Name | Type | Description | Interventions |
---|
Phase Ia Dose-Escalation Stage: Tiragolumab | Experimental | Cohorts of at least 3 participants each will be treated with escalating doses of tiragolumab. | |
Phase Ia Dose-Expansion Stage: Tiragolumab | Experimental | Participants will be treated with tiragolumab at or below the maximum tolerated dose (MTD) or maximum administered dose (MAD) in the study. | |
Phase Ib Q3W Dose-Escalation Stage: Tiragolumab+Atezolizumab | Experimental | A minimum of 3 participants will be treated for each dose level of tiragolumab in combination with a fixed dose of atezolizumab with tiragolumab being administered prior to atezolizumab. | |
Phase Ib Q3W Dose-Expansion Stage: Tiragolumab+Atezolizumab | Experimental | Participants will be treated every 3 weeks (Q3W) with tiragolumab at or below the MTD or MAD in combination with a fixed dose of atezolizumab with tiragolumab being administered prior to atezolizumab. | |
Phase Ib Chemotherapy Dose-Expansion Stage: Cohort A | Experimental | In Cohort A, carboplatin or cisplatin and pemetrexed chemotherapy will be administered after atezolizumab and tiragolumab intravenous (IV) infusion. During induction phase, participants will receive atezolizumab and tiragolumab in combination with carboplatin or cisplatin and pemetrexed on Day 1 of each 21-day cycle for 4 to 6 cycles. During maintenance phase, participants will receive atezolizumab and tiragolumab in combination with pemetrexed on Day 1 of each 21-day cycle. | - Atezolizumab
- Tiragolumab
- Carboplatin
- Cisplatin
- Pemetrexed
|
Phase Ib Chemotherapy Dose-Expansion Stage: Cohort B | Experimental | In Cohort B, carboplatin and paclitaxel chemotherapy will be administered after atezolizumab and tiragolumab IV infusion. During induction phase, participants will receive atezolizumab and tiragolumab in combination with carboplatin and paclitaxel on Day 1 of each 21-day cycle for 4 to 6 cycles. During maintenance phase, participants will receive atezolizumab and tiragolumab on Day 1 of each 21-day cycle (participants enrolled under protocol version 4) or Day 1 of each 28-day cycle (participants enrolled under protocol version 5). | - Atezolizumab
- Tiragolumab
- Carboplatin
- Paclitaxel
|
Phase Ib Chemotherapy Dose-Expansion Stage: Cohort C | Experimental | In Cohort C, carboplatin or cisplatin and etoposide chemotherapy will be administered after atezolizumab and tiragolumab IV infusion. During induction phase, participants will receive atezolizumab and tiragolumab in combination with carboplatin or cisplatin on Day 1 of each 21-day cycle and etoposide on Day 1 to 3 of each 21-day cycle for 4 cycles. During maintenance phase, participants will receive atezolizumab and tiragolumab on Day 1 of each 28-day cycle. | - Atezolizumab
- Tiragolumab
- Carboplatin
- Cisplatin
- Etoposide
|
Phase Ib Chemotherapy Dose-Expansion Stage: Cohort D | Experimental | In Cohort D, participants will receive atezolizumab and tiragolumab on Day 1 and capecitabine on Day 1-14 of each 21-day cycle. | - Atezolizumab
- Tiragolumab
- Capecitabine
|
Phase Ib Q4W Sequential Dose-Expansion Stage: Tiragolumab+Atezolizumab | Experimental | Participants will be treated every 4 weeks (Q4W) with fixed doses of tiragolumab and atezolizumab with tiragolumab being administered prior to atezolizumab. | |
Phase Ib Q4W Coinfusion Expansion Cohort Tiragolumab+Atezolizumab | Experimental | Participants will be treated Q4W with fixed doses of tiragolumab and atezolizumab mixed and administered in one IV bag. | |
Phase Ib Non-Chemotherapy Dose-Expansion Stage: Cohort NC1 | Experimental | In Cohort NC1, participants will receive atezolizumab and tiragolumab in combination with bevacizumab on Day 1 of each 21-day cycle. | - Atezolizumab
- Tiragolumab
- Bevacizumab
|
Phase Ib Non-Chemotherapy Dose-Expansion Stage: Cohort NC2 | Experimental | In Cohort NC2, participants will receive tiragolumab in combination with pembrolizumab on Day 1 of each 21-day cycle. | |