scholarly journals Can randomised trials rely on existing electronic data? A feasibility study to explore the value of routine data in health technology assessment

2003 ◽  
Vol 7 (26) ◽  
Author(s):  
J Williams ◽  
W Cheung ◽  
D Cohen ◽  
H Hutchings ◽  
M Longo ◽  
...  
2015 ◽  
Vol 19 (11) ◽  
pp. 1-138 ◽  
Author(s):  
James Raftery ◽  
Amanda Young ◽  
Louise Stanton ◽  
Ruairidh Milne ◽  
Andrew Cook ◽  
...  

BackgroundBy 2011, the Health Technology Assessment (HTA) programme had published the results of over 100 trials with another 220 in progress. The aim of the project was to develop and pilot ‘metadata’ on clinical trials funded by the HTA programme.ObjectivesThe aim of the project was to develop and pilot questions describing clinical trials funded by the HTA programme in terms of it meeting the needs of the NHS with scientifically robust studies. The objectives were to develop relevant classification systems and definitions for use in answering relevant questions and to assess their utility.Data sourcesPublished monographs and internal HTA documents.Review methodsA database was developed, ‘populated’ using retrospective data and used to answer questions under six prespecified themes. Questions were screened for feasibility in terms of data availability and/or ease of extraction. Answers were assessed by the authors in terms of completeness, success of the classification system used and resources required. Each question was scored to be retained, amended or dropped.ResultsOne hundred and twenty-five randomised trials were included in the database from 109 monographs. Neither the International Standard Randomised Controlled Trial Number nor the term ‘randomised trial’ in the title proved a reliable way of identifying randomised trials. Only limited data were available on how the trials aimed to meet the needs of the NHS. Most trials were shown to follow their protocols but updates were often necessary as hardly any trials recruited as planned. Details were often lacking on planned statistical analyses, but we did not have access to the relevant statistical plans. Almost all the trials reported on cost-effectiveness, often in terms of both the primary outcome and quality-adjusted life-years. The cost of trials was shown to depend on the number of centres and the duration of the trial. Of the 78 questions explored, 61 were well answered, 33 fully with 28 requiring amendment were the analysis updated. The other 17 could not be answered with readily available data.LimitationsThe study was limited by being confined to 125 randomised trials by one funder.ConclusionsMetadata on randomised controlled trials can be expanded to include aspects of design, performance, results and costs. The HTA programme should continue and extend the work reported here.FundingThe National Institute for Health Research HTA programme.


2017 ◽  
Vol 21 (81) ◽  
pp. 1-68 ◽  
Author(s):  
Naeem Soomro ◽  
Jan Lecouturier ◽  
Deborah D Stocken ◽  
Jing Shen ◽  
Ann Marie Hynes ◽  
...  

Background There is uncertainty around the appropriate management of small renal tumours. Treatments include partial nephrectomy, ablation and active surveillance. Objectives To explore the feasibility of a randomised trial of ablation versus active surveillance. Design Two-stage feasibility study: stage 1 – clinician survey and co-design work; and stage 2 – randomised feasibility study with qualitative and economic components. Methods Stage 1 – survey of radiologists and urologists, and development of patient information materials. Stage 2 – patients identified across eight UK centres with small renal tumours (< 4 cm) were randomised (1 : 1 ratio) to ablation or active surveillance in an unblinded manner. Randomisation was carried out by a central computer system. The primary objective was to determine willingness to participate and to randomise a target of 60 patients. The qualitative and economic data were collected separately. Results The trial was conducted across eight centres, with a site-specific period of recruitment ranging from 3 to 11 months. Of the 154 patients screened, 36 were eligible and were provided with study details. Seven agreed to be randomised and one patient was found ineligible following biopsy results. Six patients (17% of those eligible) were randomised: three patients received ablation and no serious adverse events were recorded. The 3- and 6-month data were collected for four (67%) and three (50%) out of the six patients, respectively. The qualitative substudy identified factors directly impacting on the recruitment of this trial. These included patient and clinician preferences, organisational factors (variation in clinical pathway) and standard treatment not included. The health economic questionnaire was designed and piloted; however, the sample size of recruited patients was insufficient to draw a conclusion on the feasibility of the health economics. Conclusions The trial did not meet the criteria for progression and the recruitment rate was lower than hypothesised, demonstrating that a full trial is presently not possible. The qualitative study identified factors that led to variation in recruitment across the sites. Implementation of organisational and operational measures can increase recruitment in any future trial. There was insufficient information to conduct a full economic analysis. Trial registration Current Controlled Trials ISRCTN31161700. Funding This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 21, No. 81. See the NIHR Journals Library website for further project information.


