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Bollet MA, Sigal-Zafrani B, Gambotti L, Extra JM, Meunier M, Nos C, Dendale R, Campana F, Kirova YM, Diéras V, Fourquet A. Pathological response to preoperative concurrent chemo-radiotherapy for breast cancer: results of a phase II study. Eur J Cancer 2006; 42:2286-95. [PMID: 16893641 DOI: 10.1016/j.ejca.2006.03.026] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2006] [Revised: 02/25/2006] [Accepted: 03/17/2006] [Indexed: 11/28/2022]
Abstract
This study evaluated, in terms of pathological complete response (pCR) and acute toxicity, preoperative concurrent (5-fluorouracil (5-FU)-vinorelbine) chemoradiotherapy for large breast cancers. A total of 60 women were included in the study. Chemotherapy consisted of 4 cycles of 5-FU, 500 mg/m2/d, continuous infusion (d1-d5) and vinorelbine, 25 mg/m2 (d1; d6). Starting with the second cycle, radiotherapy delivered 50 Gy to the breast and 46 Gy to the internal mammary and supra/infra-clavicular lymph nodes. Breast surgery and axillary lymph node dissection were then performed. Four patients did not complete their chemotherapy. Breast conservation was possible in 69% of patients. The rate of pCR was 27%. Three factors were associated with pCR: histological grade 3, absence of hormonal receptors and high mitotic index. Grade 4 haematological toxicity occurred in 22% of patients. In conclusion, chemoradiotherapy demonstrated good efficacy, both in terms of pCR and in allowing breast conservation with acceptable tolerance.
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Affiliation(s)
- Marc A Bollet
- Department of Radiotherapy, Institut Curie, 26 Rue d'Ulm, 75005 Paris, France.
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52
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Han S, Kim SB, Kang SS, Noh WC, Paik NS, Chang ES, Kim JR, Lim SH, Park HS. A phase II study of neoadjuvant docetaxel plus doxorubicin (KBCS-01) in stage II, III breast cancer. Breast Cancer Res Treat 2006; 98:57-61. [PMID: 16752226 DOI: 10.1007/s10549-005-9131-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2005] [Accepted: 11/28/2005] [Indexed: 11/25/2022]
Abstract
BACKGROUND This multicenter phase II study was conducted to evaluate the response and safety of a combination of docetaxel plus doxorubicin as neoadjuvant therapy for stage II, III breast cancer. METHODS Patients with stage II or III breast cancer underwent three cycles of neoadjuvant chemotherapy with doxorubicin 50 mg/m2 and docetaxel 75 mg/m2 every 3 weeks followed by curative surgery. Prophylactic GCSF was not used. RESULTS Ninety patients were enrolled in the study and 86 were evaluable for efficacy. The median age was 43 years (range, 30-69). The mean relative dose intensity was 0.98 for docetaxel and 0.98 for doxorubicin. Breast-conserving surgery was performed in 12 (13.7%) patients. The clinical overall response rate was 86% and pathologic complete response was 10.5%. Grade 3/4 neutropenia was observed in 26% of total 258 cycles and febrile neutropenia was observed in 15.8%. Pneumonia was observed in one patient and grade 3 mucositis was observed in three patients. CONCLUSION Docetaxel and doxorubicin was an effective and well-tolerated neoadjuvant chemotherapy for stage II and III breast cancer. Clinical benefit of this treatment will be confirmed by survival data with long term follow up.
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Affiliation(s)
- Sehwan Han
- Division of Breast Oncology, Department of Surgery, Inje University Sanggye Paik Hospital, Seoul, Republic of Korea.
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53
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Amat S, Abrial SC, Abrial C, Penault-Llorca F, Delva R, Bougnoux P, Leduc B, Mouret-Reynier MA, Mery-Mignard D, Bleuse JP, Dauplat J, Curé H, Chollet P. High prognostic significance of residual disease after neoadjuvant chemotherapy: a retrospective study in 710 patients with operable breast cancer. Breast Cancer Res Treat 2006; 94:255-63. [PMID: 16267618 DOI: 10.1007/s10549-005-9008-8] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Prognostic factors are used to help clinical decision-making in selecting the appropriate treatment for individual patients. The purpose of this retrospective study was to identify one or more factors associated with overall survival (OS) and disease-free survival (DFS), in 710 patients with operable breast cancer, subjected to neoadjuvant chemotherapy followed by surgery, radiotherapy and adjuvant treatments. At a median follow-up of 7.6 years, univariate analysis showed that pathological complete response (pCR) was significantly related to survival (p < 0.003), as well as accepted prognostic factors, as SBR and MSBR grades, hormonal receptors or node involvement at surgery, who remained significant in our study (p < 0.001). The revised Nottingham prognostic index (NPI) and related indices (BGI, MNPI and MBGI) were also significantly associated to survival (p < 0.003). In multivariate analysis, node involvement and MSBR grade remained prognostic factors for OS and DFS (p < 0.0003 and p < 0.02, respectively). The MNPI and pCR were significantly related with OS (p = 0.04) and pts with hormonal receptor-positive tumours had a better DFS than others (p = 0.004). Among all clinical and pathological parameters, axillary dissection after neoadjuvant chemotherapy is still important to determine node involvement, a major prognostic factor. Moreover, MSBR grade seemed to be more accurate and predictive of long-term outcome than the standard SBR grade. It is concluded that, outside any other 'biological' factor, residual disease in breast and nodes must be strongly considered after an induction chemotherapy so as to choose adjuvant treatment for the individual patient.
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Affiliation(s)
- Sophie Amat
- Centre Jean Perrin, 58 Rue Montalembert, BP 392, 63011 Clermont-Ferrand Cedex 1, France.
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54
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Insa A, Chirivella I, Lluch A. Tratamiento neoadyuvante del cáncer de mama operable. Med Clin (Barc) 2006; 126:295-303. [PMID: 16527157 DOI: 10.1157/13085484] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preoperative or neoadjuvant systemic treatment refers to either the first postdiagnosis systemic treatment that a patient receives or indicates that additional subsequent therapy is intended. Randomized controlled clinical trials have shown that preoperative systemic treatment offers the same disease free survival and overall survival benefits as does adjuvant systemic treatment. Neoadjuvant therapy has been found to increase the breast-conserving surgery rate. This therapy also allows to evaluate the primary tumor response to chemotherapy. Additionally, on the basis of the biologic characteristics of a tumor and differences in the response to systemic treatment, primary systemic treatment should be regarded as a tool that can be used to individualize systemic treatment for patients with breast cancer. However, some issues remain to be resolved, such as the markers that should be assessed before this therapy, as well as the optimal surgical and radiotherapy treatment.
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Affiliation(s)
- Amelia Insa
- Servicio de Hematología y Oncología Médica, Hospital Clínico Universitario de Valencia, Universidad de Valencia, Valencia, Spain
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55
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Göhring UJ, Solomayer E. Primary Systemic Therapy in Breast Cancer. Breast Care (Basel) 2006. [DOI: 10.1159/000095008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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56
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Rouzier R, Pusztai L, Delaloge S, Gonzalez-Angulo AM, Andre F, Hess KR, Buzdar AU, Garbay JR, Spielmann M, Mathieu MC, Symmans WF, Wagner P, Atallah D, Valero V, Berry DA, Hortobagyi GN. Nomograms to predict pathologic complete response and metastasis-free survival after preoperative chemotherapy for breast cancer. J Clin Oncol 2005; 23:8331-9. [PMID: 16293864 DOI: 10.1200/jco.2005.01.2898] [Citation(s) in RCA: 205] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To combine clinical variables associated with pathologic complete response (pCR) and distant metastasis-free survival (DMFS) after preoperative chemotherapy (PC) into a prediction nomogram. PATIENTS AND METHODS Data from 496 patients treated with anthracycline PC at the Institut Gustave Roussy were used to develop and calibrate a nomogram for pCR based on multivariate logistic regression. This nomogram was tested on two independent cohorts of patients treated at the M.D. Anderson Cancer Center. The first cohort (n = 337) received anthracycline; the second cohort (n = 237) received a combination of paclitaxel and anthracycline PC. A separate nomogram to predict DMFS was developed using Cox proportional hazards regression model. RESULTS The pCR nomogram based on clinical stage, estrogen receptor status, histologic grade, and number of preoperative chemotherapy cycles had good discrimination and calibration in the training and the anthracycline-treated validation sets (concordance indices, 0.77, 0.79). In the paclitaxel plus anthracycline group, when the predicted pCR rate was less than 14%, the observed rate was 7.5%; for a predicted rate of > or = 38%, the actual rate was 85%. For a predicted rate between 14% to 38%, the observed rates were 50% with weekly and 27% with 3-weekly paclitaxel. This indicates that patients with intermediate chemotherapy sensitivity benefit the most from the optimized schedule of paclitaxel. Patients unlikely to achieve pCR to anthracylines remain at low probability for pCR, even after inclusion of paclitaxel. The nomogram for DMFS had a concordance index of 0.72 in the validation set and outperformed other prediction tools (P = .02). CONCLUSION Our nomograms predict pCR accurately and can serve as a basis to integrate future molecular markers into a clinical prediction model.
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Affiliation(s)
- Roman Rouzier
- Department of Breast Medical Oncology, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77230-1439, USA
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Nadeem R, Chagla LS, Harris O, Desmond S, Thind R, Flavin A, Audisio RA. Tumour localisation with a metal coil before the administration of neo-adjuvant chemotherapy. Breast 2005; 14:403-7. [PMID: 16216744 DOI: 10.1016/j.breast.2004.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2004] [Revised: 11/04/2004] [Accepted: 11/29/2004] [Indexed: 10/25/2022] Open
Abstract
Complete clinical response (CR) with tumour disappearance is not uncommon after neo-adjuvant chemotherapy (NAC) for locally advanced breast cancer, avoiding 25% mastectomies by facilitating breast-conserving procedures. We reviewed our series to understand the feasibility and utility of marking the cancer site before administering NAC. In total, 23 women (median age 47 years) with T2-4, N0-1, M0 tumours were considered unsuitable for breast conserving surgery between January 2002 and November 2003, thus received NAC following a coil placement at the core of tumour. All patients had the coil successfully inserted and no migration or infection was recorded. Eight patients (35%) had a radiological CR (rCR) including 3 (13%) with pathological CR (pCR). In total, 87% patients were managed conservatively. The insertion of a metal coil is a simple mean to provide a landmark for localisation and excision when the breast lump becomes impalpable and radiologically undetectable after the administration of NAC.
