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1.
Br J Cancer ; 120(2): 207-217, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30518816

RESUMO

BACKGROUND: Advanced cancer causes necrosis and releases damage-associated molecular patterns (DAMPs). Mitochondrial DAMPs activate neutrophils, including generation of neutrophil extracellular traps (NETs), which are injurious, thrombogenic, and implicated in metastasis. We hypothesised that extracellular mitochondrial DNA (mtDNA) in ascites from patients with epithelial ovarian cancer (EOC) would correlate with worse outcomes. METHODS: Banked ascites supernatants from patients with newly diagnosed advanced EOC were analysed for mtDNA, neutrophil elastase, and activation of healthy donor neutrophils and platelets. TCGA was mined for expression of SELP and ELANE. RESULTS: The highest quartile of ascites mtDNA correlated with reduced progression-free survival (PFS) and a higher likelihood of disease progression within 12-months following primary surgery (n = 68, log-rank, p = 0.0178). NETs were detected in resected tumours. Ascites supernatants chemoattracted neutrophils, induced NETs, and activated platelets. Ascites exposure rendered neutrophils suppressive, based on abrogation of ex vivo stimulated T cell proliferation. Increased SELP mRNA expression correlated with worse overall survival (n = 302, Cox model, p = 0.02). CONCLUSION: In this single-centre retrospective analysis, ascites mtDNA correlated with worse PFS in advanced EOC. Mitochondrial and other DAMPs in ascites may activate neutrophil and platelet responses that facilitate metastasis and obstruct anti-tumour immunity. These pathways are potential prognostic markers and therapeutic targets.


Assuntos
Alarminas/genética , Carcinoma Epitelial do Ovário/genética , DNA Mitocondrial/genética , Armadilhas Extracelulares/genética , Idoso , Ascite/genética , Ascite/patologia , Plaquetas/metabolismo , Carcinoma Epitelial do Ovário/patologia , Armadilhas Extracelulares/metabolismo , Feminino , Regulação Neoplásica da Expressão Gênica/genética , Humanos , Elastase de Leucócito/genética , Pessoa de Meia-Idade , Metástase Neoplásica , Estadiamento de Neoplasias , Neutrófilos/metabolismo , Neutrófilos/patologia , Intervalo Livre de Progressão , Microambiente Tumoral/genética
2.
Cancer Causes Control ; 30(5): 537-547, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30905014

RESUMO

PURPOSE: Previous epidemiologic studies have shown that smoking, obesity, and physical inactivity are associated with poor survival following a diagnosis of ovarian cancer. Yet, the combined relationship of these unfavorable lifestyle factors on ovarian cancer survival has not been sufficiently investigated. METHODS: Using data pooled from 13 studies, we examined the associations between combined exposures to smoking, overweight/obesity weight, and physical inactivity and overall survival (OS) as well as progression-free survival (PFS) among women diagnosed with invasive epithelial ovarian carcinoma (n = 7,022). Using age- and stage-adjusted Cox proportional hazards regression models, we estimated hazard ratios (HRs) and 95% confidence intervals (CIs) associated with joint exposure to these factors. RESULTS: Combined exposure to current smoking, overweight/obesity, and physical inactivity prior to diagnosis was associated with a significantly increased risk of mortality compared to women who never smoked, had normal body mass index (BMI), and were physically active (HR = 1.37; 95% CI 1.10-1.70). The association for a joint exposure to these factors exceeded that of each exposure individually. In fact, exposure to both current smoking and overweight/obesity, and current smoking and physical inactivity was also associated with increased risk of death (HR = 1.28; 95% CI 1.08-1.52, and HR = 1.26; 95% CI 1.04-1.54, respectively). The associations were of a similar magnitude when former smoking was assessed in combination with the other exposures and when excessive weight was limited to obesity only. No significant associations were observed between joint exposure to any of these factors and PFS. CONCLUSIONS: Joint exposure to smoking, excessive weight, and physical inactivity may negatively impact survival of ovarian cancer patients. These results suggest the importance of examining the combined effect of lifestyle factors on ovarian cancer patients' survival.


