中国科技论文统计源期刊 中文核心期刊  
美国《化学文摘》《国际药学文摘》
《乌利希期刊指南》
WHO《西太平洋地区医学索引》来源期刊  
日本科学技术振兴机构数据库(JST)
第七届湖北十大名刊提名奖  
医药导报, 2017, 36(2): 226-230
doi: 10.3870/j.issn.1004-0781.2017.02.029
潜在受试者对药物临床试验认知的调查*
Prevalence Survey of Cognition of Potential Participants for Clinical Trials
曹羽明1,, 曹越2, 徐影1, 董洁3, 李玲玲1, 龚婷1, 张元珍1,

摘要: 目的对潜在受试者药物临床试验知晓状况、参与意愿及影响因素等内容进行调查,为药物临床试验工作的开展提供指导。方法自行设计调查问卷,随机选择某三甲医院内科、外科、妇产科门诊患者进行匿名问卷调查,对结果进行统计分析。结果回收有效问卷1 067份,调查对象对药物临床试验总知晓率为31.02%,年龄与文化程度是知晓与否的影响因素。40.86%的调查对象愿意参与药物临床试验,为医学进步贡献力量为主要参与动机,占55.28%,药物临床试验知晓者更倾向于参与药物临床试验(OR:1.361,95%CI:1.042-1.777)。59.14%调查对象拒绝参与药物临床试验,其中68.62%拒绝的主要原因为担心药物的安全性;57.37%调查对象表示如果有专家参与,有医生负责则会改变意愿。41.33%的调查对象愿意接受相关知识培训。结论调查对象药物临床试验知晓率与其参与药物临床试验的意愿密切相关,应契合公众需求开展针对性宣传。
关键词: 临床试验,药物 ; 知晓状况 ; 参与意愿

Abstract:
ObjectiveTo investigate the awareness, willingness, motivation, and influencing factors of outpatients for participating drug clinical trials, and provide references for decision-making of drug clinical trials. MethodsAn anmonymous survey was conducted in the departments of internal medicine, surgery, gynecology, and obstetrics of a randomly selected tertiary referral center, and the results were statistically analyzed. ResultsA total of 1 067 available questionnaires were received. The total awareness rate of clinical trials was 31.02%, which was closely correlated with age and the degree of education. 40.86% of respondents were willing to participate in drug clinical trials. And 55.28% of them chose yes because of the willingness to contribute to the development of medical science. People having cognition on clinical trials had more willingness to participate in drug(OR:1.361,95%CI:1.042-1.777).59.14% of the respondents refused to participate in drug clinical trials, 68.62% of whom refusing to participate mainly worried about the safety of drugs. 57.37% of the respondents comfirmed that they might change their idea if experts were involved. 41.33% were willing to accept training about clinical trials. ConclusionInvestigators' overall cognition on clinical trials is closely correlated with the willingness to participate in drug clinical trials. There should propagandize drug clinical trials to make sure the improvement of drug clinical trial progress.
Key words: Clinical trials,drug ; Awareness ; Participation willingness

调查对象参与药物临床试验的主要动机为“为医学进步贡献自己的力量”,占55.28%,反映公众思想意识总体上是积极向上的。85.32%的调查对象表示参与药物临床试验最为关心的是药物的安全性及副作用,鉴于受试者的健康是药物临床试验的起点也是终点,因此在临床试验开展前,要首先确保药物的安全,并做好相关应急预案,并与受试者进行广泛的沟通,以缓解受试者的疑虑。33.49%调查对象表明除了得到安全有效的治疗还希望得到其他补助,提示药物研发公司可以针对公众需求适当提供交通、伙食等补助来奖励公众的奉献精神。59.14%调查对象拒绝参与药物临床试验,担心药物安全性是拒绝参与的主要原因,但57.37%的调查对象表示如果有专家参与、医生负责则会改变参与意愿,表明公众对医生较为信任,因此在今后的药物临床试验招募过程中,由主要医生负责,对研究目的、研究流程、受益与风险、应急预案及联系方式作详尽的解释,为潜在受试者提供选择的机会。

