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1.
Bull Cancer ; 111(9): 893-903, 2024 Sep.
Artigo em Francês | MEDLINE | ID: mdl-38897911

RESUMO

Endocrine therapy plays a crucial role in the treatment of women with hormone receptor-positive breast cancer. However, non-adherence remains a frequent issue known to negatively impact survival. Based on a comprehensive literature review, this article explores the terminologies employed to describe adherence and methods used for its assessment, the adherence data reported with adjuvant endocrine therapy with targeted therapies, the determinants of adherence or non-adherence, and finally, tested solutions to address it. The results show that a better understanding of the causes of non-adherence would help to better identify patients at risk, and to develop personalized intervention programs capable of improving adherence to adjuvant endocrine therapy. In light of the literature, interventions are likely to require a multimodal approach and integration into our future healthcare pathways.


Assuntos
Antineoplásicos Hormonais , Neoplasias da Mama , Adesão à Medicação , Humanos , Neoplasias da Mama/tratamento farmacológico , Feminino , Antineoplásicos Hormonais/uso terapêutico , Quimioterapia Adjuvante , Terminologia como Assunto , Tamoxifeno/uso terapêutico , Inibidores da Aromatase/uso terapêutico
2.
Bull Cancer ; 110(9): 937-949, 2023 Sep.
Artigo em Francês | MEDLINE | ID: mdl-37331827

RESUMO

Interstitial lung disease (ILD) has been reported with many cancer drugs including some recent antibody-drug conjugates (ADCs). The mechanisms of ILD induced by many chemotherapy drugs, other drug classes and ADCs used in cancer, including breast cancer, are not clearly elucidated. In the absence of specific clinical or radiological signs, the diagnosis of drug-induced ILD is often a diagnosis of exclusion. When present, the most frequent symptoms are respiratory signs (cough, dyspnea, chest pain) and general signs (fatigue, fever). Any suspicion of ILD should be evaluated by imaging and, if in doubt, the CT scan should be evaluated by a pulmonologist and a radiologist. A network of multidisciplinary experts for proactive early management of ILD is important, including oncologist, radiologist, pulmonologist, infectious disease specialist and nurses. Patient education is essential to report new or exacerbated lung symptoms and prevent high-grade ILD. Study drug is discontinued temporarily or permanently according to ILD severity and type of ADC. For asymptomatic cases (Grade 1), the efficacy of corticosteroids is not clearly established; for higher grades, the benefit/risk balance of long-term corticosteroid therapy should be considered for the dose and treatment duration. Hospitalization and oxygen supplementation are required for severe cases (Grades 3-4). For patient follow-up, the expertise of a pulmonologist is necessary with repeated chest scans, spirometry and DLCO. Preventing ADC-induced ILDs and evolution to high grade rests on a network of multidisciplinary experts for assessment of individual risk factors, early management, close follow-up and patient education.

3.
BMC Cancer ; 23(1): 112, 2023 Jan 31.
Artigo em Inglês | MEDLINE | ID: mdl-36721174

RESUMO

BACKGROUND: The TROIKA trial established that HD201 and trastuzumab were equivalent in terms of primary endpoints (total pathological complete response) following neoadjuvant treatment. The objective of the present analysis was to compare survival outcomes and final safety. METHODS: In the TROIKA trial, patients with ERBB2-positive early breast cancer were randomized and treated with either HD201 or the referent trastuzumab. Eligible patients received 8 cycles of either HD201 or referent trastuzumab (loading dose, 8 mg/kg; maintenance dose, 6 mg/kg) every 3 weeks in combination with 8 cycles of chemotherapy (4 cycles of docetaxel, 75 mg/m2, followed by 4 cycles of epirubicin, 75 mg/m2, and cyclophosphamide, 500 mg/m2) in the neoadjuvant setting. The patients then underwent surgery followed by 10 cycles of adjuvant HD201 or referent trastuzumab according to their initial randomization to complete one year of trastuzumab-directed therapy. Event-free and overall survival rates were calculated using Kaplan-Meier analysis. The hazard ratio for event-free survival was estimated by Cox proportional hazards regression. RESULTS: The final analysis was performed after all patients completed the study at a median follow-up of 37.7 months (Q1-Q3, 37.3-38.1 months). A total of 502 randomized patients received either HD201 or the referent trastuzumab, and 474 (94.2%) were eligible for inclusion in the per-protocol set. In this population, the 3-year event-free survival rates were 85.6% (95% CI: 80.28-89.52) and 84.9% (95% CI: 79.54-88.88) in the HD201 and referent trastuzumab groups, respectively (log rank p = 0.938) (HR 1.02, 95% CI: 0.63-1.63; p = 0.945). The 3-year overall survival rates were comparable between the HD201 (95.6%; 95% CI: 91.90-97.59) and referent trastuzumab treatment groups (96.0%, 95% CI: 92.45-97.90) (log rank p = 0.606). During the posttreatment follow-up period, adverse events were reported for 64 (27.4%) and 72 (29.8%) patients in the HD201 and the reference trastuzumab groups, respectively. Serious adverse events were rare and none of which were related to the study treatment. CONCLUSIONS: This final analysis of the TROIKA trial further confirms the comparable efficacy and safety of HD201 and trastuzumab. TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT03013504.


