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  • American Society of Clinical Oncology (ASCO)  (77)
  • 1
    Online Resource
    Online Resource
    Clinical Presentation and Outcomes of Patients With Cancer-Associated Isolated Distal Deep Vein Thrombosis
    American Society of Clinical Oncology (ASCO) ; 2023
    In:  Journal of Clinical Oncology
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO)
    Abstract: Patients with isolated distal deep vein thrombosis (DVT) have lower rates of adverse outcomes (death, venous thromboembolism [VTE] recurrence or major bleeding) than those with proximal DVT. It is uncertain if such findings are also observed in patients with cancer. METHODS Using data from the international Registro Informatizado de la Enfermedad TromboEmbolica venosa registry, we compared the risks of adverse outcomes at 90 days (adjusted odds ratio [aOR]; 95% CI) and 1 year (adjusted hazard ratio [aHR; 95% CI] ) in 886 patients with cancer-associated distal DVT versus 5,196 patients with cancer-associated proximal DVT and 5,974 patients with non–cancer-associated distal DVT. RESULTS More than 90% of patients in each group were treated with anticoagulants for at least 90 days. At 90 days, the adjusted risks of death, VTE recurrence, or major bleeding were lower in patients with non–cancer-associated distal DVT than in patients with cancer-associated distal DVT (reference): aOR = 0.16 (0.11-0.22), aOR = 0.34 (0.22-0.54), and aOR = 0.47 (0.27-0.80), respectively. The results were similar at 1-year follow-up: aHR = 0.12 (0.09-0.15), aHR = 0.39 (0.28-0.55), and aHR = 0.51 (0.32-0.82), respectively. Risks of death, VTE recurrence, and major bleeding were not statistically different between patients with cancer-associated proximal versus distal DVT, both at 90 days: aOR = 1.11 (0.91-1.36), aOR = 1.10 (0.76-1.62), and aOR = 1.18 (0.76-1.83), respectively, and 1 year: aHR = 1.01 (0.89-1.15), aHR = 1.02 (0.76-1.35), and aHR = 1.10 (0.76-1.61), respectively. However, more patients with cancer-associated proximal DVT, compared with cancer-associated distal DVT, developed fatal pulmonary embolism (PE) during follow-up: The risk difference was 0.40% (95% CI, 0.23 to 0.58). CONCLUSION Cancer-associated distal DVT has serious and relatively comparable outcomes compared with cancer-associated proximal DVT. The lower risk of fatal PE from cancer-associated distal DVT needs further investigation.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.23.00429
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2023
    detail.hit.zdb_id: 2005181-5
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  • 2
    Online Resource
    Online Resource
    Elective Cancer Surgery in COVID-19–Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study
    American Society of Clinical Oncology (ASCO) ; 2021
    In:  Journal of Clinical Oncology Vol. 39, No. 1 ( 2021-01-01), p. 66-78
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 1 ( 2021-01-01), p. 66-78
    Abstract: As cancer surgery restarts after the first COVID-19 wave, health care providers urgently require data to determine where elective surgery is best performed. This study aimed to determine whether COVID-19–free surgical pathways were associated with lower postoperative pulmonary complication rates compared with hospitals with no defined pathway. PATIENTS AND METHODS This international, multicenter cohort study included patients who underwent elective surgery for 10 solid cancer types without preoperative suspicion of SARS-CoV-2. Participating hospitals included patients from local emergence of SARS-CoV-2 until April 19, 2020. At the time of surgery, hospitals were defined as having a COVID-19–free surgical pathway (complete segregation of the operating theater, critical care, and inpatient ward areas) or no defined pathway (incomplete or no segregation, areas shared with patients with COVID-19). The primary outcome was 30-day postoperative pulmonary complications (pneumonia, acute respiratory distress syndrome, unexpected ventilation). RESULTS Of 9,171 patients from 447 hospitals in 55 countries, 2,481 were operated on in COVID-19–free surgical pathways. Patients who underwent surgery within COVID-19–free surgical pathways were younger with fewer comorbidities than those in hospitals with no defined pathway but with similar proportions of major surgery. After adjustment, pulmonary complication rates were lower with COVID-19–free surgical pathways (2.2% v 4.9%; adjusted odds ratio [aOR], 0.62; 95% CI, 0.44 to 0.86). This was consistent in sensitivity analyses for low-risk patients (American Society of Anesthesiologists grade 1/2), propensity score–matched models, and patients with negative SARS-CoV-2 preoperative tests. The postoperative SARS-CoV-2 infection rate was also lower in COVID-19–free surgical pathways (2.1% v 3.6%; aOR, 0.53; 95% CI, 0.36 to 0.76). CONCLUSION Within available resources, dedicated COVID-19–free surgical pathways should be established to provide safe elective cancer surgery during current and before future SARS-CoV-2 outbreaks.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.20.01933
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
    detail.hit.zdb_id: 2005181-5
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  • 3
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    Online Resource
    Translational study associated to a phase II study evaluating the activity of pazopanib in patients (pts) with advanced/metastatic liposarcoma (LPS): A joint Spanish Sarcoma Group (GEIS) and German Interdisciplinary Sarcoma Group (GISG) study.
