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Tukayo BLA, Sunderland B, Parsons R, Czarniak P. High prevalence of off-label and unlicensed paediatric prescribing in a hospital in Indonesia during the period Aug.-Oct. 2014. PLoS One 2020; 15:e0227687. [PMID: 31935254 PMCID: PMC6959587 DOI: 10.1371/journal.pone.0227687] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/22/2019] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Data on off-label and unlicensed prescribing in children in Indonesia is limited. The aims of this study were to determine the prevalence of off-label and unlicensed prescribing for paediatric patients in a public hospital, Indonesia. METHOD A retrospective cross-sectional study of 200 randomly selected paediatric patients admitted to hospital between August and October 2014, collected patient details and all drugs prescribed. Licensed drugs were classified as off-label if there was a non-compliance with the Product Information for age, weight, indication, dose, frequency and route of administration, if there was a contraindication, special precautions or not recommended for children. Unlicensed drugs were those not approved for use in Indonesia. The main outcome was the prevalence of off-label or unlicensed prescribing to infants, children and adolescents and the impact of age group on off-label prescribing. RESULTS A total of 200 patients received 1961 medicines of which 1807/1961 (92.1%) were licensed and 154/1961 (7.9%) were unlicensed. There were 1403/1961 (71.5%) drugs prescribed off-label. More than half of the total drugs (n = 1066; 54.4%) were administered parenterally. Every patient was prescribed at least one off-label drug. Indication (n = 810; 34.6%) was the most common reason for off-label prescribing. Ranitidine was the most frequent drug prescribed off label. Darplex® (dihydroartemisinin and piperaquine), although manufactured in Indonesia, was unlicensed. There was a significant difference between age group and off-label prescribing in that children were prescribed significantly less off-label drugs (p<0.0003). CONCLUSION This study revealed a high prevalence of off-label and unlicensed drug use in paediatric patients in this hospital, exposing them to drug treatments or regimens that had not been approved by regulatory authorities. The high incidence of invasive parenteral prescribing is of concern for paediatric patients. Incentives are needed to encourage specific drug evaluation in paediatric populations.
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Affiliation(s)
- Brechkerts Lieske Angruni Tukayo
- School of Pharmacy and Biomedical Sciences, Curtin University, Bentley, Western Australia, Australia
- Health Polytechnic Jayapura Indonesian Ministry of Health, Jakarta, Indonesia
| | - Bruce Sunderland
- School of Pharmacy and Biomedical Sciences, Curtin University, Bentley, Western Australia, Australia
| | - Richard Parsons
- School of Occupational Therapy, Social Work and Speech Pathology, Curtin University, Bentley, Western Australia, Australia
| | - Petra Czarniak
- School of Pharmacy and Biomedical Sciences, Curtin University, Bentley, Western Australia, Australia
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2
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Rodríguez-Nogales C, González-Fernández Y, Aldaz A, Couvreur P, Blanco-Prieto MJ. Nanomedicines for Pediatric Cancers. ACS NANO 2018; 12:7482-7496. [PMID: 30071163 DOI: 10.1021/acsnano.8b03684] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Chemotherapy protocols for childhood cancers are still problematic due to the high toxicity associated with chemotherapeutic agents and incorrect dosing regimens extrapolated from adults. Nanotechnology has demonstrated significant ability to reduce toxicity of anticancer compounds. Improvement in the therapeutic index of cytostatic drugs makes this strategy an alternative to common chemotherapy in adults. However, the lack of nanomedicines specifically for pediatric cancer care raises a medical conundrum. This review highlights the current state and progress of nanomedicine in pediatric cancer and discusses the real clinical challenges and opportunities.
