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Dannehl D, von Au A, Engler T, Volmer LL, Gutsfeld R, Englisch JF, Hahn M, Hawighorst-Knapstein S, Chaudhuri A, Bauer A, Wallwiener M, Taran FA, Wallwiener D, Brucker SY, Wallwiener S, Hartkopf AD, Dijkstra TMH. Implementation and Evaluation of a Breast Cancer Disease Model Using Real-World Claims Data in Germany from 2010 to 2020. Cancers (Basel) 2024; 16:1490. [PMID: 38672572 PMCID: PMC11049278 DOI: 10.3390/cancers16081490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Breast cancer is the leading cause of cancer-related mortality among women in Germany and worldwide. This retrospective claims data analysis utilizing data from AOK Baden-Wuerttemberg, a major statutory German health insurance provider, aimed to construct and assess a real-world data breast cancer disease model. The study included 27,869 female breast cancer patients and 55,738 age-matched controls, analyzing data from 2010 to 2020. Three distinct breast cancer stages were analyzed: Stage A (early breast cancer without lymph node involvement), Stage B (early breast cancer with lymph node involvement), and Stage C (primary distant metastatic breast cancer). Tumor subtypes were estimated based on the prescription of antihormonal or HER2-targeted therapy. The study established that 77.9% of patients had HR+ breast cancer and 9.8% HER2+; HR+/HER2- was the most common subtype (70.9%). Overall survival (OS) analysis demonstrated significantly lower survival rates for stages B and C than for controls, with 5-year OS rates ranging from 79.3% for stage B to 35.4% for stage C. OS rates were further stratified by tumor subtype and stage, revealing varying prognoses. Distant recurrence-free survival (DRFS) analysis showed higher recurrence rates in stage B than in stage A, with HR-/HER2- displaying the worst DRFS. This study, the first to model breast cancer subtypes, stages, and outcomes using German claims data, provides valuable insights into real-world breast cancer epidemiology and demonstrates that this breast cancer disease model has the potential to be representative of treatment outcomes.
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Affiliation(s)
- Dominik Dannehl
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Alexandra von Au
- Department of Gynecology and Obstetrics, Heidelberg University, 69120 Heidelberg, Germany;
| | - Tobias Engler
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Léa Louise Volmer
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Raphael Gutsfeld
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Johannes Felix Englisch
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Markus Hahn
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | | | - Ariane Chaudhuri
- AOK Baden-Wuerttemberg, 70188 Stuttgart, Germany; (S.H.-K.); (A.C.)
| | - Armin Bauer
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | | | - Florin-Andrei Taran
- Department of Gynecology and Obstetrics, Freiburg University, 79106 Freiburg im Breisgau, Germany;
| | - Diethelm Wallwiener
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Sara Yvonne Brucker
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Stephanie Wallwiener
- Department of Obstetrics and Perinatal Medicine, Halle University, 06120 Halle, Germany;
| | - Andreas Daniel Hartkopf
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
| | - Tjeerd Maarten Hein Dijkstra
- Department of Women’s Health, Tübingen University, 72076 Tübingen, Germany; (T.E.); (R.G.); (J.F.E.); (M.H.); (A.B.); (D.W.); (S.Y.B.); (A.D.H.); (T.M.H.D.)