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MESH Headings
- Adult
- Aged
- Anthracyclines/therapeutic use
- Antineoplastic Agents/therapeutic use
- Breast Neoplasms/diagnosis
- Breast Neoplasms/drug therapy
- Carcinoma, Ductal, Breast/diagnosis
- Carcinoma, Ductal, Breast/drug therapy
- Carcinoma, Intraductal, Noninfiltrating/diagnosis
- Carcinoma, Intraductal, Noninfiltrating/drug therapy
- Chemotherapy, Adjuvant
- Female
- Humans
- Mammography
- Mastectomy
- Metals
- Middle Aged
- Neoadjuvant Therapy
- Remission Induction
- Ultrasonography, Mammary
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Affiliation(s)
- R Nadeem
- Department of Surgery, Whiston Hospital, Prescot, UK
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58
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Heys SD, Sarkar T, Hutcheon AW. Primary docetaxel chemotherapy in patients with breast cancer: impact on response and survival. Breast Cancer Res Treat 2005; 90:169-85. [PMID: 15803364 DOI: 10.1007/s10549-004-1001-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Primary chemotherapy achieves high clinical response rates and facilitates breast conservation in many patients with large and locally advanced breast cancer. It may also serve to indicate responsiveness to chemotherapeutic agents. A pathological complete response to primary chemotherapy is a primary predictor and surrogate marker of long-term outcome, but occurs in only approximately 15% of patients. Docetaxel is of particular interest in this setting. Primary docetaxel chemotherapy has single-agent activity in both dose-dense and traditional schedules, with acceptable tolerability. Furthermore, concomitant docetaxel-anthracycline schedules have shown promise in Phase II trials, achieving clinical overall response rates (ORRs) of 77-96%, pathological complete responses of up to 24%, and breast conservation in up to 89% of patients. Two Phase III studies have shown that pathological complete response is significantly improved with the addition of docetaxel to anthracycline-based therapy versus the latter alone: the Aberdeen study achieved a rate of 34% versus 16%, respectively (p = 0.04), and the NSABP-B27 study a rate of 26% versus 14%, respectively (p < 0.001). The Aberdeen study has suggested that the addition of docetaxel may yield a survival benefit at 5 years (p = 0.04). The Phase II GEPAR-DUO study hints at a benefit for sequential over concomitant docetaxel-based therapy, with improvements in both clinical response (ORR 87% versus 77%, respectively) and pathological complete response (23% versus 12%, respectively). Non-anthracycline docetaxel-based primary regimens have shown early promise. As we continue to define the optimal regimen, a growing body of evidence supports the use of docetaxel in primary chemotherapeutic regimens for breast cancer.
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Affiliation(s)
- Steven D Heys
- Department of Surgery, University of Aberdeen, Aberdeen, UK.
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59
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Miller KD, Soule SE, Calley C, Emerson RE, Hutchins GD, Kopecky K, Badve S, Storniolo A, Goulet R, Sledge GW. Randomized phase II trial of the anti-angiogenic potential of doxorubicin and docetaxel; primary chemotherapy as Biomarker Discovery Laboratory. Breast Cancer Res Treat 2005; 89:187-97. [PMID: 15692762 DOI: 10.1007/s10549-004-2044-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE Primary chemotherapy provides an ideal opportunity to correlate potential non-invasive surrogate markers of angiogenesis with tumor microvessel density (MVD) and response. PATIENTS AND METHODS Patients with newly diagnosed stages II or III breast cancer were treated with sequential doxorubicin 75 mg/M2 q2 wks x 3 and docetaxel 40 mg/M2 weekly x 6; treatment order was randomly assigned. Potential serologic and imaging markers of angiogenesis were obtained pre-treatment, at crossover and completion of chemotherapy. Non-invasive biomarkers were correlated with MVD and pathologic response. RESULTS From June 1999 to October 2002, 70 patients were entered. Median pretreatment tumor diameter was 6.0 cm with clinically involved axillary nodes in 33 (47%) patients; 20% had inflammatory disease. Clinical response rate was 91%, including 46% clinical complete responses. Pathologic complete response (pCR) was confirmed in 9 (12.8%) patients. Baseline MVD did not correlate with clinical or pathologic response. Serologic markers were obtained in all patients; basic fibroblast growth factor (bFGF) was lower at baseline and increased during treatment in patients with a pCR but did not correlate with MVD. Color Doppler ultrasound (CDUS) was completed in 47 patients; no parameter reliably correlated with MVD or response. Positron emission tomography (PET) with [F-18]-fluoro-deoxyglucose, [O-15]-water and [C-11]-carbon monoxide were completed in 19 patients; uptake of all tracers decreased during treatment in virtually all patients. CONCLUSION Sequential doxorubicin and docetaxel is generally well tolerated and highly active. Serum angiogenic factors and imaging parameters frequently varied throughout treatment but did not correlate with MVD or consistently predict response.
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Affiliation(s)
- Kathy D Miller
- Division of Hematology and Oncology, Indiana University, Indianapolis, IN, USA.
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60
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von Minckwitz G, Raab G, Caputo A, Schütte M, Hilfrich J, Blohmer JU, Gerber B, Costa SD, Merkle E, Eidtmann H, Lampe D, Jackisch C, du Bois A, Kaufmann M. Doxorubicin With Cyclophosphamide Followed by Docetaxel Every 21 Days Compared With Doxorubicin and Docetaxel Every 14 Days As Preoperative Treatment in Operable Breast Cancer: The GEPARDUO Study of the German Breast Group. J Clin Oncol 2005; 23:2676-85. [PMID: 15837982 DOI: 10.1200/jco.2005.05.078] [Citation(s) in RCA: 292] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Purpose Dose-dense and sequential administration of cytotoxic drugs are current approaches to improve outcomes in patients with early-stage breast cancer. Methods This phase III study investigated 913 women with untreated operable breast cancer (T2-3, N0-2, M0) randomly assigned to receive either doxorubicin 50 mg/m2 plus docetaxel 75 mg/m2 every 14 days for four cycles with filgrastim support (ADOC), or doxorubicin 60 mg/m2 plus cyclophosphamide 600 mg/m2 every 21 days followed by docetaxel 100 mg/m2 every 21 days for four cycles each (AC-DOC). The primary end point was the incidence of pathologic complete (invasive and noninvasive) response (pCR) in the breast and axillary nodes. Secondary end points were predictors for pCR, clinical response, rate of breast conservation, and safety. Results A pCR was achieved in 94 patients (10.6%), but the likelihood was significantly greater with AC-DOC (14.3%; n = 63) than with ADOC (7.0%; n = 31) (odds ratio, 2.22; 90% CI, 1.52 to 3.24; P < .001). Independent predictors of attaining a pCR included the use of sequential therapy, high tumor grade, and negative hormone receptor status. The response rates detected by palpation and by imaging were significantly higher with AC-DOC (85.0% and 78.6%, respectively) than with ADOC (75.2% and 68.6%, respectively; both P values < .001). The rate of breast-conserving surgery was 63.4% for AC-DOC and 58.1% for ADOC (P = .05). Predominant grade 3/4 toxicities were leucopenia (AC-DOC, 74.2%; ADOC, 53.7%) and neutropenia (AC-DOC, 66.4%; ADOC, 44.7%) but were infrequently associated with fever (AC-DOC, 4.6%; ADOC, 3.1%). Conclusion Sequential AC-DOC is more effective at inducing pCR than dose-dense ADOC as preoperative treatment for patients with operable breast cancer.
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MESH Headings
- Antineoplastic Agents/therapeutic use
- Breast Neoplasms/drug therapy
- Breast Neoplasms/genetics
- Breast Neoplasms/surgery
- Carcinoma, Intraductal, Noninfiltrating/drug therapy
- Carcinoma, Intraductal, Noninfiltrating/genetics
- Carcinoma, Intraductal, Noninfiltrating/surgery
- Chemotherapy, Adjuvant
- Databases, Factual
- Female
- Genes, BRCA1/physiology
- Humans
- Magnetic Resonance Imaging
- Mastectomy, Segmental/methods
- Mastectomy, Segmental/statistics & numerical data
- Mastectomy, Segmental/trends
- Mutation
- Neoplasm Recurrence, Local/prevention & control
- Randomized Controlled Trials as Topic
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Affiliation(s)
- Lisa A Newman
- Department of Surgery, Breast Care Center, University of Michigan, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA.
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62
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Erol K, Baltali E, Altundag K, Guler N, Ozisik Y, Onat DA, Sayek I, Cengiz M, Atahan L, Tekuzman G. Neoadjuvant Chemotherapy with Cyclophosphamide, Mitoxantrone, and 5-Fluorouracil in Locally Advanced Breast Cancer. Oncol Res Treat 2005; 28:81-5. [PMID: 15662111 DOI: 10.1159/000082951] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVES Our primary objective was to determine the response rate; secondary objectives were to assess the toxicity rate, and disease-free and overall survival rates in patients with locally advanced breast cancer (LABC) receiving a cyclophosphamide (500 mg/m2), mitoxantrone (12 mg/m2) and 5-fluorouracil (500 mg/m2) (CMF) chemotherapy regimen. PATIENTS AND METHODS The data from 74 patients with LABC with neoadjuvant CMF chemotherapy were analyzed retrospectively. Preoperatively, all patients received 3 cycles of CMF on day 1, repeated every 21 days. In 3 (4.1%) patients, breast-conserving surgery was given and in 71 (95.9%) modified radical mastectomy. All patients received radiotherapy and 3 additional cycles of CMF chemotherapy after surgery. RESULTS Median age of the patients was 47 years (range: 17-74). 43 patients were premenopausal, whereas 31 were postmenopausal. 54 patients were in stage IIIA, and 20 were in stage IIIB. The overall clinical response rate was 88%; 11 (14.9%) had a complete response, 54 (73%) had a partial response, and 2 (2.8%) had progression. 14 (18.9%) had a pathological complete response. The median follow-up was 62 months. The median disease-free survival was 64.9 months, and the median overall survival was 97.5 months. The 5-year disease-free and overall survival rates were 52% and 79.9%, respectively. Most frequent side-effects were nausea/vomiting, mucositis, alopecia and leukopenia. CONCLUSION The CMF regimen has a high overall response rate and an acceptable side effect profile in the treatment of locally advanced breast cancer. Further studies are needed to evaluate its effectiveness in breast-conserving strategies.
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Affiliation(s)
- Kutlu Erol
- Department of Internal Medicine, Faculty of Medicine,Institute of Oncology, Hacettepe University, Ankara, Turkey
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Malhotra V, Dorr VJ, Lyss AP, Anderson CM, Westgate S, Reynolds M, Barrett B, Perry MC. Neoadjuvant and Adjuvant Chemotherapy with Doxorubicin and Docetaxel in Locally Advanced Breast Cancer. Clin Breast Cancer 2004; 5:377-84. [PMID: 15585077 DOI: 10.3816/cbc.2004.n.045] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Fifty patients with histologically confirmed stage III breast cancer were enrolled in this study of doxorubicin 50 mg/m2 and docetaxel 75 mg/m2 intravenously infused over 1 hour every 21 days with granulocyte colony-stimulating factor for 4 cycles. This was followed by surgery (mastectomy or lumpectomy) and 4 more cycles of doxorubicin/docetaxel postoperatively, then radiation and tamoxifen as indicated. Forty-six of the 50 patients (92%) completed neoadjuvant chemotherapy, and 38 patients (76%) completed adjuvant chemotherapy. Clinical response (defined as > 50% decrease in size of tumor) was achieved after 2 cycles in 37 patients (74%) and after 4 cycles in 42 of the 46 patients (91%) who finished neoadjuvant chemotherapy. Pathologic complete response (pCR; no pathologic invasive cancer) at the primary site was obtained in 7 of 46 patients (15%); 11 had no residual gross disease but did have microscopic persistence or microscopic complete response (mCR), for a combined pCR and mCR of 18 of 46 patients (39%). No treatment-related deaths occurred, but 3 patients died during treatment: 1 from progressive disease, 1 from a gastrointestinal bleeding, and 1 from unexplained sudden cardiac death. Dose-limiting toxicities were hematologic (grade 3 neutropenia in 5 patients and grade 4 in 23 patients). Congestive heart failure developed in 4 of 50 patients (8%), with a mean decrease in left ventricular ejection fraction (LVEF) of 20% in affected patients and 1 asymptomatic decrease in LVEF of 25%. At last follow-up, 10 patients had died of progressive disease, and 1 each from sudden cardiac death and lower gastrointestinal bleeding. In locally advanced breast cancer, neoadjuvant doxorubicin/docetaxel is a very active regimen that achieved pCR of 15% and a combined pCR and mCR of 39%, for an overall clinical response rate of 91%. Adjuvant chemotherapy was complicated by dropouts and congestive heart failure. This regimen should be used with close monitoring of cardiac function.