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 15_suppl ( 2019-05-20), p. 11067-11067
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. 11067-11067
    Abstract: 11067 Background: GEIS 30 was a phase II study showing moderate activity of pazopanib in well-differentiated/dedifferentiated LPS (cohort A:37 pts, Progression free Survival (PFS) at 12 weeks (w) 43.2%) and no activity in Myxoid/round cell LPS (cohort B: 15 pts, PFS at 12w 13.3%). The present study aims to identify tumor and plasma biomarkers that are differently expressed in long responders (LRs) PFS 〉 24 w. Methods: Serum samples and paraffin-blocks at diagnosis were collected for 28 pts in cohort A and 11 in B. A total of 13 pts were LRs. Serum samples were obtained at baseline, after 3 w of treatment and at progression. A panel of 15 cytokines and growth factors were evaluated using Luminex technology (Millipore). Paraffin-blocks were evaluated for microvessel density (MVD) by CD31 immunostaining and Image Pro-Plus 7.0 Image Analysis System (Media-Cybernetics). For RNA expression analysis, the Oncology Biomarker Panel with probes for 2559 transcripts was used (HTG Molecular Diagnostics). Results: Serum cytokines showed that expression of angiopoietin (AGO) and BMP9 decreases during treatment, whereas GCSF increases. In addition, AGO and BMP overexpression at baseline was associated with worse prognosis in arm A (p = 0.09) and B (p = 0.01) respectively. No differences between study arms and outcome were appreciated by MVD. Gene expression revealed differences in some immunomodulators: PDL-1 was correlated with serum cytokines VEGFD (p = 0.04) and LEPTIN (p = 0.02); and PD-1 with VEGFD (p = 0.04), LEPTIN (p = 0.02), VEGFA (p = 0.02) and ANGIO (p = 0.03). PD1, in addition,was overexpressed in LRs (p = 0.05). Interestingly, three groups were identified in cohort A according to gene expression: Cluster 1, characterized by short-responder patients with the shortest overall survival, whereas cluster 3 (40% LRs) and 2 (63.6% LRs) showed longer survival rates (14.3%, 45.5% and 30% respectively) (p = 0.001). Conclusions: Gene expression profiling unveils three WD/DD-LPS biotypes according to their response to pazopanib, which could be potentially used to select pts for treatment
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2019.37.15_suppl.11067
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 4
    Online Resource
    Online Resource
    Cardio-respiratory fitness and functional performance in patients with a recent diagnosis of colorectal cancer.
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 4_suppl ( 2018-02-01), p. 804-804
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 4_suppl ( 2018-02-01), p. 804-804
    Abstract: 804 Background: Physical capability describes the ability to do the physical tasks of everyday living. Oncologists usually evaluate physical capability through anamnesis generating a performance status (PS) score. Some authors have proposed the use of cardiorespiratory reserve, muscular strength and objective evaluation of physical activity to avoid the subjective, unreliable and non-reproducible condition of PS. Methods: Patients with a recent diagnosis of colorectal cancer who accepted to participate were evaluated at the hospital setting. Walking speed was evaluated through both one-mile walk test and six-minute walk test. VO 2max was calculated through the Kilne formula. Muscular strength was measured through dynamometry (hand-grip) and “sit to stand” test. Physical activity was objectively evaluated with accelerometers. Fatigue was evaluated through the PERFORM questionnaire (12-60). ECOG was evaluated by the medical oncologist. Results: 100 pats were recruited between March 15 and Jul 17. ECOG O/1/2 (80/14/2). 40 (40 %) were metastatic. Mean age 66 (25-81), Sex M/F; 68/32. Conclusions: Objective evaluation of physical condition is feasible at the hospital setting. There were no differences in BMI, heart rate, fatigue, muscular strength and objective functional performance (weekly PA) between localized and metastatic CRC. In metastatic pts with an excellent ECOG-PS the time to walk one mile and the estimated VO 2max could be more sensitive than ECOG to evaluate the functional capacity impairment. In pts with cancer the One- mile walk test could be superior to the Six-minute walk to estimate the cardiorespiratory fitness. The objective evaluation of physical condition is a useful additional tool to select pts for aggressive therapies. [Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.36.4_suppl.804
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
    detail.hit.zdb_id: 2005181-5
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  • 5
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    Online Resource
    RAS analysis of circulating tumor cells from advanced colorectal cancer using BEAMing technology.
