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Clinical Trials/NCT04949256
NCT04949256
Active, not recruiting
Phase 3

A Phase 3, Randomized Study to Evaluate the Efficacy and Safety of Pembrolizumab (MK-3475) + Lenvatinib (E7080/MK-7902) + Chemotherapy Compared With Standard of Care as First-line Intervention in Participants With Metastatic Esophageal Carcinoma

Merck Sharp & Dohme LLC198 sites in 5 countries864 target enrollmentJuly 28, 2021

Overview

Phase
Phase 3
Intervention
Pembrolizumab
Conditions
Metastatic Esophageal Squamous Cell Carcinoma
Sponsor
Merck Sharp & Dohme LLC
Enrollment
864
Locations
198
Primary Endpoint
Part 1 (FP and TP Safety Run-in): Number of Participants With Dose Limiting Toxicities (DLTs)
Status
Active, not recruiting
Last Updated
4 months ago

Overview

Brief Summary

The purpose of this study is to assess the efficacy and safety of pembrolizumab plus lenvatinib plus chemotherapy compared with pembrolizumab plus chemotherapy as first-line intervention in participants with metastatic esophageal carcinoma.

The primary hypotheses are that pembrolizumab plus lenvatinib plus chemotherapy is superior to pembrolizumab plus chemotherapy with respect to overall survival (OS) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) by blinded independent central review (BICR).

As of Amendment 09, Study MK-7902-014 will begin close out activities. Any participant who discontinues study intervention for any reason will be discontinued from the study without further follow-up. Second Course and treatment beyond disease progression will no longer be offered. No safety concerns contributed to the termination of this study.

Detailed Description

There will be 2 parts to the study: the cisplatin and 5-fluorouracil (5-FU) (FP) and paclitaxel and cisplatin (TP) Safety Run-in (Part 1) and the Main Study (Part 2). In Part 1 (FP and TP Safety Run-in), participants will be treated with pembrolizumab plus lenvatinib plus FP or TP. Dose-limiting toxicities, safety, and tolerability will be assessed. In Part 2 (Main Study), participants (not including those participating in Part 1) will be treated with pembrolizumab plus lenvatinib plus chemotherapy or pembrolizumab plus chemotherapy. Efficacy, safety, and tolerability will be assessed.

Registry
clinicaltrials.gov
Start Date
July 28, 2021
End Date
June 12, 2026
Last Updated
4 months ago
Study Type
Interventional
Study Design
Parallel
Sex
All

Investigators

Responsible Party
Sponsor

Eligibility Criteria

Inclusion Criteria

  • Has a histologically or cytologically confirmed diagnosis of metastatic squamous cell carcinoma of the esophagus
  • Male participants are abstinent from heterosexual intercourse or agree to use contraception during the intervention period and for at least 7 days after the last dose of lenvatinib or 90 days after the last dose of chemotherapy, whichever comes last; 7 days after lenvatinib is stopped, if the participant is on pembrolizumab only and is greater than 90 days post chemotherapy, no male contraception is needed
  • Female participant is not pregnant or breastfeeding and is not a woman of childbearing potential (WOCBP) or is a WOCBP using a contraceptive method that is highly effective or is abstinent from heterosexual intercourse as their preferred and usual lifestyle during the intervention period and for at least 120 days after the last dose of pembrolizumab, 30 days after the last dose of lenvatinib, or 180 days after the last dose of chemotherapy, whichever occurs last, and agrees not to donate eggs during this period
  • Has adequately controlled blood pressure (BP) with or without antihypertensive medications, defined as BP≤150/90 millimeters of mercury (mm Hg) with no change in antihypertensive medications within 1 week prior to randomization
  • Has adequate organ function

Exclusion Criteria

  • Has had previous therapy for locally advanced unresectable or metastatic esophageal cancer
  • Has locally advanced esophageal carcinoma
  • Has metastatic adenocarcinoma of the esophagus
  • Has direct invasion into adjacent organs such as the aorta or trachea
  • Has radiographic evidence of encasement of a major blood vessel, or of intratumoral cavitation
  • Has perforation risks or significant gastrointestinal (GI) bleeding
  • Has had clinically significant hemoptysis within 3 weeks prior to the first dose of study drug or tumor bleeding within 2 weeks prior to the first dose of study intervention
  • Has uncontrollable pleural effusion, pericardial effusion, or ascites requiring frequent drainage or medical intervention
  • Has GI obstruction, poor oral intake, difficulty in taking oral medication, or existing esophageal stent
  • Has had major surgery, open biopsy, or significant traumatic injury within 3 weeks prior to first dose of study interventions

