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Publication-only abstracts (abstract number preceded by an "e"), published in conjunction with the 2019 ASCO Annual Meeting but not presented at the Meeting, can be found online only.

Cost-effectiveness of tyrosine kinase inhibition in first-line treatment of patients with EGFR-mutated advanced non-small cell lung cancer.

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
e20504

Citation:
J Clin Oncol 37, 2019 (suppl; abstr e20504)

Author(s): Jiaqi Han, Huabin Hu, Mengting Liao, Longjiang She, Linli Yao, Dong Ding, Shan Zeng, Shen Liang-Fang, Jin Huang; Department of Oncology, Xiangya Hospital, Central South University, Changsha, China; The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

Abstract Disclosures

Abstract:

Background: Patients with advanced non-small cell lung cancer (NSCLC) harbouring an epidermal growth factor receptor (EGFR) mutation have improved survival with tyrosine kinase inhibitor (TKI) treatments, but the economic efficiency of this application is unclear, especially in limited health resource settings. To inform policy makers about the value of these medications, we developed a Markov model to compare the cost-effectiveness of these strategies. Methods: A Markov model was developed to compare the cost-effectiveness of chemotherapy, gefitinib, erlotinib, afatinib and osimertinib treatments from a public payers’ perspective in the U.S and China. Health states consisted of progression-free survival, progressive disease, and death. Model transition, adverse event probabilities, disease progression, and death were obtained from randomized clinical trials and network meta-analysis. Costs, quality-adjusted life-years (QALYs) and incremental cost-effectiveness ratios (ICERs) over a 10-year lifetime horizon were calculated. One-way and probabilistic sensitivity analyses were performed by multiple potentially modifiable parameters. Results: The tyrosine kinase inhibitors were more cost-effective than chemotherapy treatment in both the U.S and China. In the U.S, compared with erlotinib, afatinib had an ICER of $241,420/QALY while osimertinib had an ICER of $351,315/QALY. In China, the incremental utility for osimertinib versus gefitinib was 0.68QALYs, and the ICER was $25,622/QALY. The probability sensitivity analyses also illustrated that the erlotinib was the optimal treatment at a willingness-to-pay (WTP) threshold of $150,000/QALY in the U.S and osimertinib was the most cost-effective treatment at a WTP of $26,508/QALY in China. Conclusions: Based on our current analysis, erlotinib appears to be the preferred first-line treatment for advanced EGFR mutation-positive NSCLC patients in the US at a WTP of $150,000/QALY. However, because of the price reduction and more health benefits, osimertinib was considered to be most cost-effective at a WTP of $26,508/QALY in China.

 
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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