Assuntos
Carcinoma Epitelial do Ovário/epidemiologia , Neoplasias Ovarianas/epidemiologia , Comportamento Sedentário , Fumar/epidemiologia , Feminino , Humanos , Atividade Motora , Obesidade/complicações , Neoplasias Ovarianas/mortalidade , Sobrepeso/complicações , Modelos de Riscos Proporcionais , Fatores de Risco , Fumar/efeitos adversos , Aumento de Peso
3.
J Allergy Clin Immunol ; 141(3): 1028-1035, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-28606585

RESUMO

BACKGROUND: We evaluated the overall and site-specific incidence of cancer in subjects with primary immunodeficiency diseases (PIDD) enrolled in the United States Immune Deficiency Network (USIDNET) registry compared with age-adjusted cancer incidence in the Surveillance, Epidemiology and End Results Program (SEER) database. OBJECTIVE: We hypothesized that subjects with PIDD would have an increased incidence of cancer due to impaired immune function. METHODS: Overall and site-specific cancer incidence rates were evaluated in subjects with PIDD (n = 3658) enrolled in the USIDNET registry from 2003 to 2015 and compared with age-adjusted incidence rates in the SEER database. RESULTS: We observed a 1.42-fold excess relative risk of cancer in subjects with PIDD compared with the age-adjusted SEER population (P < .001). Men with PIDD had a 1.91-fold excess relative risk of cancer compared with the age-adjusted male population (P < .001), while women with PIDD had similar overall cancer rates compared with the age-adjusted female population. Of the 4 most common malignancies in men and women in SEER (lung, colon, breast, and prostate cancers), we found no significant increase in these diagnoses in subjects with PIDD. Significant increases in lymphoma in both men (10-fold increase, P < .001) and women (8.34-fold increase, P < .001) with PIDD were observed. CONCLUSIONS: Excess incidence of cancer occurred in subjects with PIDD. An excess of lymphoma in specific PIDD populations principally drove this increased incidence, while no increased risk of the most common solid tumor malignancies was observed. These data point to a restricted role of the immune system in protecting from specific cancers.


Assuntos
Síndromes de Imunodeficiência/epidemiologia , Neoplasias/epidemiologia , Programa de SEER , Adulto , Idoso , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Estados Unidos/epidemiologia
4.
Cancer Causes Control ; 29(2): 201-212, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-29327114

RESUMO

PURPOSE: Multiple studies have examined the role of anthropometric characteristics in ovarian cancer risk and survival; however, their results have been conflicting. We investigated the associations between weight change, height and height change and risk and outcome of ovarian cancer using data from a large population-based case-control study. METHODS: Data from 699 ovarian cancer cases and 1,802 controls who participated in the HOPE study were included. We used unconditional logistic regression adjusted for age, race, number of pregnancies, use of oral contraceptives, and family history of breast or ovarian cancer to examine the associations between self-reported height and weight and height change with ovarian cancer risk. Cox proportional hazards regression models adjusted for age and stage were used to examine the association between the exposure variables and overall and progression-free survival among ovarian cancer cases. RESULTS: We observed an increased risk of ovarian cancer mortality and progression for gaining more than 20 pounds between ages 18-30, HR 1.36; 95% CI 1.05-1.76, and HR 1.31; 95% CI 1.04-1.66, respectively. Losing weight and gaining it back multiple times was inversely associated with both ovarian cancer risk, OR 0.78; 95% CI 0.63-0.97 for 1-4 times and OR 0.73; 95% CI 0.54-0.99 for 5-9 times, and mortality, HR 0.63; 95% CI 0.40-0.99 for 10-14 times. Finally, being taller during adolescence and adulthood was associated with increased risk of mortality. Taller stature and weight gain over lifetime were not related to ovarian cancer risk. CONCLUSIONS: Our results suggest that height and weight and their change over time may influence ovarian cancer risk and survival. These findings suggest that biological mechanisms underlying these associations may be hormone driven and may play an important role in relation to ovarian carcinogenesis and tumor progression.


Assuntos
Antropometria , Neoplasias Ovarianas/epidemiologia , Adulto , Idoso , Índice de Massa Corporal , Peso Corporal , Estudos de Casos e Controles , Feminino , Humanos , Pessoa de Meia-Idade , Fatores de Risco , Aumento de Peso
5.
Gynecol Oncol ; 150(2): 361-369, 2018 08.
Artigo em Inglês | MEDLINE | ID: mdl-29803316

