 Participants | 44 Participants | 137 Participants |
| Sex: Female, Male Female | 119 Participants | 64 Participants | 183 Participants |
| Sex: Female, Male Male | 416 Participants | 206 Participants | 622 Participants |
| Smoking Status Current | 50 Participants | 20 Participants | 70 Participants |
| Smoking Status Former | 323 Participants | 168 Participants | 491 Participants |
| Smoking Status Never | 162 Participants | 82 Participants | 244 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk |
|---|---|---|
| deaths Total, all-cause mortality | 409 / 535 | 223 / 270 |
| other Total, other adverse events | 498 / 534 | 246 / 258 |
| serious Total, serious adverse events | 192 / 534 | 84 / 258 |
Outcome results
Overall Survival (OS) in All Participants (Co-primary Endpoint)
OS was defined as the time from randomization to death from any cause. Median OS was calculated using the Kaplan-Meier method. Data for participants who were not reported as having died at the time of analysis were censored at the date they were last known to be alive. Data for participants who did not have postbaseline information were censored at the date of randomization.
Time frame: From randomization to the data cutoff date of 10 August 2020; up to 32.4 months
Population: The Intent-to-Treat (ITT) Analysis Set included all randomized patients
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Tislelizumab | Overall Survival (OS) in All Participants (Co-primary Endpoint) | 17.2 months |
| Docetaxel | Overall Survival (OS) in All Participants (Co-primary Endpoint) | 11.9 months |
Overall Survival (OS) in Programmed Cell Death Protein Ligand-1 (PD-L1)-Positive Participants (Co-primary Endpoint)
OS was defined as the time from randomization to death from any cause. Median OS was calculated using the Kaplan-Meier method. Data for participants who were not reported as having died at the time of analysis were censored at the date they were last known to be alive. Data for participants who did not have postbaseline information were censored at the date of randomization.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: The PD-L1-Positive Analysis Set included all randomized patients whose tumors were PD-L1 positive (defined as ≥ 25% of tumor cells with PD-L1 membrane staining).
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Tislelizumab | Overall Survival (OS) in Programmed Cell Death Protein Ligand-1 (PD-L1)-Positive Participants (Co-primary Endpoint) | 19.3 months |
| Docetaxel | Overall Survival (OS) in Programmed Cell Death Protein Ligand-1 (PD-L1)-Positive Participants (Co-primary Endpoint) | 11.5 months |
Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores
The EORTC QLQ-LC13 is the lung cancer module of the QLQ-C30 and measures lung cancer-specific disease and treatment symptoms. It includes 13 questions about specific symptoms in which participants respond based on a 4-point scale, where 1 is not at all and 4 is very much. Raw scores are transformed into a 0 to 100 scale via linear transformation. Lower scores indicate an improvement in symptoms.
Time frame: Baseline and Cycle 6 (each cycle was 3 weeks)
Population: The HRQoL Analysis Set included all randomized participants who received ≥ 1 dose of study drug and completed ≥ 1 HRQoL assessment; participants with available data at baseline and Cycle 6 are included in the analysis.
| Arm | Measure | Group | Value (LEAST_SQUARES_MEAN) |
|---|---|---|---|
| Tislelizumab | Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Coughing Scale | -7.8 score on a scale |
| Tislelizumab | Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Dyspnoea Scale | -1.2 score on a scale |
| Tislelizumab | Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Chest Pain Scale | -0.9 score on a scale |
| Docetaxel | Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Coughing Scale | 0.5 score on a scale |
| Docetaxel | Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Dyspnoea Scale | 2.0 score on a scale |
| Docetaxel | Change From Baseline in EORTC Quality of Life Questionnaire Lung Cancer 13 Items (QLQ-LC13) Coughing, Dyspnoea, and Chest Pain Scores | Chest Pain Scale | 1.3 score on a scale |
Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/Quality of Life (QOL) Score
The EORTC QLQ-30 contains 30 questions that incorporate 5 functional scales (physical functioning, role functioning, emotional functioning, cognitive functioning, and social functioning), 1 global health status scale, 3 symptom scales (fatigue, nausea and vomiting, and pain), and 6 single items (dyspnea, insomnia, appetite loss, constipation, diarrhea, and financial difficulties). The participant answers questions about their health during the past week. There are 28 questions answered on a 4-point scale where 1 = Not at all (best) and 4 = Very Much (worst) and two global health quality of life (QOL) questions answered on a 7-point scale where 1 = Very poor and 7 = Excellent. Raw scores are transformed into a 0 to 100 scale via linear transformation. Higher scores in GHS/QoL score indicates better quality of life.