药物临床试验是新药从实验室走向临床的必经阶段,对新药研发及医疗水平的提高具有重要意义。我国具有患病人数多、疾病谱广的优势,超过60家跨国制药企业在我国开展临床试验,中国的药物临床试验以40%的速度增长[1],参与其中的受试者是保证其顺利进行的重要基础。近年来针对志愿者对药物临床试验的认知问题国外已有相关研究,国内尚缺少系统深入的研究。笔者在本研究通过问卷调查,探讨潜在受试者对药物临床试验及相关知识的知晓状况、参与意愿及其影响因素、了解拒绝参与的原因及改变态度的方法,总结喜欢接受相关知识培训的方式,以契合公众的特征和需求,为今后药物临床试验工作的开展提供指导。

1 研究对象

2015年9—11月某三甲医院内科、外科、妇产科门诊就诊患者。

2 研究内容与方法
2.1 研究内容

通过查阅文献[1-13]、参考药物临床试验质量管理规范[14]、结合专家意见的方式制定调查问卷。调查项目及问卷经过伦理委员会批准。随机抽取某三甲医院妇产科门诊患者50例做预调查,根据患者反馈对问卷进行进一步修改以确保调查问卷的可操作性。调查问卷内容包括:一般人口学信息,药物临床试验知晓状况、参与意愿、影响因素及相关知识需求方式等。

2.2 研究方法

采用问卷调查法。先将调查问卷编号,随机选择候诊患者,解释研究目的,征得同意后匿名调查,被调查者自行完成且无遗漏项目方为有效问卷,调查问卷均当场回收。

2.3 统计学方法

采用SPSS17.0版软件进行统计分析,对调查对象一般人口学信息,药物临床试验知晓状况与参与意愿,参与动机与原因及相关知识接受方式等进行描述性分析。采用卡方检验分别对不同药物临床试验知晓状况与不同参与意愿调查对象一般人口学信息进行组间比较,以P<0.05为差异有统计学意义,在单因素分析基础上分别对调查对象不同药物临床试验知晓状况与不同参与意愿进行多因素分析。

3 结果
3.1 一般人口学信息

发放调查问卷1 158份,回收1 130份,有效1 067份,问卷回收有效率92.14%。男432例(40.49%),女635例(59.51%),年龄以21~40岁为主,占70.76%,49.77%患者文化程度为本科及以上,职业排行前3位分别为其他(35.15%)、卫生教育(17.53%)与专业技术(15.93%),其中其他职业主要包括学生、农民、无业及离退休人员等。71.23%患者为城市户口,71.51%已婚,25.30%收入水平为每月2 001~3 000元。53.80%患者为城市医疗保险,其次为农村合作医疗保险(15.09%),自费医疗12.65%,47.89%调查对象报告医疗支出不到月收入一半,47.89%调查对象就医压力为轻度。

3.2 不同药物临床试验知晓状况与参与意愿调查对象人口学特征比较

3.2.1 不同药物临床试验知晓状况调查对象人口学特征比较 答对6题及以上者为知晓,调查对象总知晓率为31.02%。不同知晓状况调查对象在年龄、文化程度、婚姻、医疗保险条件、医疗支出上差异有统计学意义,具体为年龄越小、文化程度越高者药物临床试验知晓率越高;职业为工人者知晓率显著低于其他五类职业者;未婚者知晓率较已婚者高;医疗保险条件为农合医疗、公费医疗者知晓率低于其他保险类别,知晓率随调查对象医疗支出费用占收入水平的比例升高而下降,大部分收入用于医疗的人群知晓率最低,仅为21.33%。见表1。

