ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease

Abstract Triple-negative breast cancer (TNBC) patients with residual disease (RD) after neoadjuvant systemic therapy (NAST) are at high risk for recurrence. Biomarkers to risk-stratify patients with RD could help individualize adjuvant therapy and inform future adjuvant therapy trials. We aim to inv...

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Main Authors: Shane R. Stecklein, Bruce F. Kimler, Rachel Yoder, Kelsey Schwensen, Joshua M. Staley, Qamar J. Khan, Anne P. O’Dea, Lauren E. Nye, Manana Elia, Jaimie Heldstab, Trisha Home, Stephen Hyter, Kamilla Isakova, Harsh B. Pathak, Andrew K. Godwin, Priyanka Sharma
Format: Article
Language:English
Published: Nature Portfolio 2023-03-01
Series:npj Breast Cancer
Online Access:https://doi.org/10.1038/s41523-023-00512-7
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author Shane R. Stecklein
Bruce F. Kimler
Rachel Yoder
Kelsey Schwensen
Joshua M. Staley
Qamar J. Khan
Anne P. O’Dea
Lauren E. Nye
Manana Elia
Jaimie Heldstab
Trisha Home
Stephen Hyter
Kamilla Isakova
Harsh B. Pathak
Andrew K. Godwin
Priyanka Sharma
author_facet Shane R. Stecklein
Bruce F. Kimler
Rachel Yoder
Kelsey Schwensen
Joshua M. Staley
Qamar J. Khan
Anne P. O’Dea
Lauren E. Nye
Manana Elia
Jaimie Heldstab
Trisha Home
Stephen Hyter
Kamilla Isakova
Harsh B. Pathak
Andrew K. Godwin
Priyanka Sharma
author_sort Shane R. Stecklein
collection DOAJ
description Abstract Triple-negative breast cancer (TNBC) patients with residual disease (RD) after neoadjuvant systemic therapy (NAST) are at high risk for recurrence. Biomarkers to risk-stratify patients with RD could help individualize adjuvant therapy and inform future adjuvant therapy trials. We aim to investigate the impact of circulating tumor DNA (ctDNA) status and residual cancer burden (RCB) class on outcomes in TNBC patients with RD. We analyze end-of-treatment ctDNA status in 80 TNBC patients with residual disease who are enrolled in a prospective multisite registry. Among 80 patients, 33% are ctDNA positive (ctDNA+) and RCB class distribution is RCB-I = 26%, RCB-II = 49%, RCB-III = 18% and 7% unknown. ctDNA status is associated with RCB status, with 14%, 31%, and 57% of patients within RCB-I, -II, and -III classes demonstrating ctDNA+ status (P = 0.028). ctDNA+ status is associated with inferior 3-year EFS (48% vs. 82%, P < 0.001) and OS (50% vs. 86%, P = 0.002). ctDNA+ status predicts inferior 3-year EFS among RCB-II patients (65% vs. 87%, P = 0.044) and shows a trend for inferior EFS among RCB-III patients (13% vs. 40%, P = 0.081). On multivariate analysis accounting for T stage and nodal status, RCB class and ctDNA status independently predict EFS (HR = 5.16, P = 0.016 for RCB class; HR = 3.71, P = 0.020 for ctDNA status). End-of-treatment ctDNA is detectable in one-third of TNBC patients with residual disease after NAST. ctDNA status and RCB are independently prognostic in this setting.
