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A Prospective Study of Circulating Tumor DNA to Guide Matched Targeted Therapy in Lung Cancers.


ABSTRACT: BACKGROUND:Liquid biopsy for plasma circulating tumor DNA (ctDNA) next-generation sequencing (NGS) is commercially available and increasingly adopted in clinical practice despite a paucity of prospective data to support its use. METHODS:Patients with advanced lung cancers who had no known oncogenic driver or developed resistance to current targeted therapy (n?=?210) underwent plasma NGS, targeting 21 genes. A subset of patients had concurrent tissue NGS testing using a 468-gene panel (n?=?106). Oncogenic driver detection, test turnaround time (TAT), concordance, and treatment response guided by plasma NGS were measured. All statistical tests were two-sided. RESULTS:Somatic mutations were detected in 64.3% (135/210) of patients. ctDNA detection was lower in patients who were on systemic therapy at the time of plasma collection compared with those who were not (30/70, 42.9% vs 105/140, 75.0%; OR = 0.26, 95% CI = 0.1 to 0.5, P?

SUBMITTER: Sabari JK 

PROVIDER: S-EPMC6579739 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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A Prospective Study of Circulating Tumor DNA to Guide Matched Targeted Therapy in Lung Cancers.

Sabari Joshua K JK   Offin Michael M   Stephens Dennis D   Ni Andy A   Lee Adrian A   Pavlakis Nick N   Clarke Stephen S   Diakos Connie I CI   Datta Sutirtha S   Tandon Nidhi N   Martinez Andres A   Myers Mackenzie L ML   Makhnin Alex A   Leger Ysleni Y   Yu Helena A HA   Paik Paul K PK   Chaft Jamie E JE   Kris Mark G MG   Jeon Jeong O JO   Borsu Laetitia A LA   Ladanyi Marc M   Arcila Maria E ME   Hernandez Jennifer J   Henderson Samantha S   Shaffer Tristan T   Garg Kavita K   DiPasquo Dan D   Raymond Christopher K CK   Lim Lee P LP   Li Mark M   Hellmann Matthew D MD   Drilon Alexander A   Riely Gregory J GJ   Rusch Valerie W VW   Jones David R DR   Rimner Andreas A   Rudin Charles M CM   Isbell James M JM   Li Bob T BT  

Journal of the National Cancer Institute 20190601 6


<h4>Background</h4>Liquid biopsy for plasma circulating tumor DNA (ctDNA) next-generation sequencing (NGS) is commercially available and increasingly adopted in clinical practice despite a paucity of prospective data to support its use.<h4>Methods</h4>Patients with advanced lung cancers who had no known oncogenic driver or developed resistance to current targeted therapy (n = 210) underwent plasma NGS, targeting 21 genes. A subset of patients had concurrent tissue NGS testing using a 468-gene pa  ...[more]

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