表1 不同药物临床试验知晓状况调查对象人口学特征比较
Tab.1 Comparison of demographic characteristic of the respondents for the awareness of drug clinical trial
人口学信息 例数 百分比/
%
知晓 不知晓 χ2 P
% %
年龄 22.750 <0.01
≤20岁 71 6.65 35 49.30 36 50.70
>20~40岁 755 70.76 245 32.45 510 67.55
>40岁 241 22.59 51 21.16 190 78.84
文化程度 18.306 <0.01
高中及以下 301 28.21 74 24.58 227 75.42
大专 235 22.02 60 25.53 175 74.47
本科及以上 531 49.77 197 37.10 334 62.90
职业 11.943 <0.05
行政管理 91 8.53 32 35.16 59 64.84
专业技术 170 15.93 56 32.94 114 67.06
卫生教育 187 17.53 60 32.09 127 67.91
商业服务 140 13.12 45 32.14 95 67.86
工人 104 9.75 17 16.35 87 83.65
其他 375 35.15 121 32.27 254 67.73
婚姻情况 13.110 <0.01
未婚 304 28.49 119 39.14 185 60.86
已婚 763 71.51 212 27.79 551 72.21
医疗保险条件 10.400 <0.05
公费医疗 90 8.43 25 27.78 65 72.22
城市医疗保险 574 53.80 174 30.31 400 69.69
农合医疗 161 15.09 41 25.47 120 74.53
自费医疗 135 12.65 45 33.33 90 66.67
其他 107 10.03 46 42.99 61 57.01
医疗支出 12.721 <0.01
基本无 401 37.58 149 37.16 252 62.84
<50%月收入 591 55.39 166 28.09 425 71.91
≥50%月收入 75 7.03 16 21.33 59 78.67

表1 不同药物临床试验知晓状况调查对象人口学特征比较

Tab.1 Comparison of demographic characteristic of the respondents for the awareness of drug clinical trial

3.2.2 不同药物临床试验参与意愿调查对象人口学特征比较 不同参与意愿调查对象在年龄、文化程度、职业、 婚姻、收入水平、医疗支出、就医压力及知晓状况差异有统计学意义,年龄为>20~40岁、文化程度为本科及以上的调查对象更倾向于报告同意参与药物临床试验;职业为卫生教育、专业技术、行政管理报告同意参与者所占比例均超过40%;相较已婚者,未婚者更倾向于同意参与药物临床试验;月收入低于1 000元报告同意参与者所占比例(51.16%)显著高于其他收入水平者,调查对象参与意愿随医疗支出升高、就医压力增大而下降,药物临床试验相关知识知晓者报告同意参与的比例(47.13%)显著高于不知晓者(38.04%)。见表2。

表2 不同药物临床试验参与意愿调查对象人口学特征比较
Tab.2 Comparison of demographic characteristic of the respondents for the willingness of drug clinical trial
人口学信息 例数 百分比/
%
同意参与 拒绝参与 χ2 P
% %
年龄 7.134 <0.05
≤20岁 71 6.65 25 35.21 46 64.79
>20~40岁 755 70.76 328 43.44 427 56.56
>40岁 241 22.59 83 34.44 158 65.56
文化程度 14.023 <0.01
高中及以下 301 28.21 105 34.88 196 65.12
大专 235 22.02 84 35.74 151 64.26
本科及以上 531 49.77 247 46.52 284 53.48
职业 11.547 <0.05
行政管理 91 8.53 40 43.96 51 56.04
专业技术 170 15.93 76 44.71 94 55.29
卫生教育 187 17.53 86 45.99 101 54.01
商业服务 140 13.12 44 31.43 96 68.57
工人 104 9.75 34 32.69 70 67.31
其他 375 35.15 156 41.60 219 58.40
婚姻情况 8.219 <0.01
未婚 304 28.49 145 47.70 159 52.30
已婚 763 71.51 291 38.14 472 61.86
每月收入水平 11.266 <0.05
≤1 000元 172 16.12 88 51.16 84 48.84
~2 000元 191 17.90 73 38.22 118 61.78
~3 000元 270 25.30 97 35.93 173 64.07
~4 000元 166 15.56 65 39.16 101 60.84
~5 000元 116 10.87 48 41.38 68 58.62
>5 000元 152 14.25 65 42.76 87 57.24
每月医疗支出 7.312 <0.05
基本无 401 37.58 183 45.64 218 54.36
<50%月收入 591 55.39 229 38.75 362 61.25
≥50%月收入 75 7.03 24 32.00 51 68.00
就医压力
317 29.71 151 47.63 166 52.37
轻度 511 47.89 195 38.16 316 61.84
中度 197 18.46 76 38.58 121 61.42
重度 42 3.94 14 33.33 28 66.67
知晓情况 7.801 <0.01
不知晓 736 68.98 280 38.04 456 61.96
知晓 331 31.02 156 47.13 175 52.87

