A Study of Multiple Immunotherapy-Based Treatment Combinations in Patients With Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Cancer (G/GEJ) or Esophageal Cancer (Morpheus-Gastric and Esophageal Cancer)
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ClinicalTrials.gov Identifier: NCT03281369 |
Recruitment Status :
Recruiting
First Posted : September 13, 2017
Last Update Posted : June 8, 2023
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Condition or disease | Intervention/treatment | Phase |
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Gastric Adenocarcinoma or Gastroesophageal Junction Adenocarcinoma or Esophageal Carcinoma | Drug: 5-Fluorouracil (5-FU) Drug: Leucovorin Drug: Oxaliplatin Drug: Atezolizumab Drug: Cobimetinib Biological: Ramucirumab Drug: Paclitaxel Biological: PEGylated recombinant human hyaluronidase (PEGPH20) Drug: BL-8040 Drug: Linagliptin Drug: Cisplatin Drug: Tiragolumab | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 410 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase Ib/II, Open-Label, Multicenter, Randomized, Umbrella Study Evaluating the Efficacy and Safety of Multiple Immunotherapy-Based Treatment Combinations in Patients With Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Cancer or Esophageal Cancer (Morpheus-Gastric and Esophageal Cancer) |
Actual Study Start Date : | October 13, 2017 |
Estimated Primary Completion Date : | August 24, 2024 |
Estimated Study Completion Date : | February 8, 2025 |

Arm | Intervention/treatment |
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Active Comparator: 1L-Control: mFOLFOX6 (Gastric Cancer)
Participants in the 1L Gastric Cancer Control arm will receive modified FOLFOX6 (mFOLFOX6) treatment consisting of 5-fluorouracil (5-FU), leucovorin (folinic acid), and oxaliplatin. Participants who progressed on treatment may have the option of receiving Atezolizumab + Cobimetinib treatment, provided they meet the eligibility criteria. No longer enrolling participants as of June 2018.
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Drug: 5-Fluorouracil (5-FU)
5-FU 2400 milligrams per square meter (mg/m^2) by continuous intravenous (IV) infusion over 46 hours on Days 1 and 2 and Days 15 and 16 of every 28-day cycle. Drug: Leucovorin Leucovorin: 100 mg/m^2 IV over 2 hours on Days 1 and 15 of every 28-day cycle.
Other Name: Folinic acid Drug: Oxaliplatin Oxaliplatin: 100 mg/m^2 administered by IV infusion over 2 hours on Days 1 and 15 of every 28-day cycle. |
Experimental: 1L-A: mFOLFOX6 + Atezo + Cobi (Gastric Cancer)
Participants in the 1L-A Gastric Cancer arm will receive mFOLFOX6 treatment consisting of 5-FU, leucovorin and oxaliplatin in combination with atezolizumab plus cobimetinib. No longer enrolling participants as of June 2018.
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Drug: 5-Fluorouracil (5-FU)
5-FU 2400 milligrams per square meter (mg/m^2) by continuous intravenous (IV) infusion over 46 hours on Days 1 and 2 and Days 15 and 16 of every 28-day cycle. Drug: Leucovorin Leucovorin: 100 mg/m^2 IV over 2 hours on Days 1 and 15 of every 28-day cycle.
Other Name: Folinic acid Drug: Oxaliplatin Oxaliplatin: 100 mg/m^2 administered by IV infusion over 2 hours on Days 1 and 15 of every 28-day cycle. Drug: Atezolizumab Atezolizumab: 840 mg by IV infusion on Days 1 and 15 of every 28-day cycle.
Other Name: Tecentriq Drug: Cobimetinib Cobimetinib: 40 or 60 mg (depending on the recommended dose determined during the safety run-in phase) by mouth once a day on Days 1-21 of every 28-day cycle.
Other Name: Cotellic |
Experimental: 1L-A2: Atezo+mFOLFOX6 followed by Atezo+Cobi (Gastric Cancer)
Participants in the 1L-A2 Gastric Cancer arm will receive mFOLFOX6 treatment consisting of 5-FU, leucovorin and oxaliplatin in combination with atezolizumab during cycles 1 and 2 followed by atezolizumab plus cobimetinib during cycles 3 and beyond. No longer enrolling participants as of June 2018.
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Drug: 5-Fluorouracil (5-FU)
5-FU 2400 milligrams per square meter (mg/m^2) by continuous intravenous (IV) infusion over 46 hours on Days 1 and 2 and Days 15 and 16 of every 28-day cycle. Drug: Leucovorin Leucovorin: 100 mg/m^2 IV over 2 hours on Days 1 and 15 of every 28-day cycle.