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Affiliation(s)
- Vikas Malhotra
- Division of Hematology/Medical Oncology, Ellis Fischel Cancer Center, University of Missouri, Columbia, MO 65203, USA.
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64
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Colleoni M, Viale G, Zahrieh D, Pruneri G, Gentilini O, Veronesi P, Gelber RD, Curigliano G, Torrisi R, Luini A, Intra M, Galimberti V, Renne G, Nolè F, Peruzzotti G, Goldhirsch A. Chemotherapy is more effective in patients with breast cancer not expressing steroid hormone receptors: a study of preoperative treatment. Clin Cancer Res 2004; 10:6622-8. [PMID: 15475452 DOI: 10.1158/1078-0432.ccr-04-0380] [Citation(s) in RCA: 263] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE The purpose of this research was to identify factors predicting response to preoperative chemotherapy. EXPERIMENTAL DESIGN In a large volume laboratory using standard immunohistochemical methods, we reviewed the pretreatment biopsies and histologic specimens at final surgery of 399 patients with large or locally advanced breast cancer (cT2-T4, N0-2, M0) who were treated with preoperative chemotherapy. The incidence of pathological complete remission and the incidence of node-negative status at final surgery were assessed with respect to initial pathological and clinical findings. Menopausal status, estrogen receptor status, progesterone receptor status [absent (0% of the cells positive) versus expressed], clinical tumor size, histologic grade, Ki-67, Her-2/neu expression, and type and route of chemotherapy were considered. RESULTS High rates of pathological complete remission were associated with absence of estrogen receptor and progesterone receptor expression (P < 0.0001), and grade 3 (P = 0.001). Significant predictors of node-negative status at surgery were absence of estrogen receptor and progesterone receptor expression (P < 0.0001), clinical tumor size <5 cm (P < 0.001), and use of infusional regimens (P = 0.003). The chance of obtaining pathological complete remission or node-negative status for patients with endocrine nonresponsive tumors compared with those having some estrogen receptor or progesterone receptor expression was 4.22 (95% confidence interval, 2.20-8.09, 33.3% versus 7.5%) and 3.47 (95% confidence interval, 2.09-5.76, 42.9% versus 21.7%), respectively. Despite the significantly higher incidence of pathological complete remission and node-negative status achieved by preoperative chemotherapy for patients with estrogen receptor and progesterone receptor absent disease, the disease-free survival was significantly worse for this cohort compared with the low/positive expression cohort (4-year disease-free survival %: 41% versus 74%; hazard ratio 3.22; 95% confidence interval, 2.28-4.54; P < 0.0001). CONCLUSIONS Response to preoperative chemotherapy is significantly higher for patients with endocrine nonresponsive tumors. New chemotherapy regimens or combinations should be explored in this cohort of patients with poor outcome. For patients with endocrine responsive disease, the role of preoperative endocrine therapies should be studied.
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Affiliation(s)
- Marco Colleoni
- Department of Medicine, European Institute of Oncology, Milan, Italy.
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65
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Li JF, Ou YT, Wang TF, Lin BY. Preoperative chemotherapy of continuous infusion of 5-fluorouracil, epirubicin or pirarubicin and cyclophosphamine in operable primary breast cancer. Chin J Cancer Res 2004. [DOI: 10.1007/s11670-004-0026-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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66
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Lerouge D, Touboul E, Lefranc JP, Genestie C, Moureau-Zabotto L, Blondon J. Combined chemotherapy and preoperative irradiation for locally advanced noninflammatory breast cancer: updated results in a series of 120 patients. Int J Radiat Oncol Biol Phys 2004; 59:1062-73. [PMID: 15234040 DOI: 10.1016/j.ijrobp.2003.12.034] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2003] [Revised: 12/18/2003] [Accepted: 12/30/2003] [Indexed: 11/28/2022]
Abstract
PURPOSE To evaluate our updated data concerning survival and locoregional control in a prospective study of locally advanced noninflammatory breast cancer (LABC) after primary chemotherapy (CT) followed by external preoperative irradiation (RT). METHODS AND MATERIALS Between 1982 and 1998, 120 patients (75 Stage IIIA, 41 Stage IIIB, and 4 Stage IIIC according to AJCC staging system 2002) were treated by four courses of induction CT with anthracycline-containing combinations followed by preoperative RT (45 Gy to the breast and nodal areas) and a fifth course of CT. Three different locoregional approaches were proposed depending on tumor characteristics and tumor response. After completion of local therapy, all patients received a sixth course of CT and a maintenance adjuvant CT regimen without anthracycline. The median follow-up from the beginning of treatment was 140 months. RESULTS Mastectomy and axillary dissection were performed in 49 patients (with residual tumor larger than 3 cm in diameter or located behind the nipple or with bifocal tumor), and conservative treatment in 71 patients (39 achieved clinical complete response or partial response >90% and received additional radiation boost to initial tumor bed; 32 had residual mass < or =3 cm in diameter and were treated by wide excision and axillary dissection followed by a boost to the excision site). Ten-year actuarial local failure rate was 13% after RT alone, 23% after wide excision and RT, and 4% after mastectomy (p = 0.1). After multivariate analysis, possibility of breast-conserving therapy was related to initial tumor size (<6 cm vs. > or =6 cm in diameter, p = 0.002). Ten-year overall metastatic disease-free survival rate was 61%. After multivariate analysis, metastatic disease-free survival rates were significantly influenced by clinical stage (Stage IIIA-B vs. IIIC, p = 0.0003), N-stage (N0 vs. N1-2a, and 3c, p = 0.017), initial tumor size (<6 cm vs. > or =6 cm in diameter, p = 0.008), and tumor response after induction CT and preoperative RT (clinically complete response + partial response vs. nonresponder, p = 0.0015). In the nonconservative breast treatment group, of the 32 patients with no change in clinical tumor size after induction CT, the 10-year metastatic disease-free survival rate was 59% with only one local relapse. Arm lymphedema was noted in 17% (14 of 81) after axillary dissection and in 2.5% (1 of 39) without axillary dissection. Cosmetic results were satisfactory in 70% of patients treated by RT alone and in 51.5% of patients after wide excision and RT. CONCLUSION Despite the poor prognosis of patients with LABC resistant to primary anthracycline-based regimen, aggressive locoregional management using preoperative RT and mastectomy with axillary dissection offers a possibility of long-term survival with low local failure rate for patients without extensive nodal disease. On the other hand, the rate of local failure seems to be high in patients with clinical partial tumor response after induction CT and breast-conserving treatment combining preoperative RT and large wide excision.
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Affiliation(s)
- Delphine Lerouge
- Department of Radiation Oncology, Tenon Hospital A.P.-H.P., 4 rue de la Chine, 75950 Paris cedex 20, France
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Lerouge D, Touboul E, Lefranc JP, Genestie C, Moureau-Zabotto L, Blondon J. [Locally advanced non inflammatory breast cancer treated by combined chemotherapy and preoperative irradiation: updated results in a series of 120 patients]. Cancer Radiother 2004; 8:155-67. [PMID: 15217583 DOI: 10.1016/j.canrad.2004.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2003] [Revised: 01/07/2004] [Accepted: 01/16/2004] [Indexed: 11/18/2022]
Abstract
PURPOSE To evaluate our updated data concerning survival and locoregional control in a study of locally advanced non inflammatory breast cancer after primary chemotherapy followed by external preoperative irradiation. PATIENTS AND METHODS Between 1982 and 1998, 120 patients (75 stage IIIA, 41 stage IIIB, and 4 stage IIIC according to AJCC staging system 2002) were consecutively treated by four courses of induction chemotherapy with anthracycline-containing combinations followed by preoperative irradiation (45 Gy to the breast and nodal areas) and a fifth course of chemotherapy. Three different locoregional approaches were proposed, depending on tumour characteristics and tumour response. After completion of local therapy, all patients received a sixth course of chemotherapy and a maintenance adjuvant chemotherapy regimen without anthracycline. The median follow-up from the beginning of treatment was 140 months. RESULTS Mastectomy and axillary dissection were performed in 49 patients (with residual tumour larger than 3 cm in diameter or located behind the nipple or with bifocal tumour), and conservative treatment in 71 patients (39 achieved clinical complete response or partial response >90% and received additional radiation boost to initial tumour bed; 32 had residual mass <or=3 cm in diameter and were treated by wide excision and axillary dissection followed by a boost to the excision site). Ten-year actuarial local failure rate was 13% after irradiation alone, 23% after wide excision and irradiation, and 4% after mastectomy (p =0.1). After multivariate analysis, possibility of breast-conserving therapy was related to initial tumour size (<6 vs. >or=6 cm in diameter, p =0.002). Ten-year overall metastatic disease-free survival rate was 61%. After multivariate analysis, metastatic disease-free survival rates were significantly influenced by clinical stage (stage IIIA-B vs. IIIC, p =0.0003), N-stage (N0 vs. N1-2a, and 3c, p =0.017), initial tumour size (<6 vs. >or=6 cm in diameter, p =0.008), and tumour response after induction chemotherapy and preoperative irradiation (clinically complete response + partial response vs. non-response, p =0.0015). In the non conservative breast treatment group, of the 32 patients with no change in clinical tumour size after induction chemotherapy, the 10-year metastatic disease-free survival rate was 59% with only one local relapse. Arm lymphedema was noted in 17% (14 of 81) following axillary dissection and in 2.5% (1 of 39) without axillary dissection. Cosmetic results were satisfactory in 70% of patients treated by irradiation alone and in 51.5% of patients after wide excision and irradiation. CONCLUSION Despite the poor prognosis of patients with locally advanced non inflammatory breast cancer resistant to primary anthracycline-based regimen, aggressive locoregional management using preoperative irradiation and mastectomy with axillary dissection offers a possibility of long term survival with low local failure rate for patients without extensive nodal disease. On the other hand, the rate of local failure seems to be high in patients with clinical partial tumour response following induction chemotherapy and breast-conserving treatment combining preoperative irradiation and large wide excision.
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Affiliation(s)
- D Lerouge
- Service d'oncologie-radiothérapie, hôpital Tenon AP-HP, 4, rue de la Chine, 75020 Paris, France
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Hönig A, Rieger L, Sutterlin M, Dietl J, Solomayer EF. Preoperative Chemotherapy and Endocrine Therapy in Patients with Breast Cancer. Clin Breast Cancer 2004; 5:198-207. [PMID: 15335452 DOI: 10.3816/cbc.2004.n.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
This review focuses on the aims, results, advantages, and possible disadvantages of preoperative chemotherapy and endocrine therapy. We present the recent improvements in terms of pathologic response rates that have resulted from new combinations of drugs. The change of established prognostic factors during neoadjuvant treatment, the need for new markers, and the consequences in terms of clinical decision-making are demonstrated. We discuss the risk of local relapse after breast-conserving surgery, which was made feasible by preoperative chemotherapy. A short overview of current neoadjuvant cytostatic, endocrine, and immunotherapy trials is provided. Future opportunities for tailoring therapy to each individual patient based on early information from the primary tumor are discussed. Important considerations and results of recent endocrine trials that analyzed possible tamoxifen-resistance in subgroups are reported. New opportunities exist to evaluate the efficacy of new cancer drugs more rapidly in the neoadjuvant setting than in the metastatic and adjuvant setting. This approach offers the possibility of monitoring prognostic markers in the primary tumor before, during, and after treatment with specific chemotherapeutic agents. With respect to recent findings of gene-array techniques, it is likely that the advances in this technology will lead to improved prognostic statements. It will show the influence of therapy on gene expression profiles in the course of treatment and might enable us to identify chemoresistance of specific tumors rather early. This could potentially lead to a new direction of cancer therapy.