表2 不同药物临床试验参与意愿调查对象人口学特征比较

Tab.2 Comparison of demographic characteristic of the respondents for the willingness of drug clinical trial

3.2.3 调查对象药物临床试验知晓状况与参与意愿影响因素分析 见表3。结果显示,影响调查对象药物临床试验知晓状况的因素分别为年龄与文化程度,年龄>20~40岁、>40岁者药物临床试验知晓可能性分别为年龄≤20岁者的0.504和0.352倍;文化程度为本科及以上者药物临床试验知晓可能性为高中及以下者的1.510倍。影响调查对象药物临床试验参与意愿的因素为文化程度、就医压力程度以及药物临床试验知晓状况,文化程度越高者参与意愿越强,本科及以上学历者者药物临床试验参与意愿为高中及以下者的1.603倍,就医压力为轻度者参与意愿为无就医压力者的0.672倍,但就医压力为中度与重度者与无压力者相比差异无统计学意义。此外,相比不知晓者,药物临床试验知晓者更倾向于报告同意参与药物临床试验。

表3 调查对象药物临床试验知晓状况与参与意愿影响因素分析
Tab.3 Analysis of the influencing factor on the awareness and willingness of the respondents to participating drug clinical trial
变量 知晓状况 参与意愿
OR 95%CI OR 95%CI
年龄(以“≤20岁”为参照)
>20~40 0.504 0.308~0.824*1 2.370 1.331~4.218
>40 0.352 0.196~0.634*1 2.243 1.148~4.384
文化程度(以“高中及以下”为参照)
大专 0.998 0.669~1.489 1.066 0.744~1.529
本科及以上 1.510 1.061~2.148*1 1.603 1.191~2.158*1
就医压力(以“无”为参照)
轻度 0.672 0.504~0.895*1
中度 0.714 0.496~1.029
重度 0.517 0.260~1.026
知晓状况(以“不知晓”为参照)
知晓 1.361 1.042~1.777*2

*1P<0.01;*2P<0.05

表3 调查对象药物临床试验知晓状况与参与意愿影响因素分析

Tab.3 Analysis of the influencing factor on the awareness and willingness of the respondents to participating drug clinical trial

3.3 调查对象参与药物临床试验的动机与原因分析

40.86%调查对象表示愿意参与药物临床试验,参与动机以“为医学进步贡献力量”为主,占55.28%,其次为“更早接受新的治疗方法”(22.02%)。参与其中主要关心“药物的安全性及副作用”以及“整个过程所花费的时间及精力”,分别占85.32%,7.34%。预期收益“除了安全有效的治疗,还希望得到其他补助”,占33.49%。59.14%调查对象拒绝参与药物临床试验,68.62%拒绝参与的主要原因是“担心药物的安全性”,57.37%调查对象表示“如果有专家参与、医生负责会改变参与意愿”。

3.4 调查对象接受相关知识培训状况

41.33%调查对象表示愿意接受药物临床试验相关知识培训,其中81.72%倾向于选择“医生负责相关知识宣传”的培训方式,推荐途径是通过媒体、网络或微信微博公众号等方式进行相关知识宣传,占48.73%。

4 讨论

在医学发展日新月异的当代,制药工业也迅速发展。新药上市主要依赖以人为受试者的临床试验,受试者作为志愿者为医学进步及医疗水平的提高做出了巨大的贡献。医学研究在给全人类带来利益的同时,也存在着威胁个人利益的可能,因此,招募受试者是药物临床试验中最具挑战性的工作。目前从事药物临床试验的一线人员的共同感受是公众参与度不高,各个类型的临床试验受试者招募困难,严重影响药物临床试验的进展[15-17],远期则阻碍医学的进步及医疗水平的提高。受试者招募困难及解决办法可由本次调查结果进行解释。

