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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

Single-arm, phase II study of pyrotinib in advanced non-small cell lung cancer (NSCLC) patients with HER2 exon 20 mutation.

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
9089

Poster Board Number:
Poster Session (Board #412)

Citation:
J Clin Oncol 37, 2019 (suppl; abstr 9089)

Author(s): Guanghui Gao, Xingya Li, Qiming Wang, Yiping Zhang, Jianhua Chen, Yongqian Shu, Yanping Hu, Yun Fan, Jian Fang, Gongyan Chen, Jun Zhao, Jianxing He, Fengying Wu, Jianjun Zou, Xiaoyu Zhu, Caicun Zhou; Shanghai Pulmonary Hospital, Shanghai, China; The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Cancer Hospital, Zhengzhou, China; Zhejiang Cancer Hospital, Hangzhou, China; Hunan Cancer Hospital, Changsha, China; Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; Hubei Cancer Hospital, Wuhan, China; Beijing Cancer Hospital, Beijing, China; Harbin Medical University Cancer Hospital, Harbin, China; The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China; Jiangsu Hengrui Medicine Co. Ltd, Shanghai, China

Abstract Disclosures

Abstract:

Background: HER2 exon 20 mutation is a well-known oncogenic driver in non-small cell lung cancer (NSCLC) and its testing is recommended by NCCN guidelines for NSCLC patients. However, up to now, there has been no approved targeted therapy for this patient population. Pyrotinib is an oral, irreversible pan-Her tyrosine kinase inhibitor (TKI) against HER1, HER2 and HER4, which, combined with chemotherapy, has recently been approved in China for HER2 positive advanced breast cancer. Methods: Stage IIIB or IV NSCLC patients with HER2 exon 20 mutation (confirmed in a central lab) and previously treated with at least one platinum-based chemotherapy were enrolled in this open-label, multi-center, single-arm phase II study. Patients with active brain metastases or prior use of HER2 TKI agents were excluded. Eligible patients received pyrotinib 400 mg once daily until disease progression, intolerable toxicity or withdrawal of consent. The primary endpoint was objective response rate (ORR) according to RECIST 1.1. Secondary endpoints included safety, progression-free survival (PFS), time to disease progression (TTP), duration of response (DOR) and overall survival (OS). This trial is registered on ClinicalTrials.gov (NCT02834936). Results: Between October 20, 2016 and December 10, 2018, 60 patients (33 female, 27 male) were enrolled. The median age was 57 years (range: 40, 72). A majority were stage IV patients (95%). Over 58% of patients have been treated with two or more prior chemotherapy regimens. As of Jan 21, 2019, the ORR as evaluated by investigators was 31.7% (95% CI 20.3%, 45.0%). Median DOR was 7.0 months (95% CI 5.5, 11.0) and median PFS was 6.8 months (95% CI 4.1, 8.3). 26.7% patients reported treatment-related grade 3 AEs. Diarrhea (20.0%) was the only treatment-related grade 3 AE that occurred in ≥ 2 patients. Treatment-related grade 4 AE was reported in 1 subject (elevated gamma-glutamyl transferase). The anti-tumor activities of pyrotinib was shown in various mutation types. Conclusions: Pyrotinib as a single agent demonstrated promising anti-tumor activity and acceptable safety profile in heavily pretreated HER2 mutant NSCLC patients. Clinical trial information: NCT02834936

 
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

 

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