Assuntos
Neoplasias da Mama , Humanos , Feminino , Neoplasias da Mama/tratamento farmacológico , Trastuzumab/uso terapêutico , Terapia Neoadjuvante , Ciclofosfamida/uso terapêutico , Docetaxel , Receptor ErbB-2
4.
JAMA Oncol ; 8(5): 698-705, 2022 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-35238873

RESUMO

Importance: The drug HD201 is a biosimilar candidate for breast cancer treatment as the reference trastuzumab. Objective: To compare the efficacy of HD201 with referent trastuzumab. Design, Setting, and Participants: This randomized clinical trial (TROIKA) included 502 women with ERBB2-positive early breast cancer treated with either HD201 or referent trastuzumab. It was conducted across 70 centers in 12 countries, including Western and Eastern Europe and Asian countries. Randomization was stratified by tumor hormone receptor status, clinical stage, and geographic region of recruitment. This analysis was conducted on February 12, 2021, after the completion of the adjuvant phase at a median of 31 months (IQR, 28-33 months) of follow-up. Interventions: Patients with ERBB2-positive early breast cancer were randomly assigned to receive HD201 or referent trastuzumab in the neoadjuvant setting for 8 cycles, concurrently with 4 cycles of docetaxel, which was followed by 4 cycles of epirubicin and cyclophosphamide. Patients then underwent surgery, which was followed by treatment with 10 cycles of adjuvant HD201 or referent trastuzumab. Main Outcome and Measures: The primary end point was the total pathological complete response (tpCR) assessed after neoadjuvant treatment. Equivalence was concluded if the 95% CI of the absolute difference in tpCR between arms in the per-protocol set was within the margin of more or less than 15%. Other objectives included the breast pathological complete response, overall response, event-free and overall survival, safety, pharmacokinetics, and immunogenicity. Results: A total of 502 female patients (mean [range] age, 53 [26-82] years) were randomized to receive either HD201 or referent trastuzumab, and 474 (94.2%) were eligible for inclusion in the per-protocol set. The baseline characteristics were well balanced between the 2 arms; 195 tumors (38.8%) were hormone receptor-negative , and 213 patients (42.4%) had clinical stage III disease. The tpCR rates were 45% and 48.7% for HD201 and referent trastuzumab, respectively. The difference between the 2 groups was not significant at -3.8% (95% CI, -12.8% to 5.4%) and fell within the predefined equivalence margins. The ratio of the tpCR rates between the 2 arms was 0.92 (95% CI, 0.76 to 1.12). A total of 433 patients (86.1%) presented with 2232 treatment-emergent adverse events of special interest for trastuzumab during the entire treatment period, with 220 (88.0%) and 213 (84.5%) patients in the HD201 and referent trastuzumab groups, respectively. Conclusions and Relevance: The results of this randomized clinical trial found that HD201 demonstrated equivalence to referent trastuzumab in terms of efficacy for the end point of tpCR, with a similar safety profile. Trial Registration: ClinicalTrials.gov Identifier: NCT03013504.


Assuntos
Antineoplásicos , Neoplasias da Mama , Terapia Neoadjuvante , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Pessoa de Meia-Idade , Antineoplásicos/efeitos adversos , Antineoplásicos/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/patologia , Receptor ErbB-2 , Trastuzumab/efeitos adversos , Trastuzumab/uso terapêutico
5.
Glob J Flex Syst Manag ; 23(2): 271-290, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-37522094

RESUMO

Today's lifespan of companies tends to be low in the so-called micro-, small-, and medium-sized enterprises (MSMEs). Organizational life cycle (OLC) theory indicates that organizational aging is related, but not determined, by the firm chronological age or its size. Therefore, a firm's aging should be analyzed by other factors such as flexibility. The literature considers flexibility as an essential capability, a source of competitive advantage, and an enabler of long-term growth for MSMEs. However, little attention in emerging economies has been paid to examine the nuances of this concept in relation to the OLC in this type of companies. Additionally, studies tend to analyze flexibility as a general term, ignoring that it is a polymorphic concept. That is why there is a need to research the different categories of flexibility. Drawing on a quantitative approach conducting a factor analysis, a two-step cluster, and decision tree analysis to interrogate data from 257 MSMEs in Mexico, this study provides evidence of different dimensions of strategic and structural flexibility that help to characterize and predict the growth, maturity, and declining stages of MSMEs. Our results show that mature firms present more strategic and structural flexible characteristics than those involved in growth or decline stages. The flexible factors that help classify and predict an MSME in the maturity stage include open communication, decentralized decision making, and formalization. We provide a model with these results to illuminate unaddressed issues regarding the broad term of flexibility and its relationship to OLC.

6.
Vascul Pharmacol ; 138: 106853, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33766627

RESUMO

Pulmonary arterial hypertension of the newborn (PAHN) is a syndrome caused by chronic hypoxia, characterized by decreased vasodilator function, a marked vasoconstrictor activity, proliferation of smooth muscle cells (SMC) and thickening of the extracellular matrix in the pulmonary circulation, among other characteristics. Prostaglandins are derived from the arachidonic acid (AA) metabolism and are important regulators of pulmonary vascular tone. Since hypoxia induces oxidative stress and has been related to PAHN, a postnatal treatment with melatonin has been proposed due to its antioxidant properties. Here, we determined the effects of melatonin on pulmonary vascular homeostasis given by prostanoids. Ten PAHN newborn lambs were divided in two groups and treated either with vehicle or melatonin. After 1 week of treatment, we assessed pulmonary vascular prostanoids function and expression by wire myography, RT-PCR, Western Blot and immunohistochemistry. Melatonin improved in vivo and ex vivo pulmonary vasodilation. This was associated with an increased function and expression of vasodilator prostanoids at the expense of vasoconstrictor prostanoids. Our study demonstrates for the first time that melatonin may enhance the vasodilator prostanoid pathway in PAHN.