Arms & Interventions

Part 1: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Pembrolizumab

Part 1: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Lenvatinib

Part 1: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Cisplatin

Part 1: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: 5-FU

Part 1: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Paclitaxel

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Pembrolizumab

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Lenvatinib

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Cisplatin

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: 5-FU

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Oxaliplatin

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Leucovorin

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Levoleucovorin

Part 2: Pembrolizumab + Lenvatinib + Chemotherapy

In the Induction phase, participants receive pembrolizumab 400mg intravenously (IV) every 6 weeks (Q6W) for 2 cycles (each cycle length = 6 weeks) plus Lenvatinib 8 mg orally (PO) once daily (QD) plus chemotherapy with FP (cisplatin 80 mg/m\^2 and 5-FU 4000 mg/m\^2) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2) IV every 3 weeks for 4 administrations or mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2, and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] once every 2 weeks \[Q2W\] for 6 administrations at the investigator's discretion (approximately 12 weeks). In the Consolidation phase, participants receive pembrolizumab 400 mg IV Q6W for 16 cycles (each cycle length = 6 weeks) and Lenvatinib 20 mg PO until progressive disease or discontinuation (approximately 96 weeks).

Intervention: Paclitaxel

Part 2: Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 400 mg IV every 6 weeks for 18 cycles (each cycle length = 6 weeks, approximately 2 years) plus chemotherapy with FP (cisplatin 80 mg/m\^2 IV Q3W for up to 6 administrations \[up to \~18 weeks\] and 5-FU 4000 mg/m\^2 IV Q3W for up to 35 administrations \[up to \~2 years\]) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2 Q3W for up 6 administrations \[up to \~18 weeks\]) or in combination with mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2 and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] IV Q2W for up to 52 administrations \[approximately 2 years\]).

Intervention: Pembrolizumab

Part 2: Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 400 mg IV every 6 weeks for 18 cycles (each cycle length = 6 weeks, approximately 2 years) plus chemotherapy with FP (cisplatin 80 mg/m\^2 IV Q3W for up to 6 administrations \[up to \~18 weeks\] and 5-FU 4000 mg/m\^2 IV Q3W for up to 35 administrations \[up to \~2 years\]) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2 Q3W for up 6 administrations \[up to \~18 weeks\]) or in combination with mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2 and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] IV Q2W for up to 52 administrations \[approximately 2 years\]).

Intervention: 5-FU

Part 2: Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 400 mg IV every 6 weeks for 18 cycles (each cycle length = 6 weeks, approximately 2 years) plus chemotherapy with FP (cisplatin 80 mg/m\^2 IV Q3W for up to 6 administrations \[up to \~18 weeks\] and 5-FU 4000 mg/m\^2 IV Q3W for up to 35 administrations \[up to \~2 years\]) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2 Q3W for up 6 administrations \[up to \~18 weeks\]) or in combination with mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2 and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] IV Q2W for up to 52 administrations \[approximately 2 years\]).

Intervention: Oxaliplatin

Part 2: Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 400 mg IV every 6 weeks for 18 cycles (each cycle length = 6 weeks, approximately 2 years) plus chemotherapy with FP (cisplatin 80 mg/m\^2 IV Q3W for up to 6 administrations \[up to \~18 weeks\] and 5-FU 4000 mg/m\^2 IV Q3W for up to 35 administrations \[up to \~2 years\]) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2 Q3W for up 6 administrations \[up to \~18 weeks\]) or in combination with mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2 and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] IV Q2W for up to 52 administrations \[approximately 2 years\]).

Intervention: Leucovorin

Part 2: Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 400 mg IV every 6 weeks for 18 cycles (each cycle length = 6 weeks, approximately 2 years) plus chemotherapy with FP (cisplatin 80 mg/m\^2 IV Q3W for up to 6 administrations \[up to \~18 weeks\] and 5-FU 4000 mg/m\^2 IV Q3W for up to 35 administrations \[up to \~2 years\]) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2 Q3W for up 6 administrations \[up to \~18 weeks\]) or in combination with mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2 and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] IV Q2W for up to 52 administrations \[approximately 2 years\]).