Other Name: Folinic acid Drug: Oxaliplatin Oxaliplatin: 100 mg/m^2 administered by IV infusion over 2 hours on Days 1 and 15 of every 28-day cycle. Drug: Atezolizumab Atezolizumab: 840 mg by IV infusion on Days 1 and 15 of every 28-day cycle.
Other Name: Tecentriq Drug: Cobimetinib Cobimetinib: 60 mg by mouth once a day on Days 1-21 of every 28-day cycle
Other Name: Cotellic |
Active Comparator: 2L-Control: Ramucirumab + Paclitaxel (Gastric Cancer)
Participants in the 2L Gastric Cancer Control arm received ramucirumab plus paclitaxel. Participants who progressed on treatment had the option of receiving Atezolizumab + Cobimetinib treatment, provided they met the eligibility criteria. Enrollment completed as of October 2019.
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Biological: Ramucirumab
Ramucirumab: 8 mg/kg administered by IV infusion over 60 minutes on Days 1 and 15 of every 28-day cycle. Drug: Paclitaxel Paclitaxel: 80 mg/m^2 administered by IV infusion on Days 1, 8, and 15 of every 28-day cycle. |
Experimental: 2L-1: Atezo + Cobi (Gastric Cancer)
Participants in the 2L-1 Gastric Cancer arm received atezolizumab in combination with cobimetinib. Enrollment completed as of October 2019.
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Drug: Atezolizumab
Atezolizumab: 840 mg by IV infusion on Days 1 and 15 of every 28-day cycle.
Other Name: Tecentriq Drug: Cobimetinib Cobimetinib: 60 mg by mouth once a day on Days 1-21 of every 28-day cycle
Other Name: Cotellic |
Experimental: 2L-2: Atezo + PEGPH20 (Gastric Cancer)
Participants in the 2L-2 Gastric Cancer arm received atezolizumab in combination with PEGylated recombinant human hyaluronidase (PEGPH20). Participants who progressed on treatment had the option of receiving Atezolizumab + Cobimetinib treatment, provided they met the eligibility criteria. Enrollment completed as of October 2019.
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Biological: PEGylated recombinant human hyaluronidase (PEGPH20)
PEGPH20: 3 micrograms per kilogram (mcg/kg) administered by IV infusion on Days 1, 8, and 15 of every 21-day cycle. Drug: Atezolizumab Atezolizumab: 1200 mg administered by IV infusion on Day 1 of every 21-day cycle
Other Name: Tecentriq |
Experimental: 2L-3: Atezo + BL-8040 (Gastric Cancer)
Participants in the 2L-3 Gastric Cancer arm received atezolizumab in combination with BL-8040. Participants who progressed on treatment had the option of receiving Atezolizumab + Cobimetinib treatment, provided they met the eligibility criteria. Enrollment completed as of October 2019.
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Drug: BL-8040
BL-8040: 1.25 mg/kg administered by subcutaneous (SC) injection on Days 1-5 during the 5-day priming period prior to Cycle 1; 1.25 mg/kg administered by SC injection three times a week (Days 1, 3, 5, 8, 10, 12, 15, 17, and 19 of every 21-day cycle). Drug: Atezolizumab Atezolizumab: 1200 mg administered by IV infusion on Day 1 of every 21-day cycle
Other Name: Tecentriq |
Experimental: 2L-4: Atezo + Linagliptin (Gastric Cancer)
Participants in the 2L-4 Gastric Cancer arm received atezolizumab in combination with linagliptin. Participants who progressed on treatment had the option of receiving Atezolizumab + Cobimetinib treatment, provided they met the eligibility criteria. Enrollment completed as of October 2019.
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Drug: Linagliptin
Linagliptin: 5 mg orally once a day of every 21-day cycle. Drug: Atezolizumab Atezolizumab: 1200 mg administered by IV infusion on Day 1 of every 21-day cycle
Other Name: Tecentriq |
Experimental: 1L-1:Atezo+Tiragolumab+Cisplatin+5FU(Esophageal Cancer Cohort)
Participants in the 1L-1 Esophageal Cancer arm will receive atezolizumab in combination with tiragolumab and chemotherapy.
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Drug: Atezolizumab
Atezolizumab: 1200 mg administered by IV infusion on Day 1 of every 21-day cycle
Other Name: Tecentriq Drug: Cisplatin Cisplatin: 80 mg/m^2 administered by IV infusion on Day 1 of each 21 day cycle. Treatment will be capped after 6 doses. Drug: Tiragolumab Tiragolumab: 600 mg administered by IV infusion on Day 1 of every 21 day cycle.