Assuntos
Anti-Hipertensivos/farmacologia , Pressão Arterial/efeitos dos fármacos , Melatonina/farmacologia , Prostaglandinas/metabolismo , Hipertensão Arterial Pulmonar/tratamento farmacológico , Artéria Pulmonar/efeitos dos fármacos , Vasodilatação/efeitos dos fármacos , Vasodilatadores/farmacologia , Animais , Animais Recém-Nascidos , Ciclo-Oxigenase 1/metabolismo , Ciclo-Oxigenase 2/metabolismo , Modelos Animais de Doenças , Estresse Oxidativo/efeitos dos fármacos , Hipertensão Arterial Pulmonar/metabolismo , Hipertensão Arterial Pulmonar/fisiopatologia , Artéria Pulmonar/metabolismo , Artéria Pulmonar/fisiopatologia , Carneiro Doméstico , Transdução de Sinais
7.
Qual Life Res ; 30(11): 3255-3266, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-33387291

RESUMO

INTRODUCTION: Routine Electronic Monitoring of Health-Related Quality of Life (HRQoL) (REMOQOL) in clinical care with real-time feedback to physicians could help to enhance patient-centered care. We evaluated the feasibility of REMOQOL in the French context in the QOLIBRY study. The primary objective was to assess the patients' compliance with REMOQOL. METHODS: The QOLIBRY study was a single-center, prospective study conducted in the University Hospital of Besançon (France). Eligible patients were those treated with systemic therapies for breast, lung or colorectal cancer at any stage. Patients were invited to complete the EORTC QLQ-C30 questionnaire and cancer-site-specific modules before each visit on tablets and/or computers in the hospital or at home. During the consultation, physicians had real-time access to visual summaries of HRQoL scores. Compliance was assessed as adequate if at least 66% of HRQoL assessments were completed during the 4 months of follow-up. RESULTS: Between March 2016 and October 2018, 177 patients were included in the QOLIBRY study. Median age was 64 years (IQR 54-71). The proportion of patients with an adequate compliance rate was 95.5% (n = 63) in the breast cancer cohort, 98.2% (n = 55) in the colorectal cancer cohort, and 90.9% (n = 50) in the lung cancer cohort. The physicians checked the HRQoL results in 73.1% of visits and prescribed supportive care and adapted patient management in 8.3% and 5.2% of visits, respectively. CONCLUSION & PERSPECTIVES: The results of QOLIBRY study suggest that REMOQOL is feasible in the French context. However, information about HRQoL monitoring, training of the physicians in the use of the software, and recommendations for using HRQoL results to guide care are essential and must be improved.


Assuntos
Neoplasias da Mama , Qualidade de Vida , Eletrônica , Estudos de Viabilidade , Feminino , Humanos , Pessoa de Meia-Idade , Medidas de Resultados Relatados pelo Paciente , Estudos Prospectivos , Qualidade de Vida/psicologia , Inquéritos e Questionários
8.
JAMA Oncol ; 4(7): 977-984, 2018 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-29566104

RESUMO

Importance: Cotargeting the mammalian target of rapamycin pathway and estrogen receptor may prevent or delay endocrine resistance in patients receiving first-line treatment for advanced breast cancer. Objective: To investigate the combination of everolimus plus endocrine therapy in first-line and second-line treatment settings for postmenopausal women with estrogen receptor-positive, human epidermal growth receptor 2-negative advanced breast cancer. Design, Setting, and Participants: In the multicenter, open-label, single-arm, phase 2 BOLERO-4 (Breast Cancer Trials of Oral Everolimus) clinical trial, 245 patients were screened for eligibility; 202 were enrolled between March 7, 2013, and December 17, 2014. A median follow-up of 29.5 months had been achieved by the data cutoff date (December 17, 2016). Interventions: Patients received first-line treatment with everolimus, 10 mg/d, plus letrozole, 2.5 mg/d. Second-line treatment with everolimus, 10 mg/d, plus exemestane, 25 mg/d, was offered at the investigator's discretion upon initial disease progression. Main Outcomes and Measures: The primary end point was investigator-assessed progression-free survival in the first-line setting per Response Evaluation Criteria in Solid Tumors, version 1.0. Safety was assessed in patients who received at least 1 dose of study medication and at least 1 postbaseline safety assessment. Results: A total of 202 women treated in the first-line setting had a median age of 64.0 years (interquartile range, 58.0-70.0 years) with metastatic (194 [96.0%]) or locally advanced (8 [4.0%]) breast cancer. Median progression-free survival was 22.0 months (95% CI, 18.1-25.1 months) with everolimus and letrozole. Median overall survival was not reached; 24-month estimated overall survival rate was 78.7% (95% CI, 72.1%-83.9%). Fifty patients started second-line treatment; median progression-free survival was 3.7 months (95% CI, 1.9-7.4 months). No new safety signals were observed. In the first-line setting, the most common all-grade adverse event was stomatitis (139 [68.8%]); the most common grade 3 to 4 adverse event was anemia (21 [10.4%]). In the second-line setting, the most common adverse events were stomatitis and decreased weight (10 [20.0%] each); the most common grade 3 to 4 adverse event was hypertension (5 [10.0%]). There were 50 (24.8%) deaths overall during the study; 40 were due to study indication (breast cancer). Conclusions and Relevance: The results of this trial add to the existing body of evidence suggesting that everolimus plus endocrine therapy is a good first-line treatment option for postmenopausal women with estrogen receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer. Trial Registration: clinicaltrials.gov Identifier: NCT01698918.


