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1.
Med Anthropol ; 43(2): 130-145, 2024 02 17.
Artigo em Inglês | MEDLINE | ID: mdl-38447082

RESUMO

Do different medico-scientific understandings of autoimmune inflammation, whose carriers disobediently promote the therapeutic use of immunostimulants, have the potential to destabilize the hegemony of the standard palliative treatment based on immunosuppression? Here I explore whether and how medical paradigms in Brazil develop and expand around immunopathologies through practices of exclusion and inclusion in the context of global circulation of knowledges, therapies, and regulatory frameworks. While focusing on concurrent immunotherapeutic models within biomedicine, I discuss aspects of legal-epistemological frictions that animate controversies in which distinct ways of co-producing medical evidence affect and are affected by the biomedical establishment.


Assuntos
Conhecimento , Humanos , Brasil , Antropologia Médica
2.
Front Bioeng Biotechnol ; 12: 1378538, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38468691

RESUMO

Argentina has an extensive experience in the biosafety assessment of transgenic crops. The regulatory framework celebrated 30 years of existence in 2021 and has pioneered the establishment of the biosafety systems in Latin America. During this period, Argentina's regulatory framework evolved to keep up with the advancements in plant and animal biotechnology and in risk assessment criteria, as new knowledge and experience was being gained. However, despite the country's agricultural tradition and experience in the adoption of innovations by the productive sector, dedicated, formal academic offerings training is lacking and this is also true for most countries in the world. Responding to this perceived need and going beyond biotechnology to include other regulated inputs used along the food production chain (chemicals, biologics, food additives, etc.), we developed a program to introduce graduates from diverse disciplines to the principles and practice of Risk Analysis (Assessment, Management and Communication) with focus on the Agrifood sector. In 2020, the School for Graduate Students of the School of Agriculture-University of Buenos Aires, approved two Certificates on Risk Analysis for the Agrifood Sector: Conceptual Bases of Risk Analysis and Methodological Tools. The first edition of the certificates was completed in December 2022 and the second one is presently ongoing. The fundaments, rationale, structure and objectives of these certificates are presented.

3.
Front Med (Lausanne) ; 10: 1266246, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38034550

RESUMO

Introduction: Medical research and development (R&D) is an undoubtedly relevant activity to drive innovation, improve healthcare policies and bring patients treatment opportunities for common and rare diseases. Equity and inclusion are matters of concern in research. High-income countries' research teams are more likely to have more impactful publications, grant funding, and clinical trials than middle or low-income countries. Low budget allocations to R&D and existing gaps in regulatory frameworks are some obstacles to growth. This unvirtuous cycle results in scarce advances in common endemic diseases and the underrepresentation of specific populations in innovative therapeutics research. Materials and methods: We conducted a policy review and qualitative research to determine the principal characteristics of basic and clinical medical research in Paraguay, as well as barriers and facilitators to improve innovative R&D strategies in this country. To this aim, we examined published articles from 2005 to 2020, the organizational structure of national research agencies, the current regulation framework, and the composition and experience of local research groups and ethical review boards (ERBs). In addition, we performed semi-structured interviews to evaluate perceptions and expectations from different stakeholders, including investigators, ERBs members, sponsor associates, and Regulatory Agency executive staff. Results: In 2018, Paraguay ranked 10th out of 12 South American countries in total number of publications and cumulative h-index score. Total Gross Domestic Product (GDP) allocation for R&D was 0.15%, ranking eighth out of 12 in the region. In 2021, the number of trials registered on ClinicalTrials.gov was 52, with only 16 ongoing recruiting studies at that time.Some of the main barriers identified included low incentives for academic careers and lack of experience in pharmaceutical research. An emergent necessity to develop a straight- forward normative framework was detected. Main facilitators included the development of two research initiative programs (PRONII and PROCIENCIA) from CONACYT (National Council of Science and Technology) which were associated with higher budget allocation and total number of publications in the 2011 to 2017 period. A total of six stakeholders participated in the semi-structured surveys. Interviewees highlighted the necessity of a centralized policy to promote R&D, which incorporates investigators and ERBs training, the development of standardized procedures, and the dissemination of research activities. Sponsor associates underlined that real-world evidence may represent a distinctive opportunity to enhance local research. Conclusion: Coordinated efforts are needed to break the unvirtuous cycle. There is an increasing interest in enhancing health research in Paraguay, materialized in the creation of specific programs that encourage the collaborative work of healthcare providers, basic scientists, and private investors. Nonetheless, a comprehensive approach is needed also to strengthen regulatory agencies and attract external sponsorship. While modern and currently popular topics, including artificial intelligence, real-world data, and translational research may represent key opportunities to seek investment, special policies should be adopted to prioritize research on the determinants of health in the Paraguayan population.

