Publications by authors named "Neymark N"

Purpose: This study describes the treatment in ordinary clinical practice in Spain of patients with glaucoma with a two-drug combination therapy. The authors present the treatment outcome as endof-period intraocular pressure (IOP) and the calculated direct medical costs over a 2-year period.

Methods: Data were extracted retrospectively from patient charts recording the use of all medical resources related to glaucoma.

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Background: During the 1990s, a number of new cytotoxic agents with clinically relevant activity in non-small-cell lung cancer (NSCLC), and with a more favourable therapeutic index than drugs already in use, became available. Given the high prices of these new drugs and the large number of patients affected, it is important to compare the relative benefits and costs of these treatments with the existing regimens before treatment policy decisions are changed.

Purpose: An economic evaluation of three different regimens of chemotherapy in patients with advanced NSCLC was performed from the perspective of the Dutch health insurance system using tariffs valid for 2002.

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Objective: It is a current hypothesis that chemotherapy-induced nausea and vomiting (CINV) may ultimately impede the clinical success of cancer treatments by hindering patients' adherence to the optimal treatment schedule. The aim of this study is to examine clinical trial data retrospectively for possible evidence of such a detrimental impact of CINV.

Patients And Methods: Data from three recent European Organization for Research and Treatment of Cancer (EORTC) trials of highly emetogenic cisplatin-based chemotherapy in diverse patient populations were analyzed retrospectively for incidence and possible impact of CINV.

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Purpose: To compare the therapeutic efficacy of paclitaxel plus cisplatin (arm A) versus gemcitabine plus cisplatin (arm B) and arm A versus paclitaxel plus gemcitabine (arm C) in chemotherapy-naive patients with advanced non-small-cell lung cancer (NSCLC).

Materials And Methods: Patients were randomly assigned to receive either paclitaxel 175 mg/m2 (3-hour infusion, day 1) or gemcitabine 1,250 mg/m2 (days 1 and 8) both combined with cisplatin 80 mg/m2 (day 1) or paclitaxel 175 mg/m2 (3-hour infusion, day 1) combined with gemcitabine 1,250 mg/m2 (days 1 and 8). Primary end point was comparison of overall survival for B versus A and C versus A.

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Objectives: To compare toxicity, subjective response rate, time to subjective progression and overall survival in patients with painful bone metastases of hormone-resistant prostate cancer (HRPC) treated with a single intravenous injection of 150MBq (4mCi) Strontium(89) Chloride (S) or palliative local field radiotherapy (R) with the usual radiotherapy regimen used at each centre. The costs of both treatments were also assessed.

Patients And Methods: 101 patients were randomized to S and 102 to R.

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Objective: To assess the economic impact of two polychemotherapy regimens for patients with advanced ovarian cancer from the perspective of the Belgian health insurance and financing system.

Design: An economic evaluation was integrated in an intergroup randomised controlled trial (EORTC 55931) in which patients were randomised to receive the new treatment of paclitaxel and cisplatin or the standard therapy of cyclophosphamide and cisplatin. Data on the use of medical resources were collected prospectively for the 231 European Organization for Research and Treatment of Cancer (EORTC) patients in the trial and costs were valued by using unit prices.

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The problem of estimating expected outcomes for the economic evaluation of treatments for which the outcome of principal interest is (quality adjusted) survival time has so far not received sufficient attention in the literature. The best estimate of expected survival is mean survival time, but with censored survival data, the true survival time for all the subjects is not known, so the mean is not defined.A possible solution to this estimation problem is illustrated by a retrospective cost-effectiveness analysis of the addition of hormonal therapy to standard radiotherapy for patients with locally advanced prostate cancer.

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This article describes the activities of the EORTC Health Economics Unit since its inception in early 1994. The aim of the unit is to carry out economic evaluations of competing treatment options in common cancers in order to provide health care decision makers with useful information about the relative benefits and costs of the therapies they have to choose between. These assessments are mainly carried out by integrating collection of economic data in selected phase III randomized controlled clinical trials conducted by the EORTC collaborative groups.