RESUMO

During the last decade, the field of cancer immunotherapy has been entirely transformed by the development of new and more effective treatment modalities with impressive response rates and the prospect of long survival. One of the major breakthroughs is adoptive cell transfer (ACT) based on autologous T cells derived from tumor-infiltrating lymphocytes (TILs). TIL-based ACT is a highly personalized cancer treatment. T cells are harvested from autologous fresh tumor tissues, and after ex vivo activation and extensive expansion, are reinfused to patients. TIL-based therapies have only been offered in small phase I/II studies in a few centers given the highly specialized care required, the complexity of TIL production and the very intensive nature of the three-step treatment protocol. The treatment includes high-dose lymphodepleting chemotherapy, the infusion of the expanded and activated T cells and interleukin-2 (IL-2) injections to increase survival of the T cells. Despite the limited data on ACT, the small published studies consistently confirm an impressive clinical response rate of up to 50% in metastatic melanoma patients, including a significant proportion of patients with durable complete response. These remarkable results justify the need for larger clinical trials in other solid tumors, including gynecologic malignancies. In this review we provide an overview of the current clinical results, future applications of TIL-based ACT in gynecologic malignancies, and on risks and challenges associated with modern T cell therapy.


Assuntos
Neoplasias dos Genitais Femininos/terapia , Imunoterapia Adotiva/métodos , Linfócitos do Interstício Tumoral/transplante , Feminino , Neoplasias dos Genitais Femininos/imunologia , Humanos , Linfócitos do Interstício Tumoral/imunologia , Medicina de Precisão , Transplante Autólogo
6.
Br J Cancer ; 117(7): 1063-1069, 2017 Sep 26.
Artigo em Inglês | MEDLINE | ID: mdl-28817835

RESUMO

BACKGROUND: Findings from in vitro studies suggest that increased exposure to thyroid hormones can influence progression of ovarian tumours. However, epidemiologic evidence on this topic is limited. METHODS: We pooled data from 11 studies from the Ovarian Cancer Association Consortium. Using multivariate Cox proportional hazards models, we estimated associations between hyper- and hypothyroidism and medications prescribed for these conditions with 5-year all-cause survival among women diagnosed with invasive ovarian cancer. RESULTS: Overall, there was a nonsignificant association with history of hyperthyroidism (n=160 cases) and mortality (HR=1.22; 95% CI=0.97-1.53). Furthermore, diagnosis of hyperthyroidism within the 5 years before ovarian cancer diagnosis was associated with an increased risk of death (HR=1.94; 95% CI=1.19-3.18). A more modest association was observed with history of hypothyroidism (n=624 cases) and mortality (HR=1.16; 95% CI=1.03-1.31). Neither duration of hypothyroidism nor use of thyroid medications was associated with survival. CONCLUSIONS: In this large study of women with ovarian cancer, we found that recent history of hyperthyroidism and overall history of hypothyroidism were associated with worse 5-year survival.


Assuntos
Hipertireoidismo/epidemiologia , Hipotireoidismo/epidemiologia , Neoplasias Ovarianas/mortalidade , Idoso , Feminino , Humanos , Hipertireoidismo/tratamento farmacológico , Hipotireoidismo/tratamento farmacológico , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Taxa de Sobrevida , Fatores de Tempo
7.
Cancer Causes Control ; 28(5): 469-486, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28293802

RESUMO

PURPOSE: Survival following ovarian cancer diagnosis is generally low; understanding factors related to prognosis could be important to optimize treatment. The role of previously diagnosed comorbidities and use of medications for those conditions in relation to prognosis for ovarian cancer patients has not been studied extensively, particularly according to histological subtype. METHODS: Using pooled data from fifteen studies participating in the Ovarian Cancer Association Consortium, we examined the associations between history of hypertension, heart disease, diabetes, and medications taken for these conditions and overall survival (OS) and progression-free survival (PFS) among patients diagnosed with invasive epithelial ovarian carcinoma. We used Cox proportional hazards regression models adjusted for age and stage to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) overall and within strata of histological subtypes. RESULTS: History of diabetes was associated with increased risk of mortality (n = 7,674; HR = 1.12; 95% CI = 1.01-1.25). No significant mortality associations were observed for hypertension (n = 6,482; HR = 0.95; 95% CI = 0.88-1.02) or heart disease (n = 4,252; HR = 1.05; 95% CI = 0.87-1.27). No association of these comorbidities was found with PFS in the overall study population. However, among patients with endometrioid tumors, hypertension was associated with lower risk of progression (n = 339, HR = 0.54; 95% CI = 0.35-0.84). Comorbidity was not associated with OS or PFS for any of the other histological subtypes. Ever use of beta blockers, oral antidiabetic medications, and insulin was associated with increased mortality, HR = 1.20; 95% CI = 1.03-1.40, HR = 1.28; 95% CI = 1.05-1.55, and HR = 1.63; 95% CI = 1.20-2.20, respectively. Ever use of diuretics was inversely associated with mortality, HR = 0.71; 95% CI = 0.53-0.94. CONCLUSIONS: Histories of hypertension, diabetes, and use of diuretics, beta blockers, insulin, and oral antidiabetic medications may influence the survival of ovarian cancer patients. Understanding mechanisms for these observations could provide insight regarding treatment.