Assuntos
Antineoplásicos/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Everolimo/uso terapêutico , Idoso , Antineoplásicos/farmacologia , Neoplasias da Mama/patologia , Everolimo/farmacologia , Feminino , Humanos , Pessoa de Meia-Idade , Pós-Menopausa
9.
Breast Cancer Res Treat ; 168(1): 127-134, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-29164421

RESUMO

PURPOSE: Determine the efficacy and safety of first-line ribociclib plus letrozole in patients with de novo advanced breast cancer. METHODS: Postmenopausal women with HR+ , HER2- advanced breast cancer and no prior systemic therapy for advanced disease were enrolled in the Phase III MONALEESA-2 trial (NCT01958021). Patients were randomized to ribociclib (600 mg/day; 3 weeks-on/1 week-off) plus letrozole (2.5 mg/day; continuous) or placebo plus letrozole until disease progression, unacceptable toxicity, death, or treatment discontinuation. The primary endpoint was investigator-assessed progression-free survival; predefined subgroup analysis evaluated progression-free survival in patients with de novo advanced breast cancer. Secondary endpoints included safety and overall response rate. RESULTS: Six hundred and sixty-eight patients were enrolled, of whom 227 patients (34%; ribociclib plus letrozole vs placebo plus letrozole arm: n = 114 vs. n = 113) presented with de novo advanced breast cancer. Median progression-free survival was not reached in the ribociclib plus letrozole arm versus 16.4 months in the placebo plus letrozole arm in patients with de novo advanced breast cancer (hazard ratio 0.45, 95% confidence interval 0.27-0.75). The most common Grade 3/4 adverse events were neutropenia and leukopenia; incidence rates were similar to those observed in the full MONALEESA-2 population. Ribociclib dose interruptions and reductions in patients with de novo disease occurred at similar frequencies to the overall study population. CONCLUSIONS: Ribociclib plus letrozole improved progression-free survival vs placebo plus letrozole and was well tolerated in postmenopausal women with HR+, HER2- de novo advanced breast cancer.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Neutropenia Febril Induzida por Quimioterapia/epidemiologia , Leucopenia/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Aminopiridinas/uso terapêutico , Mama/patologia , Neoplasias da Mama/mortalidade , Neoplasias da Mama/patologia , Neutropenia Febril Induzida por Quimioterapia/etiologia , Feminino , Humanos , Incidência , Estimativa de Kaplan-Meier , Letrozol/uso terapêutico , Leucopenia/induzido quimicamente , Pessoa de Meia-Idade , Pós-Menopausa , Intervalo Livre de Progressão , Purinas/uso terapêutico , Receptores de Estrogênio/metabolismo , Receptores de Progesterona/metabolismo , Critérios de Avaliação de Resposta em Tumores Sólidos , Fatores de Tempo
10.
Breast Cancer Res Treat ; 167(3): 659-669, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-29058175

RESUMO

PURPOSE: Determine the efficacy and safety of first-line ribociclib plus letrozole in elderly patients with HR+, HER2- advanced breast cancer. METHODS: 668 postmenopausal women with HR+, HER2- advanced breast cancer and no prior systemic therapy for advanced disease were enrolled in the Phase III MONALEESA-2 trial (NCT01958021); 295 patients were aged ≥ 65 years. Patients were randomized to ribociclib (600 mg/day; 3-weeks-on/1-week-off) plus letrozole (2.5 mg/day) or placebo plus letrozole until disease progression, unacceptable toxicity, death, or treatment discontinuation. The primary endpoint was PFS, which was evaluated in elderly (≥ 65 years) and younger (< 65 years) patients. Secondary endpoints included response rates and safety. RESULTS: Ribociclib plus letrozole significantly improved PFS vs placebo plus letrozole in elderly (hazard ratio: 0.608; 95% CI 0.394-0.937) and younger patients (hazard ratio: 0.523; 95% CI 0.378-0.723). Overall response rates were numerically higher in the ribociclib vs placebo arm, regardless of age. Ribociclib plus letrozole was well tolerated in elderly patients, with the safety profile similar to the overall study population. Nausea, vomiting, alopecia, and diarrhea were > 10% more frequent in the ribociclib plus letrozole vs placebo plus letrozole arm in both subgroups; most events were grade 1/2. In elderly patients, grade 1/2 anemia and fatigue were > 10% more frequent in the ribociclib plus letrozole vs placebo plus letrozole arm and discontinuation rates were similar in both arms. CONCLUSIONS: Addition of ribociclib to letrozole is a valid therapeutic option for elderly patients with HR+, HER2- advanced breast cancer in the first-line setting.


Assuntos
Aminopiridinas/administração & dosagem , Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Neoplasias da Mama/tratamento farmacológico , Nitrilas/administração & dosagem , Purinas/administração & dosagem , Triazóis/administração & dosagem , Idoso , Idoso de 80 Anos ou mais , Aminopiridinas/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Biomarcadores Tumorais/genética , Neoplasias da Mama/genética , Neoplasias da Mama/patologia , Intervalo Livre de Doença , Feminino , Humanos , Letrozol , Pessoa de Meia-Idade , Nitrilas/efeitos adversos , Purinas/efeitos adversos , Receptor ErbB-2/genética , Receptores de Estrogênio/genética , Receptores de Progesterona/genética , Triazóis/efeitos adversos
11.
Oncol Rep ; 37(3): 1573-1578, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-28184945

RESUMO

Hereditary breast and ovarian cancer syndrome is an autosomal dominant disease caused primarily by germline mutations in the BRCA1 or BRCA2 gene. Rare cases of double heterozygosity for BRCA1 and BRCA2 mutations have been reported quite exceptionally in non-Ashkenazi individuals. We describe the case of a woman who developed a bilateral breast cancer, discovered concomitantly, at 46 years old. Biopsies confirmed the presence of two breast cancers with distinct histology. BRCA analysis was tested due to a positive family history of breast cancer, and two pathogenic monoallelic mutations were detected, one in the BRCA1 gene and one in the BRCA2 gene. There is no known Ashkenazi Jewish ancestry. We report the first description of a never described double heterozygosity for BRCA1 and BRCA2 pathogenic variants in a French metastatic breast cancer patient, with two distinct histology, and two distinct mutations.