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Affiliation(s)
- Arnd Hönig
- Department of Obstetrics and Gynecology, University of Wurzburg, Germany.
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69
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Vincent-Salomon A, Rousseau A, Jouve M, Beuzeboc P, Sigal-Zafrani B, Fréneaux P, Rosty C, Nos C, Campana F, Klijanienko J, Al Ghuzlan A, Sastre-Garau X. Proliferation markers predictive of the pathological response and disease outcome of patients with breast carcinomas treated by anthracycline-based preoperative chemotherapy. Eur J Cancer 2004; 40:1502-8. [PMID: 15196533 DOI: 10.1016/j.ejca.2004.03.014] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2003] [Revised: 02/13/2004] [Accepted: 03/12/2004] [Indexed: 11/22/2022]
Abstract
The cell proliferation rate has been correlated to the response of breast carcinomas to preoperative chemotherapy (CT) and to disease outcome. However, this parameter is not yet used to select which tumours should be treated with preoperative CT. Furthermore, there is no consensus in the method used to evaluate cell proliferation. In poor prognosis breast carcinomas (PPBCs) treated by intensive preoperative CT, we compared the predictive value of S phase fraction (SPF), mitotic index (MI) and Ki67. We also evaluated the prognostic significance of the variation of the MI after CT. A series of 55 T2-T4N0N1M0 breast carcinomas were treated with 4 cycles of cyclophosphamide, 5-fluorouracil (5-FU) and doxorubicin. SPF was determined by flow cytometry on pre-therapeutic needle aspiration products. MI and Ki67 were evaluated on pre-therapeutic biopsy samples and on the tumours after CT. Fifteen patients (27%) had a pathological complete response (pCR), whereas 40 (73%) had residual disease. All three proliferative markers were found to have predictive value, but this value was higher for MI than for SPF (P = 0.04) and Ki67 (P = 0.03): the rate of pCR was 50% in cases with MI > 17/3.3 mm2, but was only 7% in cases with MI under this threshold (P = 0.0003). A significant decrease of MI (mean 10.97) was observed after CT (P = 0.001). Furthermore, we observed that even for patients with residual tumour, the variation of MI after CT was a prognostic parameter and overall survival. The sequential analysis of MI in breast cancers treated by preoperative CT thus provides a surrogate for predicting long-term outcome.
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70
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Esserman L. Neoadjuvant chemotherapy for primary breast cancer: lessons learned and opportunities to optimize therapy. Ann Surg Oncol 2004; 11:3S-8S. [PMID: 15015703 DOI: 10.1007/bf02524789] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Laura Esserman
- Department of Surgery and Radiology, University of California San Francisco Medical Center, San Francisco, California 94115, USA.
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71
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Abstract
Increased breast health awareness has led to earlier stage distribution among breast cancer patients in the United States; however, locally advanced tumors remain a major source of morbidity and mortality. Early attempts to control this high-risk pattern of disease with surgery or radiation alone were met with disappointingly high rates of treatment failure in locoregional and distant sites. Multimodality strategies represent a major advance in management of these difficult cancers. The current standard of care is neoadjuvant chemotherapy to improve operability, followed by breast and axillary surgery (including lumpectomy for appropriately selected patients). Following surgery, decisions regarding the need for additional chemotherapy with or without locoregional irradiation are made based on stage at presentation, response to systemic therapy, and surgical-pathology findings. Recommendations for adjuvant endocrine therapy are based on hormone receptor status. Studies of these tumors have confirmed that primary response to induction therapy is an excellent surrogate marker of success in eradicating micrometastases, as patients experiencing a complete pathologic response have a statistically significant survival advantage. Ongoing investigations of locally advanced breast cancer include studies of systemic chemotherapy with or without neoadjuvant endocrine regimens that increase the complete pathologic response rate, and correlation with outcome; integration of lymphatic mapping and sentinel lymph node biopsy into clinical trials; and defining the optimal extent of locoregional irradiation in patients who experience a strong response to neoadjuvant treatment.
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Affiliation(s)
- Lisa A Newman
- Breast Care Center, University of Michigan Comprehensive Cancer Center, 1500 East Medical Center Drive, 3308 CGC, Ann Arbor, MI 48109, USA.
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72
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Ring A, Webb A, Ashley S, Allum WH, Ebbs S, Gui G, Sacks NP, Walsh G, Smith IE. Is Surgery Necessary After Complete Clinical Remission Following Neoadjuvant Chemotherapy for Early Breast Cancer? J Clin Oncol 2003; 21:4540-5. [PMID: 14673041 DOI: 10.1200/jco.2003.05.208] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Purpose: This retrospective analysis aimed to identify whether breast cancer patients receiving radiotherapy alone following a complete clinical remission (cCR) to neoadjuvant chemotherapy had a worse outcome than those treated with surgery. Patients and Methods: One hundred thirty-six patients who had achieved a cCR to neoadjuvant chemotherapy for early breast cancer were identified from a prospectively maintained database of 453 patients. Of these, 67 patients had undergone surgery as their primary locoregional therapy, and 69 patients had radiotherapy alone. Outcome was assessed in relation to local recurrence-free survival, disease-free survival, and overall survival. Results: Median follow-up was 63 months in the surgery group and 87 months in the no surgery group. Prognostic characteristics were well balanced between the two groups. For surgery and no surgery, respectively, there were no significant differences in disease-free survival or overall survival (5-year, 74% v 76%; 10-year, 60% v 70%, P = .9) between the two groups. There was a nonsignificant trend toward increased locoregional-only recurrence for the no surgery group (21% v 10% at 5 years; P = .09), but no long-term failures of local control. Patients in the no surgery group who also achieved an ultrasound complete remission had a 5-year local recurrence rate of only 8%. Conclusion: In patients achieving a cCR to neoadjuvant chemotherapy, radiotherapy alone achieve survival rates as good as with surgery, but with higher local recurrence rates. Ultrasound may identify a low recurrence rate subgroup for assessing no surgery in a prospective trial.
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Affiliation(s)
- A Ring
- Royal Marsden Hospital, Fulham Rd, London SW3 6JJ, United Kingdom
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73
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Colleoni M, Zahrieh D, Gelber RD, Viale G, Luini A, Veronesi P, Intra M, Galimberti V, Renne G, Goldhirsch A, Zarieh D. Preoperative systemic treatment: prediction of responsiveness. Breast 2003; 12:538-42. [PMID: 14659132 DOI: 10.1016/s0960-9776(03)00163-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The use of predictive factors allows a more effective use of available therapies by enabling clinicians to distinguish patients likely to obtain substantial benefit from treatment from those for whom the same therapy is less likely to be effective. A most relevant aspect of clinical research is thus to develop alternative therapeutic approaches which are more efficacious for this latter group, particularly important since treatment effects are likely to be small. In the preoperative setting several predictors of response were identified. They include: diameter of the lesion (larger lesions respond less than smaller lesions), MIB-1 increased expression associated with increased response to chemotherapy, and estrogen receptor (ER) and progesterone receptor (PgR) expression in the tumor typically associated with increased response to endocrine therapies. Other factors include HER-2/neu overexpression, which is a target for treatment with the humanized monoclonal antibody against its extracellular domain, is hypothesized to increase response to anthracycline combination chemotherapy and to lead to an improved response to some endocrine agents (e.g. letrozole) rather than to others. Although primary endocrine therapy demonstrated activity and low profile of side effects in selected populations of older patients, it is infrequently used. On the other hand, chemotherapy remains the mainstay of treatment being considered to be a more active and better documented option. Experience at the European Institute of Oncology on 399 patients with large or locally advanced breast cancer (cT2-T4, N0-2, M0) treated with primary chemotherapy, indicated that a proper selection of primary treatment should be based on tumor characteristics such as ER and PgR status. In particular, patients with tumors with no ER and PgR expression (endocrine-unresponsive disease) at the baseline core-biopsy had a significantly higher response rate to chemotherapy if compared with tumors with some ER/PgR expression. In fact, the absence of ER and PgR expression was the strongest predictors of pCR at the multivariate analysis (P<0.0001). Information on endocrine responsiveness before primary systemic therapy will lead to better tailoring of treatment modalities, thus avoiding chemotherapy in selected populations where other approaches (e.g. endocrine primary therapy) might be more useful.
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Affiliation(s)
- M Colleoni
- Department of Medicine, European Institute of Oncology, Milan, Italy.
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74
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Bear HD, Anderson S, Brown A, Smith R, Mamounas EP, Fisher B, Margolese R, Theoret H, Soran A, Wickerham DL, Wolmark N. The effect on tumor response of adding sequential preoperative docetaxel to preoperative doxorubicin and cyclophosphamide: preliminary results from National Surgical Adjuvant Breast and Bowel Project Protocol B-27. J Clin Oncol 2003; 21:4165-74. [PMID: 14559892 DOI: 10.1200/jco.2003.12.005] [Citation(s) in RCA: 816] [Impact Index Per Article: 38.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
PURPOSE The National Surgical Adjuvant Breast and Bowel Project Protocol B-27 was designed to determine the effect of adding docetaxel after four cycles of preoperative doxorubicin and cyclophosphamide (AC) on clinical and pathological response rates and on disease-free and overall survival of women with operable breast cancer. PATIENTS AND METHODS Women (N = 2,411) with operable primary breast cancer were randomly assigned to receive either four cycles of preoperative AC followed by surgery (group I), or four cycles of AC followed by four cycles of docetaxel, followed by surgery (group II), or four cycles of AC followed by surgery and then four cycles of docetaxel (group III). Clinical and pathologic tumor responses to preoperative therapy were assessed. RESULTS Mean tumor size (4.5 cm) and other key characteristics were evenly balanced among the three treatment arms. Grade 4 toxicity was observed in 10.3% of 2,400 patients during AC treatment, and in 23.4% of 1584 patients during docetaxel treatment. Compared to preoperative AC alone, preoperative AC followed by docetaxel increased the clinical complete response rate (40.1% v 63.6%; P <.001), the overall clinical response rate (85.5% v 90.7%; P <.001), the pathologic complete response rate (13.7% v 26.1%; P <.001), and the proportion of patients with negative nodes (50.8% v 58.2%; P <.001). Pathologic primary breast tumor response was a significant predictor of pathologic nodal status (P <.001). CONCLUSION The addition of four cycles of preoperative docetaxel after four cycles of preoperative AC significantly increased clinical and pathologic response rates for operable breast cancer.
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Affiliation(s)
- Harry D Bear
- Virginia Commonwealth University, Medical College of Virginia School of Medicine, Richmond, VA, USA.
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75
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Abstract
Breast cancer detection and management have undergone dramatic changes over the past three decades. Women are increasingly diagnosed with early stage disease, and leaving them with breast conserving options versus mastectomy. Furthermore, advances in the chemoprevention arena offer the promise of reduced overall breast cancer burden in the future.
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Affiliation(s)
- Lisa A Newman
- University of Michigan Comprehensive Cancer Center, 1500 East Medical Center Drive, 3308 Cancer Center, Ann Arbor, MI 48109-0932, USA.
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76
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Abstract
Breast conservation therapy for early-stage invasive breast cancer provides survival equivalent to mastectomy. Careful patient selection and surgical technique are necessary to minimize local recurrence. Extensive studies of breast conservation therapy over the past 15 years have identified risk factors for local recurrence, and have proven that certain cases previously thought to be ineligible for lumpectomy (such as occult breast cancer, locally advanced breast cancer, macromastia, and cancer in pregnant patients), can be safely managed with modified BCT approaches. Recent trends in breast cancer management, such as expanded applications of induction chemotherapy, use of magnetic resonance imaging and ultra sound, and touch-prep cytology for intraoperative margin evaluation, can improve success rates for BCT. New developments with brachytherapy may also improve BCT availability by shortening duration of treatment. Innovations with minimally invasive tumor ablation techniques are investigational at present, but may obviate the need for surgical resections in selected patients in the future. Local recurrences that develop after breast conservation therapy should be managed aggressively, as long-term survival can frequently be achieved.
