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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.

Costs and hazard ratios of commonly used drugs in advanced/metastatic lung cancer at Cancer Free Foundation, Dana Point, California.

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
e20508

Citation:
J Clin Oncol 37, 2019 (suppl; abstr e20508)

Author(s): Helmy M. Guirgis; University of California, Irvine, Orange, CA

Abstract Disclosures

Abstract:

Background: The American Cancer Society of Clinical Oncology used hazard ratios (HR) in its value framework as indicators of clinical response. Bevacizumab (Bev) and Pemetrexed (Peme) were introduced for non-squamous metastatic lung cancer prior to epidermal growth factor recognition. Objective: Analyze drug costs and HR in 1st-line advanced/metastatic lung cancer. Methods: Costs of Bev, Peme, Pembrolizumab (Pembro) and Atezolizumab (Atezo) were calculated x one year. Protocols and HR at 95% confidence intervals were quoted. Results: Median drug HR was 0.73. Bev costs were $132,314 and HR 0.79 (A. Sandler, 2006). Peme costs were $97,947, HR 0.63 (M. Zuchin, 2013) and 0.78 (PARAMOUNT). Costs of Pembro 2mg/Kg x 80 Kg were $125,770 compared with $157,313, the currently used 200 mg flat dose. Proportionate savings were noted over the 90-50 Kg weight. Pembro costs x 35 cycles increased to $317,450. In tumor progression score (TPS) > 50% (KEYNOTR-24), Pembro HR was 0.60. In KEYNOTE-042, HR in > 1.0% was 0.81 and improved to 0.69 in 50% with a net benefit of 14%. In squamous cell (KEYNOTE-407), Pembro+chemo HR was 0.64. Pembro+Peme+chemo costs were $255,160. In KEYNOTE-189, irrespective of program death receptor-ligand-1 (PD-L1), HR was 0.49, < 1.0% 0.59 and > 50% 0.42. The net benefit was 28%. Atezo+Bev combination costs were $287,314 and HR 0.78 (IMPOWER 150). In extensive small-cell, Atezo+chemo costs were $150,604 and HR 0.70 (IMPOWER 133). Conclusions: Pembro weight-adjusted dose resulted in significant cost saving over the fit-all 200mg. In 1st-line advanced/metastatic lung cancer, Pembro-Peme, irrespective of PD-L1, offered incomparable 0.49 HR at yearly costs of $255,160.

 
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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