Loibl, S., Schneeweiss, A., Huober, J., Braun, M., Rey, J., Blohmer, J. U., Furlanetto, J., Zahm, D. M., Hanusch, C., Thomalla, J., Jackisch, C., Staib, P., Link, T., Rhiem, K., Solbach, C., Fasching, P. A., Nekljudova, V., Denkert, C. and Untch, M. (2022). Neoadjuvant durvalumab improves survival in early triple-negative breast cancer independent of pathological complete response. Ann. Oncol., 33 (11). S. 1149 - 1159. AMSTERDAM: ELSEVIER. ISSN 1569-8041

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Abstract

Background: Addition of immune checkpoint inhibitors to neoadjuvant chemotherapy (NACT) is a promising strategy in early breast cancer, but the optimal duration of therapy is currently unknown. In the GeparNuevo (NCT02685059) trial, addition of durvalumab to NACT as previously reported led to a moderate increase in pathological complete response (pCR) rate by an absolute 9% (P = 0.287). Patients and methods: Patients with cT1b-cT4a-d triple-negative breast cancer (TNBC) received durvalumab 1.5 g or placebo every 4 weeks added to nab-paclitaxel 125 mg/m2 weekly for 12 weeks, followed by durvalumab/placebo every 4 weeks plus epirubicin/cyclophosphamide every 2 weeks followed by surgery. Durvalumab was not continued after surgery. The primary objective was pCR. Secondary endpoints included invasive disease-free survival (iDFS), distant disease-free survival (DDFS) and overall survival (OS). Results: A total of 174 patients were randomised between June 2016 and October 2017. After a median follow-up of 43.7 months, 34 events had occurred. Despite a non-significant increase in the pCR rate, significant differences were observed for 3-year iDFS, DDFS and OS: iDFS was 85.6% with durvalumab versus 77.2% with placebo [hazard ratio (HR) 0.48, 95% confidence interval (CI) 0.24-0.97, stratified log-rank P = 0.036]; DDFS 91.7% versus 78.4% (HR 0.31, 95% CI 0.13-0.74, P = 0.005); OS 95.2% versus 83.5% (HR 0.24, 95% CI 0.08-0.72, P = 0.006). pCR patients had 3 -year iDFS of 95.5% with durvalumab and 86.1% without (HR 0.22, 95% CI 0.05-1.06). In the non-pCR cohort 3-year iDFS was 76.3% versus 69.7% (HR 0.67, 95% CI 0.29-1.54). Multivariable analysis confirmed a durvalumab effect independent of the pCR effect. No new safety signals occurred. Conclusions: Durvalumab added to NACT in TNBC significantly improved survival despite a modest pCR increase and no adjuvant component of durvalumab. Additional studies are needed to clarify the optimal duration and sequence of checkpoint inhibitors in the treatment of early TNBC.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Loibl, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schneeweiss, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Huober, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Braun, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rey, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blohmer, J. U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Furlanetto, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zahm, D. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hanusch, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thomalla, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jackisch, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Staib, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Link, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rhiem, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Solbach, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fasching, P. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nekljudova, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Denkert, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Untch, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-695942
DOI: 10.1016/j.annonc.2022.07.1940
Journal or Publication Title: Ann. Oncol.
Volume: 33
Number: 11
Page Range: S. 1149 - 1159
Date: 2022
Publisher: ELSEVIER
Place of Publication: AMSTERDAM
ISSN: 1569-8041
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
TUMOR-INFILTRATING LYMPHOCYTES; DOUBLE-BLIND; ADJUVANT; CHEMOTHERAPY; PEMBROLIZUMAB; EFFICACY; TRIALSMultiple languages
OncologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69594

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