Name | Type | Description | Interventions |
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Cohort 1: Control (Nab-Paclitaxel and Gemcitabine) | Active Comparator | Cohort 1: Participants will receive Nab-Paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; and Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle.
Participants in the Cohort 1 control arm who experience disease progression will be given the option of enrolling into Cohort 2 (if open for enrollment), provided they meet eligibility criteria. | - Nab-Paclitaxel
- Gemcitabine
|
Cohort 1: Atezolizumab + Chemotherapy + Selicrelumab | Experimental | Cohort 1: Participants will receive Atezolizumab 840 mg IV infusion on Days 1 and 15 of each 28 day cycle; Nab-paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; and Selicrelumab 16 mg subcutaneous injection on Day 1 of Cycles 1-4 and every third cycle thereafter (i.e. Cycles 7, 10, 13 etc.) of each 28-day cycle. | - Nab-Paclitaxel
- Gemcitabine
- Atezolizumab
- Selicrelumab
|
Cohort 1: Atezolizumab + Chemotherapy + Bevacizumab | Experimental | Cohort 1: Participants will receive Atezolizumab 840 mg IV infusion on Days 1 and 15 of each 28 day cycle; Bevacizumab 10 mg/kg IV infusion on Days 1 and 15 of each 28 day cycle; Nab-paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle. | - Nab-Paclitaxel
- Gemcitabine
- Atezolizumab
- Bevacizumab
|
Cohort 1: Atezolizumab + Chemotherapy + AB928 | Experimental | Cohort 1: Participant will receive AB928 150 mg orally once daily on Days 1 to 28 of each 28 day cycle; Atezolizumab 840 mg IV infusion on Days 1 and 15 of each 28 day cycle; Nab-paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle. | - Nab-Paclitaxel
- Gemcitabine
- Atezolizumab
- AB928
|
Cohort 1: Atezolizumab + Chemotherapy + Tiragolumab | Experimental | Cohort 1: Participants will receive Atezolizumab 840 mg IV infusion on Days 1 and 15 of each 28 day cycle; Tiragolumab 420 mg IV infusion on Days 1 and 15 of each 28 day cycle; Nab-paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle. | - Nab-Paclitaxel
- Gemcitabine
- Atezolizumab
- Tiragolumab
|
Cohort 2: Atezolizumab + Cobimetinib | Experimental | Cohort 2: Participants will receive Cobimetinib 60 milligrams (mg) once daily orally on Days 1-21 of each 28-day cycle; and Atezolizumab 840 mg IV infusion on Days 1 and 15 of each 28-day cycle.
Participants who progressed on treatment may have the option of receiving Atezolizumab + RO6874281 treatment, provided they meet the eligibility criteria and the arm is open for enrollment. | |
Cohort 2: Atezolizumab + PEGPH20 | Experimental | Cohort 2: Participants will receive PEGPH20 3 micrograms per kilogram (mcg/kg) IV infusion on Days 1, 8 and 15 of each 21-day cycle; and Atezolizumab 1200 mg IV infusion on Day 1 of each 21-day cycle.
Participants who progressed on treatment, may have the option of receiving Atezolizumab + Cobimetinib or Atezolizumab + RO6874281 treatment, provided they meet the eligibility criteria and the arms are open for enrollment. | |
Cohort 2: Atezolizumab + BL-8040 | Experimental | Cohort 2: Participants will receive BL-8040 1.25 milligrams per kilogram (mg/kg) subcutaneously (SC) on Days 1-5 of the first week, followed by combination treatment consisting of BL-8040 1.25 mg/kg SC three times a week on non-consecutive days and Atezolizumab 1200 mg IV infusion on Day 1 of each 21-day cycle.
Participants who progressed on treatment may have the option of receiving Atezolizumab + Cobimetinib or Atezolizumab + RO6874281 treatment, provided they meet the eligibility criteria and the arms are open for enrollment. | |
Cohort 2: Atezolizumab + RO6874281 every 2 weeks | Experimental | Cohort 2: Participants will receive Atezolizumab 840 mg IV infusion on days 1 and 15 of each 28 day cycle; RO6874281 will be administered 10 mg by IV infusion on day 1 and 15 mg on days 8, 15, and 22 for cycle 1 (28 day cycle). RO6874281 will be administered 15 mg by IV infusion on days 1 and 15 of each subsequent 28 day cycle.
Participants who progressed on treatment may have the option of receiving Atezolizumab + Cobimetinib, provided they meet the eligibility criteria and the arm is open for enrollment. | |
Cohort 2: Atezolizumab + RO6874281 every 3 weeks | Experimental | Cohort 2: Participants will receive Atezolizumab 1200 mg IV infusion on Day 1 of each 21 day cycle; and RO6874281 10 mg by IV infusion on day 1 of each 21 day cycle.
Participants who progressed on treatment may have the option of receiving Atezolizumab + Cobimetinib, provided they meet the eligibility criteria and the arm is open for enrollment. | |
Cohort 2: Control (Nab-Paclitaxel and Gemcitabine or mFOLFOX6) | Active Comparator | Cohort 2: Participants who progressed on a prior fluoropyrimidine-based regimen will receive Nab-paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; and Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle.
Participants who progressed on a prior gemcitabine-based regimen will receive 5-fluorouracil, leucovorin, and oxaliplatin (mFOLFOX6). Participants will receive Oxaliplatin 85 mg/m^2 IV on Days 1 and 15 of each 28 day cycle; Leucovorin 400 mg/m^2 IV on Days 1 and 15 of each 28 day cycle; Fluorouracil 400 mg/m^2 IV push on Days 1 and 15 of each 28 day cycle; and Fluorouracil 2400 mg/m^2 IV continuous infusion over 46 hours on Days 1 and 2 and on Days 15 and 16 of each 28 day cycle.
Participants who progressed on treatment, may have the option of receiving Atezolizumab + Cobimetinib or Atezolizumab + RO6874281 treatment, provided they meet the eligibility criteria and the arms are open for enrollment. | - Nab-Paclitaxel
- Gemcitabine
- Oxaliplatin
- Leucovorin
- Fluorouracil
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Cohort 1: Atezolizumab + Chemotherapy + Tocilizumab | Experimental | Cohort 1: Participants will receive Tocilizumab 8 mg/kg IV infusion on Day 1 of each 28 day cycle; Atezolizumab 1680 mg IV infusion on Day 1 of each 28 day cycle; Nab-paclitaxel 125 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle; and Gemcitabine 1000 mg/m^2 IV infusion on Days 1, 8, and 15 of each 28 day cycle. | - Nab-Paclitaxel
- Gemcitabine
- Atezolizumab
- Tocilizumab
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