Assuntos
Cardiopatias/complicações , Hipertensão/complicações , Neoplasias Ovarianas/mortalidade , Antagonistas Adrenérgicos beta/uso terapêutico , Adulto , Idoso , Diabetes Mellitus/tratamento farmacológico , Intervalo Livre de Doença , Feminino , Cardiopatias/tratamento farmacológico , Humanos , Hipertensão/tratamento farmacológico , Hipoglicemiantes/uso terapêutico , Insulina/uso terapêutico , Pessoa de Meia-Idade , Neoplasias Ovarianas/complicações , Neoplasias Ovarianas/patologia , Risco , Taxa de Sobrevida
8.
Gynecol Oncol ; 146(3): 491-497, 2017 09.
Artigo em Inglês | MEDLINE | ID: mdl-28624153

RESUMO

OBJECTIVES: To investigate the impact of ascites volume on ovarian cancer outcomes. METHODS: Clinicopathologic features of a cohort of patients with ovarian cancer were obtained from a curated database at a single institution. Progression free survival (PFS) and overall survival (OS) were recorded. Ascites volume at primary surgery was dichotomized at 2000mL and comparisons for high and low volume ascites were made. Additionally, to elucidate interactions between ascites and ovarian tumor progression, we evaluated the effect of intraperitoneal administrations of murine cell-free ascites versus saline in a syngeneic mouse model of epithelial ovarian cancer. RESULTS: Out of 685 patients identified, 58% had ascites present at the time of initial surgery. Considering the volume of ascites continuously, each liter of ascites was associated with shorter PFS (HR=1.12, 95% CI: 1.07-1.17) and OS (HR=1.12, 95%CI: 1.07-1.17). Patients with ascites greater than the median of 2000mL had significantly shorter PFS (14.5months vs. 22.7months; p<0.001) and OS (27.7months vs. 42.9months; p<0.001). After adjusting for stage, presence of ascites was inversely associated with ability to achieve optimal cytoreductive surgery. Consistent with these correlative results in patients, intraperitoneal administrations of murine cell-free ascites accelerated ovarian cancer progression in mice. CONCLUSIONS: The volume of ascites at initial diagnosis of ovarian cancer correlated with worse PFS and OS. The effect of large volume on prognosis is likely to be in part related to reduced likelihood for complete resection of tumor (R0). If these findings are confirmed in independent studies, consideration should be made to add the presence of large volume ascites at diagnosis to the staging criteria for ovarian cancer.


Assuntos
Ascite/etiologia , Neoplasias Epiteliais e Glandulares/complicações , Neoplasias Epiteliais e Glandulares/cirurgia , Neoplasias Ovarianas/complicações , Neoplasias Ovarianas/cirurgia , Animais , Carcinoma Epitelial do Ovário , Procedimentos Cirúrgicos de Citorredução , Intervalo Livre de Doença , Feminino , Humanos , Injeções Intraperitoneais , Camundongos , Camundongos Endogâmicos C57BL , Pessoa de Meia-Idade , Neoplasia Residual , Critérios de Avaliação de Resposta em Tumores Sólidos , Estudos Retrospectivos , Cloreto de Sódio/administração & dosagem , Taxa de Sobrevida
9.
Int J Gynecol Cancer ; 27(1): 11-16, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27759594