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spelling doaj.art-00318f24d99f4b07bfee5dde9a0b9a2e2023-12-02T19:32:21ZengNature Portfolionpj Breast Cancer2374-46772023-03-01911810.1038/s41523-023-00512-7ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual diseaseShane R. Stecklein0Bruce F. Kimler1Rachel Yoder2Kelsey Schwensen3Joshua M. Staley4Qamar J. Khan5Anne P. O’Dea6Lauren E. Nye7Manana Elia8Jaimie Heldstab9Trisha Home10Stephen Hyter11Kamilla Isakova12Harsh B. Pathak13Andrew K. Godwin14Priyanka Sharma15Department of Radiation Oncology, University of Kansas Medical CenterDepartment of Radiation Oncology, University of Kansas Medical CenterThe University of Kansas Cancer Center, University of Kansas Medical CenterDivision of Medical Oncology, Department of Internal Medicine, University of Kansas Medical CenterThe University of Kansas Cancer Center, University of Kansas Medical CenterDivision of Medical Oncology, Department of Internal Medicine, University of Kansas Medical CenterDivision of Medical Oncology, Department of Internal Medicine, University of Kansas Medical CenterDivision of Medical Oncology, Department of Internal Medicine, University of Kansas Medical CenterDivision of Medical Oncology, Department of Internal Medicine, University of Kansas Medical CenterDivision of Medical Oncology, Department of Internal Medicine, University of Kansas Medical CenterThe University of Kansas Cancer Center, University of Kansas Medical CenterDepartment of Pathology and Laboratory Medicine, University of Kansas Medical CenterThe University of Kansas Cancer Center, University of Kansas Medical CenterDepartment of Pathology and Laboratory Medicine, University of Kansas Medical CenterDepartment of Pathology and Laboratory Medicine, University of Kansas Medical CenterThe University of Kansas Cancer Center, University of Kansas Medical CenterAbstract Triple-negative breast cancer (TNBC) patients with residual disease (RD) after neoadjuvant systemic therapy (NAST) are at high risk for recurrence. Biomarkers to risk-stratify patients with RD could help individualize adjuvant therapy and inform future adjuvant therapy trials. We aim to investigate the impact of circulating tumor DNA (ctDNA) status and residual cancer burden (RCB) class on outcomes in TNBC patients with RD. We analyze end-of-treatment ctDNA status in 80 TNBC patients with residual disease who are enrolled in a prospective multisite registry. Among 80 patients, 33% are ctDNA positive (ctDNA+) and RCB class distribution is RCB-I = 26%, RCB-II = 49%, RCB-III = 18% and 7% unknown. ctDNA status is associated with RCB status, with 14%, 31%, and 57% of patients within RCB-I, -II, and -III classes demonstrating ctDNA+ status (P = 0.028). ctDNA+ status is associated with inferior 3-year EFS (48% vs. 82%, P < 0.001) and OS (50% vs. 86%, P = 0.002). ctDNA+ status predicts inferior 3-year EFS among RCB-II patients (65% vs. 87%, P = 0.044) and shows a trend for inferior EFS among RCB-III patients (13% vs. 40%, P = 0.081). On multivariate analysis accounting for T stage and nodal status, RCB class and ctDNA status independently predict EFS (HR = 5.16, P = 0.016 for RCB class; HR = 3.71, P = 0.020 for ctDNA status). End-of-treatment ctDNA is detectable in one-third of TNBC patients with residual disease after NAST. ctDNA status and RCB are independently prognostic in this setting.https://doi.org/10.1038/s41523-023-00512-7
spellingShingle Shane R. Stecklein
Bruce F. Kimler
Rachel Yoder
Kelsey Schwensen
Joshua M. Staley
Qamar J. Khan
Anne P. O’Dea
Lauren E. Nye
Manana Elia
Jaimie Heldstab
Trisha Home
Stephen Hyter
Kamilla Isakova
Harsh B. Pathak
Andrew K. Godwin
Priyanka Sharma
ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease
npj Breast Cancer
title ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease
title_full ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease
title_fullStr ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease
title_full_unstemmed ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease
title_short ctDNA and residual cancer burden are prognostic in triple-negative breast cancer patients with residual disease
title_sort ctdna and residual cancer burden are prognostic in triple negative breast cancer patients with residual disease
url https://doi.org/10.1038/s41523-023-00512-7
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