A Study of Carboplatin-Paclitaxel/Nab-Paclitaxel Chemotherapy With or Without Pembrolizumab (MK-3475) in Adults With First Line Metastatic Squamous Non-small Cell Lung Cancer (MK-3475-407/KEYNOTE-407)-China Extension Study

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

125 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-04-21

Study Completion Date

2023-09-14

Brief Summary

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In this China extension study, carboplatin and paclitaxel with or without pembrolizumab (MK-3475, KEYTRUDA®) will be administered to Chinese adults with first line metastatic squamous non-small cell lung cancer (NSCLC).

The primary hypotheses are that treatment with pembrolizumab prolongs: 1) Progression-free Survival (PFS) by Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1) as assessed by a blinded central imaging vendor compared to placebo, and 2) Overall Survival (OS) in Chinese participants.

After analysis of interim results was conducted, the protocol was amended (Amendment 5) to allow participants the option to discontinue placebo in the control arm and to switch to pembrolizumab in the event of documented progressive disease as assessed by central review.

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Detailed Description

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The MK-3475-407-China Extension Study enrolled a total of 125 participants, of which 15 participants have been also previously enrolled in the MK-3475-407 global study (NCT02775435). This China extension study did not include nano particle albumin-bound paclitaxel (nab-paclitaxel) that was an option in the global base study, because nab-paclitaxel it is not yet approved for treatment of NSCLC in China.

Conditions

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Non-small Cell Lung Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Pembrolizumab + Chemotherapy

Participants receive pembrolizumab 200 mg by intravenous (IV) infusion prior to chemotherapy on Day 1 of each 21-day cycle for up to 35 cycles PLUS paclitaxel (200 mg/m\^2 by IV infusion on Day 1 of each 21-day cycle for 4 cycles) PLUS carboplatin Area Under the Curve (AUC) 6 by IV infusion on Day 1 of each 21-day cycle for 4 cycles.

Group Type EXPERIMENTAL

Pembrolizumab

Intervention Type BIOLOGICAL

IV infusion

Paclitaxel

Intervention Type DRUG

IV infusion

Carboplatin

Intervention Type DRUG

IV infusion Carboplatin dose should not exceed 900 mg.

Chemotherapy

Participants receive normal saline by IV infusion prior to chemotherapy on Day 1 of each 21-day cycle for up to 35 cycles PLUS paclitaxel (200 mg/m\^2 by IV infusion on Day 1 of each 21-day cycle for 4 cycles) PLUS carboplatin AUC 6 by IV infusion on Day 1 of each 21-day cycle for 4 cycles.

Group Type ACTIVE_COMPARATOR

Paclitaxel

Intervention Type DRUG

IV infusion

Carboplatin

Intervention Type DRUG

IV infusion Carboplatin dose should not exceed 900 mg.

Saline placebo for pembrolizumab

Intervention Type DRUG

IV infusion

Interventions

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Pembrolizumab

IV infusion

Intervention Type BIOLOGICAL

Paclitaxel

IV infusion

Intervention Type DRUG

Carboplatin

IV infusion Carboplatin dose should not exceed 900 mg.

Intervention Type DRUG

Saline placebo for pembrolizumab

IV infusion

Intervention Type DRUG

Other Intervention Names

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MK-3475 KEYTRUDA® TAXOL® PARAPLATIN®

Eligibility Criteria

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Inclusion Criteria

* Has a histologically or cytologically confirmed diagnosis of stage IV (M1a or M1b-American Joint Committee on Cancer \[AJCC\]) squamous NSCLC.
* Has measurable disease based on RECIST 1.1 as determined by the local site investigator/radiology assessment.
* Has not received prior systemic treatment for metastatic NSCLC.
* Has provided tumor tissue from locations not radiated prior to biopsy.
* Has a life expectancy of at least 3 months.
* Has a performance status of 0 or 1 on the Eastern Cooperative Oncology Group (ECOG) Performance Status.
* Has adequate organ function.
* If female of childbearing potential, is willing to use an adequate method of contraception for the course of the study through 180 days after the last dose of study treatment.
* If male with a female partner(s) of child-bearing potential, must agree to use an adequate method of contraception starting with the first dose of study treatment through 95 days after the last dose of study treatment. Males with pregnant partners must agree to use a condom; no additional method of contraception is required for the pregnant partner.

Exclusion Criteria

* Has non-squamous histology NSCLC.
* Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks prior to administration of pembrolizumab.
* Before the first dose of study drug: a) Has received prior systemic cytotoxic chemotherapy for metastatic disease; b) Has received other targeted or biological antineoplastic therapy (e.g., erlotinib, crizotinib, cetuximab) for metastatic disease; c) Has had major surgery (\<3 weeks prior to first dose).
* Received radiation therapy to the lung that is \>30 Gray (Gy) within 6 months of the first dose of study treatment.
* Completed palliative radiotherapy within 7 days of the first dose of study treatment.
* Is expected to require any other form of antineoplastic therapy while on study.
* Has received a live-virus vaccination within 30 days of planned treatment start.
* Has a known history of prior malignancy except if the participant has undergone potentially curative therapy with no evidence of that disease recurrence for 5 years since initiation of that therapy.
* Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis.
* Has pre-existing peripheral neuropathy that is ≥ Grade 2 by Common Terminology Criteria for Adverse Events (CTCAE) Version 4 criteria.
* Previously had a severe hypersensitivity reaction to treatment with another monoclonal antibody.
* Has a known sensitivity to any component of carboplatin or paclitaxel or nab-paclitaxel.
* Has active autoimmune disease that has required systemic treatment in past 2 years.
* Is on chronic systemic steroids.
* Had prior treatment with any other anti-programmed cell death 1 (anti-PD-1), or programmed cell death ligand 1 (PD-L1) or PD-L2 agent or an antibody or a small molecule targeting other immuno-regulatory receptors or mechanisms.
* Has participated in any other pembrolizumab trial and has been treated with pembrolizumab.
* Has an active infection requiring therapy.
* Has known history of Human Immunodeficiency Virus (HIV).
* Has known active Hepatitis B virus (HBV) or Hepatitis C virus (HCV) infection.
* Is, at the time of providing documented informed consent, a regular user (including "recreational use") of any illicit drugs or has a recent history (within the last year) of substance abuse (including alcohol).
* Has interstitial lung disease or a history of pneumonitis that required oral or intravenous glucocorticoids to assist with management.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No