RESUMO

OBJECTIVE: There is a mounting body of evidence demonstrating higher percentages of regulatory T (Treg) cells in the peripheral blood of patients with cancer in comparison to healthy controls, but there is a paucity of epidemiological literature characterizing circulating Treg cells among patients with epithelial ovarian cancer (EOC). To investigate the role of peripheral Treg cells in ovarian neoplasms, we conducted a case-control study to characterize circulating concentrations of Treg cells among patients with EOC, women with benign ovarian conditions, and healthy controls without a history of cancer. MATERIALS AND METHODS: Participants were identified for inclusion due to their participation in the Data Bank and BioRepository program at Roswell Park Cancer Institute in Buffalo, NY. Patients included 71 women with a primary diagnosis of EOC and 195 women with a diagnosis of benign ovarian conditions. Controls included 101 age- and race-matched women without a history of cancer. Nonfasting, pretreatment peripheral blood levels of CD3+CD4+CD25+FOXP3+ Treg cells were measured using flow cytometric analyses and expressed as a percentage of total CD3+ cells and as a percentage of total CD3+CD4+ cells. RESULTS: Compared to healthy controls and women with benign ovarian conditions, patients with EOC had significantly higher frequency of Treg cells (P < 0.04). In multivariable logistic regression analyses using Treg frequency expressed as a percentage of CD+3 cells, we observed a significant positive association between Treg cell percentage and EOC risk, with each 1% increase associated with a 37% increased risk of EOC (odds ratio, 1.37; 95% confidence interval, 1.04-1.80). We observed a similar trend when Treg frequency was expressed as a percentage of CD3+CD+4 cells (odds ratio, 1.22; 95% confidence interval, 0.99-1.49). CONCLUSIONS: The current study provides support that peripheral Treg cell frequency is elevated in patients with EOC in comparison to women with benign ovarian conditions and healthy controls.


Assuntos
Neoplasias Epiteliais e Glandulares/sangue , Neoplasias Ovarianas/sangue , Linfócitos T Reguladores/patologia , Fatores Etários , Carcinoma Epitelial do Ovário , Estudos de Casos e Controles , Feminino , Humanos , Pessoa de Meia-Idade , Neoplasias Epiteliais e Glandulares/imunologia , Neoplasias Ovarianas/imunologia , Linfócitos T Reguladores/imunologia
10.
J Low Genit Tract Dis ; 20(3): 230-3, 2016 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-27105330

RESUMO

OBJECTIVE: In this study, we investigated whether physical inactivity was associated with risk of cervical cancer in women treated at an American cancer hospital. METHODS: This case-control study included 128 patients with cervical cancer and 512 controls matched on age. Controls were women suspected of having but not ultimately diagnosed with a neoplasm. Physical inactivity was defined in accordance with the 2008 Physical Activity Guidelines for Americans. Thus, participants reporting, on average, no moderate or vigorous recreational physical activity were classified as inactive. Unconditional logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS: Compared with noncancer controls, those with cervical cancer had significantly increased odds of reporting abstinence from recreational physical activity (OR, 2.43; 95% CI, 1.56-3.80). No association was noted between occupational-related physical inactivity and cervical cancer (OR, 0.88; 95% CI, 0.58-1.36). CONCLUSIONS: Our findings suggest that abstinence from regular recreational physical activity is associated with increased odds of cervical cancer. To our knowledge, this is the first US-based study examining these associations. Given the 2008 Physical Activity Guidelines for Americans, this study has identified yet another potential public health benefit to regular physical activity. Further investigation is needed using a larger sample and prospectively collected data to characterize dose of activity to mitigate risk and the optimal window of susceptibility.


Assuntos
Exercício Físico , Neoplasias do Colo do Útero/epidemiologia , Adulto , Estudos de Casos e Controles , Feminino , Humanos , Medição de Risco , Adulto Jovem
11.
JCI Insight ; 4(5)2019 03 07.
Artigo em Inglês | MEDLINE | ID: mdl-30730851

RESUMO

Epithelial ovarian cancer (EOC) often presents with metastases and ascites. Granulocytic myeloid-derived suppressor cells are an immature population that impairs antitumor immunity. Since suppressive granulocytes in the ascites of patients with newly diagnosed EOC were morphologically mature, we hypothesized that PMN were rendered suppressive in the tumor microenvironment (TME). Circulating PMN from patients were not suppressive but acquired a suppressor phenotype (defined as ≥1 log10 reduction of anti-CD3/CD28-stimulated T cell proliferation) after ascites supernatant exposure. Ascites supernatants (20 of 31 supernatants) recapitulated the suppressor phenotype in PMN from healthy donors. T cell proliferation was restored with ascites removal and restimulation. PMN suppressors also inhibited T cell activation and cytokine production. PMN suppressors completely suppressed proliferation in naive, central memory, and effector memory T cells and in engineered tumor antigen-specific cytotoxic T lymphocytes, while antigen-specific cell lysis was unaffected. Inhibition of complement C3 activation and PMN effector functions, including CR3 signaling, protein synthesis, and vesicular trafficking, abrogated the PMN suppressor phenotype. Moreover, malignant effusions from patients with various metastatic cancers also induced the C3-dependent PMN suppressor phenotype. These results point to PMN impairing T cell expansion and activation in the TME and the potential for complement inhibition to abrogate this barrier to antitumor immunity.