Assuntos
Proteína BRCA1/genética , Proteína BRCA2/genética , Neoplasias da Mama/genética , Predisposição Genética para Doença , Mutação/genética , Neoplasias da Mama/patologia , Feminino , Triagem de Portadores Genéticos , Humanos , Pessoa de Meia-Idade , Linhagem , Prognóstico
12.
J Physiol ; 595(4): 1077-1092, 2017 02 15.
Artigo em Inglês | MEDLINE | ID: mdl-27739590

RESUMO

KEY POINTS: Intrauterine growth restriction (IUGR) is associated with vascular dysfunction, oxidative stress and signs of endothelial epigenetic programming of the umbilical vessels. There is no evidence that this epigenetic programming is occurring on systemic fetal arteries. In IUGR guinea pigs we studied the functional and epigenetic programming of endothelial nitric oxide synthase (eNOS) (Nos3 gene) in umbilical and systemic fetal arteries, addressing the role of oxidative stress in this process by maternal treatment with N-acetylcysteine (NAC) during the second half of gestation. The present study suggests that IUGR endothelial cells have common molecular markers of programming in umbilical and systemic arteries. Notably, maternal treatment with NAC restores fetal growth by increasing placental efficiency and reverting the functional and epigenetic programming of eNOS in arterial endothelium in IUGR guinea pigs. ABSTRACT: In humans, intrauterine growth restriction (IUGR) is associated with vascular dysfunction, oxidative stress and signs of endothelial programming in umbilical vessels. We aimed to determine the effects of maternal antioxidant treatment with N-acetylcysteine (NAC) on fetal endothelial function and endothelial nitric oxide synthase (eNOS) programming in IUGR guinea pigs. IUGR was induced by implanting ameroid constrictors on uterine arteries of pregnant guinea pigs at mid gestation, half of the sows receiving NAC in the drinking water (from day 34 until term). Fetal biometry and placental vascular resistance were followed by ultrasound throughout gestation. At term, umbilical arteries and fetal aortae were isolated to assess endothelial function by wire-myography. Primary cultures of endothelial cells (ECs) from fetal aorta, femoral and umbilical arteries were used to determine eNOS mRNA levels by quantitative PCR and analyse DNA methylation in the Nos3 promoter by pyrosequencing. Doppler ultrasound measurements showed that NAC reduced placental vascular resistance in IUGR (P < 0.05) and recovered fetal weight (P < 0.05), increasing fetal-to-placental ratio at term (∼40%) (P < 0.001). In IUGR, NAC treatment restored eNOS-dependent relaxation in aorta and umbilical arteries (P < 0.05), normalizing eNOS mRNA levels in EC fetal and umbilical arteries (P < 0.05). IUGR-derived ECs had a decreased DNA methylation (∼30%) at CpG -170 (from the transcription start site) and this epigenetic signature was absent in NAC-treated fetuses (P < 0.001). These data show that IUGR-ECs have common molecular markers of eNOS programming in umbilical and systemic arteries and this effect is prevented by maternal treatment with antioxidants.


Assuntos
Acetilcisteína/farmacologia , Antioxidantes/farmacologia , Reprogramação Celular , Células Endoteliais/metabolismo , Epigênese Genética , Retardo do Crescimento Fetal/metabolismo , Acetilcisteína/uso terapêutico , Animais , Antioxidantes/uso terapêutico , Células Cultivadas , Metilação de DNA , Células Endoteliais/citologia , Células Endoteliais/efeitos dos fármacos , Feminino , Retardo do Crescimento Fetal/tratamento farmacológico , Cobaias , Óxido Nítrico Sintase Tipo III/genética , Óxido Nítrico Sintase Tipo III/metabolismo , Regiões Promotoras Genéticas , Artérias Umbilicais/efeitos dos fármacos , Artérias Umbilicais/metabolismo , Artérias Umbilicais/patologia
13.
Bull Cancer ; 103(10): 849-860, 2016 Oct.
Artigo em Francês | MEDLINE | ID: mdl-27692731

RESUMO

INTRODUCTION: Pain management is a major public health problem, especially in oncology. In order to assess professional practice, the IRFC-FC conducted a survey amongst patients with metastatic osteophilic solid tumor in Franche-Comté. The aims were to assess the pain prevalence, and its characteristics, its management and its impact on patients' quality of life in patients in pain. METHODS: An observational, prospective and multicenter survey was conducted using a self-report questionnaire. Patients with metastatic breast or prostate cancer managed in 5 day-hospitals of the IRFC-FC over a period of three months were included. RESULTS: Two hundred thirty-three questionnaires were analyzed. Pain prevalence rate was 48.5%. Three quarters of patients in pain had chronic background pain, moderate to severe, with or without breakthrough pain. Considering their pain intensity and their analgesic therapy, 42.0% of patients seem to have an inadequate treatment. Eighty-five percent of treated patients reported to be compliant and felt that their pain was well managed despite a strong impact on their quality of life. CONCLUSION: The setting of a specific clinical pathway is essential to secure the standardized, optimal and efficient management of patients in pain. The assessment of patient satisfaction and quality of life must be integrated in clinical practice to identify patients in pain for which the treatment is inappropriate.