本研究结果显示,调查对象对药物临床试验的知晓率仅为31.02%,年龄越小、文化程度越高者对药物临床试验知晓的可能性越大。40.86%调查对象愿意参与药物临床试验,表明潜在受试者具备一定程度的药物临床试验参与意愿。药物临床试验知晓状况是调查对象参与意愿的影响因素之一,知晓者更倾向于参与药物临床试验,指出要解决药物临床试验招募困难的难题,就应该大力提高公众对药物临床试验的认知。调查发现医生的推荐会使公众更愿意接受药物临床试验相关知识培训,与CHU等[18]所做Meta分析的研究结果相似。此外,48.73%调查对象倾向于通过媒体、网络或微信微博公众号等方式接受相关知识的宣传,提示主管部门可以契合公众需求邀请有资质的医生通过媒体、网络等平台对药物临床试验相关知识进行培训,以改善公众药物临床试验的认知状况,从而提高公众药物临床试验的参与意愿。

文化程度与就医压力亦是药物临床试验参与意愿的影响因素。调查对象文化程度越高,参与意愿越强,可能原因为文化程度越高者,药物临床试验知晓率越高,因此参与意愿越强。就医压力为轻度者参与药物临床试验的意愿为无就医压力者的0.672倍,而中度及重度就医压力组与无压力组的参与意愿无明显差异。由此可推测,就医压力在内心可控水平时,参与者由于自身压力而对治疗方法的选择更加谨慎。当就医压力超过可控的范围,参与者因为治愈的强烈愿望而更愿意去尝试更新的治疗方法。因此,面对不同就医压力的人群要采取不同的沟通方法,轻度就医压力者应采取心理疏导等特殊方法减轻其压力,并使其自愿参与,而对于就医压力大的人群,在对药物临床试验做知情告知的时候一定要重点强调其利弊,让其在充分知晓后慎重的做出选择。

综上所述,今后应契合公众需求开展药物临床试验相关知识的宣传,提高公众参与药物临床试验的积极性,保障药物临床试验的顺利开展,以推动医疗水平的提高。

The authors have declared that no competing interests exist.

参考文献

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Background and aims: This study was conducted to investigate the views of patients and healthy volunteers on participation in clinical trials.<br/>Methods: A total of 291 clinical trial participants, including 140 patients and 151 healthy volunteers, were recruited from four university hospital-affiliated clinical trial centers among 15 Korean regional clinical trial centers in South Korea where the levels of information and care were sufficient to meet the global standard. Participants were recruited from phase I trials or bioequivalence tests, a short term hospitalization under close monitoring in the clinical trial centers, or from phase II, III or IV trials occurring in both wards and outpatient clinics. A structured questionnaire survey was performed to identify their perspectives on clinical trials.<br/>Results: Participants who were patients were significantly influenced by medical personnels regarding the decision making processes for participation in clinical trials when compared to healthy volunteers. However, no difference was found between the two groups in the level of willingness to participate in and satisfaction with clinical trials. More than 50% of patient subjects misunderstood and thought that their physicians could persuade them to participate in clinical trials or that all the participants would receive a new drug or treatment during trials.<br/>Conclusions: Clinical researchers who are involved ill clinical trials should make an extra effort to confirm the level of understanding of their patients regarding the clinical trial and to guarantee that each patient has sufficient time to make an informed decision before participating in a clinical trial. (C) 2012 Elsevier Inc. All rights reserved.
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关键词(key words)
临床试验,药物
知晓状况
参与意愿

Clinical trials,drug
Awareness
Participation willingness

作者
曹羽明
曹越
徐影
董洁
李玲玲
龚婷
张元珍

CAO Yuming
CAO Yue
XU Ying
DONG Jie
LI Lingling
GONG Ting
ZHANG Yuanzhen