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Evaluation of the ability of clinical research participants to comprehend informed consent form.

Abstract：

BACKGROUND:The comprehension of informed consent is an integral part of clinical trials. Though India is rapidly becoming a hub of clinical trials very few studies have dealt with the issue of comprehension of informed consent by the patients participating in these trials. METHODS:Patients who were invited to participate in a phase 3 multicentric trial of a novel lipid lowering agent were evaluated for comprehension score. The participants were explained about the structured consent form which included the question on background details for the study, design of the study, rights of the patients and miscellaneous aspects pertinent to the clinical trial. The questionnaire comprised of 24 items and each correct answer was assigned a score of 1. Total comprehension score (CS) was obtained by summing all the scores. RESULTS:Participants were from diverse socio economic and educational backgrounds. The mean +/- SD CS achieved by the participants was 13.4 +/- 2.9; median 14(6 to 20). The highest correct responses were obtained for questions on background details (38%). For most of the categories the mean CS was more than 50%. Aspects related to design were mostly difficult to comprehend. No significant difference in the CS was noted between participants from different educational and socioeconomic groups. 8 patients refused to give consent, fear of adverse drug reactions (n = 3) and inability to follow up (n = 5) were the reasons cited by the patients. CONCLUSION:In conclusion, CS of patients in trials conducted in developing countries can be reasonably good if the investigators explain the consent form in simple language to the participants and CS is not related to the educational status of the participants. Moreover, though a larger majority of patients agree to participate after knowing study details, some patients exercise their right to refuse.

journal_name

Contemp Clin Trials

journal_title

Contemporary clinical trials

authors

Bhansali S,Shafiq N,Malhotra S,Pandhi P,Singh I,Venkateshan SP,Siddhu S,Sharma YP,Talwar KK

doi

10.1016/j.cct.2009.03.005

subject

Has Abstract

pub_date

2009-09-01 00:00:00

pages

427-30

issue

5

eissn

1551-7144

issn

1559-2030

pii

S1551-7144(09)00045-7

journal_volume

30

pub_type

杂志文章,多中心研究

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