Assuntos
Analgésicos/uso terapêutico , Neoplasias da Mama/complicações , Dor Crônica/tratamento farmacológico , Dor Crônica/epidemiologia , Manejo da Dor , Neoplasias da Próstata/complicações , Adulto , Idoso , Idoso de 80 Anos ou mais , Neoplasias Ósseas/complicações , Neoplasias Ósseas/secundário , Dor Crônica/etiologia , Feminino , Humanos , Masculino , Adesão à Medicação/estatística & dados numéricos , Pessoa de Meia-Idade , Neuralgia/tratamento farmacológico , Neuralgia/epidemiologia , Neuralgia/etiologia , Medição da Dor , Satisfação do Paciente , Prevalência , Estudos Prospectivos , Qualidade de Vida , Autorrelato , Inquéritos e Questionários
14.
N Engl J Med ; 375(18): 1738-1748, 2016 11 03.
Artigo em Inglês | MEDLINE | ID: mdl-27717303

RESUMO

BACKGROUND: The inhibition of cyclin-dependent kinases 4 and 6 (CDK4/6) could potentially overcome or delay resistance to endocrine therapy in advanced breast cancer that is positive for hormone receptor (HR) and negative for human epidermal growth factor receptor 2 (HER2). METHODS: In this randomized, placebo-controlled, phase 3 trial, we evaluated the efficacy and safety of the selective CDK4/6 inhibitor ribociclib combined with letrozole for first-line treatment in 668 postmenopausal women with HR-positive, HER2-negative recurrent or metastatic breast cancer who had not received previous systemic therapy for advanced disease. We randomly assigned the patients to receive either ribociclib (600 mg per day on a 3-weeks-on, 1-week-off schedule) plus letrozole (2.5 mg per day) or placebo plus letrozole. The primary end point was investigator-assessed progression-free survival. Secondary end points included overall survival, overall response rate, and safety. A preplanned interim analysis was performed on January 29, 2016, after 243 patients had disease progression or died. Prespecified criteria for superiority required a hazard ratio of 0.56 or less with P<1.29×10-5. RESULTS: The duration of progression-free survival was significantly longer in the ribociclib group than in the placebo group (hazard ratio, 0.56; 95% CI, 0.43 to 0.72; P=3.29×10-6 for superiority). The median duration of follow-up was 15.3 months. After 18 months, the progression-free survival rate was 63.0% (95% confidence interval [CI], 54.6 to 70.3) in the ribociclib group and 42.2% (95% CI, 34.8 to 49.5) in the placebo group. In patients with measurable disease at baseline, the overall response rate was 52.7% and 37.1%, respectively (P<0.001). Common grade 3 or 4 adverse events that were reported in more than 10% of the patients in either group were neutropenia (59.3% in the ribociclib group vs. 0.9% in the placebo group) and leukopenia (21.0% vs. 0.6%); the rates of discontinuation because of adverse events were 7.5% and 2.1%, respectively. CONCLUSIONS: Among patients receiving initial systemic treatment for HR-positive, HER2-negative advanced breast cancer, the duration of progression-free survival was significantly longer among those receiving ribociclib plus letrozole than among those receiving placebo plus letrozole, with a higher rate of myelosuppression in the ribociclib group. (Funded by Novartis Pharmaceuticals; ClinicalTrials.gov number, NCT01958021 .).


Assuntos
Aminopiridinas/administração & dosagem , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Nitrilas/administração & dosagem , Purinas/administração & dosagem , Triazóis/administração & dosagem , Adulto , Idoso , Idoso de 80 Anos ou mais , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Neoplasias da Mama/patologia , Intervalo Livre de Doença , Método Duplo-Cego , Esquema de Medicação , Feminino , Humanos , Estimativa de Kaplan-Meier , Letrozol , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Receptor ErbB-2 , Receptores de Estrogênio , Receptores de Progesterona
15.
Breast Cancer Res Treat ; 154(2): 351-7, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26536871

RESUMO

Iniparib is an investigational agent with antitumor activity of controversial mechanism of action. Two previous trials in advanced triple-negative breast cancer (TNBC) in combination with gemcitabine and carboplatin showed some evidence of efficacy that was not confirmed. This phase II randomized neoadjuvant study was designed to explore its activity and tolerability with weekly paclitaxel (PTX) as neoadjuvant treatment in TNBC patients. 141 patients with Stage II-IIIA TNBC were randomly assigned to receive PTX (80 mg/m(2), d1; n = 47) alone or in combination with iniparib, either once-weekly (PWI) (11.2 mg/kg, d1; n = 46) or twice-weekly (PTI) (5.6 mg/kg, d1, 4; n = 48) for 12 weeks. Primary endpoint was pathologic complete response (pCR) in the breast. pCR rate was similar among the three arms (21, 22, and 19 % for PTX, PWI, and PTI, respectively). Secondary efficacy endpoints were comparable: pCR in breast and axilla (21, 17, and 19 %); best overall response in the breast (60, 61, and 63 %); and breast conservation rate (53, 54, and 50 %). Slightly more patients in the PTI arm presented grade 3/4 neutropenia (4, 0, and 10 %). Grade 1/2 (28, 22, and 29 %), but no grade 3/4 neuropathy, was observed. There were no differences in serious adverse events and treatment-emergent adverse events leading to treatment discontinuation among the three arms. Addition of iniparib to weekly PTX did not add relevant antitumor activity or toxicity. These results do not support further evaluation of the combination of iniparib at these doses plus paclitaxel in early TNBC.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Paclitaxel/uso terapêutico , Neoplasias de Mama Triplo Negativas/tratamento farmacológico , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Benzamidas/administração & dosagem , Terapia Combinada , Esquema de Medicação , Feminino , Humanos , Metástase Linfática , Pessoa de Meia-Idade , Terapia Neoadjuvante , Estadiamento de Neoplasias , Paclitaxel/administração & dosagem , Resultado do Tratamento , Neoplasias de Mama Triplo Negativas/patologia
16.
Bull Cancer ; 102(9): 737-48, 2015 Sep.
Artigo em Francês | MEDLINE | ID: mdl-26022285

RESUMO

Eribulin gained its approval in March 2011 for the treatment of patients with locally advanced or metastatic breast cancer (MBC) whose disease has progressed despite anthracycline and taxane-containing regimens. This study retrospectively assessed the efficacy, safety and cost of this treatment for all patients with MBC treated by eribulin in Franche-Comté. Ninety-four patients received eribulin between July 2006 and October 2013. The median age was 62 years (35-83). Median overall survival was 10.3 months [95% CI: 7.6 to 17.9]. Median progression-free-survival was 3.8 months [95% CI: 2.9 to 5.0]. Clinical benefit was obtained in 55% evaluable patients [95% CI: 43.1 to 66.9] by RECIST criteria. Most common grade 3-4 adverse events (AEs) were neutropenia (38%), asthenia (10%) and peripheral neuropathy (7%). Median cost of the treatment was 9767 € per patient (6344-17,517). This analysis found similar results to the EMBRACE study despite less selected population. A medico-economic evaluation cost-utility type would assess the effectiveness of this strategy compared to standard treatments.