4.
Artigo em Inglês | MEDLINE | ID: mdl-36497761

RESUMO

Increased life expectancy and high costs of medicines and medical care have led to the use of herbal products. However, these items may contain toxic compounds that have an impact on public health. We will focus on the regulatory aspects and differences of these products marketed in the North American region (USA-Mexico-Canada) from government websites and selected literature. Mexico has an ancestral tradition of using plants for the treatment, improvement, and maintenance of human health as compared with Canada and the USA Currently, the use of herbal products in this region has a regulatory framework. The legal framework in these three countries is related to their history, idiosyncrasies, socio-economic and cultural aspects. Therefore, there are different public policies for herbal products consumed in the region. Mexico has a more specific classification of these products. In Canada, all herbal products are classified as natural health products and the safety and efficacy must be scientifically proven. In the USA, the development of botanical drugs is very recent. In particular, both herbal products classified as food supplements in Mexico and dietary supplements in the USA may have risks in both safety and efficacy.


Assuntos
Suplementos Nutricionais , Plantas , Estados Unidos , Humanos , Canadá , México
5.
Ther Innov Regul Sci ; 55(5): 1014-1018, 2021 09.
Artigo em Inglês | MEDLINE | ID: mdl-33939173

RESUMO

The authors aim to familiarize the reader with the Center for the State Control of Medicines, Medical Equipment and Devices (CECMED) and the agency's perspective regarding the development and implementation of regulatory sciences as an interactive tool to promote cooperation and scientific thinking. The authors share their viewpoint on the preparedness of Latin American regulatory agencies by assessing innovation (i.e. novel biopharmaceuticals, vaccines, etc.), analyzing the challenges which are impacting healthcare and patients, and posing suggestions for a collaborative regional and international approach. To conclude, the authors' share recommendations for the implementation of regional initiatives aimed at supporting regulatory science, with the goal to promote the exchange of scientific cooperation as a vital element to maximize regulatory skills and competencies.


Assuntos
COVID-19 , Vacinas , Órgãos Governamentais , Humanos , SARS-CoV-2
6.
Stem Cell Res Ther ; 12(1): 189, 2021 03 18.
Artigo em Inglês | MEDLINE | ID: mdl-33736697

RESUMO

INTRODUCTION: The potential of regenerative medicine to improve human health has led to the rapid expansion of stem cell clinics throughout the world with varying levels of regulation and oversight. This has led to a market ripe for stem cell tourism, with Tijuana, Mexico, as a major destination. In this study, we characterize the online marketing, intervention details, pricing of services, and assess potential safety risks through web surveillance of regenerative medicine clinics marketing services in Tijuana. METHODS: We conducted structured online search queries from March to April 2019 using 296 search terms in English and Spanish on two search engines (Google and Bing) to identify websites engaged in direct-to-consumer advertising of regenerative medicine services. We performed content analysis to characterize three categories of interest: online presence, tokens of scientific legitimacy, and intervention details. RESULTS: Our structured online searches resulted in 110 unique websites located in Tijuana corresponding to 76 confirmed locations. These clinics' online presence consisted of direct-to-consumer advertising mainly through a dedicated website (94.5%) or Facebook page (65.5%). The vast majority of these websites (99.1%) did not mention any affiliation to an academic institutions or other overt tokens of scientific legitimacy. Most clinics claimed autologous tissue was the source of treatments (67.3%) and generally did not specify route of administration. Additionally, of the Tijuana clinics identified, 13 claimed licensing, though only 1 matched with available licensing information. CONCLUSIONS: Regenerative medicine clinics in Tijuana have a significant online presence using direct-to-consumer advertising to attract stem-cell tourism clientele in a bustling border region between Mexico and the USA. This study adds to existing literature evidencing the unregulated nature of online stem cell offerings and provides further evidence of the need for regulatory harmonization, particularly to address stem cell services being offered online across borders.


