Trenkwalder P
Department of Medicine, University of Munich, Starnberg Hospital, Germany.
Blood Press Suppl. 2000;1:40-3.
Candesartan cilexetil is highly effective at lowering blood pressure, whilst maintaining placebo-like tolerability, in a wide range of patient groups. Although the benefit of lowering blood pressure in elderly patients with moderate hypertension has been demonstrated in several large-scale clinical trials, elderly patients with mild hypertension have rarely been studied. The high incidence of cardiovascular and cerebrovascular mortality and morbidity, including dementia, in the elderly means that control of blood pressure is particularly important in this patient group. A major new international clinical trial - SCOPE (Study on COgnition and Prognosis in the Elderly) - has therefore been initiated. This is a prospective, randomized, double-blind, parallel comparison of the effects of candesartan cilexetil, 8 or 16 mg once daily, and placebo in about 5000 patients who will be followed for a mean of 2.5 years. SCOPE is the first study designed to assess the effect of antihypertensive therapy in elderly patients (70-89 years of age) with mild hypertension (sitting systolic blood pressure of 160-179 mmHg and/or sitting diastolic blood pressure of 90-99 mmHg). The primary objective of the study is to determine the effect of candesartan cilexetil on major cardiovascular events (cardiovascular death, non-fatal stroke and myocardial infarction, and silent myocardial infarction), while an important secondary objective is to determine the effect of such treatment on the prevention of cognitive impairment. SCOPE should provide definitive evidence of the cardiovascular and cerebrovascular benefits of treating mildly hypertensive elderly patients with angiotensin II type 1 receptor blockers, which not only reduce blood pressure, but may also provide significant protection from the negative effects of angiotensin II on target organs.
坎地沙坦酯在各类患者群体中降压效果显著,同时耐受性与安慰剂相似。尽管多项大规模临床试验已证实,坎地沙坦酯对老年中度高血压患者有降压益处,但针对老年轻度高血压患者的研究却很少。老年人心血管和脑血管疾病(包括痴呆)的高死亡率和高发病率表明,控制血压对该患者群体尤为重要。因此,一项重要的新国际临床试验——SCOPE(老年认知与预后研究)已经启动。这是一项前瞻性、随机、双盲、平行对照试验,比较每日一次服用8毫克或16毫克坎地沙坦酯与安慰剂对约5000名患者的影响,预计平均随访2.5年。SCOPE是首个旨在评估抗高血压治疗对老年(70 - 89岁)轻度高血压患者(坐位收缩压160 - 179 mmHg和/或坐位舒张压90 - 99 mmHg)疗效的研究。该研究的主要目的是确定坎地沙坦酯对主要心血管事件(心血管死亡、非致死性中风和心肌梗死以及无症状心肌梗死)的影响,而一个重要的次要目的是确定这种治疗对预防认知障碍的影响。SCOPE应能提供确凿证据,证明用1型血管紧张素II受体阻滞剂治疗轻度高血压老年患者对心血管和脑血管有益,这类药物不仅能降低血压,还可能对血管紧张素II对靶器官的负面影响提供显著保护。