Other Name: RO7092284 Drug: 5-Fluorouracil (5-FU) 5-FU 800 mg/m^2 administerd by IV infusion on Days 1-5 of each 21 day cycle. |
Experimental: 1L-2: Atezo+Cisplatin+5-FU (Esophageal Cancer Cohort)
Participants in the 1L-2 Esophageal Cancer arm will receive atezolizumab in combination with chemotherapy.
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Drug: Atezolizumab
Atezolizumab: 1200 mg administered by IV infusion on Day 1 of every 21-day cycle
Other Name: Tecentriq Drug: Cisplatin Cisplatin: 80 mg/m^2 administered by IV infusion on Day 1 of each 21 day cycle. Treatment will be capped after 6 doses. Drug: 5-Fluorouracil (5-FU) 5-FU 800 mg/m^2 administerd by IV infusion on Days 1-5 of each 21 day cycle. |
Active Comparator: 1L-Control: Cisplatin+5-FU (Esophageal Cancer Cohort)
Participants in the 1L-Control Eophageal Cancer arm will receive chemotherapy.
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Drug: Cisplatin
Cisplatin: 80 mg/m^2 administered by IV infusion on Day 1 of each 21 day cycle. Treatment will be capped after 6 doses. Drug: 5-Fluorouracil (5-FU) 5-FU 800 mg/m^2 administerd by IV infusion on Days 1-5 of each 21 day cycle. |
Experimental: 1L-3: Atezo+Tiragolumab (Esophageal Cancer Cohort)
Participants in the 1L-3 Esophageal Cancer arm will receive atezolizumab + tiragolumab treatment. Participants from the cisplatin + 5-FU esophageal cancer cohort arm may be permitted to enroll in this arm if they progress after receiving chemotherapy.
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Drug: Atezolizumab
Atezolizumab: 1200 mg administered by IV infusion on Day 1 of every 21-day cycle
Other Name: Tecentriq Drug: Tiragolumab Tiragolumab: 600 mg administered by IV infusion on Day 1 of every 21 day cycle.
Other Name: RO7092284 |
- Percentage of Participants With Objective Response, as Determined by Investigator According to Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1 (v1.1) [ Time Frame: From Randomization until disease progression or loss of clinical benefit (up to approximately 3-6 years) ]
- Percentage of Participants with Adverse Events (AEs) [ Time Frame: From first study treatment administration until 30 days after the last dose or until initiation of new systemic anti-cancer therapy, whichever occurs first (up to approximately 3-6 years) ]
- For Arm 1L-A : Percentage of Participants with Serious and Non-serious Treatment-related AEs [ Time Frame: During the safety run-in phase up to 28 days ]
- Progression-Free Survival (PFS), as Determined by Investigator According to RECIST v1.1 [ Time Frame: From randomization up to the first occurrence of disease (up to approximately 3-6 years) ]
- Overall Survival (OS) [ Time Frame: From randomization up to death from any cause (up to approximately 3-6 years) ]
- Percentage of Participants Who Are Alive at Month 6 and at Month 12 [ Time Frame: Month 6, Month 12 ]
- Duration of Response, as Determined by Investigator According to RECIST v1.1 [ Time Frame: From the date of first occurrence of a documented objective response to disease progression or death from any cause, whichever occurs first (up to approximately 3-6 years) ]
- Percentage of Participants With Disease Control, as Determined by the Investigator per RECIST v1.1 [ Time Frame: From randomization until disease progression or loss of clinical benefit (up to approximately 3-6 years) ]
- Serum Concentration of Atezolizumab [ Time Frame: Pre-infusion (0 hour [hr]), 30 minutes (min) post-infusion (infusion=60 min) on Day 1 of Cycle 1; pre-infusion (0 hr) on Day 1 of Cycles 2, 3, 4, 8, 12, 16 (each cycle=28 days); 30 days and 120 days after last dose (up to approximately 3-6 years) ]
- Plasma Concentration of Cobimetinib [ Time Frame: Prior to cobimetinib dose, 2-4 hr after cobimetinib dose on Day 15 of Cycle 1 (cycle length=28 days) ]
- Plasma Concentration of PEGPH20 [ Time Frame: Pre-infusion (0 hr) on Day 1 of Cycle 1 up to 30 days and 120 days after last dose (up to approximately 3-6 years) (Detailed timeframe is provided in outcome measure description) ]Pre-infusion (0 hr), 5 min and 1-3 hrs post infusion (infusion duration=10-12 min) on Day 1 of Cycle 1; pre-infusion (0 hr) on Days 8 and 15 of Cycle 1, Day 1 of Cycles 3, 4, 8, 12, 16; pre-infusion (0 hr) and 5 min post-infusion on Day 1 of Cycle 2 (each cycle=21 days); 30 days and 120 days after last dose (up to approximately 3-6 years)