Assuntos
Marketing , Medicina Regenerativa , Humanos , México , Células-Tronco
7.
Ther Innov Regul Sci ; 55(1): 163-169, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32720296

RESUMO

Regulatory agencies across the Latin American region have strengthened their activities through the development of new regulatory science-based tools, standards and other approaches to evaluate and assess the safety, efficacy, quality and performance of therapeutics and devices. These processes have been implemented to promote the development and authorization of innovative new drugs and technologies, which pose a challenge to even well-established regulatory frameworks. Furthermore, in today's environment, the regulatory framework to protect public health can create barriers to marketing entry of novel drugs and medical devices. This article describes the pioneering approach that the Cuban regulatory agency (CECMED) has developed with the aim of building a comprehensive regulatory framework geared to accelerated innovation and enable successful transition of novel products from research and development to clinical practice. The Office of Innovation recently established at CECMED is the first flagship initiative of this type in Latin America and the Caribbean region. Its goal is to serve a leading role as a driving force for national and regional biopharmaceutical innovation. Herein, we discuss the conceptualization and management of the Office from the Latin American regional and national Cuban contexts.


Assuntos
Preparações Farmacêuticas , Órgãos Governamentais , América Latina , Marketing
8.
J Appl Toxicol ; 40(8): 1113-1130, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32266738

RESUMO

Regarding carcinogenicity testing, the long-term rodent bioassay (RCB) has been the test required by most regulatory agencies across the world. Nonetheless, due to the lack of knowledge about its specificity, it has been argued that the RCB is unspecific or even invalid. Because of the substantial limitations of epidemiology to identify chemicals probably not carcinogenic to humans (PNCH), it has been very difficult to address the specificity of the RCB. Nevertheless, because mechanistic/pharmacological data are currently recognized as a valid stream of evidence for the identification of chemical hazards, the road is now open to gain insight into the specificity of the RCB. Based on sound mechanistic/pharmacological data that support the classification of chemicals as PNCH, 100 PNCH substances were gathered in this investigation. Contrary to what was previously forecast, in this study, the RCB exhibited a functional specificity that ranged from 83% to 91%, depending on the settings of the testing (2-species vs. rats only, and the nominal maximum tolerated dose). Other contributions of this work were: (a) enabling the comparison, in terms of specificity, between the RCB and the alternative methods that could replace it (eg, Tg.AC mouse, rasH2 mouse); (b) disclosing what the specificity is for alternative methods that were developed using the RCB as the reference standard; and (c) expanding the previous narrow (only seven substances) set of chemicals identified as not likely to be carcinogenic to humans by hazard identification programs.


Assuntos
Bioensaio/métodos , Testes de Carcinogenicidade/métodos , Cosméticos/toxicidade , Excipientes/toxicidade , Aditivos Alimentares/toxicidade , Especificidade da Espécie , Animais , Humanos , Camundongos , Ratos
9.
Toxicol Mech Methods ; 30(6): 462-475, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32338171

RESUMO

The long-term rodent bioassay (RCB) has been the gold-standard for the pre-marketing prediction of chemical and drug carcinogenicity to humans. Nonetheless, the validity of this toxicity test has remained elusive for several decades. In the quest to uncover the performance of the RCB, its sensitivity (SEN) was charted as the first step. This appraisal was based on (a) chemicals with sufficient epidemiological evidence of carcinogenicity, and (b) other substances with limited epidemiological evidence, or remarkable classifications of carcinogenicity based on mechanistic or pharmacological data. In the present study, chemicals evaluated for their carcinogenicity to humans in IARC Monographs volumes 1-123, U.S. EPA IRIS Assessments, and U.S. NTP RoC were considered. This investigation gathered additional evidence supporting that, in hazard identification, the RCB is unwarranted for mutagenic or direct-acting genotoxicants. However, for purposes of risk assessment or management, the RCB might be justified whenever there is a lack of reliable and/or comprehensive epidemiological data. The RCB exhibited a significantly different SEN for threshold-based human carcinogens compared to non-threshold-based ones. With threshold-based chemicals, to increase the SEN of the testing from 80% (rat-RCB) to 90%, the 2-species RCB might be warranted. Nevertheless, the resolve would depend on the viewpoint, and on the future analysis of the overall performance of the RCB. In terms of SEN, and cancer hazard identification, the comparison between the RCB and alternative methods (e.g. rasH2 mouse, Tg.AC mouse) is now enabled.


