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Sökning: WFRF:(Maenpaa J)

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1.
  • Watts, Eleanor L., et al. (författare)
  • Circulating sex hormones in relation to anthropometric, sociodemographic and behavioural factors in an international dataset of 12,300 men
  • 2017
  • Ingår i: PLOS ONE. - 1932-6203. ; 12:12
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Sex hormones have been implicated in the etiology of a number of diseases. To better understand disease etiology and the mechanisms of disease-risk factor associations, this analysis aimed to investigate the associations of anthropometric, sociodemographic and behavioural factors with a range of circulating sex hormones and sex hormone-binding globulin.Methods: Statistical analyses of individual participant data from 12,330 male controls aged 25–85 years from 25 studies involved in the Endogenous Hormones Nutritional Biomarkers and Prostate Cancer Collaborative Group. Analysis of variance was used to estimate geometric means adjusted for study and relevant covariates.Results: Older age was associated with higher concentrations of sex hormone-binding globulin and dihydrotestosterone and lower concentrations of dehydroepiandrosterone sulfate, free testosterone, androstenedione, androstanediol glucuronide and free estradiol. Higher body mass index was associated with higher concentrations of free estradiol, androstanediol glucuronide, estradiol and estrone and lower concentrations of dihydrotestosterone, testosterone, sex hormone-binding globulin, free testosterone, androstenedione and dehydroepiandrosterone sulfate. Taller height was associated with lower concentrations of androstenedione, testosterone, free testosterone and sex hormone-binding globulin and higher concentrations of androstanediol glucuronide. Current smoking was associated with higher concentrations of androstenedione, sex hormone-binding globulin and testosterone. Alcohol consumption was associated with higher concentrations of dehydroepiandrosterone sulfate, androstenedione and androstanediol glucuronide. East Asians had lower concentrations of androstanediol glucuronide and African Americans had higher concentrations of estrogens. Education and marital status were modestly associated with a small number of hormones.Conclusion: Circulating sex hormones in men are strongly associated with age and body mass index, and to a lesser extent with smoking status and alcohol consumption.
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  • Falconer, Henrik, et al. (författare)
  • Robot-assisted approach to cervical cancer (RACC) : An international multi-center, open-label randomized controlled trial
  • 2019
  • Ingår i: International Journal of Gynecological Cancer. - : Wiley-Blackwell. - 1048-891X .- 1525-1438. ; 29:6, s. 1072-1076
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Radical hysterectomy with pelvic lymphadenectomy represents the standard treatment for early-stage cervical cancer. Results from a recent randomized controlled trial demonstrate that minimally invasive surgery is inferior to laparotomy with regards to disease-free and overall survival. Primary Objective To investigate the oncologic safety of robot-assisted surgery for early-stage cervical cancer as compared with standard laparotomy. Study Hypothesis Robot-assisted laparoscopic radical hysterectomy is non-inferior to laparotomy in regards to recurrence-free survival with the advantage of fewer post-operative complications and superior patient-reported outcomes. Trial Design Prospective, multi-institutional, international, open-label randomized clinical trial. Consecutive women with early-stage cervical cancer will be assessed for eligibility and subsequently randomized 1:1 to either robot-assisted laparoscopic surgery or laparotomy. Institutional review board approval will be required from all participating institutions. The trial is coordinated from Karolinska University Hospital, Sweden. Major Inclusion/Exclusion Criteria Women over 18 with cervical cancer FIGO (2018) stages IB1, IB2, and IIA1 squamous, adenocarcinoma, or adenosquamous will be included. Women are not eligible if they have evidence of metastatic disease, serious co-morbidity, or a secondary invasive neoplasm in the past 5 years. Primary Endpoint Recurrence-free survival at 5 years between women who underwent robot-assisted laparoscopic surgery versus laparotomy for early-stage cervical cancer. Sample Size The clinical non-inferiority margin in this study is defined as a 5-year recurrence-free survival not worsened by >7.5%. With an expected recurrence-free survival of 85%, the study needs to observe 127 events with a one-sided level of significance (α) of 5% and a power (1-β) of 80%. With 5 years of recruitment and 3 years of follow-up, the necessary number of events will be reached if the study can recruit a total of 768 patients. Estimated Dates for Completing Accrual and Presenting Results Trial launch is estimated to be May 2019 and the trial is estimated to close in May 2027 with presentation of data shortly thereafter. Trial Registration The trial is registered at ClinicalTrials.gov (NCT03719547).