Assuntos
Imunidade , Neutrófilos/imunologia , Neoplasias Ovarianas/imunologia , Linfócitos T/imunologia , Microambiente Tumoral/imunologia , Idoso , Antígenos CD28 , Proliferação de Células , Complemento C3 , Citocinas , Feminino , Granulócitos , Humanos , Ativação Linfocitária/imunologia , Muromonab-CD3 , Células Supressoras Mieloides/imunologia , Neoplasias Ovarianas/patologia
12.
JAMA Netw Open ; 1(8): e185452, 2018 12 07.
Artigo em Inglês | MEDLINE | ID: mdl-30646274

RESUMO

Importance: Opioids are routinely prescribed for postoperative home pain management for most patients in the United States, with limited evidence of the amount needed to be dispensed. Opioid-based treatment often adversely affects recovery. Prescribed opioids increase the risk of chronic opioid use, abuse, and diversion and contribute to the current opioid epidemic. Objective: To evaluate whether after hospital discharge, postsurgical acute pain can be effectively managed with a markedly reduced number of opioid doses. Design, Setting, and Participants: In this case-control cohort study, an ultrarestrictive opioid prescription protocol (UROPP) was designed and implemented from June 26, 2017, through June 30, 2018, at a single tertiary-care comprehensive cancer center. All patients undergoing gynecologic oncology surgery were included. Patients undergoing ambulatory or minimally invasive surgery (laparoscopic or robotic approach) were not prescribed opioids at discharge unless they required more than 5 doses of oral or intravenous opioids while in the hospital. Patients who underwent a laparotomy were provided a 3-day opioid pain medication supply at discharge. Main Outcomes and Measures: Total number of opioid pain medications prescribed in the 60-day perioperative period, requests for opioid prescription refills, and postoperative pain scores and complications were evaluated. Factors associated with increased postoperative pain, preoperative and postoperative pain scores, inpatient status, prior opioid use, and all opioid prescriptions within the 60-day perioperative window were monitored among the case patients and compared with those from consecutive control patients treated at the center in the 12 months before the UROPP was implemented. Results: Patient demographics and procedure characteristics were not statistically different between the 2 cohorts of women (605 cases: mean [SD] age, 56.3 [14.5] years; 626 controls: mean [SD] age, 55.5 [13.9] years). The mean (SD) number of opioid tablets given at discharge after a laparotomy was 43.6 (17.0) before implementation of the UROPP and 12.1 (8.9) after implementation (P < .001). For patients who underwent laparoscopic or robotic surgery, the mean (SD) number of opioid tablets given at discharge was 38.4 (17.4) before implementation of the UROPP and 1.3 (3.7) after implementation (P < .001). After ambulatory surgery, the mean (SD) number of opioid tablets given at discharge was 13.9 (16.6) before implementation of the UROPP and 0.2 (2.1) after implementation (P < .001). The mean (SD) perioperative oral morphine equivalent dose was reduced to 64.3 (207.2) mg from 339.4 (674.4) mg the year prior for all opioid-naive patients (P < .001). The significant reduction in the number of dispensed opioids was not associated with an increase the number of refill requests (104 patients [16.6%] in the pre-UROPP group vs 100 patients [16.5%] in the post-UROPP group; P = .99), the mean (SD) postoperative visit pain scores (1.1 [2.2] for the post-UROPP group vs 1.4 [2.3] for pre-UROPP group; P = .06), or the number of complications (29 cases [4.8%] in the post-UROPP group vs 42 cases [6.7%] in the pre-UROPP group; P = .15). Conclusions and Relevance: Implementation of a UROPP was associated with a significant decrease in the overall amount of opioids prescribed to patients after gynecologic and abdominal surgery at the time of discharge for all patients, and for the entire perioperative time for opioid-naive patients without changes in pain scores, complications, or medication refill requests.