Assuntos
Bioensaio , Testes de Carcinogenicidade , Carcinógenos/toxicidade , Transformação Celular Neoplásica/induzido quimicamente , Neoplasias/induzido quimicamente , Animais , Bases de Dados Factuais , Feminino , Humanos , Masculino , Camundongos , Ratos , Medição de Risco , Fatores de Tempo
10.
J Appl Toxicol ; 40(1): 169-175, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31466122

RESUMO

The Report on Carcinogens (RoC), from the National Toxicology Program of the USA, is one of the world-leading programs for the identification and acknowledgment of substances that represent a hazard of cancer to humans. RoC covers several essential topics concerning environmental, occupational, and pharmaceutical agents that are known to be, or reasonably anticipated to be carcinogenic to humans. To promote the highest exploitation by its potential users, several RoC aspects and features were put together into one article. For doing so, a comprehensive description is provided regarding RoC history, scope, general features, listing criteria, contents, handbook, and website. Secondary and tertiary aims for this work were (a) to point out some improvement opportunities for the RoC, and (b) to discuss pending issues in regulatory science and cancer hazard assessments. In this regard, for agents classified as probably, likely, reasonably anticipated, possibly or suspected to be a human carcinogen, there is a lack of quantitative knowledge concerning the likelihood of those agents actually being carcinogenic to humans. Elucidating these probabilities is necessary, because the duration of current regulations and the arrival of new acts may depend on it. On the other hand, there is a dramatic imbalance in priorities toward carcinogens, compared with non-carcinogens, in current cancer hazard identification programs. That vision may ignore that the availability on the market of chemicals classified as probably not carcinogenic to humans can also be important for the employment, alimentation, economy, quality of life of consumers, and human health.


Assuntos
Testes de Carcinogenicidade , Carcinógenos/toxicidade , Transformação Celular Neoplásica/induzido quimicamente , Exposição Ambiental/efeitos adversos , Publicações Governamentais como Assunto , Neoplasias/induzido quimicamente , Saúde Pública , United States Public Health Service , Animais , Carcinógenos/classificação , Exposição Ambiental/legislação & jurisprudência , Regulamentação Governamental , Humanos , Formulação de Políticas , Saúde Pública/legislação & jurisprudência , Medição de Risco , Fatores de Risco , Estados Unidos , United States Public Health Service/legislação & jurisprudência
11.
Hist. ciênc. saúde-Manguinhos ; Hist. ciênc. saúde-Manguinhos;26(1): 123-144, Jan.-Mar. 2019. tab, graf
Artigo em Português | LILACS | ID: biblio-989870

RESUMO

Resumo A partir de estudo sobre a Comissão Técnica Nacional de Biotecnologia, órgão que concentra as competências de regulação de organismos geneticamente modificados no Brasil, o artigo apresenta uma análise, fundamentada na abordagem interacionista de Goffman, sobre sua atuação. Analisa a comissão como um teatro onde diferentes peritos realizam performances, atuam num palco, com uma plateia, bastidores e conflitos em relação aos papéis representados. Por meio de tais estratégias é possível entender o processo de consolidação e estabilização da comissão como instância decisória sobre organismos geneticamente modificados no Brasil. A estabilização da comissão está associada a uma gestão de palco que remove os conflitos para os bastidores e apresenta as decisões como isentas de interferências políticas ou interesses pessoais.


Abstract This article investigates the Brazilian National Technical Commission on Biosecurity, an agency empowered to regulate genetically modified organisms in the country, and presents an analysis of its performance based on Goffman's interactionist approach. The commission is analyzed as if it were a theater in which different experts perform and act on stage, with an audience, a backstage area, and conflicts related to the roles represented. These strategies make it possible to understand the process of consolidating and stabilizing this commission as a decision-making body on genetically modified organisms in Brazil. The stabilization of the commission is associated with stage management that takes conflicts out of the public view and moves them behind the scenes, presenting decisions as free from political interference or personal interests.