Assuntos
Antineoplásicos/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Furanos/uso terapêutico , Cetonas/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Antineoplásicos/efeitos adversos , Antineoplásicos/economia , Astenia/induzido quimicamente , Neoplasias da Mama/mortalidade , Neoplasias da Mama/patologia , Feminino , Furanos/efeitos adversos , Furanos/economia , Humanos , Cetonas/efeitos adversos , Cetonas/economia , Pessoa de Meia-Idade , Neutropenia/induzido quimicamente , Doenças do Sistema Nervoso Periférico/induzido quimicamente , Estudos Retrospectivos
17.
Lancet Oncol ; 15(11): 1269-78, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25273342

RESUMO

BACKGROUND: Combining bevacizumab with first-line or second-line chemotherapy improves progression-free survival in HER2-negative locally recurrent or metastatic breast cancer. We assessed the efficacy and safety of further bevacizumab therapy in patients with locally recurrent or metastatic breast cancer whose disease had progressed after treatment with bevacizumab plus chemotherapy. METHODS: In this open-label, randomised, phase 3 trial, we recruited patients who had HER2-negative locally recurrent or metastatic breast cancer that had progressed after receiving 12 weeks or more of first-line bevacizumab plus chemotherapy from 118 centres in 12 countries. Patients were randomly assigned (1:1) by use of a central interactive voice response system using a block randomisation schedule (block size four) stratified by hormone receptor status, first-line progression-free survival, selected chemotherapy, and lactate dehydrogenase concentration, to receive second-line single-agent chemotherapy either alone or with bevacizumab (15 mg/kg every 3 weeks or 10 mg/kg every 2 weeks). Second-line therapy was continued until disease progression, unacceptable toxicity, or consent withdrawal. At progression, patients randomly assigned to chemotherapy alone received third-line chemotherapy without bevacizumab; those randomly assigned to bevacizumab continued bevacizumab with third-line chemotherapy. The primary endpoint was progression-free survival from randomisation to second-line progression or death in the intention-to-treat population. This trial is ongoing, and registered with ClinicalTrials.gov, number NCT01250379. FINDINGS: Between Feb 17, 2011, and April 3, 2013, 494 patients were randomly assigned to treatment (247 in each group). The median duration of follow-up at the time of this prespecified primary progression-free survival analysis was 15·9 months (IQR 9·1-21·7) in the chemotherapy-alone group and 16·1 months (10·6-22·7) in the combination group. Progression-free survival was significantly longer for those patients treated with bevacizumab plus chemotherapy than for those with chemotherapy alone (median: 6·3 months [95% CI 5·4-7·2] vs 4·2 months [3·9-4·7], respectively, stratified hazard ratio [HR] 0·75 [95% CI 0·61-0·93], two-sided stratified log-rank p=0·0068). The most common grade 3 or more adverse events were hypertension (33 [13%] of 245 patients receiving bevacizumab plus chemotherapy vs 17 [7%] of 238 patients receiving chemotherapy alone), neutropenia (29 [12%] vs 20 [8%]), and hand-foot syndrome (27 [11%] vs 25 [11%]). Grade 3 proteinuria occurred in 17 (7%) of 245 patients receiving combination therapy and one (<1%) of 238 patients receiving chemotherapy alone. Serious adverse events were reported in 61 (25%) of 245 patients receiving bevacizumab plus chemotherapy versus 44 (18%) of 238 patients receiving chemotherapy alone. INTERPRETATION: These results suggest that continued VEGF inhibition with further bevacizumab is a valid treatment option for patients with locally recurrent or metastatic HER2-negative breast cancer whose disease was stabilised or responded to first-line bevacizumab with chemotherapy. FUNDING: F Hoffmann-La Roche.


Assuntos
Anticorpos Monoclonais Humanizados/administração & dosagem , Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/mortalidade , Recidiva Local de Neoplasia/tratamento farmacológico , Recidiva Local de Neoplasia/mortalidade , Adulto , Idoso , Anticorpos Monoclonais Humanizados/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Bevacizumab , Neoplasias da Mama/genética , Neoplasias da Mama/patologia , Intervalo Livre de Doença , Relação Dose-Resposta a Droga , Esquema de Medicação , Seguimentos , Genes erbB-2/genética , Humanos , Dose Máxima Tolerável , Pessoa de Meia-Idade , Invasividade Neoplásica/patologia , Recidiva Local de Neoplasia/patologia , Estadiamento de Neoplasias , Seleção de Pacientes , Indução de Remissão/métodos , Retratamento , Análise de Sobrevida , Fatores de Tempo , Resultado do Tratamento
18.
Bull Cancer ; 101(7-8): 681-9, 2014.
Artigo em Francês | MEDLINE | ID: mdl-25091650

RESUMO

Oncotype DX® has been validated as quantifying the likelihood of distant recurrence at 10 years and overall chemotherapy benefit in patients with estrogen-receptor-positive and HER-2-negative early breast cancer. In 2012, this genomic signature was routinely available for patients in Franche-Comté, France. Patients eligible for Oncotype DX(®) testing had a ER-positive, HER-2-négative early breast cancer with a nodal involvement limited to 0 or 1 positive-node without extracapsular spread; an adjuvant chemotherapy was indicated based on usual prognostic factors. The aim was to assess the economic impact of Oncotype DX(®) testing in a French region. A cost-minimisation analysis from the French Public Healthcare System perspective was performed. The availability of Oncotype DX(®) in Franche-Comté, France, and its use in clinical routine allowed a decrease of 73 % of adjuvant chemotherapy without increase of the cost of the patients' management and with a potential reduction of the cost for the French Public Healthcare System. This strategy was successful and may allow the reimbursement of this test in France for patients with early breast cancer.