Assuntos
Analgésicos Opioides , Prescrições de Medicamentos/estatística & dados numéricos , Manejo da Dor/métodos , Dor Pós-Operatória/tratamento farmacológico , Adulto , Idoso , Analgésicos Opioides/administração & dosagem , Analgésicos Opioides/uso terapêutico , Estudos de Casos e Controles , Feminino , Procedimentos Cirúrgicos em Ginecologia/efeitos adversos , Humanos , Laparotomia/efeitos adversos , Masculino , Pessoa de Meia-Idade
13.
Gynecol Oncol Rep ; 21: 57-60, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-28706968

RESUMO

•Secondary, reversion mutations in BRCA genes can restore protein function.•Reversion mutations can underlie resistance to therapies such as PARP inhibitors.•Reversion mutations arise during the course of treatment.

14.
FEMS Microbiol Lett ; 364(6)2017 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-28333199

RESUMO

Campylobacter jejuni frequently infects humans causing many gastrointestinal symptoms, fever, fatigue and several long-term debilitating diseases. Current treatment for campylobacteriosis includes rehydration and in some cases, antibiotic therapy. Probiotics are used to treat several gastrointestinal diseases. Butyrate is a short-chain fatty acid known to promote intestinal health. Interaction of butyrate with its respective receptor (HCAR2) and transporter (SLC5A8), both expressed in the intestine, is associated with water and electrolyte absorption as well as providing defense against colon cancer and inflammation. Alterations in gut microbiota influence the presence of HCAR2 and SLC5A8 in the intestine. We hypothesized that adherence and/or invasion of C. jejuni and alterations in HCAR2 and SLC5A8 expression would be minimized with butyrate or Lactobacillus GG (LGG) pretreatment of Caco-2 cells. We found that both C. jejuni adhesion but not invasion was reduced with butyrate pretreatment. While LGG pretreatment did not prevent C. jejuni adhesion, it did result in reduced invasion which was associated with altered cell supernate pH. Both butyrate and LGG protected HCAR2 and SLC5A8 protein expression following C. jejuni infection. These results suggest that the first stages of C. jejuni infection of Caco-2 cells may be minimized by LGG and butyrate pretreatment.


Assuntos
Butiratos/metabolismo , Butiratos/farmacologia , Campylobacter jejuni/fisiologia , Proteínas de Transporte/metabolismo , Lacticaseibacillus rhamnosus/efeitos dos fármacos , Lacticaseibacillus rhamnosus/metabolismo , Interações Microbianas , Aderência Bacteriana/efeitos dos fármacos , Células CACO-2 , Infecções por Campylobacter/genética , Infecções por Campylobacter/metabolismo , Infecções por Campylobacter/microbiologia , Células Cultivadas , Expressão Gênica , Humanos , Concentração de Íons de Hidrogênio , Transportadores de Ácidos Monocarboxílicos/genética , Transportadores de Ácidos Monocarboxílicos/metabolismo , Receptores Acoplados a Proteínas G/genética , Receptores Acoplados a Proteínas G/metabolismo , Receptores Nicotínicos/genética , Receptores Nicotínicos/metabolismo
15.
Cancer Epidemiol Biomarkers Prev ; 26(9): 1470-1473, 2017 09.
Artigo em Inglês | MEDLINE | ID: mdl-28864456

RESUMO

Background: Comorbidities can affect survival of ovarian cancer patients by influencing treatment efficacy. However, little evidence exists on the association between individual concurrent comorbidities and prognosis in ovarian cancer patients.Methods: Among patients diagnosed with invasive ovarian carcinoma who participated in 23 studies included in the Ovarian Cancer Association Consortium, we explored associations between histories of endometriosis; asthma; depression; osteoporosis; and autoimmune, gallbladder, kidney, liver, and neurological diseases and overall and progression-free survival. Using Cox proportional hazards regression models adjusted for age at diagnosis, stage of disease, histology, and study site, we estimated pooled HRs and 95% confidence intervals to assess associations between each comorbidity and ovarian cancer outcomes.Results: None of the comorbidities were associated with ovarian cancer outcome in the overall sample nor in strata defined by histologic subtype, weight status, age at diagnosis, or stage of disease (local/regional vs. advanced).Conclusions: Histories of endometriosis; asthma; depression; osteoporosis; and autoimmune, gallbladder, kidney, liver, or neurologic diseases were not associated with ovarian cancer overall or progression-free survival.Impact: These previously diagnosed chronic diseases do not appear to affect ovarian cancer prognosis. Cancer Epidemiol Biomarkers Prev; 26(9); 1470-3. ©2017 AACR.