Time frame: Baseline and Cycle 6 (each cycle was 3 weeks)
Population: The HRQoL Analysis Set included all randomized participants who received ≥ 1 dose of study drug and completed ≥ 1 HRQoL assessment; participants with available data at baseline and Cycle 6 are included in the analysis.
| Arm | Measure | Value (LEAST_SQUARES_MEAN) |
|---|---|---|
| Tislelizumab | Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/Quality of Life (QOL) Score | 2.4 score on a scale |
| Docetaxel | Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) Global Health Status (GHS)/Quality of Life (QOL) Score | -3.4 score on a scale |
Change From Baseline in European Quality of Life 5-Dimensions, 5-level (EQ-5D-5L) Visual Analogue Scale (VAS)
The EQ-5D-5L measures health outcomes using a VAS to record a participant's self-rated health on a scale from 0 to 100, where 100 is 'the best health you can imagine' and 0 is 'the worst health you can imagine.' A higher score indicates better health outcomes.
Time frame: Baseline and Cycle 6 (each cycle was 3 weeks)
Population: The HRQoL Analysis Set included all randomized participants who received ≥ 1 dose of study drug and completed ≥ 1 HRQoL assessment; participants with available data at Baseline and Cycle 6 are included in the analysis.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Tislelizumab | Change From Baseline in European Quality of Life 5-Dimensions, 5-level (EQ-5D-5L) Visual Analogue Scale (VAS) | 1.0 score on a scale | Standard Deviation 11.89 |
| Docetaxel | Change From Baseline in European Quality of Life 5-Dimensions, 5-level (EQ-5D-5L) Visual Analogue Scale (VAS) | 1.7 score on a scale | Standard Deviation 11.36 |
Duration of Response (DOR) for All Responders
DoR was defined as the time from the first documented objective response to documented disease progression as assessed by the investigator using RECIST v1.1, or death from any cause, whichever occurred first. Median DOR was estimated using the Kaplan-Meier method. Progressive Disease (PD): At least a 20% increase in the size of target lesions with an absolute increase of at least 5 mm, or unequivocal progression of existing non-target lesions, or the appearance of any new lesions.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: Participants in the Intent-to-Treat Analysis Set who had an objective response
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Tislelizumab | Duration of Response (DOR) for All Responders | 13.5 months |
| Docetaxel | Duration of Response (DOR) for All Responders | 6.0 months |
Duration of Response (DOR) in PD-L1-Positive Responders
DoR was defined as the time from the first documented objective response to documented disease progression as assessed by the investigator using RECIST v1.1, or death from any cause, whichever occurred first. Median DOR was estimated using the Kaplan-Meier method. Progressive Disease (PD): At least a 20% increase in the size of target lesions with an absolute increase of at least 5 mm, or unequivocal progression of existing non-target lesions, or the appearance of any new lesions.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: Participants in the PD-L1-Positive Analysis Set who had an objective response
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Tislelizumab | Duration of Response (DOR) in PD-L1-Positive Responders | 11.9 months |
| Docetaxel | Duration of Response (DOR) in PD-L1-Positive Responders | 4.2 months |
Number of Participants With Treatment-emergent Adverse Events (TEAEs)
An adverse event is defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study drug, whether considered related to study drug or not. The investigator assessed the severity of each AE and graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v4.03 as defined below: * Grade 1: Mild; asymptomatic or mild symptoms; clinical or diagnostic observations only; intervention not indicated. * Grade 2: Moderate; minimal, local or noninvasive intervention indicated; limiting age-appropriate activities of daily living. * Grade 3: Severe or medically significant but not immediately life threatening. hospitalization or prolongation of hospitalization indicated; disabling; limiting selfcare activities of daily living. * Grade 4: Life threatening consequences; urgent intervention indicated. * Grade 5: Death related to AE.