Assuntos
Neoplasias da Mama/genética , Recidiva Local de Neoplasia , Receptor ErbB-2/análise , Receptores de Estrogênio/análise , Reação em Cadeia da Polimerase Via Transcriptase Reversa/economia , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias da Mama/química , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/patologia , Quimioterapia Adjuvante/efeitos adversos , Análise Custo-Benefício , Ciclofosfamida/administração & dosagem , Tomada de Decisões , Docetaxel , Feminino , França , Perfilação da Expressão Gênica/economia , Perfilação da Expressão Gênica/métodos , Acessibilidade aos Serviços de Saúde/economia , Humanos , Metástase Linfática , Pessoa de Meia-Idade , Reação em Cadeia da Polimerase Via Transcriptase Reversa/métodos , Sensibilidade e Especificidade , Taxoides/administração & dosagem , Carga Tumoral
19.
Breast ; 23(2): 165-9, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24368024

RESUMO

PURPOSE: Trastuzumab in Human Epidermal growth Receptor 2-positive (HER2+) metastatic breast cancer (MBC) was established as standard therapy since 2001. The objective of this study was to search for significant prognostic factors in patients with HER2+ MBC treated by trastuzumab taking into account the institution where the treatment was given. PATIENTS & METHODS: All patients with HER2+ MBC treated by trastuzumab between 2001 and 2010 in the 8 hospitals of Franche Comte region were analysed. Univariate and multivariate analysis were conducted to search for factors related to overall survival (OS). RESULTS: Among 1234 patients with MBC treated by chemotherapy between 2001 and 2010, 217 patients received trastuzumab. In this subset, the median age was 60 years, 8% and 38% had brain and liver metastases at first occurrence of MBC, 36% of, tumours were hormonal receptors positive. Patients were treated in 48% and 52% of cases in specialized and in general hospitals, respectively. The median OS length was 45.2 months (IQR 23.2-89.3 months). In univariate analysis the following factors were significantly related to favourable OS: inclusion in clinical trials, treatment in a specialized hospital, positive hormonal receptors status, age <50. In multivariate analysis remained significant: treatment in specialized hospital (aHR 0.78; 95%CI 0.64-0.94; p = 0.03) and age <50 (aHR 0.76; 95%CI 0.59-0.95; p = 0.02). CONCLUSION: Exposure to trastuzumab erases all established prognostic factors at the metastatic setting. The fact that patients treated in specialized hospitals presented a longer survival emphasizes the dramatic impact of this therapy and the relevance to optimize its use.


Assuntos
Anticorpos Monoclonais Humanizados/uso terapêutico , Antineoplásicos/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Idoso , Neoplasias da Mama/mortalidade , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Metástase Neoplásica , Prognóstico , Modelos de Riscos Proporcionais , Análise de Sobrevida , Trastuzumab , Resultado do Tratamento
20.
J Oncol Pharm Pract ; 20(5): 362-8, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24158979

RESUMO

AIM: To carry out a cost-minimization analysis including a comparison of the costs arising from first-line treatment by trastuzumab plus docetaxel versus trastuzumab plus paclitaxel in patients with metastatic breast cancer. METHODS: All consecutive patients with human epidermal growth receptor 2-postive metastatic breast cancer who were treated at Besançon University Hospital and Saint Vincent private hospital between 2001 and 2010 by first-line therapy containing trastuzumab plus taxane were retrospectively studied. Economic analysis took into account costs related to drugs, hospitalization, and healthcare travel. RESULTS: Progression-free survival difference between the two treatments was not significant (p = 0.65). First-line treatment by trastuzumab plus taxane was estimated at approximately €68,000 (p = 0.74). The drug costs represented around 70-75% of the total cost, mainly related to the use of trastuzumab. CONCLUSION: Our economic analysis shows that although the costs of the two trastuzumab plus taxane regimens are similar, they may contribute to the on-going debate about the availability and use of innovative chemotherapy drugs, in particular in human epidermal growth factor receptor 2-positive metastatic breast cancer with new therapies such as trastuzumab-DM1 and pertuzumab.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/economia , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/economia , Custos de Medicamentos , Custos Hospitalares , Adulto , Idoso , Idoso de 80 Anos ou mais , Anticorpos Monoclonais Humanizados/administração & dosagem , Anticorpos Monoclonais Humanizados/economia , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Neoplasias da Mama/mortalidade , Neoplasias da Mama/patologia , Análise Custo-Benefício , Intervalo Livre de Doença , Docetaxel , Feminino , França , Hospitais Privados/economia , Hospitais Universitários/economia , Humanos , Estimativa de Kaplan-Meier , Pessoa de Meia-Idade , Programas Nacionais de Saúde/economia , Metástase Neoplásica , Paclitaxel/administração & dosagem , Paclitaxel/economia , Setor Público/economia , Estudos Retrospectivos , Taxoides/administração & dosagem , Taxoides/economia , Fatores de Tempo , Meios de Transporte/economia , Trastuzumab , Resultado do Tratamento
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