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Arch Dis Child Fetal Neonatal Ed. 2018 Sep;103(5):F403-F407. doi: 10.1136/archdischild-2017-312615. Epub 2017 Aug 17.

Improved pregnant women's understanding of research information by an enhanced informed consent form: a randomised controlled study nested in neonatal research.

Author information

1
Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
2
Department of Clinical Product Development, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan.
3
Department of Pediatrics, Phramongkutklao Hospital and Phramongkutklao College of Medicine, Bangkok, Thailand.
4
Department of Royal Thai Army Medical, Phramongkutklao College of Medicine, Bangkok, Thailand.
5
Bumrungrad International Hospital, Bangkok, Thailand.

Abstract

OBJECTIVE:

This study aimed to test the applicability and effectiveness of the enhanced informed consent form (ICF) methodology, proposed by the Strategic Initiative for Developing Capacity in Ethical Review (SIDCER), in neonatal research requiring maternal consent.

DESIGN:

A single-centre open-label randomised controlled study.

SETTING:

Antenatal care clinics at Phramongkutklao Hospital, Thailand.

PATIENTS:

234 pregnant women who were at risk of preterm labour were enrolled; 232 individuals completed the study.

INTERVENTIONS:

The participants were randomly assigned to read either the SIDCER ICF or the conventional ICF.

MAIN OUTCOME MEASURES:

The participants' understanding of essential trial-related information was assessed using 25 closed-ended questions. The primary endpoint was the proportion of the participants who obtained the satisfactory level of understanding at 80% (score of ≥20/25).

RESULTS:

72.5% (87/120) of the participants in the SIDCER ICF group and 59.8% (67/112) of the conventional ICF group achieved the primary endpoint (relative risk (RR)=1.212, 95% CI 1.005 to 1.462, p=0.041). The superiority of the SIDCER ICF over the conventional ICF was significant, particularly among the participants whose education was at the high school level or below (63.5% vs 44.1%, RR=1.441, 95% CI 1.022 to 2.030, p=0.031).

CONCLUSIONS:

The SIDCER ICF methodology is applicable to neonatal research requiring maternal consent. The SIDCER ICF significantly improved the understanding of pregnant women, particularly among those with lower levels of education. The present study confirms the value of the SIDCER ICF methodology in research involving individuals with a limited academic background.

KEYWORDS:

consent forms; neonatal research; newborn; parental consent; pregnant women

[Indexed for MEDLINE]

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