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Attend this session at the
2019 ASCO Annual Meeting!

Session: Lung Cancer—Non-Small Cell Metastatic

Type: Poster Session

Time: Sunday June 2, 8:00 AM to 11:00 AM

Location: Hall A

A multicenter, open label, randomized phase II study of osimertinib plus ramucirumab versus osimertinib alone as initial chemotherapy for EGFR mutation-positive non-squamous non-small cell lung cancer: TORG1833.

Metastatic Non-Small Cell Lung Cancer

Lung Cancer—Non-Small Cell Metastatic

2019 ASCO Annual Meeting

Abstract No:

Poster Board Number:
Poster Session (Board #440a)

J Clin Oncol 37, 2019 (suppl; abstr TPS9120)

Author(s): Yoshiro Nakahara, Terufumi Kato, Reiko Isomura, Nobuhiko Seki, Naoki Furuya, Katsuhiko Naoki, Takeharu Yamanaka, Hiroaki Okamoto; Department of Thoracic Oncology, Kanagawa Cancer Center, Yokohama, Japan; Clinical Trial Management Office, Kanagawa Cancer Center, Yokohama, Japan; Division of Medical Oncology, Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan; Department of Internal Medicine, Division of Respiratory Medicine, St. Marianna University School of Medicine, Kawasaki, Japan; Department of Respiratory Medicine, Kitsasto University School of Medicine, Sagamihara, Japan; Department of Biostatistics, Yokohama City University School of Medicine, Yokohama, Japan; Department of Respiratory Medicine and Medical Oncology, Yokohama Municipal Citizen's Hospital, Yokohama, Japan

Abstract Disclosures


Background: Vascular endothelial growth factor (VEGF) and epidermal growth factor receptor (EGFR) pathways are shown to be interrelated in several preclinical studies. Furthermore, recent clinical studies have shown the adding effect of an anti VEGF monoclonal antibody with an epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) for the non-small-cell lung cancer (NSCLC) patients with EGFR mutation. Thus, osimertinib plus ramucirumab would be the promising candidate for the new standard treatment in EGFR mutation positive NSCLC. Methods: This study is an investigator initiated trial. Previously untreated EGFR mutation positive advanced non squamous NSCLC patients aged 20 years or older with a performance status of 0 or 1 are randomized at a 1:1 ratio to receive osimertinib (80mg) every day either without or with ramucirumab (10mg/kg) every 2 weeks until evidence of disease progression or development of unacceptable toxicity. The primary endpoint of the study is progression free survival (PFS) assessed by the central image reviewer. Secondly endpoints include PFS (assessed by an attending physician), objective response rate (ORR), disease control rate (DCR), duration of response (DOR), overall survival (OS), safety and toxicity profile. Stratification factors are gender and the type of EGFR mutation (exon 19 deletion, Leu858Arg point mutation in exon 21). We determined that, with a sample size of 120 patients (60 in each arm), the trial will have 80% power to show a hazard ratio for disease progression or death of 0.667 at a one-sided alpha level of 0.2 (as calculated on the basis of 80 such events) for comparison between the two arms with 1.5-year accrual and 2-year follow-up periods. Study enrollment began in November 2018 and is continued for 3.5 years among 20 sites of Thoracic Oncology Research Group (TORG). Seven patients were enrolled at time of submission. Clinical trial information: 184146.

Other Abstracts in this Sub-Category:


1. Association of STK11/LKB1 genomic alterations with lack of benefit from the addition of pembrolizumab to platinum doublet chemotherapy in non-squamous non-small cell lung cancer.

Meeting: 2019 ASCO Annual Meeting Abstract No: 102 First Author: Ferdinandos Skoulidis
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer


2. Real-world outcomes of patients with advanced non-small cell lung cancer (aNSCLC) and autoimmune disease (AD) receiving immune checkpoint inhibitors (ICIs).

Meeting: 2019 ASCO Annual Meeting Abstract No: 110 First Author: Sean Khozin
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer


3. RELAY: A multinational, double-blind, randomized Phase 3 study of erlotinib (ERL) in combination with ramucirumab (RAM) or placebo (PL) in previously untreated patients with epidermal growth factor receptor mutation-positive (EGFRm) metastatic non-small cell lung cancer (NSCLC).

Meeting: 2019 ASCO Annual Meeting Abstract No: 9000 First Author: Kazuhiko Nakagawa
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer