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Bartels M, van der Velden J, Pielkenrood B, Gerlich S, Bras M, Verlaan J, Monninkhof E, Peters M, van der Linden Y, Verkooijen H. OC-0407 Quality of Life after Palliative Radiotherapy for Bone Metastases: Analysis of the PRESENT-cohort. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)06894-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Young-Afat DA, Gal R, Gerlich S, Burbach JPM, van der Velden JM, van den Bongard DHJG, Intven MPW, Kasperts N, May AM, van der Graaf R, van Gils CH, Verkooijen HM. Oncology patients were found to understand and accept the Trials within Cohorts design. J Clin Epidemiol 2020; 130:135-142. [PMID: 33130236 DOI: 10.1016/j.jclinepi.2020.10.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 09/24/2020] [Accepted: 10/22/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND AND OBJECTIVE The Trials within Cohorts design aims to reduce recruitment difficulties and disappointment bias in pragmatic trials. On cohort enrollment, broad informed consent for randomization is asked, after which cohort participants can be randomized to interventions or serve as controls without further notification. We evaluated patients' recollection, understanding, and acceptance of broad consent in a clinical oncology setting. METHODS We surveyed 610 patients with cancer participating in ongoing TwiCs; 482 patients (79%) responded, of which 312 patients shortly after cohort enrollment, 108 patients after randomization to an intervention (12-18 months after cohort enrollment), and a random sample of 62 cohort participants who had not been selected for interventions (1-6 months after cohort enrollment). RESULTS Shortly after providing cohort consent, 76% of patients (238/312) adequately remembered whether they had given broad consent for randomization. Of patients randomly offered interventions, 76% (82/108) remembered giving broad consent for randomization; 41% (44/108) understood they were randomly selected, 44% (48/108) were not interested in selection procedures, and 10% (11/108) did not understand selection was random. Among patients not selected for interventions, 42% (26/62) understood selection was random; 89% felt neutral regarding the scenario of "not being selected for an intervention while your data were being used in comparison with patients receiving interventions," 10% felt reassured (6/62) and 2% scared/insecure (2/62). CONCLUSION Patients adequately remember giving broad consent for randomization shortly after cohort enrollment and after being offered an intervention, but recollection is lower in those never selected for interventions. Patients are acceptant of serving as control without further notifications.
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Affiliation(s)
- Danny A Young-Afat
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands; Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands.
| | - Roxanne Gal
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands; Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Sophie Gerlich
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Joanne M van der Velden
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Martijn P W Intven
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Nicolien Kasperts
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Anne M May
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Rieke van der Graaf
- Department of Medical Humanities, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Carla H van Gils
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands; Utrecht University, Utrecht, The Netherlands
| | - Helena M Verkooijen
- Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands; Utrecht University, Utrecht, The Netherlands
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Métillon V, Gerlich S, Brune M, Raimond JM, Rouchon P, Dotsenko I. Benchmarking Maximum-Likelihood State Estimation with an Entangled Two-Cavity State. Phys Rev Lett 2019; 123:060404. [PMID: 31491182 DOI: 10.1103/physrevlett.123.060404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Indexed: 06/10/2023]
Abstract
The efficient quantum state reconstruction algorithm described by Six et al. [Phys. Rev. A 93, 012109 (2016)PLRAAN2469-992610.1103/PhysRevA.93.012109] is experimentally implemented on the nonlocal state of two microwave cavities entangled by a circular Rydberg atom. We use information provided by long sequences of measurements performed by resonant and dispersive probe atoms over timescales involving the system decoherence. Moreover, we benefit from the consolidation, in the same reconstruction, of different measurement protocols providing complementary information. Finally, we obtain realistic error bars for the matrix elements of the reconstructed density operator. These results demonstrate the pertinence and precision of the method, directly applicable to any complex quantum system.
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Affiliation(s)
- V Métillon
- Laboratoire Kastler Brossel, Collège de France, CNRS, ENS-PSL University, Sorbonne Université, 11 place Marcelin Berthelot, F-75231 Paris, France
| | - S Gerlich
- Laboratoire Kastler Brossel, Collège de France, CNRS, ENS-PSL University, Sorbonne Université, 11 place Marcelin Berthelot, F-75231 Paris, France
| | - M Brune
- Laboratoire Kastler Brossel, Collège de France, CNRS, ENS-PSL University, Sorbonne Université, 11 place Marcelin Berthelot, F-75231 Paris, France
| | - J M Raimond
- Laboratoire Kastler Brossel, Collège de France, CNRS, ENS-PSL University, Sorbonne Université, 11 place Marcelin Berthelot, F-75231 Paris, France
| | - P Rouchon
- Centre Automatique et Systèmes, Mines-ParisTech, PSL Research University, 60 Boulevard Saint-Michel, 75006 Paris, France
- INRIA Paris, 2 rue Simone Iff, 75012 Paris, France
| | - I Dotsenko
- Laboratoire Kastler Brossel, Collège de France, CNRS, ENS-PSL University, Sorbonne Université, 11 place Marcelin Berthelot, F-75231 Paris, France
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Relton C, Burbach M, Collett C, Flory J, Gerlich S, Holm S, Hunn A, Kim SY, Kwakkenbos L, May A, Nicholl J, Young-Afat D, Treweek S, Uher R, van Staa T, van der Velden J, Verkooijen H, Vickers A, Welch S, Zwarenstein M, Zwarenstein M, Kim S, Flory J, Goodman Z, Holm S, Treweek S, Gerlich S, May AM, Young-Afat DA, Burbach JP, van Gils CH, van der Graaf R, Verkooijen HM, Coates LC, Tillett W, Torgerson D, McHugh N, Taylor P, Brown L, Heaven A, Young J, Clegg A, Chatfield K, Uher R, May AM, Gal R, Monninkhof EM, Afat DAY, van Gils CH, Groenwold RHH, Verkooijen HM, Vickers A, Kwakkenbos L, Carrier ME, Thombs BD, van der Velden JM, Gerlich AS, Verlaan JJ, Verkooijen HM, Couwenberg AM, Groenwold RHH, van der Graaf R, Burbach JPM, van der Velden JM, May AM, Verkooijen HM, Peckham E, Crossland S, Hughes T, O’Connor A, Sargent I, Gilbody S. The ethics of ‘Trials within Cohorts’ (TwiCs): 2nd international symposium. Trials 2017. [PMCID: PMC5547452 DOI: 10.1186/s13063-017-1961-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Versteeg A, van der Velden J, Verkooijen H, Eppinga W, Kasperts N, Gerlich S, Oner C, van Vulpen M, Verlaan JJ. Stereotactic body radiotherapy followed by surgery for unstable spinal metastases: Technical feasibility and safety study according to the IDEAL stages 1 and 2a. Int J Surg 2016. [DOI: 10.1016/j.ijsu.2016.11.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kala SV, Harris SE, Freijo TD, Gerlich S. Validation of Analysis of Amphetamines, Opiates, Phencyclidine, Cocaine, and Benzoylecgonine in Oral Fluids by Liquid Chromatography-Tandem Mass Spectrometry. J Anal Toxicol 2008; 32:605-11. [DOI: 10.1093/jat/32.8.605] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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