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Affiliation(s)
- Lisa A Newman
- Division of Surgical Oncology, University of Michigan Comprehensive Cancer Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0932, USA.
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McIntosh SA, Ogston KN, Payne S, Miller ID, Sarkar TK, Hutcheon AW, Heys SD. Local recurrence in patients with large and locally advanced breast cancer treated with primary chemotherapy. Am J Surg 2003; 185:525-31. [PMID: 12781879 DOI: 10.1016/s0002-9610(03)00078-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND Primary chemotherapy is being given in the treatment of large and locally advanced breast cancers, but a major concern is local relapse after therapy. This paper has examined patients treated with primary chemotherapy and surgery (either breast-conserving surgery or mastectomy) and has examined the role of factors which may indicate those patients who are subsequently more likely to experience local recurrence of disease. METHODS A consecutive series of 173 women, with data available for 166 of these, presenting with large and locally advanced breast cancer (T2>/=4 cm, T3, T4, or N2) were treated with primary chemotherapy comprising cyclophosphamide, vincristine, doxorubicin, and prednisolone and then surgery (either conservation or mastectomy with axillary surgery) followed by radiotherapy were examined. RESULTS The clinical response rate of these patients was 75% (21% complete and 54% partial), with a complete pathological response rate of 15%. A total of 10 patients (6%) experienced local disease relapse, and the median time to relapse was 14 months (ranging from 3 to 40). The median survival in this group was 27 months (ranging from 13 to 78). In patients having breast conservation surgery, local recurrence occurred in 2%, and in those undergoing mastectomy 7% experience local relapse of disease. Factors predicting patients most likely to experience local recurrence were poor clinical response and residual axillary nodal disease after chemotherapy. CONCLUSIONS Excellent local control of disease can be achieved in patients with large and locally advanced breast cancers using a combination of primary chemotherapy, surgery and radiotherapy. However, the presence of residual tumor in the axillary lymph nodes after chemotherapy is a predictor of local recurrence and patients with a better clinical response were also less likely to experience local disease recurrence. The size and degree of pathological response did not predict patients most likely to experience recurrence of disease.
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Affiliation(s)
- Stuart A McIntosh
- Aberdeen Breast Unit, Ward 34, Aberdeen Royal Infirmary and University of Aberdeen, Foresterhill, AB25 2ZN, Aberdeen, Scotland, United Kingdom
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78
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Pierga JY, Mouret E, Laurence V, Diéras V, Savigioni A, Beuzeboc P, Dorval T, Palangié T, Jouve M, Pouillart P. Prognostic factors for survival after neoadjuvant chemotherapy in operable breast cancer. the role of clinical response. Eur J Cancer 2003; 39:1089-96. [PMID: 12736108 DOI: 10.1016/s0959-8049(03)00069-8] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The aim of this retrospective study was to assess predictive factors for clinical response to preoperative chemotherapy and prognostic factors for survival. From 1981 to 1992, 936 patients with T2-T3, N0-N1 breast cancer who received 2-6 months (median 4) of preoperative chemotherapy were selected from the Institute Curie database. Preoperative treatment was followed by surgery and/or radiotherapy. Median follow-up was 8.5 years (range 7-211 months). The objective response rate before surgery and/or radiotherapy was 58.3%. In stepwise multivariate analysis (Cox model), favourable prognostic factors for survival were the absence of pathological axillary lymph node involvement (Relative Risk (RR) 1.54; P=0.0004), low histological tumour grade (RR=1.54; P=0.0017), clinical response to preoperative chemotherapy (RR=1.45, P=0.0013), positive progesterone receptor (PR) status (RR=1.56; P=0.0001), smaller tumour size (RR=1.37; P=0.005) and lack of clinical lymph node involvement (RR=1.42; P=0.007). The association of clinical tumour response with survival is independent of the baseline characteristics of the tumour. Clinical response could be used as a surrogate marker for evaluation of the efficacy of neoadjuvant chemotherapy before assessment of the pathological response.
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Affiliation(s)
- J-Y Pierga
- Medical Oncology Department, Institut Curie, 26 rue d'Ulm, 75231 Paris Cedex 05, France.
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79
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80
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Petit T, Borel C, Theobald S, Serin D, Rodier JF, Prevot G, Brettes JP, Klein T. Randomized multicentric study of perioperative chemotherapy with mitoxantrone in early breast cancer. Ann Surg Oncol 2003; 10:369-75. [PMID: 12734084 DOI: 10.1245/aso.2003.07.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND To confirm the hypothesis that reducing the interval between surgery and adjuvant chemotherapy could improve prognosis, a randomized multicentric study of adjuvant perioperative chemotherapy (POC) in breast cancer was initiated. METHODS A total of 552 patients were randomized to evaluate whether the addition of POC to standard adjuvant treatment significantly improved outcome. Patients were stratified according to menopausal status, with 362 patients in the postmenopausal group and 192 patients in the premenopausal group. Premenopausal women with positive axillary nodes, negative hormonal receptors, or grade 3 tumors received adjuvant mitoxantrone-based chemotherapy. Node-negative premenopausal patients with grade 1 or 2 tumors expressing hormonal receptors received no standard adjuvant treatment. All postmenopausal women received hormonal therapy (tamoxifen 20 mg/day for 3 years). The perioperative regimen was a 14 mg/m(2) mitoxantrone infusion at the end of tumor excision. RESULTS With a median follow-up of 6.1 years, this study showed no significant advantage of POC on overall survival, disease-free survival, or metastasis-free survival for the total cohort or for the premenopausal and postmenopausal groups. CONCLUSIONS POC was a safe procedure in this study. However, the addition of POC to standard adjuvant treatment offered no benefit in breast cancer adjuvant treatment.
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Affiliation(s)
- Thierry Petit
- Department of Medical Oncology, Centre Paul Strauss, Strasbourg, France.
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81
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Mamounas EP. Neoadjuvant chemotherapy for operable breast cancer: is this the future? Clin Breast Cancer 2003; 4 Suppl 1:S10-9. [PMID: 12756074 DOI: 10.3816/cbc.2003.s.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The idea of using preoperative or neoadjuvant chemotherapy in patients with operable breast cancer originated from experimental and clinical observations as well as theoretical hypotheses on tumor cell growth and dissemination. Initially, nonrandomized studies demonstrated considerable rates of clinical tumor response, low rates of pathologic complete response (pCR), and increased rates of breast-conserving procedures. However, nonrandomized studies could not address the relative efficacy of neoadjuvant versus adjuvant chemotherapy on disease-free and overall survival. Similarly, earlier randomized trials were not designed as straightforward comparisons of neoadjuvant versus adjuvant chemotherapy and therefore could not adequately address the relative efficacy of neoadjuvant versus adjuvant chemotherapy on outcome. These answers were eventually provided by larger randomized trials that directly compared neoadjuvant with adjuvant chemotherapy, which are reviewed in more detail in this article. Potential advantages and disadvantages of the neoadjuvant approach and surgical considerations in the breast and axilla after neoadjuvant chemotherapy are also discussed. Finally, several recently reported trials of neoadjuvant therapy incorporating newer agents such as taxanes in sequence with anthracycline-containing regimens have shown further increases in pCR rates. Although outcome data are not available yet from these studies, it is hoped that the observed increase in pCR rates will be associated with improved outcome. If the previously observed significant correlation between the achievement of pCR and improved outcome continues to be demonstrated with these newer regimens, it will substantially strengthen the rationale for using neoadjuvant rather that adjuvant chemotherapy in the clinical setting as well as in future research studies.
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82
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Curé H, Amat S, Penault-Llorca F, le Bouëdec G, Ferrière JP, Mouret-Reynier MA, Kwiatkowski F, Feillel V, Dauplat J, Chollet P. Prognostic value of residual node involvement in operable breast cancer after induction chemotherapy. Breast Cancer Res Treat 2002; 76:37-45. [PMID: 12408374 DOI: 10.1023/a:1020274709327] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The purpose of this retrospective study was to evaluate the influence of axillary disease on patients' survival after neoadjuvant chemotherapy and to assess patient and tumor characteristics associated with post-chemotherapy axillary involvement. After six induction cycles, 277 patients with operable breast cancer (stage II-III) underwent surgery with axillary dissection, followed by radiotherapy (n = 267) or additional chemotherapy (n = 63) and adjuvant tamoxifen therapy (n = 138). At a median follow-up of 8.5 years, overall survival (OS) and disease-free survival (DFS) were analyzed as a function of node involvement. The differences in OS and DFS according to the number of positive nodes were highly statistically significant with a decreased survival associated with the increasing number of nodes (p = 5 x 10(-6) and 9 x 10(-7), respectively). Upon multivariate analysis, the node number after chemotherapy appeared as the most significant prognostic factor (p = 7 x 10(-4) for OS and p = 3 x 10(-5) for DFS). All the other classical prognostic factors were insignificant, except post-chemotherapy Scarff-Bloom-Richardson (SBR) grading for OS (p = 8 x 10(-4)) and adjuvant hormonotherapy for DFS (p = 1 x 10(-2)). Although constituting a different parameter from primary surgery data, the number of positive nodes after chemotherapy could still remain a valuable prognostic factor at secondary surgery, raising the question for high risk patients of a second non-cross-resistant adjuvant regimen, or high dose chemotherapy with peripheral blood stem cells support.
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Affiliation(s)
- Hervé Curé
- Centre Jean Perrin, Clermont-Ferrand, France
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83
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Huang E, McNeese MD, Strom EA, Perkins GH, Katz A, Hortobagyi GN, Valero V, Kuerer HM, Singletary SE, Hunt KK, Buzdar AU, Buchholz TA. Locoregional treatment outcomes for inoperable anthracycline-resistant breast cancer. Int J Radiat Oncol Biol Phys 2002; 53:1225-33. [PMID: 12128124 DOI: 10.1016/s0360-3016(02)02878-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE To assess the therapeutic outcomes and treatment-related morbidity of patients treated with radiation for inoperable breast cancer resistant to anthracycline-containing primary chemotherapy. METHODS AND MATERIALS We analyzed the medical records of breast cancer patients treated on five consecutive institutional trials who had been designated as having inoperable locoregional disease after completion of primary chemotherapy, without evidence of distant metastases at diagnosis. The cohort for this analysis was 38 (4.4%) of 867 patients enrolled in these trials. Kaplan-Meier statistics were used for survival analysis, and prognostic factors were compared using log-rank tests. The median follow-up of surviving patients was 6.1 years. RESULTS Thirty-two (84%) of the 38 patients were able to undergo mastectomy after radiotherapy. For the whole group, the overall survival rate at 5 years was 46%, with a distant disease-free survival rate of 32%. The 5-year survival rate for patients who were inoperable because of primary disease extent was 64% compared with 30% for those who were inoperable because of nodal disease extent (p = 0.0266). The 5-year rate of locoregional control was 73% for the surgically treated patients and 64% for the overall group. Of the 32 who underwent mastectomy, the 5-year rate of significant postoperative complications was 53%, with 4 (13%) requiring subsequent hospitalization and additional surgical revision. Preoperative radiation doses of >or=54 Gy were significantly associated with the development of complications requiring surgical treatment (70% vs. 9% for doses <54 Gy, p = 0.0257). CONCLUSION Despite the poorer prognosis of patients with inoperable disease after primary chemotherapy, almost one-half remained alive at 5 years and one-third were free of distant disease after multidisciplinary locoregional management. These patients have high rates of locoregional recurrence after preoperative radiotherapy and mastectomy, and the morbidity associated with this approach may limit dose-escalation strategies. Alternative therapeutic strategies such as novel systemic agents, use of planned myocutaneous repair for closure, or radiation combined with radiosensitizing agents, should be considered in this class of patients.
