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Licata L, De Sanctis R, Vingiani A, Cosentini D, Iorfida M, Caremoli ER, Sassi I, Fernandes B, Gianatti A, Guerini-Rocco E, Zambelli C, Munzone E, Simoncini EL, Tondini C, Gentilini OD, Zambelli A, Pruneri G, Bianchini G. Real-world use of multigene signatures in early breast cancer: differences to clinical trials. Breast Cancer Res Treat 2024; 205:39-48. [PMID: 38265569 PMCID: PMC11062950 DOI: 10.1007/s10549-023-07227-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/11/2023] [Indexed: 01/25/2024]
Abstract
PURPOSE In Italy, Lombardy was the first region to reimburse multigene assays (MGAs) for patients otherwise candidates for chemotherapy. This is a real-world experience of MGAs usage in six referral cancer centers in Lombardy. METHODS Among MGAs, Oncotype DX (RS) was used in 97% of cases. Consecutive patients tested with Oncotype DX from July 2020 to July 2022 were selected. The distribution of clinicopathologic features by RS groups (low RS: 0-25, high RS: 26-100) was assessed using chi-square and compared with those of the TAILORx and RxPONDER trials. RESULTS Out of 1,098 patients identified, 73% had low RS. Grade and Ki67 were associated with RS (p < 0.001). In patients with both G3 and Ki67 > 30%, 39% had low RS, while in patients with both G1 and Ki67 < 20%, 7% had high RS. The proportion of low RS in node-positive patients was similar to that in RxPONDER (82% vs 83%), while node-negative patients with low RS were significantly less than in TAILORx (66% vs 86%, p < 0.001). The distribution of Grade was different from registration trials, with more G3 and fewer G1 (38% and 3%) than in TAILORx (18% and 27%) and RxPONDER (10% and 24%) (p < 0.001). Patients ≤ 50 years were overrepresented in this series (41%) than in TAILORx and RxPONDER (31% and 24%, respectively) (p < 0.001) and, among them, 42% were node positive. CONCLUSIONS In this real-world series, Oncotype DX was the test almost exclusively used. Despite reimbursement being linked to pre-test chemotherapy recommendation, almost 3/4 patients resulted in the low-RS group. The significant proportion of node-positive patients ≤ 50 years tested indicates that oncologists considered Oncotype DX informative also in this population.
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Affiliation(s)
- Luca Licata
- Department of Medical Oncology, IRCCS Ospedale San Raffaele, Via Olgettina 60, 20132, Milan, Italy.
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy.
| | - Rita De Sanctis
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Medical Oncology and Hematology Unit, IRCCS - Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Andrea Vingiani
- Deparment of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale Dei Tumori, Milan, Italy
- School of Medicine, University of Milan, Milan, Italy
| | - Deborah Cosentini
- Medical Oncology Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Monica Iorfida
- Division of Medical Senology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | | | - Isabella Sassi
- Pathology Unit, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Bethania Fernandes
- Department of Pathology, IRCCS - Humanitas Research Hospital, Rozzano - Milan, Italy
| | - Andrea Gianatti
- Department of Pathology, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Elena Guerini-Rocco
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | | | - Elisabetta Munzone
- Division of Medical Senology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | | | - Carlo Tondini
- Oncology Unit, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Oreste Davide Gentilini
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
- Breast Surgery Unit, San Raffaele Hospital, Milan, Italy
| | - Alberto Zambelli
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Medical Oncology and Hematology Unit, IRCCS - Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Giancarlo Pruneri
- Deparment of Pathology and Laboratory Medicine, Fondazione IRCCS Istituto Nazionale Dei Tumori, Milan, Italy
- School of Medicine, University of Milan, Milan, Italy
| | - Giampaolo Bianchini
- Department of Medical Oncology, IRCCS Ospedale San Raffaele, Via Olgettina 60, 20132, Milan, Italy
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
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Licata L, Barreca M, Galbardi B, Dugo M, Viale G, Győrffy B, Karn T, Pusztai L, Gianni L, Callari M, Bianchini G. Breast cancers with high proliferation and low ER-related signalling have poor prognosis and unique molecular features with implications for therapy. Br J Cancer 2023; 129:2025-2033. [PMID: 37935787 PMCID: PMC10703787 DOI: 10.1038/s41416-023-02477-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/10/2023] [Accepted: 10/18/2023] [Indexed: 11/09/2023] Open
Abstract
BACKGROUND Luminal breast cancers with high proliferation (MKShi) and low ER-related signalling (ERSlo) have a poor prognosis. We investigated treatment responses and molecular features of MKShi/ERSlo tumours to inform potential therapies. METHODS Gene expression data from patients who received neoadjuvant chemotherapy (NAC) without (MDACC, N = 199) or with pembrolizumab (I-SPY2, N = 40), or endocrine therapy (NET) without (POETIC, N = 172) or with palbociclib (NeoPalAna, N = 32) were analyzed to assess treatment response by MKS/ERS-subgroups. TCGA was used to assess the mutational landscape and biomarkers associated with palbociclib-resistance (Cyclin-E, RBsig, IRPR) and immunotherapy-response (TMB, TILs, T-cell inflamed) by MKS/ERS-subgroups. RESULTS Compared to MKShi/ERShi tumours, MKShi/ERSlo tumours had higher pathological response rates to NAC (22% vs 8%, p = 0.06) but a higher recurrence risk (4-year metastasis-free survival 70% vs 94%, p = 0.01). MKShi/ERSlo tumours frequently harboured TP53 (34%) and PIK3CA (33%) mutations, and showed high expression of Cyclin-E, RBsig and IRPR, high TMB and elevated TIL and T-cell inflamed metagene expression. MKShi/ERSlo tumours retained high proliferation after NET with or without palbociclib but had higher pathological complete response rates when pembrolizumab was added to NAC (42% vs 21%, p = 0.07). CONCLUSIONS MKShi/ERSlo tumours have dismal outcomes and are enriched in chemotherapy-sensitive but ET- and palbociclib-resistant tumours. Biomarker analysis and clinical data suggest a potential role for immunotherapy in this group.
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Affiliation(s)
- Luca Licata
- Department of Medical Oncology, San Raffaele Hospital, Milan, Italy
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | | | - Barbara Galbardi
- Department of Medical Oncology, San Raffaele Hospital, Milan, Italy
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | - Matteo Dugo
- Department of Medical Oncology, San Raffaele Hospital, Milan, Italy
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | - Giulia Viale
- Department of Medical Oncology, San Raffaele Hospital, Milan, Italy
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | - Balàzs Győrffy
- Department of Bioinformatics, Semmelweis University, Budapest, Hungary
- Cancer Biomarker Research Group, Research Centre for Natural Sciences, Budapest, Hungary
| | - Thomas Karn
- Goethe University Hospital Frankfurt, Frankfurt, Germany
| | - Lajos Pusztai
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | | | | | - Giampaolo Bianchini
- Department of Medical Oncology, San Raffaele Hospital, Milan, Italy.
- School of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy.
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