Ethical Challenges and Strategies in Conducting Research with Vulnerable Populations in Low- and Middle-Income Countries

There is evidence that vulnerable populations (children, prisoners, pregnant women, elderly individuals, and individuals with mental or physical disabilities) have been exploited in the past in the name of medical research. These exploitations were carried out by individuals, institutions and even governments. It highlights the need for mechanisms to protect their rights and well-being. This mini review highlights the landmark events of exploiting vulnerable populations in medical research and outlines measures for their protection. These include the Tuskegee Syphilis Study, the Guatemala Syphilis Experiment, and the Holmesburg Prison Experiment. These well documented examples from the past suggest that there is a need for establishing and following a framework ethical guideline, obtaining informed consent, and reducing risks to the research participants. Protection of the vulnerable populations require that researchers must follow ethical standards, such as those recommended in the 1979, Belmont Report. These principles include respect for persons, beneficence, and Justice. An appropriate mechanism for a formal and truly Informed consent from the research participants and appropriate approval and oversight of Institutional Review Boards/ Ethical Review Committee (IRBs/ERC) are necessary to ensure that the research is being conducted in an ethical manner. Individual researchers and medical institutions should also consider the potential exploitation of the vulnerable populations during the research process. They must consider additional safeguards while conducting research into populations that are considered vulnerable. These steps are an ethical and moral obligation for the researchers to avoid exploitation of vulnerable populations in the name of scientific research and to safeguard their interest. These steps can ensure that the medical research is being conducted in an ethical manner and is likely free from exploitation of the research participants. As a result, the outcomes of such research can be trusted to make correct medical practices and policies.