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Affiliation(s)
- Carlos Rodríguez-Nogales
- Pharmacy and Pharmaceutical Technology Department , University of Navarra , Pamplona 31008 , Spain
- Instituto de Investigación Sanitaria de Navarra (IdiSNA) , Pamplona 31008 , Spain
| | | | - Azucena Aldaz
- Department of Pharmacy , Clínica Universidad de Navarra , Pamplona 31008 , Spain
| | - Patrick Couvreur
- Institut Galien Paris-Sud, UMR CNRS 8612, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry Cedex 92296 , France
| | - María J Blanco-Prieto
- Pharmacy and Pharmaceutical Technology Department , University of Navarra , Pamplona 31008 , Spain
- Instituto de Investigación Sanitaria de Navarra (IdiSNA) , Pamplona 31008 , Spain
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Carpenter D, Gonzalez D, Retsch-Bogart G, Sleath B, Wilfond B. Methodological and Ethical Issues in Pediatric Medication Safety Research. Pediatrics 2017; 140:e20170195. [PMID: 28778857 PMCID: PMC5574727 DOI: 10.1542/peds.2017-0195] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/20/2017] [Indexed: 12/26/2022] Open
Abstract
In May 2016, the Eshelman School of Pharmacy at The University of North Carolina at Chapel Hill convened the PharmSci conference to address the topic of "methodological and ethical issues in pediatric medication safety research." A multidisciplinary group of experts representing a diverse array of perspectives, including those of the US Food and Drug Administration, children's hospitals, and academia, identified important considerations for pediatric medication safety research and opportunities to advance the field. This executive summary describes current challenges that clinicians and researchers encounter related to pediatric medication safety research and identifies innovative and ethically sound methodologies to address these challenges to improve children's health. This article addresses 5 areas: (1) pediatric drug development and drug trials; (2) conducting comparative effectiveness research in pediatric populations; (3) child and parent engagement on study teams; (4) improving communication with children and parents; and (5) assessing child-reported outcomes and adverse drug events.
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Affiliation(s)
| | | | - George Retsch-Bogart
- Department of Pediatrics, School of Medicine
- Clinical and Translational Research Center of the North Carolina Translational and Clinical Sciences Institute, and
- Cystic Fibrosis Therapeutics Development Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; and
| | | | - Benjamin Wilfond
- Treuman Katz Center for Pediatric Bioethics, Seattle Children's Research Institute, University of Washington, Seattle, Washington
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Clyburne-Sherin AVP, Thurairajah P, Kapadia MZ, Sampson M, Chan WWY, Offringa M. Recommendations and evidence for reporting items in pediatric clinical trial protocols and reports: two systematic reviews. Trials 2015; 16:417. [PMID: 26385379 PMCID: PMC4574457 DOI: 10.1186/s13063-015-0954-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 09/11/2015] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Complete and transparent reporting of clinical trial protocols and reports ensures that these documents are useful to all stakeholders, that bias is minimized, and that the research is not wasted. However, current studies repeatedly conclude that pediatric trial protocols and reports are not appropriately reported. Guidelines like SPIRIT (Standard Protocol Items: Recommendations for Interventional Trials) and CONSORT (Consolidated Standards of Reporting Trials) may improve reporting, but do not offer guidance on issues unique to pediatric trials. This paper reports two systematic reviews conducted to build the evidence base for the development of pediatric reporting guideline extensions: 1) SPIRIT-Children (SPIRIT-C) for pediatric trial protocols, and 2) CONSORT-Children (CONSORT-C) for pediatric trial reports. METHOD MEDLINE, the Cochrane Methodology Register, and reference lists of included studies were searched. Publications of any type were eligible if they included explicit recommendations or empirical evidence for the reporting of potential items in a pediatric protocol (SPIRIT-C systematic review) or trial report (CONSORT-C systematic review). Study characteristics, recommendations and evidence for pediatric extension items were extracted. Recurrent themes in the recommendations and evidence were identified and synthesized. All steps were conducted by two reviewers. RESULTS For the SPIRIT-C and CONSORT-C systematic reviews 366 and 429 publications were included, respectively. Recommendations were identified for 48 of 50 original reporting items and sub-items from SPIRIT, 15 of 20 potential SPIRIT-C reporting items, all 37 original CONSORT items and sub-items, and 16 of 22 potential CONSORT-C reporting items. The following overarching themes of evidence to support or refute the utility of reporting items were identified: transparency; reproducibility; interpretability; usefulness; internal validity; external validity; reporting bias; publication bias; accountability; scientific soundness; and research ethics. CONCLUSION These systematic reviews are the first to systematically gather evidence and recommendations for the reporting of specific items in pediatric protocols and trials. They provide useful and translatable evidence on which to build pediatric extensions to the SPIRIT and CONSORT reporting guidelines. The resulting SPIRIT-C and CONSORT-C will provide guidance to the authors of pediatric protocols and reports, respectively, helping to alleviate concerns of inappropriate and inconsistent reporting, and reduce research waste.