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Anemia is a common occurrence in cancer patients, as a consequence of the disease process and treatment. Until recently, the only treatment available for anemia was red blood cell transfusions, but this was withheld until the development of severe anemia because of the risks associated with transfusion. Since the mid 1990s, recombinant human erythropoietin (rHuEPO) has been available as an alternative treatment option, which could be used to treat mild-to-moderate anemia and to prevent severe anemia.

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We present a retrospective cost-effectiveness analysis using data from a randomised controlled trial (EORTC 22863) of the addition of early hormonal therapy with a luteinising hormone-releasing hormone (LHRH) analogue to radiotherapy in the treatment of patients with locally advanced prostate cancer. Data on the use of medical resources were extracted from the hospital charts of 90 patients recruited into the trial by one French hospital. Costs are assessed from the viewpoint of the French healthcare financing system and adjusted for censoring.

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Background And Objectives: It is increasingly being realized that there are very considerable variations in individual hospitals' strategies for managing a particular group of patients, even if using similar therapeutic regimens. Such variations make it impossible to generalize estimations of treatment costs from one setting to others. The objective of this study is to examine the extent of variation in the current approaches in Europe to peripheral blood stem cell transplantation (PBSCT) in breast carcinoma.

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With the aim of estimating and comparing the direct hospital costs of managing patients with advanced colorectal cancer in various countries, data on resource utilisation and unit prices were collected. Data on the consumption of medical resources were collected by a retrospective examination of the hospital charts for 20 patients in each of 10 centres in five European countries. To make cost comparisons meaningful, a complete and consistent set of unit prices for all the medical resources used in each of the countries would be required, but this could not be achieved.

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This article first discusses at what level of clinical decision making cost considerations may be most pertinent and important. It is argued that cost assessments will be of most relevance and value at an intermediate level of clinical decision making i.e.

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Background And Purpose: A cost minimization analysis of radiotherapy (RT), laser microsurgery (L) or partial laryngectomy (PL), which are equally effective options for T1N0 glottic SCC was carried out from the perspective of the National Health Care System.

Methods: For each modality, the various events associated with the diagnostic procedure, the primary treatment, the complications, and the salvage treatment were individualized. The charges of each of these events weighted for the frequency of occurrence were then determined using the 'fee for service' policy established by the National Health Insurance of Belgium.

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Background: Because metastatic nonseminomatous germ cell cancer is a rare but treatable cancer, we have explored whether there is an association between the experience of the treating institution with this disease and the long-term clinical outcome of the patients, particularly patients with a poor prognosis.

Methods: We analyzed data on 380 patients treated in one of 49 institutions participating in the European Organization for Research and Treatment of Cancer/ Medical Research Council randomized trial of four cycles of bleomycin-etoposide-cisplatin followed by two cycles of etoposide-cisplatin versus three cycles of bleomycin-vincristine-cisplatin followed by three cycles of etoposide-ifosfamide-cisplatin-bleomycin, both treatment regimens given with or without filgrastim (granulocyte colony-stimulating factor). Institutions were divided into four groups based on the total number of patients entered in the trial.

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In recent years, quality of life (QoL) and economic evaluations have become increasingly important as additional outcome measures in cancer clinical trials. However, both fields of research are relatively new and in need of finding solutions to a substantial number of specific methodological problems. This paper reports on the proceedings of a symposium aimed at summarising and discussing some of the most contentious methodological and statistical issues in QoL and economic evaluations.

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The guiding principles of the predominant methods of economic evaluation, cost-effectiveness analysis and cost-utility analysis, are briefly outlined, stressing the usefulness of the methods as a systematic approach to a structured and consistent analysis of decision problems, e.g. involving choices between treatment alternatives.

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