Intervention: Levoleucovorin

Part 2: Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 400 mg IV every 6 weeks for 18 cycles (each cycle length = 6 weeks, approximately 2 years) plus chemotherapy with FP (cisplatin 80 mg/m\^2 IV Q3W for up to 6 administrations \[up to \~18 weeks\] and 5-FU 4000 mg/m\^2 IV Q3W for up to 35 administrations \[up to \~2 years\]) or TP (paclitaxel 175 mg/m\^2 and cisplatin 75 mg/m\^2 Q3W for up 6 administrations \[up to \~18 weeks\]) or in combination with mFOLFOX6 (oxaliplatin 85 mg/m\^2, 5-FU 400 mg/m\^2 followed by 2400 mg/m\^2 and leucovorin 400 mg/m\^2 \[or levoleucovorin 200 mg/m\^2\] IV Q2W for up to 52 administrations \[approximately 2 years\]).

Intervention: Paclitaxel

Outcomes

Primary Outcomes

Part 1 (FP and TP Safety Run-in): Number of Participants With Dose Limiting Toxicities (DLTs)

Time Frame: Up to ~21 days

Hematologic DLTs are defined as Grade 4 neutropenia lasting for ≥7 days, Grade 3 or Grade 4 febrile neutropenia, Grade 3 thrombocytopenia with bleeding, Grade 4 thrombocytopenia, or Grade 4 anemia. Other nonhematologic toxicities considered a DLT include any other Grade 4 or Grade 5 toxicity, Grade 3 toxicities lasting \>3 days (excluding nausea, vomiting, and diarrhea controlled by medical intervention within 72 hours, and Grade 3 rash in the absence of desquamation with no mucosal involvement), Grade 3 hypertension not able to be controlled by medication, ≥Grade 3 gastrointestinal perforation, ≥Grade 3 wound dehiscence requiring medical or surgical intervention, any grade thromboembolic event or any Grade 3 nonhematologic laboratory value requiring medical intervention or hospitalization. The number of participants in Part 1 with DLTs will be presented.

Part 2 (Main Study): Overall Survival (OS) in all Participants

Time Frame: Up to ~48 months

OS is defined as the time from randomization to death due to any cause. OS in Part 2 for all randomized participants will be presented.

Part 1 (FP and TP Safety Run-in): Number of Participants With Adverse Events (AEs)

Time Frame: Up to ~53 months

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The number of participants in Part 1 with AEs will be presented.

Part 1 (FP and TP Safety Run-in): Number of Participants who Discontinued Study Treatment Due to an AE

Time Frame: Up to ~53 months

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The number of participants in Part 1 who discontinue study treatment due to an AE will be presented.

Secondary Outcomes

  • Part 2 (Main Study): Progression-free Survival (PFS) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) as Assessed by Blinded Independent Central Review (BICR) in all Participants(Up to ~42 months)
  • Part 2 (Main Study): Objective Response Rate (ORR) per RECIST 1.1 as Assessed by BICR in all Participants(Up to ~42 months)
  • Part 2 (Main Study): Duration of Response (DOR) per RECIST 1.1 as Assessed by BICR in all Participants(Up to ~42 months)
  • Part 2 (Main Study): OS in Participants With Programmed Cell Death-Ligand 1 (PD-L1) Combined Positive Score (CPS) ≥10(Up to ~48 months)
  • Part 2 (Main Study): PFS per RECIST 1.1 as Assessed by BICR in Participants With PD-L1 CPS ≥10(Up to ~42 months)
  • Part 2 (Main Study): ORR per RECIST 1.1 as Assessed by BICR in Participants With PD-L1 CPS ≥10(Up to ~42 months)
  • Part 2 (Main Study): DOR per RECIST 1.1 as Assessed by BICR in Participants With PD-L1 CPS ≥10(Up to ~42 months)
  • Part 2 (Main Study): Number of Participants With AEs(Up to ~53 months)
  • Part 2 (Main Study): Number of Participants who Discontinued Study Treatment Due to an AE(Up to ~53 months)

Study Sites (198)

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