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Affiliation(s)
- April V P Clyburne-Sherin
- The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, SickKids Research Institute, Child Health Evaluative Sciences, 686 Bay Street, Toronto, ON, M5G 0A4, Canada.
| | - Pravheen Thurairajah
- The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, SickKids Research Institute, Child Health Evaluative Sciences, 686 Bay Street, Toronto, ON, M5G 0A4, Canada.
| | - Mufiza Z Kapadia
- The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, SickKids Research Institute, Child Health Evaluative Sciences, 686 Bay Street, Toronto, ON, M5G 0A4, Canada.
| | - Margaret Sampson
- Children's Hospital of Eastern Ontario, 401 Smyth Road, Ottawa, ON, K1H 8L1, Canada.
| | - Winnie W Y Chan
- The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, SickKids Research Institute, Child Health Evaluative Sciences, 686 Bay Street, Toronto, ON, M5G 0A4, Canada.
| | - Martin Offringa
- The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, SickKids Research Institute, Child Health Evaluative Sciences, 686 Bay Street, Toronto, ON, M5G 0A4, Canada. .,Senior Scientist and Program Head Child Health Evaluative Sciences, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, SickKids Research Institute, 686 Bay Street, Toronto, ON, M5G 0A4, Canada.
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Osokogu OU, Fregonese F, Ferrajolo C, Verhamme K, de Bie S, 't Jong G, Catapano M, Weibel D, Kaguelidou F, Bramer WM, Hsia Y, Wong ICK, Gazarian M, Bonhoeffer J, Sturkenboom M. Pediatric drug safety signal detection: a new drug-event reference set for performance testing of data-mining methods and systems. Drug Saf 2015; 38:207-17. [PMID: 25663078 PMCID: PMC4328124 DOI: 10.1007/s40264-015-0265-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Better evidence regarding drug safety in the pediatric population might be generated from existing data sources such as spontaneous reporting systems and electronic healthcare records. The Global Research in Paediatrics (GRiP)-Network of Excellence aims to develop pediatric-specific methods that can be applied to these data sources. A reference set of positive and negative drug-event associations is required. OBJECTIVE The aim of this study was to develop a pediatric-specific reference set of positive and negative drug-event associations. METHODS Considering user patterns and expert opinion, 16 drugs that are used in individuals aged 0-18 years were selected and evaluated against 16 events, regarded as important safety outcomes. A cross-table of unique drug-event pairs was created. Each pair was classified as potential positive or negative control based on information from the drug's Summary of Product Characteristics and Micromedex. If both information sources consistently listed the event as an adverse event, the combination was reviewed as potential positive control. If both did not, the combination was evaluated as potential negative control. Further evaluation was based on published literature. RESULTS Selected drugs include ibuprofen, flucloxacillin, domperidone, methylphenidate, montelukast, quinine, and cyproterone/ethinylestradiol. Selected events include bullous eruption, aplastic anemia, ventricular arrhythmia, sudden death, acute kidney injury, psychosis, and seizure. Altogether, 256 unique combinations were reviewed, yielding 37 positive (17 with evidence from the pediatric population and 20 with evidence from adults only) and 90 negative control pairs, with the remainder being unclassifiable. CONCLUSION We propose a drug-event reference set that can be used to compare different signal detection methods in the pediatric population.
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Affiliation(s)
- Osemeke U Osokogu
- Department of Medical Informatics, Erasmus University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands,
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Successful private-public funding of paediatric medicines research: lessons from the EU programme to fund research into off-patent medicines. Eur J Pediatr 2015; 174:481-91. [PMID: 25241827 PMCID: PMC4369287 DOI: 10.1007/s00431-014-2398-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 08/07/2014] [Accepted: 08/11/2014] [Indexed: 11/01/2022]
Abstract
UNLABELLED The European Paediatric Regulation mandated the European Commission to fund research on off-patent medicines with demonstrated therapeutic interest for children. Responding to this mandate, five FP7 project calls were launched and 20 projects were granted. This paper aims to detail the funded projects and their preliminary results. Publicly available sources have been consulted and a descriptive analysis has been performed. Twenty Research Consortia including 246 partners in 29 European and non-European countries were created (involving 129 universities or public-funded research organisations, 51 private companies with 40 SMEs, 7 patient associations). The funded projects investigate 24 medicines, covering 10 therapeutic areas in all paediatric age groups. In response to the Paediatric Regulation and to apply for a Paediatric Use Marketing Authorisation, 15 Paediatric Investigation Plans have been granted by the EMA-Paediatric Committee, including 71 studies of whom 29 paediatric clinical trials, leading to a total of 7,300 children to be recruited in more than 380 investigational centres. CONCLUSION Notwithstanding the EU contribution for each study is lower than similar publicly funded projects, and also considering the complexity of paediatric research, these projects are performing high-quality research and are progressing towards the increase of new paediatric medicines on the market. Private-public partnerships have been effectively implemented, providing a good example for future collaborative actions. Since these projects cover a limited number of off-patent drugs and many unmet therapeutic needs in paediatrics remain, it is crucial foreseeing new similar initiatives in forthcoming European funding programmes.