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  • Gronlund, B, et al. (författare)
  • Sequential topotecan and oral etoposide in recurrent ovarian carcinoma pretreated with platinum-taxane - Results from a multicenter phase I/II study
  • 2005
  • Ingår i: Cancer. - : John Wiley and Sons. - 1097-0142. ; 103:7, s. 1388-1396
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND. The objectives of this study were to determine the maximum tolerable dose (MTD), toxicity, efficacy, and feasibility of a sequential regimen of fixed-dose topotecan (1.00 mg/m(2) on Days 1-5) and increasing doses of oral etoposide (50 mg, 75 mg, and 100 mg on Days 6-12 or Days 6-19) in patients with recurrent ovarian carcinoma. METHODS. This multicenter, open-label study was planned as a Phase I-II study that included patients with epithelial ovarian carcinoma who failed or who developed recurrent disease < 12 months after the end of platinum and taxane-containing chemotherapy. Dose-limiting toxicity (DLT) was defined as follows: Grade 4 neutropenia for > 1 week, or neutropenic fever 38.5 degrees C for > 24 hours/sepsis, or Grade 4 thrombocytopenia for > 1 week, or thrombocytopenia with bleeding, or Grade 3-4 nonhematologic toxicity. RESULTS. The MTD, as defined in the protocol, could not be settled because of unpredictable toxicity, because DLT was found at all dose levels except the starting dose level. In 28 patients (Phase I), 155 cycles were evaluable for toxicity. The main DLT was neutropenia Grade 4 for > 1 week or neutropenic fever/sepsis. Overall, neutropenia Grade 4 that lasted > 1 week and sepsis were noticed in 3% and 2% of cycles, respectively. Because no MTD was reached, the planned Phase II trial was not initiated. However, the patients from Phase I were followed until they developed progressive disease and, among them, 9 patients (32%) obtained an objective response (according to Response Evaluation Criteria in Solid Tumors (RECIST) or CA125 response criteria). CONCLUSIONS. Combined topotecan and oral etoposide was inappropriate in patients with recurrent ovarian carcinoma because of unpredictable hematologic toxicity. However, the high objective response rate highlighted the potential additive effect of topoisomerase I and II inhibitors.
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  • Mirza, Mansoor Raza, et al. (författare)
  • A phase I study of the PARP inhibitor niraparib in combination with bevacizumab in platinum-sensitive epithelial ovarian cancer: NSGO AVANOVA1/ENGOT-OV24
  • 2019
  • Ingår i: Cancer Chemotherapy and Pharmacology. - : SPRINGER. - 0344-5704 .- 1432-0843. ; 84:4, s. 791-798
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Combining poly(ADP-ribose) polymerase (PARP) inhibitors with antiangiogenic agents appeared to enhance activity vs PARP inhibitors alone in a randomized phase II trial. Materials and methods In AVANOVA (NCT02354131) part 1, patients with measurable/evaluable high-grade serous/endometrioid platinum-sensitive ovarian cancer received bevacizumab 15 mg/kg every 21 days with escalating doses of niraparib capsules (100, 200, or 300 mg daily) in a 3 + 3 dose-escalation design. Primary objectives were to evaluate safety and tolerability and to determine the recommended phase II dose (RP2D). Results Three of 12 enrolled patients had germline BRCA2 mutations. In cycle 1, nine patients experienced grade 3 toxicities: five with hypertension, three with anemia, and one with thrombocytopenia. There was one dose-limiting toxicity (grade 4 thrombocytopenia with niraparib 300 mg), thus the RP2D was bevacizumab 15 mg/kg with niraparib 300 mg. The response rate was 50%; disease was stabilized in a further 42%. Median progression-free survival was 11.6 (95% confidence interval 8.4-20.1) months. Niraparib pharmacokinetics were consistent with historical single-agent data. Overlapping exposure was observed across the dose ranges tested on days 1 and 21. Conclusions There was one dose-limiting toxicity; other adverse events were typical PARP inhibitor and antiangiogenic class effects. Niraparib-bevacizumab showed promising activity; Part 2 (vs bevacizumab) was recently reported and phase III comparison with standard-of-care therapy is planned.
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