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 15_suppl ( 2019-05-20), p. e15151-e15151
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. e15151-e15151
    Abstract: e15151 Background: RAS mutations predict a lack of response to anti-EGFR therapies in metastatic colorectal cancer (mCRC). BEAMing technology is useful for detecting hot-spot mutations in ctDNA in mCRC. Analysis of these mutations in DNA from Circulating Tumor Cells (CTC) may increase the predictive value in mCRC patients (pts). Our aim was to explore the feasibility of studying RAS status using BEAMing in DNA from CTC. Methods: First, spiking experiments (SE) using wild-type (WT) and KRAS-mutated (MUT) cell lines were performed to establish the limit of detection (LOD) for RAS analysis with BEAMing. Second, SE were performed with CTC collected by CellCelector (removes non-CTC background achieving 100% purity of CTC). Finally, BEAMing was used for RAS analysis in ctDNA and in DNA from CTC isolated either with IsoFlux or with CellCelector in 9 mCRC pts with confirmed RAS mutation in primary tumor. Total DNA from CTC was preamplified using RepliG. Results: In SE, 10 and 5 KRAS MUT-cells using different backgrounds of WT-cells (10-0.2% MUT-cells) were detected using BEAMing. However, 3 and 1 MUT-cells (0.009-0%) were not detected. In SE of CTCs collected with CellCelector, BEAMing detected KRAS mutations with 50, 20, 10, 6, 4, 2 and 1 cell (MAF: 23.8%±3.8). A mutation (codon 13) was detected in CTC from one patient positive in tissue and ctDNA (CellCelector; 15 CTCs; MAF: 11.4%). Discordant results were found in 8 patients when CTCs were isolated using Isoflux (min: 0, max: 9 CTCs). CTC from another patient were possibly mutated but WT in ctDNA. Conclusions: This pilot study indicates that RAS mutations can be detected in CTCs using BEAMing. Reducing the non-CTC cellular background may be needed in cases with low CTC number. Molecular information provided by CTC and ctDNA may prove complementary and useful for taking therapeutic decisions in mCRC. These results merit confirmation in larger, prospective studies.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2019.37.15_suppl.e15151
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 6
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    Online Resource
    Clinical outcomes of FOLFIRINOX and gemcitabine/nab-paclitaxel in the real world setting.
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 4_suppl ( 2018-02-01), p. 440-440
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 4_suppl ( 2018-02-01), p. 440-440
    Abstract: 440 Background: The incidence of pancreatic cancer is increasing in developed countries. Though FOLFIRINOX (FFX) and gemcitabine plus nab-paclitaxel (GNP) are associated with increased toxicity and are addressed to a well selected population, there seems to have been a rapid incorporation of these regimens in the real world. Overall survival (OS) was 11.1 months for FFX and 8.5 months for GNP. Survival rate at 18 m with FFX was 18.6%; at 24 m with GNP was 9%. Questions have arisen about external validity of original trials and how could these regimens impact overall survival since they are available nowadays for second line settings. Methods: This is a retrospective study. The Departments of Pharmacy of 5 Spanish hospitals generated the listings of patients (pts) treated in first line with the new regimens, namely FFX or GNP. To avoid bias related to non-prospective data collection, we restricted the analysis to survival data, serious toxicity and 2nd line options. Results: From Jan 2012 to Dec 2016, a total of 136 pts (M/F 52/48 %) were treated. Med age 63 y (38-83 y), 95% adenocarcinoma. 48% head of pancreas. ECOG 88% 0-1. 36 % locally advanced and 64% metastatic. 88% had liver mets. In the 1st line 64% were treated with FFX and 36% with GNP. 5 (3,7%) pts died in the first 3 months of treatment, because of infectious complications. 16 pts were operated after chemotherapy. 60% of the pts could receive a 2nd line (43% GNP, 25% FFX, 32% other). 27 pts (19.8%) were treated with a 3rd line. More pts treated with FFX required G-CSF (85% vs 15%). The median OS was 13 months with no differences between regimens. Survival rate at 30 months was 25% for both regimens. Elevated Ca 19.9 levels and Neutrophil-Lymphocyte ratio (NLR) increased the risk of death during the first-line. Conclusions: Originally reported OS is not only reproduced but improved in the real world despite a less strict inclusion of pts. 25% of patients remain alive 30 months after diagnosis. Superiority could not be demonstrated for any of the schemes. The availability of both regimens seems to dilute the potential differences and it is not so important the election of the 1st line. Both NLR and Ca 19.9 level predicted risk of death during the 1st line impairing the possibility of being treated in 2nd line.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.36.4_suppl.440
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
    detail.hit.zdb_id: 2005181-5
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  • 7
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    Online Resource
    A phase 2 study of investigational TORC1/2 inhibitor TAK-228 with fulvestrant in women with ER+/HER2–advanced or metastatic breast cancer (mBC) that has progressed during or after aromatase inhibitor (AI) therapy.