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Pflieger M, Bertram D. [Pediatric drug development: ICH harmonized tripartite guideline E11 within the United States of America, the European Union, and Japan]. Arch Pediatr 2014; 21:1129-38. [PMID: 25175054 DOI: 10.1016/j.arcped.2014.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 07/01/2014] [Accepted: 07/23/2014] [Indexed: 10/24/2022]
Abstract
To address the lack of appropriate pediatric drugs available on the global market, in 2000 the International Conference on Harmonization of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) issued the ICH E11 guideline regarding the Clinical Investigation of Medicinal Products in the Pediatric Population. This guideline considerably changes the environment of drug development for children. It has been written specifically to harmonize, promote, and facilitate high-quality and ethical clinical research for children within the ICH regions, i.e., the United States of America (USA), the European Union (EU), and Japan. This article details the various regulations applicable in each ICH region following the publication of the guideline. The framework of rewards, incentives, and obligations for pharmaceutical companies established for the development of pediatric drugs are compared. It appears that the USA and the EU have both developed specific regulations for pediatric drug development while Japan has not. However, in Japan, pharmaceutical companies (PCs) are encouraged to develop pediatric drugs voluntarily, and they may be granted additional months of market exclusivity or the postponement of the drug re-examination deadline. In both the USA and the EU, regulations aimed to increase the number of clinical studies conducted in children, in order to ensure that the necessary data are generated, determining the conditions in which a drug may be authorized to treat the pediatric population. PCs are encouraged to develop pediatric assessment, including pediatric clinical trials, which is described in a pediatric plan submitted to the relevant authorities. A system of rewards for PCs submitting an application for marketing authorization containing pediatric use information has been put in place to cover the additional investment for testing drugs in children. Subject to conditions, these rewards consist in a 6-month extension of the patent or supplementary protection. Regarding the approval for new medicinal products in these two regions, regulations require PCs to include, when it is relevant, a pediatric assessment in their drug research and development plan, which must be approved. Although these regions have implemented the ICH guideline, the regulation differs with respect to the timing of studies in children relative to adults and approval of a pediatric drug development plan. Except for special cases, the pediatric investigation plan in the EU is required to be prepared and submitted to the competent authorities upon availability of adult pharmacokinetic studies (after phase I), which means at an early phase of a new drug development plan. In the USA, the pediatric plan is requested later during the phase II or III trials. In practice, it has become difficult for pharmaceutical industries to develop a practicable clinical program for pediatrics including timelines for studies in children that satisfy both EU and USA authorities. Nevertheless, at an early stage of the development strategy, direct support and advice from competent authorities can be obtained. For the ICH regions, pediatric committees are well-established albeit less structured in Japan. Their roles are to review and assess pediatric plans, to issue recommendations, to advise pharmaceutical companies on the content and format of pediatric data to be methodically collected and analyzed, and to avoid exposing children to unnecessary or redundant clinical trials. This regulatory framework encourages the study and the development of pediatric drugs, but it is still quite difficult to actually measure the impact of the ICH E11 on increasing the number of drugs for pediatric use.
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Affiliation(s)
- M Pflieger
- CS 90632, délégation à la recherche clinique et à l'innovation, hôpital Pierre-Zobda-Quitman, centre hospitalier universitaire de Martinique, 97261 Fort-de-France, Martinique
| | - D Bertram
- Direction de la recherche clinique et de l'innovation, siège administratif, hospices civils de Lyon, BP 2251, 3, quai des Célestins, 69229 Lyon cedex 02, France.
