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A crise financeira de 2008 teve impactos significativos no capitalismo global, sendo um de seus reflexos na estrutura da governança global a constituição e evolução do G-20. Neste contexto, o objetivo do artigo é analisar tais mudanças e, em especial, as posições de quatro dos principais atores nas cúpulas do G-20, a saber: Estados Unidos, China, Alemanha e Brasil.Palavras-chave: crise financeira de 2008; G-20; governança econômica global. AbstractThe 2008 financial crisis catalyzed transformations in the global capitalism that predicted the débâcle of the Anglo-American financial power bloc.

Objective: To present a narrative review of the history of bioethics in Latin America and of scientific output in this interdisciplinary field. Methods: This was a mixed-methods study. Results: A total of 1458 records were retrieved, of which 1167 met the inclusion criteria. According to the Web of Science classification, the predominant topics of study were medical ethics (n= 488), social sciences and medicine (n= 354), and environmental and public health topics (n= 279). Four themes of bioethics output in the Latin American literature have emerged: (a) issues involving the beginning and end of life, (b) ethics in human research, (c) patientprovider relationships, and (d) ethics training for health professionals. Conclusion: Although bioethics is a growing interdisciplinary field in Latin America, its academic impact is still very low, and programmes are highly concentrated in large urban centres in a few countries. Challenges includes the regional and international impact of local scientific output.

Informed consent process is one of the most important issues in research ethics. Obtaining a valid consent from a prospective research participant is always a challenge. We present many different ways to reach ethical, legal and social adequacy related to the informed consent process.