    American Society of Clinical Oncology (ASCO) ; 2017
    In:  Journal of Clinical Oncology Vol. 35, No. 15_suppl ( 2017-05-20), p. TPS1118-TPS1118
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 15_suppl ( 2017-05-20), p. TPS1118-TPS1118
    Abstract: TPS1118 Background: Antiestrogen therapy, including AI, is standard for ER+ tumors in the adjuvant and metastatic setting; however, resistance is common. These tumors may respond to alternative second-line anti-estrogen therapies such as fulvestrant but response durations are often short. Preclinical and clinical studies suggest that simultaneous inhibition of ER and PI3K/mTOR could prevent/delay the emergence of hormone-independent cancer cells, thereby improving patient (pt) outcomes. This study will test whether fulvestrant plus TAK-228, a dual TORC1/2 inhibitor, can overcome endocrine therapy resistance in ER+ mBC. This is an open-label, randomized, phase 2 study of continuous once-daily TAK-228 (4 mg) or once-weekly TAK-228 (30 mg) plus fulvestrant (per label), vs fulvestrant alone, in pts with ER+/HER2– advanced or mBC that has progressed during/after AI therapy (EudraCT 2015-003612-20). Methods: 153 pts will be randomized 1:1:1 and stratified (presence or absence of visceral metastasis, prior hormonal therapy sensitivity, and prior exposure to CDK 4/6 inhibitors). Pts will receive study drug(s) until progressive disease (PD), unacceptable toxicity, or consent withdrawal. Pts with histological confirmation of ER+/HER2– advanced or mBC with measureable disease, ECOG 0–1, PD during/after prior AI therapy (progression ≤12 mos after discontinuation of adjuvant therapy or ≤1 mo after discontinuation in the metastatic setting) and adequate organ function, but not prior therapy with mTOR, PI3K, dual PI3K-mTOR or AKT inhibitors, or fulvestrant, 〉 1 prior line of chemotherapy for mBC or recurrent or progressive disease on 〉 2 endocrine therapies for mBC are eligible. This study aims to determine the efficacy (primary endpoint: PFS; secondary endpoints: OS, TTP, ORR), safety and tolerability of TAK-228 plus fulvestrant vs fulvestrant alone. The primary hypothesis (TAK-228 plus fulvestrant can improve median PFS to 8 mos [hazard ratio, HR 0.5] vs fulvestrant-alone median PFS of 4 mos) is to be tested at the 0.10 significance level (2-sided; dropout rate 10%). To date, 24 pts have been enrolled. Clinical trial information: EudraCT 2015-003612-20.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2017.35.15_suppl.TPS1118
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2017
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  • 8
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    Subtype analysis from the GEICAM/2003-02 study: High-risk, node-negative breast cancer patients treated with adjuvant fluorouracil, doxorubicin, and cyclophosphamide (FAC) versus FAC followed by weekly paclitaxel.
    American Society of Clinical Oncology (ASCO) ; 2014
    In:  Journal of Clinical Oncology Vol. 32, No. 15_suppl ( 2014-05-20), p. 11107-11107
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 32, No. 15_suppl ( 2014-05-20), p. 11107-11107
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2014.32.15_suppl.11107
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2014
    detail.hit.zdb_id: 2005181-5
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  • 9
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    Randomized phase III study of adjuvant chemotherapy for high-risk, node-negative breast cancer (BC) comparing FAC with FAC followed by weekly paclitaxel: First efficacy analysis of the GEICAM/2003-02 trial.
