Acta oncologica
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A systematic review of chemotherapy trials in several tumour types was performed by The Swedish Council of Technology Assessment in Health Care (SBU). The procedures for the evaluation of the scientific literature are described separately (Acta Oncol 2001; 40: 155-65). This synthesis of the literature on chemotherapy for B-cell chronic lymphocytic leukaemia (B-CLL) is based on data from 20 randomised controlled trials and one meta-analysis. ⋯ Thus, transplantation remains experimental; more patients and a longer follow-up are needed to assess if cure can be achieved. In the future an individual risk-adapted therapy will be required. The clinical heterogeneity of the disease has pointed to the necessity of new predictors for prognosis evaluated in prospective trials.
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A systematic review of chemotherapy trials in several tumour types was performed by The Swedish Council of Technology Assessment in Health Care (SBU). The procedures for the evaluation of the scientific literature are described separately (Acta Oncol 2001; 40: 155-65). This synthesis of the literature on chemotherapy for Hodgkin's disease (HD) is based on 113 scientific reports including four meta-analyses, 44 randomised studies, 18 prospective studies and 40 retrospective studies. ⋯ However, this use is based on data from uncontrolled or small controlled studies, not being fully convincing with respect to effect on survival. Persistent side-effects of treatment are common among long-term survivors, although most patients have an apparently normal life. The relative contributions of chemotherapy and radiotherapy to the persistent effects are not well documented.
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A systematic review of chemotherapy trials in several tumour types was performed by The Swedish Council of Technology Assessment in Health Care (SBU). The procedures for the evaluation of the scientific literature are described separately (Acta Oncol 2001; 40: 155-65). This overview of the literature on chemotherapy for non-small cell lung cancer (NSCLC) is based on 53 scientific publications including six meta-analyses based on 65 prospective randomised trials comprising 15,607 patients and an additional 32 prospective randomised studies including 8,902 patients. ⋯ The superiority of induction chemotherapy plus surgery compared with combined chemotherapy and radical irradiation has not been proven in a randomised trial but currently such studies are under way. In the adjuvant setting, published data suggest that cisplatin-based chemotherapy after radical surgery may increase five-year survival from around 50% by a further 5% but the confidence interval for this estimate is too wide for firm conclusions. Large-scale prospective randomised trials are under way to resolve this important issue and adjuvant chemotherapy is, thus, not recommended for routine treatment.
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Randomized Controlled Trial Comparative Study Clinical Trial
Morphine or oxycodone in cancer pain?
Oxycodone is an opioid analgesic that closely resembles morphine. Oxymorphone, the active metabolite of oxycodone, is formed in a reaction catalyzed by CYP2D6, which is under polymorphic genetic control. The role of oxymorphone in the analgesic effect of oxycodone is not yet clear. ⋯ Liver dysfunction affected selectively either oxycodone or morphine metabolism. Three patients with markedly aberrant plasma opioid concentrations are presented. Significant individual variation in morphine and oxycodone metabolism may account for abnormal responses during treatment of chronic cancer pain.