Time frame: From first dose of study drug to 30 days after last dose, up to the study completion date cut-off date of 18 January 2024 (up to approximately 63 months)
Population: The Safety Analysis Set included all randomized patients who received ≥ 1 dose of study drug.
| Arm | Measure | Group | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|---|
| Tislelizumab | Number of Participants With Treatment-emergent Adverse Events (TEAEs) | Any TEAE | 518 Participants |
| Tislelizumab | Number of Participants With Treatment-emergent Adverse Events (TEAEs) | ≥ Grade 3 TEAE | 233 Participants |
| Docetaxel | Number of Participants With Treatment-emergent Adverse Events (TEAEs) | Any TEAE | 254 Participants |
| Docetaxel | Number of Participants With Treatment-emergent Adverse Events (TEAEs) | ≥ Grade 3 TEAE | 193 Participants |
Objective Response Rate in PD-L1-Positive Participants
Objective response rate is defined as the percentage of participants who had a complete response (CR) or partial response (PR) as assessed by the investigator per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 Tumor assessments included computed tomography (CT) scans or magnetic resonance imaging (MRI), with preference for CT, of the chest, abdomen, and pelvis. CR: Disappearance of all target and non-target lesions and no new lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \< 10 mm. PR: At least a 30% decrease in the size of target lesions and no progression of non-target lesions and no new lesions, or disappearance of all target lesions with persistence of one or more non-target lesion(s) and/or maintenance of tumor marker level above the normal limits and no new lesions.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: The PD-L1-Positive Analysis Set included all randomized patients whose tumors were PD-L1 positive (defined as ≥ 25% of tumor cells with PD-L1 membrane staining).
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Tislelizumab | Objective Response Rate in PD-L1-Positive Participants | 37.4 percentage of participants |
| Docetaxel | Objective Response Rate in PD-L1-Positive Participants | 7.0 percentage of participants |
Objective Response Rate (ORR) in All Participants
Objective response rate is defined as the percentage of participants who had a complete response (CR) or partial response (PR) as assessed by the investigator per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 Tumor assessments included computed tomography (CT) scans or magnetic resonance imaging (MRI), with preference for CT, of the chest, abdomen, and pelvis. CR: Disappearance of all target and non-target lesions and no new lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \< 10 mm. PR: At least a 30% decrease in the size of target lesions and no progression of non-target lesions and no new lesions, or disappearance of all target lesions with persistence of one or more non-target lesion(s) and/or maintenance of tumor marker level above the normal limits and no new lesions.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: Intent-to-Treat Analysis Set
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Tislelizumab | Objective Response Rate (ORR) in All Participants | 22.6 percentage of participants |
| Docetaxel | Objective Response Rate (ORR) in All Participants | 7.0 percentage of participants |
Progression-free Survival in PD-L1 Positive Participants
PFS was defined as the time from randomization to the first objectively documented disease progression as assessed by the investigator per RECIST v1.1 or death from any cause, whichever occurred first. Median PFS was estimated using the Kaplan-Meier method.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: PD-L1 Positive Analysis Set
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Tislelizumab | Progression-free Survival in PD-L1 Positive Participants | 6.5 months |
| Docetaxel | Progression-free Survival in PD-L1 Positive Participants | 2.5 months |
Progression-free Survival (PFS) in All Participants
PFS was defined as the time from randomization to the first objectively documented disease progression as assessed by the investigator per RECIST v1.1 or death from any cause, whichever occurred first. Median PFS was estimated using the Kaplan-Meier method.
Time frame: From randomization up to the final efficacy analysis data cut-off date of 15 July 2021; Up to 43 months
Population: Intent-to-Treat Analysis Set
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Tislelizumab | Progression-free Survival (PFS) in All Participants | 4.2 months |
| Docetaxel | Progression-free Survival (PFS) in All Participants | 2.6 months |