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Key clinical point: Higher levels of tumor-infiltrating lymphocytes (TIL) in breast cancer tissue was associated with improved survival outcomes in patients with early-stage triple-negative breast cancer (TNBC) who received locoregional therapy but no adjuvant or neoadjuvant chemotherapy.
Major finding: At a median follow-up of 18 years, each 10% increase in TIL levels was associated with significantly improved invasive disease-free survival (adjusted hazard ratio [aHR] 0.92; 95% CI 0.89-0.94), overall survival (aHR 0.88; 95% CI 0.85-0.91), and recurrence-free survival outcomes (aHR 0.90; 95% CI 0.87-0.92).
Study details: This retrospective pooled analysis included 1966 patients with early-stage TNBC (stage I TNBC, 55%) who underwent surgery with or without radiotherapy but no adjuvant or neoadjuvant chemotherapy.
Disclosures: This study was partly supported by grants from the Breast Cancer Research Foundation and others. Several authors declared ties with various sources.
Source: Leon-Ferre RA, Jonas SF, Salgado R, et al, for the International Immuno-Oncology Biomarker Working Group. Tumor-infiltrating lymphocytes in triple-negative breast cancer. JAMA. 2024;331:1135-1144 (Apr 2). doi: 10.1001/jama.2024.3056 Source
Key clinical point: Higher levels of tumor-infiltrating lymphocytes (TIL) in breast cancer tissue was associated with improved survival outcomes in patients with early-stage triple-negative breast cancer (TNBC) who received locoregional therapy but no adjuvant or neoadjuvant chemotherapy.
Major finding: At a median follow-up of 18 years, each 10% increase in TIL levels was associated with significantly improved invasive disease-free survival (adjusted hazard ratio [aHR] 0.92; 95% CI 0.89-0.94), overall survival (aHR 0.88; 95% CI 0.85-0.91), and recurrence-free survival outcomes (aHR 0.90; 95% CI 0.87-0.92).
Study details: This retrospective pooled analysis included 1966 patients with early-stage TNBC (stage I TNBC, 55%) who underwent surgery with or without radiotherapy but no adjuvant or neoadjuvant chemotherapy.
Disclosures: This study was partly supported by grants from the Breast Cancer Research Foundation and others. Several authors declared ties with various sources.
Source: Leon-Ferre RA, Jonas SF, Salgado R, et al, for the International Immuno-Oncology Biomarker Working Group. Tumor-infiltrating lymphocytes in triple-negative breast cancer. JAMA. 2024;331:1135-1144 (Apr 2). doi: 10.1001/jama.2024.3056 Source
Key clinical point: Higher levels of tumor-infiltrating lymphocytes (TIL) in breast cancer tissue was associated with improved survival outcomes in patients with early-stage triple-negative breast cancer (TNBC) who received locoregional therapy but no adjuvant or neoadjuvant chemotherapy.
Major finding: At a median follow-up of 18 years, each 10% increase in TIL levels was associated with significantly improved invasive disease-free survival (adjusted hazard ratio [aHR] 0.92; 95% CI 0.89-0.94), overall survival (aHR 0.88; 95% CI 0.85-0.91), and recurrence-free survival outcomes (aHR 0.90; 95% CI 0.87-0.92).
Study details: This retrospective pooled analysis included 1966 patients with early-stage TNBC (stage I TNBC, 55%) who underwent surgery with or without radiotherapy but no adjuvant or neoadjuvant chemotherapy.
Disclosures: This study was partly supported by grants from the Breast Cancer Research Foundation and others. Several authors declared ties with various sources.
Source: Leon-Ferre RA, Jonas SF, Salgado R, et al, for the International Immuno-Oncology Biomarker Working Group. Tumor-infiltrating lymphocytes in triple-negative breast cancer. JAMA. 2024;331:1135-1144 (Apr 2). doi: 10.1001/jama.2024.3056 Source