- Institute for Translational Bioinformatics, University Hospital Tübingen, 72076 Tübingen, Germany
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Factors affecting prognosis in patients treated with bevacizumab plus paclitaxel as first-line chemotherapy for HER2-negative metastatic breast cancer: an international pooled analysis of individual patient data from four prospective observational studies. Breast Cancer 2023; 30:88-100. [PMID: 36057014 DOI: 10.1007/s12282-022-01399-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 08/24/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Bevacizumab (BV) plus paclitaxel (PTX) is a treatment option in patients with HER2-negative metastatic breast cancer (mBC). We conducted an international pooled analysis with individual patient data to evaluate the effectiveness of BV + PTX as a first-line treatment for HER2-negative mBC patients under routine practice. METHODS A total of 2,474 mBC patients treated with BV + PTX from four prospective observational studies were analyzed. The primary endpoint was overall survival (OS). The other endpoints including identifying independent prognostic factors and validation of the modified Prognostic Factor Index (PFI) developed in the ATHENA trial. RESULTS Median follow-up time was 10.9 months (M). Median OS were 21.4 M (95% confidential interval 19.8-22.7 M). The seven independent prognostic factors (tumor subtype, age, ECOG performance status (PS), disease-free interval (DFI), liver metastases, number of metastatic organs, and prior anthracycline and/or taxane treatment) for OS found in this analysis included the five risk factors (RFs [DFI < 24 months, ECOG PS 2, liver metastases and/or > 3 metastasis organ sites, TNBC, prior anthracycline and/or taxane therapy]). High- (> 3 RFs [median OS 12.6 M]) and intermediate-risk groups (2 RFs [median OS 18.0 M]) had a significantly worse prognosis than the low-risk group (< 1 RF [median OS 27.4 M]), (p < 0.0001). CONCLUSIONS This international pooled analysis showed the effectiveness of first-line BV + PTX for HER2-negative mBC patients identifying seven independent prognostic factors as real-world evidence. The usefulness of the modified PFI developed in the ATHENA trial in predicting OS among patients receiving BV + PTX was also verified.
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Apatinib plus vinorelbine versus vinorelbine for metastatic triple-negative breast cancer who failed first/second-line treatment: the NAN trial. NPJ Breast Cancer 2022; 8:110. [PMID: 36127351 PMCID: PMC9489776 DOI: 10.1038/s41523-022-00462-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 07/05/2022] [Indexed: 11/20/2022] Open
Abstract
While therapies such as chemotherapy combined with immunotherapy, sacituzumab govitecan, and PARP inhibitors are available for metastatic TNBC, on disease progression after these therapies, the mainstay of therapy is chemotherapy. Apatinib is a small-molecule tyrosine kinase inhibitor that has promising anti-angiogenesis and antitumor activity for TNBC. We aimed to evaluate the safety and efficacy of adding apatinib to chemotherapy in patients with advanced TNBC with failed first/second-line treatment. A total of 66 patients were randomly assigned, in a 1:1 ratio, to receive vinorelbine or vinorelbine with apatinib in 28-day cycles. The primary endpoint was progression-free survival (PFS). Secondary endpoints included overall survival (OS), overall response rate (ORR) and safety. 33 received apatinib plus vinorelbine and 32 received vinorelbine (1 was withdrawal). Median PFS was significantly longer in the apatinib plus vinorelbine group than in the vinorelbine group (3.9 months vs. 2.0 months; hazard ratio, 1.82; 95% confidence interval [CI], 1.06 to 3.11; P = 0.026). Median OS was 11.5 months with apatinib plus vinorelbine and 9.9 months with vinorelbine (HR,1.01; 95% CI, 0.51 to 1.97; P = 0.985). The ORR was 9.1% in the apatinib plus vinorelbine group and 6.3% in the vinorelbine group (P = 0.667). The most common treatment-related hematologic grade 3–4 adverse events in apatinib plus vinorelbine group, were leukopenia, granulocytopenia, anemia, and thrombocytopenia. no treatment-related nonhematologic grade 4 adverse events or treatment-related deaths were observed. Collectively, adding apatinib to vinorelbine shows a promising benefit in PFS compared to vinorelbine monotherapy, with an excellent toxicity profile, warranting further exploration.