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Affiliation(s)
- Eugene Huang
- Department of Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA
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84
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Gajdos C, Tartter PI, Estabrook A, Gistrak MA, Jaffer S, Bleiweiss IJ. Relationship of clinical and pathologic response to neoadjuvant chemotherapy and outcome of locally advanced breast cancer. J Surg Oncol 2002; 80:4-11. [PMID: 11967899 DOI: 10.1002/jso.10090] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND AND OBJECTIVES Neoadjuvant chemotherapy in locally advanced breast cancers produces histologically evaluable changes and frequently reduces the size of the primary tumor. Local clinical response to neoadjuvant chemotherapy may correlate with response of distant metastases. Therefore, clinical or pathological factors, which predict or assess response to treatment, may predict outcome after consideration for initial extent of disease. METHODS To identify pretreatment characteristics of locally advanced breast cancers which predict clinical and pathologic response to neoadjuvant chemotherapy as well as survival and to assess the utility of postoperative histologic changes, we retrospectively studied one hundred forty-four patients with locally advanced breast cancer treated with neoadjuvant chemotherapy between January 1975 and July 1996. Patients were identified through pathology records of the Mount Sinai Medical Center and via one of the author's clinical databases. Pathologic and clinical responses to neoadjuvant chemotherapy were correlated with survival. Stepwise logistic regression was used to identify variables most significantly related to clinical response and pathologic axillary lymph node involvement. RESULTS Complete clinical response with no palpable tumor was noted in 7/86 patients (8%) and complete pathologic response was achieved in 18/138 patients (13%). Both clinical (P = 0.038) and pathologic response (P = 0.011) were related to tumor size at the time of diagnosis: smaller tumors were more likely to respond to chemotherapy than larger tumors. Histologic evidence of chemotherapeutic effect, i.e., cytoplasmic vacuolization, change in the number of mitoses and localized fibrosis in lymph nodes did not correlate with clinical or pathologically measured response. Clinical and pathologic response was not associated with age, histology, differentiation, or type of chemotherapy. No residual tumor was found in the axillary nodes of 27% (37) of the patients. Age and complete pathologic response were the only variables significantly related to pathologic nodal status. Eighty-four percent of the 61 patients under 50 years of age had nodal involvement compared to 65% of older patients (P = 0.014). Fifty percent of complete pathologic responders had positive axillary lymph nodes compared to 76% of patients who did not have a complete pathologic response (P = 0.020). Distant disease-free (P = 0.039) and overall survival (P = 0.035) were related to the number of involved axillary lymph nodes. After consideration for pathologic lymph node status, no other variable was significantly related to distant disease-free or overall survival in multivariate analysis. No variable was significantly related to local disease-free survival. Age, clinical tumor size, clinical lymph node status, clinical response, type of chemotherapy, histology, differentiation, chemotherapy effects on primary tumor and lymph nodes, decline in the number of mitoses, and degree of fibrosis in nodes were not predictive of distant recurrence or overall survival. CONCLUSIONS This study of patients treated with neoadjuvant chemotherapy for locally advanced breast cancers found little evidence that measurable clinical or pathologic changes attributable to chemotherapy predicted survival. Axillary lymph node status, associated with young age, was the most important prognostic indicator in these patients.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Breast Neoplasms/drug therapy
- Breast Neoplasms/mortality
- Breast Neoplasms/pathology
- Carcinoma, Ductal, Breast/drug therapy
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Lobular/drug therapy
- Carcinoma, Lobular/mortality
- Carcinoma, Lobular/pathology
- Female
- Humans
- Lymph Nodes/pathology
- Lymphatic Metastasis
- Middle Aged
- Neoadjuvant Therapy
- Predictive Value of Tests
- Prognosis
- Survival Rate
- Treatment Outcome
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Affiliation(s)
- Csaba Gajdos
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611, USA.
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85
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Newman LA, Buzdar AU, Singletary SE, Kuerer HM, Buchholz T, Ames FC, Ross MI, Hunt KK. A prospective trial of preoperative chemotherapy in resectable breast cancer: predictors of breast-conservation therapy feasibility. Ann Surg Oncol 2002; 9:228-34. [PMID: 11923128 DOI: 10.1007/bf02573059] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND The role of preoperative chemotherapy for breast cancer is evolving. We initiated a prospective trial of sequential preoperative paclitaxel and doxorubicin-based combination chemotherapy in patients with stage I (tumor >1 cm), II, or IIIA disease and evaluated its effect on breast-conservation therapy (BCT) eligibility. METHODS Pathology findings for the initial 100 consecutive patients who underwent surgery were analyzed. RESULTS The median tumor size at presentation was 2.4 cm, and 39% of patients were deemed eligible for BCT. After chemotherapy, the median tumor size decreased to 1.0 cm (P <.001), and 59% of patients seemed BCT eligible (BCT conversion rate 34% among patients initially assessed as BCT ineligible; P <.001). Final pathology confirmed BCT feasibility in 90% of patients assessed as BCT candidates before surgery. The pathology from mastectomy specimens revealed BCT feasibility in 11 (27%) of 41 patients deemed BCT ineligible. Multivariate analysis revealed lobular histology, multicentricity, and calcifications, but not age, initial tumor size, or nodal status to predict final pathology indicating BCT ineligibility. CONCLUSIONS Induction chemotherapy improves BCT eligibility for breast cancer patients. Improved breast imaging methods after chemotherapy are necessary to improve accuracy in predicting the feasibility of BCT, especially in patients presenting with diffuse calcifications or multicentricity.
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Affiliation(s)
- Lisa A Newman
- Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030-4009, USA
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86
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Smith IC, Heys SD, Hutcheon AW, Miller ID, Payne S, Gilbert FJ, Ah-See AK, Eremin O, Walker LG, Sarkar TK, Eggleton SP, Ogston KN. Neoadjuvant chemotherapy in breast cancer: significantly enhanced response with docetaxel. J Clin Oncol 2002; 20:1456-66. [PMID: 11896092 DOI: 10.1200/jco.2002.20.6.1456] [Citation(s) in RCA: 363] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To compare the efficacy of neoadjuvant (NA) docetaxel (DOC) with anthracycline-based therapy and determine the efficacy of NA DOC in patients with breast cancer initially failing to respond to anthracycline-based NA chemotherapy (CT). PATIENTS AND METHODS Patients with large or locally advanced breast cancer received four pulses of cyclophosphamide 1,000 mg/m(2), doxorubicin 50 mg/m(2), vincristine 1.5 mg/m(2), and prednisolone 40 mg (4 x CVAP) for 5 days. Clinical tumor response was assessed. Those who responded (complete response [CR] or partial response [PR]) were randomized to receive further 4 x CVAP or 4 x DOC (100 mg/m(2)). All nonresponders received 4 x DOC. RESULTS One hundred sixty-two patients were enrolled; 145 patients completed eight cycles of NA CT. One hundred two patients (66%) achieved a clinical response (PR or CR) after 4 x CVAP. After randomization, 50 patients received 4 x CVAP and 47 patients received 4 x DOC. In patients who received eight cycles of CT, the clinical CR (cCR) and clinical PR (cPR) (94% v 66%) and pathologic CR (pCR) (34% v 16%) response rates were higher (P =.001 and P =.04) in those who received further DOC. Intention-to-treat analysis demonstrated cCR and cPR (85% v 64%; P =.03) and pCR (31% v 15%; P =.06). Axillary lymph node examination revealed residual tumor in 33% of patients who received 8 x CVAP and 38% of patients who received further DOC. In patients who failed to respond to the initial CVAP, 4 x DOC resulted in a cCR and cPR rate of 55% and a pCR rate of 2%. Forty-four percent of these patients had residual tumor within axillary lymph nodes. CONCLUSION NA DOC resulted in substantial improvement in responses to DOC.
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Affiliation(s)
- Ian C Smith
- Department of Academic Radiology, University of Aberdeen, Foresterhill, Aberdeen, Scotland, United Kingdom.
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87
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Rouzier R, Extra JM, Klijanienko J, Falcou MC, Asselain B, Vincent-Salomon A, Vielh P, Bourstyn E. Incidence and prognostic significance of complete axillary downstaging after primary chemotherapy in breast cancer patients with T1 to T3 tumors and cytologically proven axillary metastatic lymph nodes. J Clin Oncol 2002; 20:1304-10. [PMID: 11870173 DOI: 10.1200/jco.2002.20.5.1304] [Citation(s) in RCA: 178] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To determine the incidence and prognostic significance of eradication of cytologically proven axillary lymph node metastases in breast cancer patients treated with primary chemotherapy. PATIENTS AND METHODS Between January 1985 and December 1994, 152 breast cancer patients with invasive T1 to T3 tumors and axillary metastases cytologically proven by fine-needle sampling underwent primary chemotherapy followed by lumpectomy or mastectomy, level I and II axillary lymph node dissection, and irradiation. We studied pathologic complete responses (pCRs) of axillary nodes and breast tumors, as well as predictors of distant metastases. RESULTS Thirty-five patients (23%) had axillary pCRs, and 20 patients (13.2%) had pCRs of primary breast tumors. Scarff-Bloom-Richardson grade 3 tumors (P =.04) and a clinical response to chemotherapy > or = 50% (P =.003) were associated with negative axillary status at dissection. An initial tumor size < or = 3 cm (63 patients) was associated with pCR of the primary tumor (P =.02) but not with complete histologic clearance of axillary lymph nodes. The median length of follow-up was 75 months. In the univariate analysis, age greater than 40 years (P =.003), absence of residual nodal disease (P =.01), and pCR of the tumor (P =.05) were associated with better distant disease-free survival. Five-year distant disease-free survival rates were 73.5% +/- 14.9% among patients with no involved nodes at the time of surgery and 48.7% +/- 9.2% among patients with residual nodal disease. In the multivariate Cox regression analysis, parameters associated with poor distant disease-free survival were age < or = 40 years (P =.002), persistence of nodal involvement (P =.03), and S-phase fraction greater than 4% (P =.02). CONCLUSION Our results suggest that axillary status is a better prognostic factor than response of the primary tumor to primary chemotherapy.
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Affiliation(s)
- Roman Rouzier
- Department of Surgery, Institut Curie, Paris, France
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88
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van der Hage JA, van de Velde CJ, Julien JP, Tubiana-Hulin M, Vandervelden C, Duchateau L. Preoperative chemotherapy in primary operable breast cancer: results from the European Organization for Research and Treatment of Cancer trial 10902. J Clin Oncol 2001; 19:4224-37. [PMID: 11709566 DOI: 10.1200/jco.2001.19.22.4224] [Citation(s) in RCA: 758] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
PURPOSE To evaluate whether preoperative neoadjuvant chemotherapy in patients with primary operable breast cancer results in better overall survival (OS) and relapse-free survival rates and whether preoperative chemotherapy permits more breast-conserving surgery procedures than postoperative chemotherapy. PATIENTS AND METHODS Six hundred ninety-eight breast cancer patients (T1c, T2, T3, T4b, N0 to 1, and M0) were enrolled onto a randomized phase III trial that compared four cycles of fluorouracil, epirubicin, and cyclophosphamide administered preoperatively versus the same regimen administered postoperatively (the first cycle administered within 36 hours after surgery). Patients were followed up for OS, progression-free survival (PFS), and locoregional recurrence (LRR). RESULTS At a median follow-up of 56 months, there was no significant difference in terms of OS (hazards ratio, 1.16; P =.38), PFS (hazards ratio, 1.15; P =.27), and time to LRR (hazards ratio, 1.13; P =.61). Fifty-seven patients (23%) were downstaged by the preoperative chemotherapy, whereas 14 patients (18%) underwent mastectomy and not the planned breast-conserving therapy. CONCLUSION The use of preoperative chemotherapy yields similar results in terms of PFS, OS, and locoregional control compared with conventional postoperative chemotherapy. In addition, preoperative chemotherapy enables more patients to be treated with breast-conserving surgery. Because preoperative chemotherapy does not improve disease outcome compared with postoperative chemotherapy, future trials should involve quality-of-life studies to investigate whether patients will benefit from this treatment modality.