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Haslund-Krog S, Mathiasen R, Christensen HR, Holst H. The impact of legislation on drug substances used off-label in paediatric wards--a nationwide study. Eur J Clin Pharmacol 2014; 70:445-52. [PMID: 24398969 DOI: 10.1007/s00228-013-1626-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 12/04/2013] [Indexed: 10/25/2022]
Abstract
PURPOSE This nationwide study is aimed at describing to what extent the European Paediatric Regulation has met therapeutic needs in children. METHODS Data for each drug substance in defined daily doses (DDD) were extracted from the national Danish data base. We evaluated if drug substances were used off-label and whether they had a paediatric investigation plan (PIP). This study did not include drug prescriptions for individual paediatric patients; thus, it was not possible to make use of all off-label categories previously used. Additionally, paediatric standard assortments (SA) were compared to the European survey on paediatric medicinal products. RESULTS Thirteen percent of the 100 most used drug substances were determined as being used off-label, four of which had a PIP and one had a full waiver. Only one of the three drug substances used off-label most often, accounting for 85 % of such use, had a PIP. Neonates were included in one-third of PIPs and adolescents in 15. Nineteen out of 21 PIPs had a waiver and 14 PIPs were deferred. In line with the European survey, carbapenems, corticosteroids and proton pump inhibitors were frequent found in SAs. CONCLUSION PIPs only cover a small proportion of the drugs found to be used off-label in this study. Despite waivers granted, drug substances were used nonetheless. Unmet regulatory needs are still considerable in some therapeutic areas in neonates as well as in children.
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Affiliation(s)
- Sissel Haslund-Krog
- Department of Clinical Pharmacology, Bispebjerg Hospital, 2400, Copenhagen, Denmark
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Tenembaum SN. Ethical challenges in paediatric clinical trials in multiple sclerosis. Ther Adv Neurol Disord 2013; 5:139-46. [PMID: 22590478 DOI: 10.1177/1756285612437360] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Children and adolescents with multiple sclerosis (MS) are reported to show high rates of relapse early in the course of the disease as well as cognitive deterioration over time. Immunomodulatory therapies developed for adult MS patients are currently the standard first-line agents for most paediatric MS patients. Available data indicate that the three interferon-beta preparations and glatiramer acetate are safe and well tolerated in children and adolescents with MS, and provide preliminary indications of efficacy in terms of relapse rate reduction. However, these treatments are only partly effective and their routes of administration can be bothersome, particularly for children. Emerging therapies for MS offer promise for improved disease control and long-term clinical outcome, with the advantage of an oral administration for some of them. The future approval of these new medications requires clinical trial consideration of such therapies in the paediatric population. Many of these new agents carry a higher risk for serious adverse events with increased toxicity and still undefined long-term side effects. There are ethical issues as well as issues related to feasibility that must be borne in mind when planning investigation trials for new pharmacological agents in the paediatric population, including immunological maturity, key period of exposure to numerous community-acquired infections, neurodevelopmental factors, in addition to short-term and long-term age-related toxicities. Furthermore, the lack of a large enough paediatric MS population worldwide limits some designs and the feasibility of participation in all the studies. Emerging new therapies have the potential to optimize the care of both paediatric and adult patients with MS. Future treatment trials in children and adolescents with MS will require a multicentre design, definition and selection of key outcome measures, and identification of the most promising therapies. Risks versus benefits of each specific treatment should be weighed and comprehensively discussed.
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Affiliation(s)
- Silvia N Tenembaum
- Staff Neurologist, Department of Neurology, National Pediatric Hospital Dr Juan P. Garrahan, Billinghurst 850. Buenos Aires, 1174 Argentina
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Affiliation(s)
- Sandeep B Bavdekar
- Department of Pediatrics, TN Medical College and BYL Nair Hospital, Mumbai, Maharashtra, India
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Swartling U, Hansson MG, Ludvigsson J, Nordgren A. "My parents decide if I can. I decide if I want to." Children's views on participation in medical research. J Empir Res Hum Res Ethics 2012; 6:68-75. [PMID: 22228061 DOI: 10.1525/jer.2011.6.4.68] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The participation of children in medical research raises many ethical issues, in particular regarding assent. However, little is known about children's own views on participation. This study presents results from interviews with children 10-12 years old with and without experience in a large-scale longitudinal screening study. We identified five themes: (1) knowledge about research, (2) a sense of altruism, (3) shared decision-making and right to dissent, (4) notions of integrity, privacy, and access, and (5) understanding of disease risk and personal responsibilities. We conclude that the children feel positive towards medical research, and want to take an active part in decisions and have their integrity respected. However, the study also indicates that children who had participated in longitudinal screening had a limited understanding, suggesting the vital importance of providing information appropriate to their age and maturity. This information should be provided out of respect for the children as persons, but also to promote their willingness to continue participating in longitudinal studies.
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Affiliation(s)
- Ulrica Swartling
- Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Sweden.
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