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 15_suppl ( 2012-05-20), p. 1001-1001
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 15_suppl ( 2012-05-20), p. 1001-1001
    Abstract: 1001 Background: Adjuvant weekly paclitaxel (wP) sequential to anthracyclines improves the outcome of operable node-positive BC patients (pts) [Sparano NEJM 2008, Martin BCRT 2009]; however, most BC pts are currently node-negative at diagnosis. The role of wP in these pts is not well established yet. Methods: Pts aged 18-70, with T1-T3/N0 operable BC and at least one high-risk St Gallen 1998 criteria (size 〉 2 cm, hormone-receptor [HR] negative, grade 2/3, age 〈 35 years,) were eligible. HER2+ pts were allowed, after 792 entered the trial, the study was amended to exclude them. Pts were stratified by site, menopausal status, nodal status diagnostic method (sentinel-node biopsy versus lymphadenectomy) and HR status and randomized to receive FAC x6 (500/50/500 mg/m 2 every 3w) or FAC x4→wP x8 (paclitaxel 100 mg/m 2 weekly). The primary endpoint was DFS. The trial was designed to detect an absolute 5-y DFS increase of 5% (80% FAC, 85% FAC→wP); a sample size of 1812 evaluable patients (906 per arm) was required to detect this difference (α=0.05, β= 80%). Assuming a drop-out rate of 6%, 1929 pts were required. The first analysis of DFS was planned when a median follow-up of 5 years was reached. Results: Between September 2003 and October 2008, 1925 pts (FAC 974, FAC→wP 951) were randomized. Patient characteristics were well balanced between arms, median age was 50, 73% of pts were HR positive and 9% HER2 positive. 97% of pts with FAC and 85% of pts with FAC→wP completed all treatment as planned. The median dose intensity was 98% with FACx6, 99% with FACx4 and 98% with wP. The most frequent grade 3-4 toxicities ( 〉 3% in either arm) with FAC vs FAC→wP were neutropenia (25% vs 22%) with 4% vs 3% of febrile neutropenia, fatigue (3% vs 8%), sensory neuropathy (0 vs 5%), and vomiting (4% in each arm). After a median follow-up of 5.3 years, the proportion of patients disease free is 93% and 90% with FAC→wP and FAC (HR for relapse 0.732, 95% CI: 0.542 to 0.990; log-rank p-value=0.0423). Conclusions: For pts with high-risk node-negative BC, adjuvant FAC→wP was associated with a small but significant improvement in DFS compared with FAC, with manageable toxicity.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2012.30.15_suppl.1001
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
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  • 10
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    Fluorouracil, Doxorubicin, and Cyclophosphamide (FAC) Versus FAC Followed by Weekly Paclitaxel As Adjuvant Therapy for High-Risk, Node-Negative Breast Cancer: Results From the GEICAM/2003-02 Study
    American Society of Clinical Oncology (ASCO) ; 2013
    In:  Journal of Clinical Oncology Vol. 31, No. 20 ( 2013-07-10), p. 2593-2599
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 20 ( 2013-07-10), p. 2593-2599
    Abstract: Adding taxanes to anthracycline-based adjuvant therapy improves survival outcomes of patients with node-positive breast cancer (BC). Currently, however, most patients with BC are node negative at diagnosis. The only pure node-negative study (Spanish Breast Cancer Research Group 9805) reported so far showed a docetaxel benefit but significant toxicity. Here we tested the efficacy and safety of weekly paclitaxel (wP) in node-negative patients, which is yet to be established. Patients and Methods Patients with BC having T1-T3/N0 tumors and at least one high-risk factor for recurrence (according to St. Gallen 1998 criteria) were eligible. After primary surgery, 1,925 patients were randomly assigned to receive fluorouracil, doxorubicin, and cyclophosphamide (FAC) × 6 or FAC × 4 followed by wP × 8 (FAC-wP). The primary end point was disease-free survival (DFS) after a median follow-up of 5 years. Secondary end points included toxicity and overall survival. Results After a median follow-up of 63.3 months, 93% and 90.3% of patients receiving FAC-wP or FAC regimens, respectively, remained disease free (hazard ratio [HR], 0.73; 95% CI, 0.54 to 0.99; log-rank P = .04). Thirty-one patients receiving FAC-wP versus 40 patients receiving FAC died (one and seven from cardiovascular diseases, respectively; HR, 0.79; 95% CI, 0.49 to 1.26; log-rank P = .31). The most relevant grade 3 and 4 adverse events in the FAC-wP versus the FAC arm were febrile neutropenia (2.7% v 3.6%), fatigue (7.9% v 3.4%), and sensory neuropathy (5.5% v 0%). Conclusion For patients with high-risk node-negative BC, the adjuvant FAC-wP regimen was associated with a small but significant improvement in DFS compared with FAC therapy, in addition to manageable toxicity, especially regarding long-term cardiac effects.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2012.46.9841
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2013
    detail.hit.zdb_id: 2005181-5
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