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Affiliation(s)
- J A van der Hage
- European Organization for Research and Treatment of Cancer Data Center, Brussels, Belgium.
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89
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Aapro MS. Adjuvant therapy of primary breast cancer: a review of key findings from the 7th international conference, St. Gallen, February 2001. Oncologist 2001; 6:376-85. [PMID: 11524557 DOI: 10.1634/theoncologist.6-4-376] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Breast cancer research has developed at a rapid pace over the last decades. Recent discoveries promise to provide individualized treatment options, increased long-term survival for women with breast cancer, and the possibility of moving toward curative intent in the treatment of advanced breast cancer. Age, race, tumor size, histological tumor type, axillary nodal status, standardized pathological grade, and hormone-receptor status are accepted as established prognostic and/or predictive factors for selection of systemic adjuvant treatment of breast cancer. The role of other promising new factors, such as p53 mutations, HER-2 status, plasminogen activator system, histological evidence of vascular invasion, and quantitative parameters of angiogenesis will be determined in ongoing prospective studies. Currently, 5 years' treatment with adjuvant tamoxifen in women with hormone-positive receptor status, is regarded as the optimal duration of treatment. Long-term follow-up on the randomized trials will determine the added benefit of treatment beyond 5 years. Ovarian ablation has shown a reduction in recurrence and death, and the exact role and extent of adjuvant chemotherapy in premenopausal women with hormone-responsive tumors is under discussion. Combination hormonal and chemo-hormonal therapies are also being evaluated. There are no convincing data on the survival impact of tamoxifen as a preventative therapy for breast cancer: longer-term follow-up is required, and the planned meta-analyses in 2005 should help shed light on this issue. Statistically significant benefits have been observed with adjuvant chemotherapy (particularly with anthracycline-containing regimens in premenopausal women) versus no adjuvant chemotherapy. The optimal length of adjuvant anthracycline/cyclophosphamide (AC) regimens needs further evaluation as do randomized comparisons of AC to cyclophosphamide/ doxorubicin/5-fluorouracil (5-FU) and cyclophosphamide/epirubicin/5-FU. Although taxanes promise to provide an additive benefit to adjuvant chemotherapy regimens, the Cancer and Leukemia Group B 9344 and the National Surgical Adjuvant Breast and Bowel Project B-28 studies evaluating paclitaxel in the adjuvant setting have not yet demonstrated statistically significant benefits on disease-free survival and overall survival. In the year 2000, all adjuvant therapy studies conducted by the Co-operative Groups in both node-negative and node-positive disease involve a taxane. High-dose chemotherapy evaluations are still ongoing. The numerous prospective adjuvant therapy trials (hormonal; selective estrogen-receptor modulators; aromatase inhibitors; chemotherapy, involving anthracyclines/taxanes/platinum/trastuzumab; biological factors; elderly women (>70 years); high-risk patients; radiotherapy in 1-3 positive lymph nodes), and neoadjuvant studies might further define the chances to enhance cure rates in the treatment of primary breast cancer.
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90
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Abstract
It remains unclear whether neoadjuvant therapy increases disease-free survival when compared with an approach in which chemotherapy is delayed until after surgery. However, the current rationale for neoadjuvant therapy is based on its usefulness in quickly evaluating the likely benefit of new approaches to treatment and tailoring therapy to the biological characteristics of the individual tumor. In the primary therapy of breast cancer, the Aberdeen study shows that patients unresponsive to an anthracycline-based neoadjuvant regimen may achieve a response when switched to docetaxel. Further, patients with an initial clinical response to CVAP were more likely to show a pathological complete response (pCR) at final assessment when four cycles of CVAP were followed by four of docetaxel than when CVAP was maintained for eight cycles (pCR rate 34% versus 16%). Early data suggest that this difference translates into significantly lengthened progression-free survival. As in other disease settings, it may be possible to devise nonanthracycline-containing neoadjuvant regimens which are at least as effective as those in current use.
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Affiliation(s)
- M S Aapro
- Clinique de Genolier, Genolier, Switzerland.
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91
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Ozmen V, Cabioglu N, Dolay K, Bilir A, Kecer M, Aydiner A, Muslumanoglu M, Igci A, Bozfakioglu Y, Dagoglu T. Biological considerations in locally advanced breast cancer treated with anthracycline-based neoadjuvant chemotherapy: thymidine labelling index is an independent indicator of clinical outcome. Breast Cancer Res Treat 2001; 68:147-57. [PMID: 11688518 DOI: 10.1023/a:1011956502082] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The present retrospective study aims to determine the clinical value of thymidine labelling index (TLI) together with other established clinical and biological factors in 116 locally advanced breast cancer (LABC) patients treated with anthracycline-based neoadjuvant chemotherapy, surgery, adjuvant chemotherapy and radiotherapy. TLI was determined in 71 LABC patients with a median of 2.62% (0-23.64%) and a mean of 4.71% +/- 5.54. As a result of neoadjuvant chemotherapy, 85 patients (73%) responded to chemotherapy (CT), whereas 31 patients were unresponsive (27%). No relationship has been found between the pretreatment biological variables including TLI, estrogen receptor (ER), progesteron receptor (PgR) status and clinical parameters such as the chemotherapy response rates and axillary lymph node involvement following chemotherapy. Median follow-up was 35 months (18-97 months) and the 3-year overall survival (OS) and disease free survival (DFS) rates were 71.6% and 52.2%, respectively. In univariate analysis, patients with inflammatory breast cancer, high TLI-index (> or = 2.62%), lymph node (LN) positivity or > 3 positive lymph nodes following neoadjuvant chemotherapy and without any response to neoadjuvant chemotherapy were found to have worse DFS and OS-rates and high local and systemic recurrence rates. In multivariate analysis, TLI was estimated as the most powerful independent factor affecting the OS in LABC patients among the other established clinical and biological parameters (p = 0.02). These results suggest that TLI is an important independent indicator of clinical outcome in patients with LABC and these patients with high TLI levels require more effective treatment modalities.
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Affiliation(s)
- V Ozmen
- Department of Surgery, Istanbul Medical Faculty, University of Istanbul, Turkey.
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92
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Xu JM, Song ST, Tang ZM, Jiang ZF, Liu XQ, Zhang J, Liu XW, Paradiso A. Neoadjuvant chemotherapy in inoperable, locally advanced, and inflammatory breast carcinoma: a pilot study of MTT assay in vitro and outcome analysis of 10 patients. Am J Clin Oncol 2001; 24:259-63. [PMID: 11404497 DOI: 10.1097/00000421-200106000-00010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Patients with inoperable, locally advanced, and inflammatory breast carcinoma (LAIBC), whether with supraclavicular lymph nodes (SLN) or not (stage IIIB and IV), usually carry an overall poor prognosis. The current treatment for these patients is by means of combined modality, including preoperative chemotherapy. This strategy has led to a substantial improvement in clinical response, making some patients operable, and even making breast conservative surgery possible. However, the long-term results still are not promising. The aim of this pilot study was to determine the efficacy of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay in vitro in directing chemotherapy (including preoperative adjuvant chemotherapy and postoperative adjuvant chemotherapy) for these patients. Between June 1994 and March 1997, 10 patients with inoperable LAIBC, whether with SLN or not, were enrolled. During the period of the combined therapy modalities, the neoadjuvant chemotherapy was adopted for three cycles according to the results of chemosensitivity in vitro by MTT assay. Then a modified radical or radical mastectomy was performed, which was followed by radiotherapy and further postoperative adjuvant chemotherapy with the same regimen as that of neoadjuvant chemotherapy. All patients had been followed up from the beginning of neoadjuvant chemotherapy to the end of October 1999. Two patients had clinical complete response (CRs), with one having pathologic CR in both breast tumor and axillary lymph node, and the other having pathologic CR in axillary lymph node. The other eight patients had partial response. By the time of analysis, six patients had been dead of relapse or progression. Among the four patients who were still alive, one had local relapse, one had distant metastatic disease, and the other two had no evident disease. By retrieving from MEDLINE before 1999, the authors learned that this is the first pilot study of neoadjuvant chemotherapy for inoperable LAIBC using MTT assay to predict the chemosensitivity in vitro. Compared with conventional chemotherapy, the clinical response and long-term results seem to be more encouraging.
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Affiliation(s)
- J M Xu
- Beijing 307 Hospital Cancer Center, Beijing, China
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93
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Pierga JY, Robain M, Jouve M, Asselain B, Diéras V, Beuzeboc P, Palangié T, Dorval T, Extra JM, Scholl S, Pouillart P. Response to chemotherapy is a major parameter-influencing long-term survival of metastatic breast cancer patients. Ann Oncol 2001; 12:231-7. [PMID: 11300330 DOI: 10.1023/a:1008330527188] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND In cancer patients, correlation between response to chemotherapy and gain in survival remains debated. We addressed this question in a multivariate analysis evaluating response to chemotherapy as a factor influencing survival of patients with metastatic breast cancer. PATIENTS AND METHODS From 1977 to 1992, 1430 patients included in eight consecutive prospective trials of anthracycline-based first-line chemotherapy in metastatic breast cancer, were available for assessment. Median follow-up was 155 months. RESULTS Median survival from the date of randomisation was 24 months. Objective response rate was 63.6%. A complete response (CR) was achieved in 17% (249 patients). In a stepwise forward progression analysis objective response was the first independent prognostic factor for survival. Median survival time was 43 months for complete responders (CR), 29 months for partial responders (PR), 18 months for stable disease (SD), 5 months for progressive disease (PD). The probability of survival at 5 and 10 years was 35% and 15% for CR's and decreased to 18% and 6% for PR's. The timing of best response (at 4 or 8 months) was not related to outcome. CONCLUSIONS Response to an anthracycline-based chemotherapy is a major independent prognostic factor in metastatic breast cancer. The use of this factor to investigate new drugs seems to be pertinent. The good prognosis of complete responders justifies further evaluation of new treatment strategies for this patient population.
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Affiliation(s)
- J Y Pierga
- Medical Oncology Department, Institut Curie, Paris, France.