Assuntos
Humanos , Editoração/normas , Revisão da Pesquisa por Pares/normas , Pesquisa Qualitativa , Inquéritos e Questionários , Lista de Checagem
12.
Dev World Bioeth ; 19(3): 148-154, 2019 09.
Artigo em Inglês | MEDLINE | ID: mdl-30520552

RESUMO

Brazil is the biggest market for pesticides in the world. In the registration process, a pesticide must be authorized by the Institute of the Environment, Health Surveillance Agency and Ministry of Agriculture. Evaluations follow a package of toxicological studies submitted by the companies and also based on the Brazilian law regarding pesticides. We confronted data produced by private laboratories, submitted to the Institute of the Environment for registration, with data obtained from scientific databases, corresponding to mutagenicity, carcinogenicity and teratogenicity of pesticides. All studies submitted by the companies were carried out by private laboratories. From 247 pesticide formulations analyzed, none showed positive results for mutagenicity, carcinogenicity or teratogenicity. From 574 articles in the scientific literature, 84% published by public laboratories showed positive results, while 79% of those showing negative results came from private laboratories. There is an ethical concern about a conflict of interest between public/independent laboratories and private laboratories that produce data for registering pesticides. We demonstrated that there is a clear contradiction between public and private laboratories. Brazilian regulatory authorities have approved the registration of pesticides based almost exclusively on the monographs provided by the pesticide industry, because the use of scientific articles or information from the independent literature is strongly belittled by the industry. Pesticide companies argue that scientific articles cannot be trusted. Also, according to the industry, pesticide registration cannot be refused based on results from scientific articles. Thus, the registration of pesticides with mutagenic, carcinogenic and teratogenic risks has been approved in Brazil.


Assuntos
Carcinógenos/toxicidade , Conflito de Interesses , Regulamentação Governamental , Mutagênicos/toxicidade , Praguicidas/classificação , Praguicidas/toxicidade , Teratogênicos/toxicidade , Brasil/epidemiologia , Humanos , Laboratórios/classificação , Setor Privado , Setor Público
13.
Food Microbiol ; 75: 114-118, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30056955

RESUMO

This paper summarizes the gaps and challenges related to animal production, health, and food safety as discussed by a panel at the 1st International Symposium of Food Safety (ISFS) in Santiago, Chile, in December 2016. Participating representatives of academia, industry, and government and statements from the audience confirmed that food safety is essential for increasing food security. First, panelists identified the need for a science-based regulatory framework to implement effective regulations. Second, they highlighted the importance of a risk analysis framework to quantify the risk of the potential for antimicrobial resistance associated with the use of antimicrobials, and the need of studies to evaluate foodborne prevention/control strategies. Third, the challenges of filling the gaps between industry and academia were addressed, including examples of successful collaboration, opportunities, and weakness identified by industry. Finally, challenges in animal food production included issues related to changing consumer preferences, animal welfare, the use of antimicrobials, and sustainable animal production. The symposium provided a regional platform to share experiences from the implementation of methods and approaches for food safety. The roundtable successfully explored the future science and technology challenges that are of strategic importance for Chile and the region in animal health and food safety.


Assuntos
Criação de Animais Domésticos/normas , Inocuidade dos Alimentos , Gado/crescimento & desenvolvimento , Ração Animal/análise , Criação de Animais Domésticos/legislação & jurisprudência , Criação de Animais Domésticos/métodos , Animais , Qualidade de Produtos para o Consumidor/legislação & jurisprudência , Indústria Alimentícia/legislação & jurisprudência , Indústria Alimentícia/normas , Saúde , Humanos , Gado/fisiologia
14.
Bioinformation ; 9(14): 718-20, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23976827

RESUMO

Requests for laboratory tests are among the most relevant additional tools used by physicians as part of patient's health problemsolving. However, the overestimation of complementary investigation may be linked to less reflective medical practice as a consequence of a poor physician-patient communication, and may impair patient-centered care. This scenario is likely to result from reduced consultation time, and a clinical model focused on the disease. We propose a new medical intervention program that specifically targets improving the patient-centered communication of laboratory tests results, the core of bioinformation in health care. Expectations are that medical students training in communication skills significantly improve physicians-patient relationship, reduce inappropriate use of laboratorial tests, and raise stakeholder engagement.

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