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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.

Real-world economic burden of rapid disease progression (RDP) in patients (pts) with advanced/metastatic non-small cell lung cancer (aNSCLC).

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
e20716

Citation:
J Clin Oncol 37, 2019 (suppl; abstr e20716)

Author(s): Stacey DaCosta Byfield, Cliff Molife, Marta Batus, Katherine B. Winfree, John C White, Zhanglin Lin Cui, Lincy S. Lal, Victoria Jennifer Stefaniak, Philip D. Bonomi; Optum, Eden Prairie, MN; Eli Lilly and Company, Indianapolis, IN; Rush University Medical Center, Chicago, IL

Abstract Disclosures

Abstract:

Background: RDP on initial therapy imposes significant clinical burden among pts with aNSCLC. This retrospective claims study provides estimates of the economic burden associated with RDP during subsequent therapy following RDP v non-RDP on platinum-based (Pt) therapy. Methods: Adult Medicare Advantage or commercially insured aNSCLC pts receiving a subsequent line of therapy (LOT) from 03/2015 to 08/2017 after initial Pt therapy were identified in the Optum Research Database and assigned to unmatched RDP & non-RDP cohorts based on Pt treatment duration (≤ 12 and > 12 weeks, respectively) as a surrogate. All-cause healthcare costs were inflation adjusted to 2017 US$ and computed as per patient per month (PPPM) during the subsequent LOT. Total costs were the sum of medical (inpatient, ambulatory, ER, and other costs) and outpatient pharmacy costs. Results: Patient characteristics were similar between RDP (n = 751) and non-RDP (n = 1,304) cohorts, with mean age of 68 years for the total study sample (n = 2,055). Overall, nivolumab was the most common subsequent regimen post Pt; 40% of the total study sample. While duration of subsequent LOTs was shorter for RDP pts (Kaplan-Meier median, 167 v 192 days and log rank test P = 0.03), mean systemic therapy drug costs were similar ($10,516 v $9,642, P = 0.14) during the LOT and PPPM total costs for RDP pts were $4,103 higher than those for non-RDP pts, driven by higher PPPM costs for inpatient stays and ambulatory visits (Table). Conclusions: This study sheds light on the significant economic burden of aNSCLC that rapidly progresses, and may inform management strategies to improve outcomes and lower downstream costs for RDP pts. Future research should continue to explore unmet needs for RDP pts, including underlying cost drivers, to provide context for the rapidly changing aNSCLC treatment landscape.

Subsequent LOT PPPM costs by RDP status.

RDP Cohort
Mean (SD), US$
Non-RDP Cohort
Mean (SD), US$
Total*22,138 (28,897)18,035 (17,057)
Inpatient*5,612 (20,097)3,720 (9,877)
ER335 (1,258)319 (1,154)
Ambulatory*14,409 (17,687)12,385 (12,898)
Other529 (2,254)469 (2,090)
Pharmacy1,252 (3,495)1,141 (3,798)

*p-value < 0.05

 
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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