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94
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Pierga JY, Mouret E, Diéras V, Laurence V, Beuzeboc P, Dorval T, Palangié T, Jouve M, Vincent-Salomon A, Scholl S, Extra JM, Asselain B, Pouillart P. Prognostic value of persistent node involvement after neoadjuvant chemotherapy in patients with operable breast cancer. Br J Cancer 2000; 83:1480-7. [PMID: 11076657 PMCID: PMC2363409 DOI: 10.1054/bjoc.2000.1461] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Neoadjuvant chemotherapy is able to reduce the size of the majority of breast tumours and down-stage axillary-node status. The aim of this study was to assess the prognostic value of persistent node involvement after neoadjuvant chemotherapy. A total of 488 patients with T2-T3, N0-N1 breast cancer treated by neoadjuvant chemotherapy followed by tumour excision and axillary lymph-node dissection between 1981 and 1992 were selected from the Institut Curie database. Median follow-up was 7 years. Overall objective response rate before local treatment was 52% and breast tumour size was reduced in 83% of patients. No pathologic nodal involvement was observed in 46. 5% of patients. Patients with > or = eight positive nodes had a very poor median disease-free survival of only 20 months. Their 10-year disease-free survival rate was 7%, while the 10-year disease-free survival rate for patients with no node involvement was 64%. Median survival for patients with > or = eight nodes positive was 48 months and the 10-year survival rate was 26% (P < 0.0001). On multivariate analysis, outcome was strongly correlated with pathological nodal status, tumour grade, hormonal receptor status and clinical response of the tumour. In conclusion, patients with extensive nodal involvement after neoadjuvant chemotherapy have a very poor outcome. Second-line treatment should be considered in this population.
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Affiliation(s)
- J Y Pierga
- Medical Oncology Department, Institut Curie, 26 Rue d'Ulm, Paris Cedex 05, 75248, France
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95
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Cameron DA, Gregory WM, Bowman A, Anderson ED, Levack P, Forouhi P, Leonard RC. Identification of long-term survivors in primary breast cancer by dynamic modelling of tumour response. Br J Cancer 2000; 83:98-103. [PMID: 10883676 PMCID: PMC2374548 DOI: 10.1054/bjoc.2000.1216] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Although clinical response to primary chemotherapy in stage II and III breast cancer is associated with a survival advantage, it is the degree of pathological response in the breast and ipsilateral axilla that best identifies patients with a good long-term outcome. A mathematical model of the initial response of 39 locally advanced tumours to anthracycline-based primary chemotherapy has been previously shown to predict subsequent clinical tumour size. This model allows for the possibility of primary resistant disease, the presence of which should therefore be associated with a worse outcome. This study reports the application of this model to an additional five patients with locally advanced breast cancer, as well as to 63 patients with operable breast cancer, and confirms the biological reality of the model parameters for these 100 breast cancers treated with primary anthracycline-based chemotherapy. The tumours that responded to chemotherapy had higher cell-kill (P < 0.0005), lower resistance (P < 0.0001) and slower tumour regrowth (P < 0.002). Furthermore, ER-negative tumours had higher cell-kill (P < 0.05), as compared with ER-positive tumours. All patients with a pathological complete response had zero resistance according to the model. Furthermore, the long-term implication of chemo-resistant disease was demonstrated by survival analysis of these two groups of patients. At a median follow-up of 3.7 years, there was a statistically significantly worse survival for the 37 patients with locally advanced breast cancer identified by the model to have more than 8% primary resistant tumour (P < 0.003). The specificity of this putative prognostic indicator was confirmed in the 63 patients presenting with operable disease where, at a median follow-up of 7.7 years, those women with a resistant fraction of greater than 8% had a significantly worse survival (P < 0.05). Application of this model to patients treated with neoadjuvant chemotherapy may allow earlier identification of clinically significant resistance and permit intervention with alternative non-cross-resistant therapies such as taxoids.
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Affiliation(s)
- D A Cameron
- Department of Clinical Oncology, Western General Hospital, Edinburgh, UK
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96
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Abstract
PURPOSE Laboratory studies suggest that primary systemic therapy (PST) could improve control of micrometastatic disease and impact on overall survival (OS). This article examines the rationale for and preclinical and clinical data of PST in operable breast cancer and the potential role of intermediate biomarkers as predictive and/or prognostic factors for response and survival. DESIGN AND METHOD We conducted an extensive literative review (including MEDLINE) on preclinical studies, single-arm feasibility studies, large randomized single- and multi-institutional trials, and laboratory correlate studies of PST in breast cancer. RESULTS Small trials in locally advanced disease showed high initial rates of response and local control. Six randomized clinical trials (RCTs) of PST for palpable, operable breast cancer have been reported since 1991 (from 204 to 1,523 patients each). These data clearly show a small but significant (less than 10%) absolute increase in the use of breast-conservation treatment (BCT) with similar rates of local control. Although one study showed better disease-free survival (DFS) and another showed better OS, most studies did not show any survival advantage of primary versus adjuvant systemic therapy. Thus far, pathologic complete response seems to be the best predictor of survival, but clinical response assessment correlates poorly with pathologic response. Pilot studies demonstrated feasibility of procuring tissue at diagnosis and after treatment for assays of potential intermediate biomarkers. Initial data suggest a potential correlation between markers of proliferation and apoptosis and in vivo chemotherapy sensitivity. CONCLUSION Thus far, RCTs of PST versus standard adjuvant therapy have not shown any clear benefit for DFS or OS in early breast cancer. Ongoing trials should determine if specific subsets of patients at risk would benefit from additional systemic therapy and the potential role of intermediate biomarkers in identifying such women. Although PST results in a small increase in the rate of BCT with similar rates of local control, current PST strategies should not replace standard adjuvant approaches. Rather, they represent an acceptable alternative to women with palpable, operable tumors and an excellent arena for clinical trials.
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Affiliation(s)
- A C Wolff
- Johns Hopkins Oncology Center, The Johns Hopkins University School of Medicine, Baltimore, MD 21231-1000, USA.
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97
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Walker LG, Heys SD, Walker MB, Ogston K, Miller ID, Hutcheon AW, Sarkar TK, Ah-See AK, Eremin O. Psychological factors can predict the response to primary chemotherapy in patients with locally advanced breast cancer. Eur J Cancer 1999; 35:1783-8. [PMID: 10673992 DOI: 10.1016/s0959-8049(99)00169-0] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This study evaluated the possible value of psychological variables in predicting clinical and pathological response to primary chemotherapy. 96 women with newly diagnosed large, or locally advanced, breast cancer (T2 > 4 cm, T3, T4, N2 and M0) participated in a prospective, randomised trial to evaluate the effects of relaxation training with guided imagery and L-arginine on response to primary chemotherapy. Before the first of six cycles of primary chemotherapy, women were assessed using the Hospital Anxiety and Depression Scale (HADS) and the Eysenck Personality Questionnaire (EPQ). The primary outcomes were clinical response (evaluated using standard International Union Against Cancer (UICC) criteria) and pathological response (graded by means of a previously published 5-point scale) following primary chemotherapy. Stepwise linear regressions were used to estimate the predictive value of age, menopausal status, clinical nodal status, tumour size at diagnosis, oestrogen receptor status, dietary supplementation (L-arginine versus placebo), personality (EPQ-L scores), mood (HADS scores) and a psychological intervention. HADS depression score was a significant independent predictor of pathological response to chemotherapy. HADS anxiety score was a significant independent predictor of clinical response. Because the original tumour size before chemotherapy (also a significant predictor of clinical and pathological responses) was taken into account in the analyses, the results cannot be explained in terms of psychobiological factors related to tumour size. This study supports the importance of psychological factors as independent predictors of response to primary chemotherapy in patients with breast cancer. If they can be replicated, these findings have major implications for the management of women with breast cancer. Psychological factors need to be assessed and evaluated in future trials of chemotherapy.
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Affiliation(s)
- L G Walker
- Institute of Rehabilitation, University of Hull, U.K.
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98
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Brain EG, Misset JL, Rouëss J. Primary chemotherapy or hormonotherapy for patients with breast cancer. Cancer Treat Rev 1999; 25:187-97. [PMID: 10448127 DOI: 10.1053/ctrv.1998.0118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Scientific rationale for primary treatment of breast cancer relies on experimental data showing that the incidence and growth of disease correlate with the primary tumour mass and tumoral angiogenesis. Although the strategy may be applied to both chemotherapy and hormonotherapy, only the first was extensively explored for patients with locally advanced breast cancer in order to improve survival and to avoid mastectomy through the achievement of a downstaging of the tumour. Encouraging results obtained in this clinically advanced setting combined with renewed interest for tumoral angiogenesis brought clinicians to apply this strategy to smaller tumours. Despite high clinical and radiological response rates, only pathologic information, carefully assessed in both the primary and axillae lymph nodes, stands out as the major source of prognostic information on patients' outcome. Recent developments in chemotherapy (dose-intensity, new drugs) do not seem to influence these results, indicating the possible limitations of recent developments in chemotherapy. Of 6 published randomized trials comparing primary vs adjuvant chemotherapy, none showed any significant impact of primary chemotherapy on survival, with a trend towards delayed/less distant recurrences in patients treated by primary chemotherapy in some. Some recent reports suggest that local relapse rate might be increased after conservative treatment following induction chemotherapy in subgroups analyse and this should cause oncologists to revise and define the role for conservative surgery after primary medical treatment without calling into question the global strategy. Through sequential samplings, neoadjuvant medical treatment provides indeed the opportunity (a) to identify molecular mechanisms associated with pathologic response and (b) to study the possibility to guide the choices for induction treatment and patient populations submitted to primary medical treatment.
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Affiliation(s)
- E G Brain
- Department of Medical Oncology, Cancer Centre René Huguenin, 35, rue Dailly, Saint-Cloud, 92210, France.
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99
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Abstract
The multidisciplinary management of patients with locally advanced breast cancer (LABC) has evolved over the last three decades. The introduction of chemotherapy (CT) and endocrine therapy in conjunction with surgery and radiation therapy (XRT) have changed the natural history of this disease. The authors discuss the role of the taxanes, novel endocrine therapy, and high-dose CT programs in the management of LABC. Indications for breast-conserving surgery are presented. The role of prognostic and predictive tumor markers in LABC is discussed.
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Affiliation(s)
- F J Esteva
- Department of Breast Medical Oncology, University of Texas M. D. Anderson Cancer Center, Houston, USA
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100
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Braud AC, Asselain B, Scholl S, De La Rochefordière A, Palangie T, Dieras V, Pierga JY, Dorval T, Jouve M, Beuzeboc P, Pouillart P. Neoadjuvant chemotherapy in young breast cancer patients: correlation between response and relapse? Eur J Cancer 1999; 35:392-7. [PMID: 10448288 DOI: 10.1016/s0959-8049(98)00393-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The aim of this analysis was to assess how the clinical response to chemotherapy corresponded to long-term prognosis in patients of less than 35 years of age. A retrospective analysis was made of response and survival data of 609 premenopausal patients who had been treated by four cycles of neoadjuvant chemotherapy followed by surgery and/or radiotherapy. Patients were stratified into three age groups (group 1, < or = 35 years; group 2, 35-40 years; group 3, > or = 41 years). Objective and complete clinical response rates were significantly higher in the youngest patients (below 35 yrs: P = 0.005 and P = 0.001, respectively) in stark contrast to a particularly poor outcome of this subpopulation. Five-year local recurrence rates were 31% in the youngest patients, compared with 26% and 16% in groups 2 and 3, respectively (P = 0.0007). Group 1 patients also had significantly higher 5-year metastatic relapse rates (41% versus 35% and 28%; P = 0.007) and 5-year survival figures were 70%, 82% and 84% for groups 1, 2 and 3 respectively (P = 0.002). Finally, stratification by age and by response revealed that, whilst the outcome of the youngest patients was highly dependent on their response to primary chemotherapy, complete responders showed disease-free survival rates at 5 years that were lower than these of older patients, whatever their response. Despite a seemingly better control of the primary tumour by chemotherapy, the patients in the youngest age group remained at a high risk for local and metastatic relapse. This apparent paradox may be in part attributable to rapid disease progression of micrometastatic tumour subpopulations that are refractory to chemotherapy.
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Affiliation(s)
- A C Braud
- Departement de Medecine Oncologique, Institut Curie, Paris, France
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