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Kokkali S, Saloustros E, Stefanou D, Makrantonakis P, Kentepozidis N, Boukovinas I, Xenidis N, Katsaounis P, Ardavanis A, Ziras N, Christopoulou A, Rigas G, Kalbakis K, Vardakis N, Emmanouilides C, Athanasiadis I, Anagnostopoulos A, Hatzidaki D, Prinarakis E, Simopoulou F, Kotsakis A, Georgoulias V. Front-Line Bevacizumab plus Chemotherapy with or without Maintenance Therapy for Metastatic Breast Cancer: An Observational Study by the Hellenic Oncology Research Group. Curr Oncol 2022; 29:1237-1251. [PMID: 35200604 PMCID: PMC8871254 DOI: 10.3390/curroncol29020105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 11/16/2022] Open
Abstract
Front-line bevacizumab (BEV) in combination with taxanes offers benefit in progression-free survival (PFS) in metastatic breast cancer (mBC). The medical records of mBC patients, treated with front-line BEV-based chemotherapy, were retrospectively reviewed in order to generate real life safety and efficacy data. Patients with human epidermal growth factor receptor 2 (HER2)-negative mBC treated with front-line BEV in combination with chemotherapy were eligible. Maintenance therapy with BEV and/or hormonal agents was at the physicians’ discretion. Among the 387 included patients, the most common adverse events were anemia (61.9%, mainly grade 1), grade 3/4 neutropenia (16.5%), grade 1/2 fatigue (22.3%), and grade 1/2 neuropathy (19.6%). Dose reductions were required in 164 cycles (7.1%) and toxicity led to treatment discontinuation in 21 patients (5.4%). The median PFS and the median overall survival (OS) were 13.3 (95% CI: 11.7–14.8) and 32.3 months (95% CI: 27.7–36.9), respectively. Maintenance therapy, with hormonal agents (ET) and/or BEV, was associated with longer OS versus no maintenance therapy (47.2 versus 23.6 months; p < 0.001) in patients with hormone receptor (HR)-positive disease and BEV maintenance offered longer OS versus no maintenance in patients with HR-negative disease (52.8 versus 23.3; p = 0.023). These real-life data show that front-line BEV-based chemotherapy in HER2-negative mBC patients is an effective treatment with an acceptable toxicity profile. The potential benefit of maintenance treatment, especially ET, is important and warrants further research.
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Affiliation(s)
- Stefania Kokkali
- 1st Department of Medical Oncology, Saint Savas Anticancer Hospital, 11522 Athens, Greece; (S.K.); (D.S.); (A.A.)
| | | | - Dimitra Stefanou
- 1st Department of Medical Oncology, Saint Savas Anticancer Hospital, 11522 Athens, Greece; (S.K.); (D.S.); (A.A.)
| | - Paris Makrantonakis
- 2nd Department of Medical Oncology, Theageneio Anticancer Hospital, 54639 Thessaloniki, Greece;
| | - Nikolaos Kentepozidis
- Department of Medical Oncology, 251 Airforce General Hospital, 11525 Athens, Greece;
| | | | - Nikolaos Xenidis
- Department of Medical Oncology, University General Hospital of Alexandroupolis, 68100 Alexandroupolis, Greece;
| | - Panagiotis Katsaounis
- 1st Department of Medical Oncology, Metropolitan General Hospital, 11522 Athens, Greece;
| | - Alexandros Ardavanis
- 1st Department of Medical Oncology, Saint Savas Anticancer Hospital, 11522 Athens, Greece; (S.K.); (D.S.); (A.A.)
| | - Nikolaos Ziras
- 2nd Department of Medical Oncology, Metaxas’ Anticancer Hospital, 18537 Piraeus, Greece;
| | | | - George Rigas
- Medical Oncology Unit, General Hospital of Volos, 38222 Volos, Greece;
| | - Kostas Kalbakis
- Department of Medical Oncology, University Hospital of Heraklion, 71500 Crete, Greece; (K.K.); (N.V.)
| | - Nikolaos Vardakis
- Department of Medical Oncology, University Hospital of Heraklion, 71500 Crete, Greece; (K.K.); (N.V.)
| | | | - Ilias Athanasiadis
- 2nd Department of Medical Oncology, MITERA Hospital, 11522 Athens, Greece;
| | | | - Dora Hatzidaki
- Department of Medical Oncology, Hellenic Oncology Research Group, 11471 Athens, Greece; (D.H.); (E.P.)
| | - Efthimios Prinarakis
- Department of Medical Oncology, Hellenic Oncology Research Group, 11471 Athens, Greece; (D.H.); (E.P.)
| | - Foteini Simopoulou
- Department of Radiation Oncology, Iaso Thessaly Hospital, 41005 Larissa, Greece;
| | - Athanasios Kotsakis
- Department of Oncology, University Hospital of Larissa, 41221 Larissa, Greece;
- Correspondence: (A.K.); (V.G.); Tel./Fax: +30-2413502009 (A.K.); +30-2106448450 (V.G.)
| | - Vassilis Georgoulias
- Department of Medical Oncology, Hellenic Oncology Research Group, 11471 Athens, Greece; (D.H.); (E.P.)
- Correspondence: (A.K.); (V.G.); Tel./Fax: +30-2413502009 (A.K.); +30-2106448450 (V.G.)
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