Publicação
Transparency and accuracy in funding investigator-initiated clinical trials
| Resumo: | Objectives This study aims to identify the sources of funding for investigator-initiated clinical trials (IICTs) in Portugal, and to recommend ways to improve the quality of information collected from clinical trial databases about funding. Design and methods A systematic search of trial registrations over the last 13 years - using the WHO International Clinical Trials Registry Platform (WHO-ICTRP) and four clinical trials registries (CTRs) - was carried out to identify IICTs in Portugal, used as a case study. Data from the databases were compared with data contained in publications to evaluate the consistency of information on funding sources. The term a € database' is used in this study to refer to both the WHO-ICTRP and the CTRs. When mentioned separately, the WHO-ICTRP is referred to as a a € platform', while the CTRs are referred to as a € registries'. Outcome Suggestions to improve clinical trials databases to clearly identify the funding sources and data ownership in IICTs. Results Two hundred and eighty-two IICTs were identified in Portugal. Twenty per cent of trials were supported by industry with unclear information on the ownership of the results. Inaccuracy was found in the information about sponsors and funders. The information about funding in all resulting publications (77 out of 133 completed studies) was also inconsistent between databases in 35 out of 77 (45%) of the studies. Notably, 23% of the trials funded by non-profit organisations (n=226) received funds from international and/or national funding agencies. Conclusions Identification of IICT funding and ownership of results is unclear in the databases used for this study, which may lead to misunderstandings about the independence of the obtained results. Transparency and accuracy are desirable so that public decision makers and strategic partners can accurately evaluate national performance in this particular type of clinical research. |
|---|---|
| Autores principais: | Madeira, Catarina |
| Outros Autores: | Santos, Francisco; Kubiak, Christine; Demotes, Jacques; Monteiro, Emília Carreira; Monteiro, E.C. |
| Assunto: | clinical trials clinical trials database clinical trials registry interventional clinical studies investigator-initiated clinical trials General Medicine |
| Ano: | 2019 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade Nova de Lisboa |
| Idioma: | inglês |
| Origem: | Repositório Institucional da UNL |
Registos relacionados
article Investigator Initiated Clinical Trials (IICTs)
por: Madeira, C.
Publicado em: (2021)
por: Madeira, C.
Publicado em: (2021)
school Investigator-initiated clinical trials (IICTs) in Portugal: clinical investigator needs and support from clinical research infrastructure networks
por: Matias, Daniela Maria Sequeira
Publicado em: (2019)
por: Matias, Daniela Maria Sequeira
Publicado em: (2019)
rate_review Presentation of the first international research network to foster high-quality clinical trials testing non-pharmacological interventions (TRACTION network)
por: Ferreira, Ricardo J.O.
Publicado em: (2024)
por: Ferreira, Ricardo J.O.
Publicado em: (2024)
school The scientific impact of commercial and non-commercial clinical trials in Portuguese lnstitutions
por: Andrade, Maria Pinheiro de Azevedo
Publicado em: (2019)
por: Andrade, Maria Pinheiro de Azevedo
Publicado em: (2019)
school Internship report: curricular training at a phase i clinical trials unit
por: Silva, Ana Paula Nascimento da
Publicado em: (2025)
por: Silva, Ana Paula Nascimento da
Publicado em: (2025)
school Ensaios clínicos da iniciativa do investigador e descrição do estágio em coordenação de estudos clínicos no IPO Porto
por: Bastos, Inês Maria Capelo
Publicado em: (2022)
por: Bastos, Inês Maria Capelo
Publicado em: (2022)
article Using cancer registries to supplement clinical trial data and inform regulatory decision
por: Costa, Filipa Alves da
Publicado em: (2020)
por: Costa, Filipa Alves da
Publicado em: (2020)
article Fifteen years of clinical trials in Huntington’s disease: a very low clinical drug development success rate
por: Travessa, André
Publicado em: (2017)
por: Travessa, André
Publicado em: (2017)
article Analysis of clinical and methodological characteristics of early COVID-19 treatment clinical trials: so much work, so many lost opportunities
por: Mainoli, Beatrice
Publicado em: (2021)
por: Mainoli, Beatrice
Publicado em: (2021)
article Quantitative assessment of the reproducibility of functional activation measured with BOLD and MR perfusion imaging: Implications for clinical trial design
por: Tjandra, Teddy
Publicado em: (2005)
por: Tjandra, Teddy
Publicado em: (2005)
article Presentation of the first international research network to foster high-quality clinical trials testing non-pharmacological interventions (TRACTION network)
por: Ferreira, Ricardo J. O.