- Plasma Concentration of BL-8040 [ Time Frame: Pre-dose (0 hr) on Day 1 of priming period (1 week prior to Day 1 of Cycle 1) up to 30 days after last dose (up to approximately 3-6 years) (Detailed timeframe is provided in outcome measure description) ]Pre-dose (0 hr) on Day 1 of priming period (1 week prior to Day 1 of Cycle 1); 1 hr post-dose on Days 1, 5 of priming period; pre-dose (0 hr), 1 hour post-dose on Day 15 of Cycle 1 and Day 1 of Cycles 2, 3, 4, 8, 12, 16; pre-dose (0 hr) on Day 1 of Cycle 20 and every 4 cycles thereafter (each cycle=21 days) (up to approximately 3-6 years); 30 days after last dose (up to approximately 3-6 years)
- Plasma Concentration of Linagliptin [ Time Frame: 2 hr postdose oral linagliptin on Day 1 of Cycle 1, prior to atezolizumab infusion and predose oral linagliptin on Day 15 of Cycle 1 as well as on Day 1 of Cycles 2, 3, and 4 ]
- Percentage of Participants With Anti-Drug Antibody (ADA) to Atezolizumab [ Time Frame: Pre-infusion (0 hr) on Day 1 of Cycles 1, 2, 3, 4, 8, 12, 16 (each cycle=28 days); 30 days and 120 days after last dose (up to approximately 3-6 years) ]
- Percentage of Participants With ADA to PEGPH20 [ Time Frame: Pre-infusion (0 hr) on Day 1 of Cycles 1, 2, 3, 4, 8, 12, 16 (each cycle=21 days); 30 days and 120 days after last dose (up to approximately 3-6 years) ]
- Percentage of Participants With ADA to BL-8040 [ Time Frame: Pre-dose (0 hr) on Day 1 of priming period (1 week prior to Day 1 of Cycle 1) up to 30 days after last dose (up to approximately 3-6 years) (Detailed timeframe is provided in outcome measure description) ]Pre-dose (0 hr) on Day 1 of priming period (1 week prior to Cycle 1 Day 1), Day 15 of Cycle 1 and Day 1 of Cycles 2, 3, 4, 8, 12, 16, 20 and every 4 cycles thereafter (each cycle=21 days) (up to approximately 3-6 years); 30 days after last dose (up to approximately 3-6 years)

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Gastric Cancer Cohorts Inclusion Criteria:
- Age >/= 18 years;
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1;
- Life expectancy >/= 3 months, as determined by the investigator;
- Histologically or cytologically confirmed locally advanced unresectable or metastatic adenocarcinoma of gastric or gastroesophageal junction; (for the 1L Gastric Cancer Cohort: no prior systemic therapy for the locally advanced or metastatic disease; for the 2L Gastric Cancer Cohort: disease progression during or following a first-line platinum-containing or fluoropyrimidine-containing chemotherapy regimen);
- Availability of a representative tumor specimen that is suitable for determination of PD-L1 and TIGIT levels by IHC and/or additional biomarker status by means of retrospective central testing;
- Only for the 1L Gastric Cancer Cohort: human epidermal growth factor receptor 2 (HER2)-negative tumors;
- Measurable disease (at least one target lesion) according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1);
- Adequate hematologic and end organ function based on laboratory results obtained within 14 days prior to initiation of study treatment;
- For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures as outlined for each specific treatment arm;
- For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures, and agreement to refrain from donating sperm, as outlined for each specific treatment arm.
Esophageal Cancer Cohort Inclusion Criteria:
- Histologically or cytologically confirmed diagnosis of squamous cell carcinoma or adenocarcinoma of the esophagus in locally advanced or metastatic disease;
- No prior systemic treatment for esophageal cancer, with the following exception:
For patients treated with chemotherapy in the locally advanced setting: occurrence of metastasis after 6 months from the last dose of chemotherapy;
- For patients with adenocarcinoma: absence of HER2 expression;
- Life expectancy >/=3 months as determined by the investigator;
- Measurable disease per RECIST v1.1;
- Adequate hematologic and end-organ function;
- For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures, and agreement to refrain from donating eggs;
- For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures, and agreement to refrain from donating sperm;
- ECOG Performance Status of 0, 1, or 2.
