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  1. 761
    “…From 2178 records retrieved in the systematic literature review, four eligible trials were identified by two independent reviewers. Principal investigators of eligible trials were invited to contribute their data to this individual participant data meta-analysis. …”
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    Response to physical rehabilitation and recovery trajectories following critical illness: individual participant data meta-analysis protocol
  2. 762
    “…METHODS: A survey was developed by expert consensus and sent to all CONNECT-HF site principal investigators. Descriptive statistics were used for the quantitative questions and content analysis was performed for free-text responses. …”
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    Changes in Care Delivery for Patients with Heart Failure During the Covid-19 Pandemic: Results of a Multicenter Survey
  3. 763
    “…ETHICS AND DISSEMINATION: Local principal investigators will ensure that the study adheres to all relevant national regulations, and that the necessary approvals are in place before a site may contribute data. …”
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    Design and rationale of the COVID-19 Critical Care Consortium international, multicentre, observational study
  4. 764
    por Rasmussen, Marie Isabel, Hansen, Mathias Lühr, Pichler, Gerhard, Dempsey, Eugene, Pellicer, Adelina, EL-Khuffash, Afif, A, Shashidhar, Piris-Borregas, Salvador, Alsina, Miguel, Cetinkaya, Merih, Chalak, Lina, Özkan, Hilal, Baserga, Mariana, Sirc, Jan, Fuchs, Hans, Ergenekon, Ebru, Arruza, Luis, Mathur, Amit, Stocker, Martin, Otero Vaccarello, Olalla, Szczapa, Tomasz, Sarafidis, Kosmas, Królak-Olejnik, Barbara, Memisoglu, Asli, Reigstad, Hallvard, Rafińska-Ważny, Elżbieta, Hatzidaki, Eleftheria, Peng, Zhang, Gkentzi, Despoina, Viellevoye, Renaud, De Buyst, Julie, Mastretta, Emmanuele, Wang, Ping, Hahn, Gitte Holst, Bender, Lars, Cornette, Luc, Tkaczyk, Jakub, del Rio, Ruth, Fumagalli, Monica, Papathoma, Evangelia, Wilinska, Maria, Naulaers, Gunnar, Sadowska-Krawczenko, Iwona, Lecart, Chantal, Couce, María Luz, Fredly, Siv, Heuchan, Anne Marie, Karen, Tanja, Greisen, Gorm
    Publicado 2021
    “…Forty-six out of 79 NICUs (58%) from 17 countries participated. Principal investigators were asked to report the following information: (1) Total number of EP infant admissions to their NICU in the 3 months where the lockdown restrictions were most rigorous during the first phase of the COVID-19 pandemic, (2) Similar EP infant admissions in the corresponding 3 months of 2019, (3) the level of local restrictions during the lockdown period, and (4) the local impact of the COVID-19 lockdown on the everyday life of a pregnant woman. …”
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    Extremely Preterm Infant Admissions Within the SafeBoosC-III Consortium During the COVID-19 Lockdown
  5. 765
    “…A survey was distributed to site principal investigators prior to randomization to measure contextual elements related to care pathway implementation. …”
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    Barriers to symptom management care pathway implementation in pediatric Cancer
  6. 766
    “…Fifty-eight (83%) were working in research units associated with hospitals, 29 (41%) were experienced Research Coordinators and 19 (27%) Principal Investigators; 31 (44%) were primarily associated with paediatric research. …”
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    Research monitoring practices in critical care research: a survey of current state and attitudes
  7. 767
    por Vitale, Antonio, Della Casa, Francesca, Lopalco, Giuseppe, Pereira, Rosa Maria, Ruscitti, Piero, Giacomelli, Roberto, Ragab, Gaafar, La Torre, Francesco, Bartoloni, Elena, Del Giudice, Emanuela, Lomater, Claudia, Emmi, Giacomo, Govoni, Marcello, Maggio, Maria Cristina, Maier, Armin, Makowska, Joanna, Ogunjimi, Benson, Sfikakis, Petros P., Sfriso, Paolo, Gaggiano, Carla, Iannone, Florenzo, Dagostin, Marília A., Di Cola, Ilenia, Navarini, Luca, Ahmed Mahmoud, Ayman Abdelmonem, Cardinale, Fabio, Riccucci, Ilenia, Paroli, Maria Pia, Marucco, Elena Maria, Mattioli, Irene, Sota, Jurgen, Abbruzzese, Anna, Antonelli, Isabele P. B., Cipriani, Paola, Tufan, Abdurrahman, Fabiani, Claudia, Ramadan, Mustafa Mahmoud, Cattalini, Marco, Kardas, Riza Can, Sebastiani, Gian Domenico, Giardini, Henrique A. Mayrink, Hernández-Rodríguez, José, Mastrorilli, Violetta, Więsik-Szewczyk, Ewa, Frassi, Micol, Caggiano, Valeria, Telesca, Salvatore, Giordano, Heitor F., Guadalupi, Emmanuele, Giani, Teresa, Renieri, Alessandra, Colella, Sergio, Cataldi, Giulia, Gentile, Martina, Fabbiani, Alessandra, Al-Maghlouth, Ibrahim A., Frediani, Bruno, Balistreri, Alberto, Rigante, Donato, Cantarini, Luca
    Publicado 2022
    “…Currently, the platform counts 290 users (111 Principal Investigators, 175 Site Investigators, 2 Lead Investigators, and 2 data managers). …”
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    Development and Implementation of the AIDA International Registry for Patients With Still's Disease
  8. 768
    “…A COVID-19 impact questionnaire was administered electronically to principal investigators in June 2020. Text responses were analyzed thematically, and qualitative summaries were subsequently reviewed by five independent reviewers, who made iterative revisions. …”
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    The impact of COVID-19 on pragmatic clinical trials: lessons learned from the NIH Health Care Systems Research Collaboratory
  9. 769
    “…PARTICIPANTS: We involved 16 stakeholders from the international Multi-Stakeholder Engagement (MuSE) Consortium, including patients and the public, providers, payers of health services/purchasers, policy makers, programme managers, peer review editors, and principal investigators. APPROACH: We engaged stakeholders in factor development and as co-authors of this manuscript. …”