Publicado em: (2024)
por: Ferreira, Ricardo J. O.
Publicado em: (2024)
school Relatório de estágio em coordenação de investigação clínica na Blueclinical, LTD
por: Barbosa, Ana Rita Ferreira
Publicado em: (2022)
por: Barbosa, Ana Rita Ferreira
Publicado em: (2022)
article Clinical trials corner: September 2017
por: Rodrigues, Filipe Brogueira
Publicado em: (2017)
por: Rodrigues, Filipe Brogueira
Publicado em: (2017)
article Randomization in clinical trials: a biostatistician task
por: Coelho, Heitor
Publicado em: (2025)
por: Coelho, Heitor
Publicado em: (2025)
article Towards a standardized protocol for conducting randomized clinical trial for software
por: Rodrigues, Lídia Maria Lourençön
Publicado em: (2018)
por: Rodrigues, Lídia Maria Lourençön
Publicado em: (2018)
article Clinical Trials in Portugal: How Can we Improve?
por: Carvalho, Marta
Publicado em: (2021)
por: Carvalho, Marta
Publicado em: (2021)
article Huntington’s disease Clinical Trials Corner: February 2018
por: Rodrigues, Filipe Brogueira
Publicado em: (2018)
por: Rodrigues, Filipe Brogueira
Publicado em: (2018)
article Huntington’s disease Clinical Trials Corner: January 2019
por: Rodrigues, Filipe Brogueira
Publicado em: (2019)
por: Rodrigues, Filipe Brogueira
Publicado em: (2019)
school Relatório de estágio em coordenação de estudos clínicos no Hospital CUF Tejo
por: Abreu, Jaime Alexandre Frutuoso
Publicado em: (2024)
por: Abreu, Jaime Alexandre Frutuoso
Publicado em: (2024)
school Relatório de estágio em coordenação de estudos clínicos na unidade local de saúde Lisboa Ocidental, EPE
por: Ferreira, Francisca Figueiredo
Publicado em: (2025)
por: Ferreira, Francisca Figueiredo
Publicado em: (2025)
school Estágio em gestão e monitorização de estudos clínicos na CRO CETERA
por: Saraiva, Beatriz Tomé Gonçalves
Publicado em: (2025)
por: Saraiva, Beatriz Tomé Gonçalves
Publicado em: (2025)
school Relatório de estágio curricular : coordenação de ensaios clínicos no Hospital da Luz Learning Health
por: Afonso, Catarina da Mota
Publicado em: (2023)
por: Afonso, Catarina da Mota
Publicado em: (2023)
article Analysis of clinical and methodological characteristics of early COVID-19 treatment clinical trials
por: Mainoli, Beatrice
Publicado em: (2021)
por: Mainoli, Beatrice
Publicado em: (2021)
article Reporting and methodological quality of clinical trials on exercise therapy for Parkinson's disease
por: Silva, Cláudia M.
Publicado em: (2019)
por: Silva, Cláudia M.