2018 ◽  
Vol 22 (52) ◽  
pp. 1-96 ◽  
Author(s):  
Freddie C Hamdy ◽  
Daisy Elliott ◽  
Steffi le Conte ◽  
Lucy C Davies ◽  
Richéal M Burns ◽  
...  

Background Prostate cancer (PCa) is the most common cancer in men in the UK. Patients with intermediate-risk, clinically localised disease are offered radical treatments such as surgery or radiotherapy, which can result in severe side effects. A number of alternative partial ablation (PA) technologies that may reduce treatment burden are available; however the comparative effectiveness of these techniques has never been evaluated in a randomised controlled trial (RCT). Objectives To assess the feasibility of a RCT of PA using high-intensity focused ultrasound (HIFU) versus radical prostatectomy (RP) for intermediate-risk PCa and to test and optimise methods of data capture. Design We carried out a prospective, multicentre, open-label feasibility study to inform the design and conduct of a future RCT, involving a QuinteT Recruitment Intervention (QRI) to understand barriers to participation. Setting Five NHS hospitals in England. Participants Men with unilateral, intermediate-risk, clinically localised PCa. Interventions Radical prostatectomy compared with HIFU. Primary outcome measure The randomisation of 80 men. Secondary outcome measures Findings of the QRI and assessment of data capture methods. Results Eighty-seven patients consented to participate by 31 March 2017 and 82 men were randomised by 4 May 2017 (41 men to the RP arm and 41 to the HIFU arm). The QRI was conducted in two iterative phases: phase I identified a number of barriers to recruitment, including organisational challenges, lack of recruiter equipoise and difficulties communicating with patients about the study, and phase II comprised the development and delivery of tailored strategies to optimise recruitment, including group training, individual feedback and ‘tips’ documents. At the time of data extraction, on 10 October 2017, treatment data were available for 71 patients. Patient characteristics were similar at baseline and the rate of return of all clinical case report forms (CRFs) was 95%; the return rate of the patient-reported outcome measures (PROMs) questionnaire pack was 90.5%. Centres with specific long-standing expertise in offering HIFU as a routine NHS treatment option had lower recruitment rates (Basingstoke and Southampton) – with University College Hospital failing to enrol any participants – than centres offering HIFU in the trial context only. Conclusions Randomisation of men to a RCT comparing PA with radical treatments of the prostate is feasible. The QRI provided insights into the complexities of recruiting to this surgical trial and has highlighted a number of key lessons that are likely to be important if the study progresses to a main trial. A full RCT comparing clinical effectiveness, cost-effectiveness and quality-of-life outcomes between radical treatments and PA is now warranted. Future work Men recruited to the feasibility study will be followed up for 36 months in accordance with the protocol. We will design a full RCT, taking into account the lessons learnt from this study. CRFs will be streamlined, and the length and frequency of PROMs and resource use diaries will be reviewed to reduce the burden on patients and research nurses and to optimise data completeness. Trial registration Current Controlled Trials ISRCTN99760303. Funding This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 22, No. 52. See the NIHR Journals Library website for further project information.


2008 ◽  
Vol 19 (4) ◽  
pp. 253-269 ◽  
Author(s):  
Sabine Heel ◽  
Sonja Fischer ◽  
Stefan Fischer ◽  
Tobias Grässer ◽  
Ellen Hämmerling ◽  
...  

Zunächst führt dieser Artikel in die wesentlichen Begrifflichkeiten und Zielstellungen der Versorgungsforschung ein. Er befasst sich dann mit der Frage, wie die einzelnen Teildisziplinen der Versorgungsforschung, (1) die Bedarfsforschung, (2) die Inanspruchnahmeforschung, (3) die Organisationsforschung, (4) das Health Technology Assessment, (5) die Versorgungsökonomie, (6) die Qualitätsforschung und zuletzt (7) die Versorgungsepidemiologie konzeptionell zu fassen sind, und wie sie für neuropsychologische Anliegen ausformuliert werden müssen. In diesem Zusammenhang werden die in den einzelnen Bereichen jeweils vorliegenden versorgungsrelevanten Studienergebnisse referiert. Soweit es zulässig ist, werden Bedarfe für die Versorgungsforschung und Versorgungspraxis in der Neurorehabilitation daraus abgeleitet und Anregungen für die weitere empirische Forschung formuliert. Der Artikel bezieht sich – entsprechend seines Anliegens – ausschließlich auf Studien, die sich mit der Situation der deutschen Neurorehabilitation befassen.


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