Cost-Effectiveness of Comprehensive Genomic Profiling in Patients With Non–Small Cell Lung Cancer for the Colombian Health System [Editor's Choice]

Abstract

Introduction

The use of comprehensive genomic profiling (CGP) and target therapies is associated with substantial improvements in clinical outcomes among patients with non–small cell lung cancer (NSCLC). However, the costs of CGP may increase the financial pressures of NSCLC on health systems worldwide, especially in low- and middle-income countries. This study aimed to estimate the cost-effectiveness of CGP compared with current genomic tests in patients with NSCLC from the perspective of the Colombian Health System.

Methods

To estimate the costs and benefits of CGP and its comparators, we developed a 2-stage cohort model with a lifetime horizon. In the first stage, we made up a decision tree that calculated the probability of receiving each therapy as result of identifying a specific, actionable target. In the second stage, we developed a partitioned survival model that estimated the time spent at each health state. Incremental cost-effectiveness ratios were calculated for life-years (LYs) and quality-adjusted LYs gained. All costs were expressed in 2019 international dollars (INT$).

Results

CGP is associated with gains of 0.06 LYs and 0.04 quality-adjusted LYs compared with current genomic tests. Incremental cost-effectiveness ratios for CGP ranged from INT$861 to INT$7848, depending on the outcome and the comparator. Sensitivity analyses show that the cost-effectiveness decision was sensitive to prices of CGP above INT$7170 per test. These results are robust to most deterministic and probabilistic sensitivity analyses.

Conclusions

CGP may be cost-effective in patients with NSCLC from the perspective of the Colombian Health System (societal willingness-to-pay threshold of INT$15 630 to INT$46 890).

Authors

Oscar Gamboa Carlos Eduardo Bonilla David Quitian Gabriel Fernando Torres Giancarlo Buitrago Andrés F. Cardona

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