Publicado em: (2019)
school Internship report at a clinical research unit - CRU2C : the specifics of clinical research with radiopharmaceuticals
por: Petisca, Tânia Sofia Codinha
Publicado em: (2024)
por: Petisca, Tânia Sofia Codinha
Publicado em: (2024)
school Production and good practices in the creation of Case Report Forms for clinical trials
por: Pacheco, João Pedro Coutinho
Publicado em: (2024)
por: Pacheco, João Pedro Coutinho
Publicado em: (2024)
school Relatório de estágio em Monitorização de ensaios Clínicos na BlueClinical
por: Canhoto, Maria Pereira
Publicado em: (2024)
por: Canhoto, Maria Pereira
Publicado em: (2024)
school Digitalização de um centro de investigação clínica : desenho de um plano estratégico trabalho de projeto
por: Eça, Rita Horta Osório da Cunha de
Publicado em: (2023)
por: Eça, Rita Horta Osório da Cunha de
Publicado em: (2023)
school Relatório de estágio curricular em coordenação de estudos clínicos no Centro Hospitalar Universitário Cova da Beira
por: Ribeiro, Miguel Rabasquinho
Publicado em: (2022)
por: Ribeiro, Miguel Rabasquinho
Publicado em: (2022)
text_fields Assessment of Competencies of Clinical Research Professionals and Proposals to Improve Clinical Research in Portugal.
por: Bogas, Mónica
Publicado em: (2025)
por: Bogas, Mónica
Publicado em: (2025)
school Gestão dos processos inerentes à implementação e condução de ensaios clínicos de fase I
por: Fernandes, Carlos Filipe Teixeira
Publicado em: (2024)
por: Fernandes, Carlos Filipe Teixeira
Publicado em: (2024)
article Clinical Trials in Portugal: How Can we Improve?
por: Carvalho, Marta
Publicado em: (2021)
por: Carvalho, Marta
Publicado em: (2021)
article Clinical Trials in Portugal: How Can we Improve?
por: Carvalho, Marta
Publicado em: (2021)
por: Carvalho, Marta
Publicado em: (2021)
article Harmonizing quality improvement metrics across global trial networks to advance paediatric clinical trials delivery
por: Attar, Sabah
Publicado em: (2024)
por: Attar, Sabah
Publicado em: (2024)
article Six solutions for clinical study data sharing in Germany
por: Bobrov, Evgeny
Publicado em: (2025)
por: Bobrov, Evgeny
Publicado em: (2025)
school Gestão dos processos inerentes à implementação e condução de ensaios clínicos de fase I
por: Ganço, Marta Pinto Rodrigues Pereira
Publicado em: (2024)
por: Ganço, Marta Pinto Rodrigues Pereira
Publicado em: (2024)
article Recent trials in autosomal dominant polycystic kidney disease
por: Teixeira,Catarina
Publicado em: (2014)
por: Teixeira,Catarina
Publicado em: (2014)
article Clinical Trials in Portugal: Past and Future. Position Paper from the Colleges of Clinical Pharmacology and Pharmaceutical Medicine
por: Borges-Carneiro, Filipa
Publicado em: (2024)
por: Borges-Carneiro, Filipa
Publicado em: (2024)
article Interpretation of chronic pain clinical trial outcomes : IMMPACT recommended considerations
por: Smith, Shannon M.
Publicado em: (2020)
por: Smith, Shannon M.
Publicado em: (2020)
school Coordenação de estudos clínicos no Hospital da Luz Learning Health
por: Silveiro, Carolina Maria Carvalho
Publicado em: (2024)
por: Silveiro, Carolina Maria Carvalho
Publicado em: (2024)
Registos relacionados
-
article Investigator Initiated Clinical Trials (IICTs)
por: Madeira, C.
Publicado em: (2021) -
school Investigator-initiated clinical trials (IICTs) in Portugal: clinical investigator needs and support from clinical research infrastructure networks
por: Matias, Daniela Maria Sequeira
Publicado em: (2019) -
rate_review Presentation of the first international research network to foster high-quality clinical trials testing non-pharmacological interventions (TRACTION network)
por: Ferreira, Ricardo J.O.
Publicado em: (2024) -
school The scientific impact of commercial and non-commercial clinical trials in Portuguese lnstitutions
por: Andrade, Maria Pinheiro de Azevedo
Publicado em: (2019) -
school Internship report: curricular training at a phase i clinical trials unit
por: Silva, Ana Paula Nascimento da
Publicado em: (2025)