Comprehension during informed consent in a less-developed country

Area of Science:

• Global Health
• Clinical Research Ethics
• Informed Consent

Background:

• Practical guidelines for ensuring participant comprehension of consent forms in less-developed countries are limited.
• Informed consent is a critical ethical component of clinical research, particularly in vulnerable populations.

Purpose of the Study:

• To evaluate methods for improving research participant understanding of consent forms in a resource-limited setting.
• To assess the effectiveness of different information delivery methods on comprehension rates.

Main Methods:

• A study on HIV-1 transmission in Haiti required participants to pass an oral examination on consent form contents (80% passing score).
• Initial group (n=15) received information in one physician meeting; subsequent group (n=30) received information over three counselor meetings.

Main Results:

• Only 20% (3/15) of participants passed the comprehension test after a single physician meeting.
• A significantly higher pass rate of 80% (24/30) was achieved when information was delivered by a counselor over three meetings.

Conclusions:

• The method of information delivery significantly impacts research participant comprehension in less-developed countries.
• Implementing formal comprehension assessments and utilizing multi-session counseling should be standard practice for informed consent in these settings.