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    Factors to Consider During Identification and Invitation of Individuals in a Multi-stakeholder Research Partnership
  10. 770
    “…We will contact principal investigators of eligible studies to inquire about their willingness to contribute data. …”
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    Efficacy of alcohol reduction interventions among people with HIV as evaluated by self-report and a phosphatidylethanol (PEth) outcome: protocol for a systematic review and individual participant data meta-analysis
  11. 771
    “…BACKGROUND: Individual studies have suggested that some circulating fatty acids are associated with prostate cancer risk, but have not been large enough to provide precise estimates of associations, particularly by stage and grade of disease. METHODS: Principal investigators of prospective studies on circulating fatty acids and prostate cancer were invited to collaborate. …”
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    Circulating Fatty Acids and Prostate Cancer Risk: Individual Participant Meta-Analysis of Prospective Studies
  12. 772
    “…Individual-patient-level data (IPD) will be extracted from the identified trials through data-sharing platforms for pharmaceutical companies’ sponsored trials and by contacting principal investigators of independent investigator-initiated trials. …”
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    Efficacy of biological drugs in short-duration versus long-duration inflammatory bowel disease: a protocol for a systematic review and an individual-patient level meta-analysis of randomised controlled trials
  13. 773
    “…A total of 40 studies were deemed eligible for inclusion into our IPDMA set, and principal investigators from these studies were invited to participate in a meeting at the 2017 conference from the International Society on Thrombosis and Haemostasis. …”
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    Ruling out pulmonary embolism across different subgroups of patients and healthcare settings: protocol for a systematic review and individual patient data meta-analysis (IPDMA)
  14. 774
    “…We will invite the principal investigators of the identified studies to provide additional individual patient data. …”
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    Pre-post changes in main outcomes of medical rehabilitation in Germany: protocol of a systematic review and meta-analysis of individual participant and aggregated data
  15. 775
    “…DESIGN AND SETTING: An electronic questionnaire was sent to the principal investigators of an ongoing study (PERFORM (Personalised Risk assessment in Febrile illness to Optimise Real-life Management), www.perform2020.eu) in 11 European hospitals in eight countries: Austria, Germany, Greece, Latvia, the Netherlands, Slovenia, Spain and the UK. …”
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    Diversity in the emergency care for febrile children in Europe: a questionnaire study
  16. 776
    “…The questionnaire contained 225 questions distributed in 7 sections (identification of issues during registry planning, during the operation of the registry, during data analysis, during the publication of the results, other issues, assessment of lessons learnt, and additional comments), and was sent by e-mail to 511 people involved in the registry, including 28 members of the Scientific Advisory Board (SAB), 162 principal investigators (PIs), and 321 employees of the sponsor belonging to the medical department or that were clinical research associate (CRA). …”
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    The TOSCA Registry for Tuberous Sclerosis—Lessons Learnt for Future Registry Development in Rare and Complex Diseases
  17. 777
    “…Time and effort will be spent in contacting principal investigators of the original trials and encourage them to collaborate in this project by sharing their trial data. …”
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    Arthroscopic meniscectomy versus non-surgical or sham treatment in patients with MRI confirmed degenerative meniscus lesions: a protocol for an individual participant data meta-analysis
  18. 778
    “…Data collection team members received training in principles of ethics, consent, and crisis management, and were provided on-going support from local and international principal investigators and the study’s ethics advisor. CONCLUSION: The hostility and mistrust led to fear among the data collectors. …”
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    Community engagement and building trust to resolve ethical challenges during humanitarian crises: experience from the CAGED study
  19. 779
    “…Participants of the focus group discussion (n = 8) were GLOSS principal investigators (PIs) in Latin America. Interviewees (n = 63) were selected by the country GLOSS PIs in both Africa and Latin America, and included a diverse sample of participants involved in different aspects of study implementation. …”
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    ‘We always find things to learn from.’ Lessons from the implementation of the global maternal sepsis study on research capacity: a qualitative study
  20. 780
    “…METHODS AND ANALYSIS: We use a semiqualitative approach comprising weekly diarising of events and simultaneous staff surveys. Principal investigators will document changes at a metropolitan quaternary cancer centre and a regional cancer centre. …”
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    Semiqualitative research protocol to explore cancer care workforce perceptions of the health system response to COVID-19 preparations in Southeast Queensland, Australia
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