Assuntos
Neoplasias Ovarianas/mortalidade , Comorbidade , Intervalo Livre de Doença , Feminino , Humanos , Neoplasias Ovarianas/epidemiologia , Análise de Sobrevida
16.
Cancer Epidemiol Biomarkers Prev ; 26(3): 420-424, 2017 03.
Artigo em Inglês | MEDLINE | ID: mdl-27677730

RESUMO

Background: The precise mechanism by which the immune system is adversely affected in cancer patients remains poorly understood, but the accumulation of immunosuppressive/protumorigenic myeloid-derived suppressor cells (MDSCs) is thought to be a prominent mechanism contributing to immunologic tolerance of malignant cells in epithelial ovarian cancer (EOC). To this end, we hypothesized genetic variation in MDSC pathway genes would be associated with survival after EOC diagnoses.Methods: We measured the hazard of death due to EOC within 10 years of diagnosis, overall and by invasive subtype, attributable to SNPs in 24 genes relevant in the MDSC pathway in 10,751 women diagnosed with invasive EOC. Versatile Gene-based Association Study and the admixture likelihood method were used to test gene and pathway associations with survival.Results: We did not identify individual SNPs that were significantly associated with survival after correction for multiple testing (P < 3.5 × 10-5), nor did we identify significant associations between the MDSC pathway overall, or the 24 individual genes and EOC survival.Conclusions: In this well-powered analysis, we observed no evidence that inherited variations in MDSC-associated SNPs, individual genes, or the collective genetic pathway contributed to EOC survival outcomes.Impact: Common inherited variation in genes relevant to MDSCs was not associated with survival in women diagnosed with invasive EOC. Cancer Epidemiol Biomarkers Prev; 26(3); 420-4. ©2016 AACR.


Assuntos
Variação Genética , Células Supressoras Mieloides/imunologia , Neoplasias Epiteliais e Glandulares/genética , Neoplasias Epiteliais e Glandulares/mortalidade , Neoplasias Ovarianas/genética , Neoplasias Ovarianas/mortalidade , Carcinoma Epitelial do Ovário , Feminino , Estudos de Associação Genética , Humanos , Neoplasias Epiteliais e Glandulares/imunologia , Neoplasias Ovarianas/imunologia
17.
Cancers (Basel) ; 8(10)2016 Sep 23.
Artigo em Inglês | MEDLINE | ID: mdl-27669307

RESUMO

Photodynamic therapy (PDT) is a treatment modality used in the management of solid tumor malignancies that employs the use of a photosensitizing agent, a light source and oxygen in order to illicit a direct cytotoxic effect. Its use in gynecologic malignancies is somewhat novel and has been used for palliative and curative intent. At the Roswell Park Cancer Institute, the use of PDT in the management of gynecologic cancers began in the mid 1980s and since that time 35 patients have received PDT as a treatment for recurrent or metastatic cutaneous and vulvar, vaginal, anal, and cervical recurrences. In our experience, 85% patients with metastatic cutaneous lesions had a complete response. Twenty-seven percent of patients with metastatic vaginal, cervical or anal recurrences had a complete response to therapy with a median response time of 28 months. Side effects from the treatment included moderate to severe burning sensation, pain and edema at the treatment site requiring narcotic pain medication for symptom management in patients who underwent treatment to cutaneous lesions as well as lower genital tract recurrences. PDT should be considered an option in patients who are too frail to undergo the standard of care or decline the standard of care in lieu of a less invasive treatment modality.

18.
Int J Palliat Nurs ; 8(4): 182, 184-9, 2002 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-12048447

RESUMO

This article presents the findings of a qualitative study looking at the content and use of a personally held record for cancer patients. The study was conducted in the York area of the UK over a 1-year period and the record was introduced to patients as near to diagnosis as possible. The record had three main sections: general information, communication sheets and a health diary. Users were invited to complete questionnaires and volunteer patients took part in independently facilitated focus group discussions. Patients liked the record and placed importance on access to information early in their treatment process. They valued the health diary as a means of therapy and personal reflection and shared information in the records with family and friends. The steering group coordinating the study believed there was sufficient positive feedback to warrant further work. However, the findings of regional and national working groups must be assessed before progressing to the next stage of development.


Assuntos
Neoplasias/psicologia , Pacientes/psicologia , Registros , Humanos
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