Broad consent for future use, wherein researchers ask participants for permission to share participant-level data and samples collected within the study for purposes loosely related to the study objectives, is central to enabling ethical data and sample reuse. Ensuring that participants understand broad consent-related language is key to maintaining trust in the study and public health research. We conducted 52 cognitive interviews to explore cohort research participants’ and their parents’ understanding of the broad consent-related language in the University of California at Berkeley template informed consent (IC) form for biomedical research. Participants and their parents were recruited from long-standing infectious disease cohort studies in Nicaragua and Colombia and interviewed during the COVID-19 pandemic. We conducted semi-structured interviews to assess participants’ agreement with the key concepts in the IC after clarifying them through the cognitive interview. Participants did not understand abstract concepts, including collecting and reusing genetic data. Participants wanted to learn about incidental findings, future users and uses. Trust in the research team and the belief that sharing could lead to new vaccines or treatments were critical to participant support for data and sample sharing. Participants highlighted the importance of data and sample sharing for COVID-19 response and equitable access to vaccines and treatments developed through sharing. Our findings on participants’ understanding of broad consent and preferences for data and sample sharing can help inform researchers and ethics review committees working to enable ethical and equitable data and sample sharing.
Informed consent (IC) is key to generating and maintaining research participants' trust and upholding the ethical principle of autonomy. Broad consent for future use, wherein researchers ask participants for permission to share participant-level data and samples collected within the study for purposes loosely related to the study objectives, is central to enabling ethical data and sample reuse. Ensuring that participants understand broad consent-related language is key in maintaining trust in the study itself and in public health research generally. Therefore, we conducted 52 cognitive interviews with the help of semi-structured interview guides to explore cohort research participants' understanding of the broad consent-related language in the University of California at Berkeley template IC form for biomedical research with participants from long-standing infectious disease cohort studies in Nicaragua and Colombia. After the first round of interviews, we used participants' explanations to modify the broad consent-related language in the IC template and consequently re-evaluated participants' understanding of and agreement with the new consent form. Participants generally supported data and sample sharing but expressed concerns about the intentions of for-profit groups as well as misuse of data or samples. Moreover, they felt uncomfortable not receiving information about incidental findings and results from future studies. Cohort participants did not understand abstract concepts including the collection and reuse of genetic data in either version of the IC. Trust in the research team and the belief that data and sample sharing could lead to new scientific insights and improved treatments were key to participant support for data and sample sharing. The study findings and research participants' language to describe broad consent provide essential insights for researchers who want to include broad consent and ethics review committees (ERCs) working to ensure research is conducted in keeping with the ethical principle of respect for persons.
Broad consent for future use facilitates the reuse of participant-level data and samples, which can conserve limited resources by confirming research findings and facilitate the development and evaluation of public health and clinical advances. Ethics review committees (ERCs) have to balance different stakeholder concerns when evaluating the risks and benefits associated with broad consent for future use. In this qualitative study, we evaluated ERC members’ concerns about different aspects of broad consent, including appropriate governance, community engagement, evaluation of risks and benefits, and communication of broad consent for future use in Colombia, which does not currently have national guidance related to broad consent for future use. We conducted semi-structured, in-depth interviews with 24 ERC members from nine Colombian ERCs. We used thematic analysis to explore ERC members’ concerns related to broad consent for future use. Most ERC members expressed concern about the idea of not specifying the purposes for which data would be used and by whom and suggested that pre-specifying governance procedures and structure would address some of their concerns about broad consent. ERC members emphasized the need for engaging communities and ensuring research participants understood broad consent for future use-related language in informed consent forms. Researchers and research institutions are under increasing pressure to share public health-related data. ERC members play a central role in balancing the priorities of different stakeholders and maintaining their community’s trust in public health research. Further work is needed on guidelines for developing language around broad consent, evaluating community preferences related to data sharing, and developing standards for describing governance for data or sample sharing in the research protocol to address ERC members’ concerns around broad consent for future use.
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