Exclusion Criteria:
Exclusion criteria for the 2L Gastric Cancer Cohort:
- Urinary protein is > 1 + on dipstick and the required following 24-hour urine collection shows urinary protein > 2000 mg;
- Serious or non-healing wound, peptic ulcer, or bone fracture within 28 days prior to initiation of study treatment;
- History of gastrointestinal perforation and/or fistulae within 6 months prior to initiation of study treatment;
- Presence of a bowel obstruction, history or presence of inflammatory enteropathy, or extensive intestinal resection, Crohn disease, ulcerative colitis, or chronic diarrhea;
- Uncontrolled arterial hypertension >/= 150/ >/= 90 millimeter of mercury (mmHg) despite standard medical management;
- Chronic therapy with non-steroidal anti-inflammatory agents or other anti-platelet agents.
Gastric Cancer Exclusion Criteria:
- Uncontrolled hypercalcemia or symptomatic hypercalcemia requiring continued use of bisphosphonate therapy;
- Symptomatic, untreated, or actively progressing central nervous system (CNS) metastases;
- History of leptomeningeal disease;
- Active or history of autoimmune disease or immune deficiency;
- History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan;
- Positive test for human immunodeficiency virus (HIV) at screening;
- Active hepatitis B virus (HBV) or hepatitis C (HCV) infection;
- Severe infection within 4 weeks prior to initiation of study treatment;
- Significant cardiovascular disease;
- Significant bleeding disorder;
- Prior allogeneic stem cell or solid organ transplantation;
- Major surgical procedure, other than for diagnosis, within 4 weeks prior to initiation of study treatment, or anticipation of need for a major surgical procedure during the study;
- Treatment with anticoagulation with warfarin, low-molecular-weight heparin, or similar agents for therapeutic purposes;
- History of malignancy other than gastric or gastroesophageal junction carcinoma within 2 years prior to screening, with the exception of those with a negligible risk of metastasis or death;
- Known allergy or hypersensitivity to any of the study drugs or their excipients.
Esophageal Cancer Cohort Exclusion Criteria:
- High risk for developing esophageal fistula by clinical assessment or imaging;
- Symptomatic, untreated, or actively progressing central nervous system (CNS) Metastases;
- Positive EBV viral capsid antigen IgM test at screening;
- History of leptomeningeal disease;
- Active or history of autoimmune disease or immune deficiency;
- History of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan;
- Active tuberculosis;
- Significant cardiovascular disease within 3 months prior to initiation of study treatment, unstable arrhythmia, or unstable angina;
- History of malignancy other than esophageal cancer within 2 years prior to screening, with the exception of malignancies with a negligible risk of metastasis or death;
- Pregnancy or breastfeeding, or intention of becoming pregnant during study treatment or within 5 months after the final dose of atezolizumab or within 90 days after the final dose of tiragolumab.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03281369
Contact: Reference Study ID Number: YO39609 https://forpatients.roche.com/ | 888-662-6728 (U.S. and Canada) | global-roche-genentech-trials@gene.com |

Study Director: | Clinical Trials | Hoffmann-La Roche |
Responsible Party: | Hoffmann-La Roche |
ClinicalTrials.gov Identifier: | NCT03281369 |
Other Study ID Numbers: |
YO39609 2016-004529-17 ( EudraCT Number ) |
First Posted: | September 13, 2017 Key Record Dates |
Last Update Posted: | June 8, 2023 |
Last Verified: | June 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Adenocarcinoma Esophageal Neoplasms Carcinoma Neoplasms, Glandular and Epithelial Neoplasms by Histologic Type Neoplasms Gastrointestinal Neoplasms Digestive System Neoplasms Neoplasms by Site Head and Neck Neoplasms Digestive System Diseases Esophageal Diseases Gastrointestinal Diseases Leucovorin Linagliptin |
Paclitaxel Fluorouracil Oxaliplatin Atezolizumab Ramucirumab Antibodies, Monoclonal Antineoplastic Agents, Phytogenic Antineoplastic Agents Tubulin Modulators Antimitotic Agents Mitosis Modulators Molecular Mechanisms of Pharmacological Action Antimetabolites Antimetabolites, Antineoplastic Immunosuppressive Agents |