Eisenstein Eric L, Lemons Philip W, Tardiff Barbara E, Schulman Kevin A, Jolly M King, Califf Robert M
Division of Cardiology, Department of Medicine, Duke University Medical Center and Duke Clinical Research Institute, Durham, NC 27715, USA.
Am Heart J. 2005 Mar;149(3):482-8. doi: 10.1016/j.ahj.2004.04.049.
The pharmaceutical industry spends approximately 26.4 billion dollars annually for research and development (4.1 billion dollars in cardiovascular products). We compared pharmaceutical companies' planned resource use and costs in Phase III cardiovascular trials and identified cost-saving strategies.
We developed 2 case scenarios (a 17,000-patient, open-label acute coronary syndromes [ACS] trial and a 14,500-patient, double-blind congestive heart failure [CHF]) trial and surveyed 6 pharmaceutical experts about expected resources (e.g., number of sites, case report form [CRF] pages, and monitoring visits) needed for the trials. Using a validated model, we estimated costs under each expert's assumptions. ACS trial costs averaged 83 million dollars (median, 67 million dollars; range, 57 dollars to 158 million dollars) and 142 million dollars (median, 135 million dollars; range, 102 dollars to 207 million dollars) for the CHF trial. Site-related expenses (site management and payments) were >65% of total costs for both trials. In sensitivity analyses, total costs were reduced >40% by simultaneously reducing CRF pages, monitoring visits, and site-payment amounts but maintaining the numbers of patients and sites.
With a set number of sites and patients, the most efficient way to reduce trial costs and still meet the trial's scientific objectives is to reduce management complexity. Modest changes in management parameters release significant monies to answer more research questions.
制药行业每年在研发上的花费约为264亿美元(心血管产品为41亿美元)。我们比较了制药公司在III期心血管试验中的计划资源使用和成本,并确定了成本节约策略。
我们制定了2个案例场景(一项纳入17000名患者的开放标签急性冠状动脉综合征[ACS]试验和一项纳入14500名患者的双盲充血性心力衰竭[CHF]试验),并就试验所需的预期资源(如试验点数量、病例报告表[CRF]页数和监查访视)对6名制药专家进行了调查。使用经过验证的模型,我们根据每位专家的假设估算了成本。ACS试验的成本平均为8300万美元(中位数为6700万美元;范围为5700万美元至1.58亿美元),CHF试验的成本为1.42亿美元(中位数为1.35亿美元;范围为1.02亿美元至2.07亿美元)。与试验点相关的费用(试验点管理和支付)在两项试验中均占总成本的65%以上。在敏感性分析中,通过同时减少CRF页数、监查访视和试验点支付金额,但保持患者数量和试验点数量不变,总成本降低了40%以上。
在试验点和患者数量固定的情况下,降低试验成本并仍能实现试验科学目标的最有效方法是降低管理复杂性。管理参数的适度变化可释放大量资金以回答更多研究问题。