Published in Contemp Clin Trials on February 07, 2006
Integrated Multidisciplinary Patient and Family Advance Care Planning Trial (IMPACT) | NCT03609658
Can simply answering research questions change behaviour? Systematic review and meta analyses of brief alcohol intervention trials. PLoS One (2011) 2.80
Impact of vitamin A supplementation on infant and childhood mortality. BMC Public Health (2011) 1.69
Neonatal vitamin A supplementation for prevention of mortality and morbidity in infancy: systematic review of randomised controlled trials. BMJ (2009) 1.51
In randomization we trust? There are overlooked problems in experimenting with people in behavioral intervention trials. J Clin Epidemiol (2013) 1.45
Ethical challenges in cluster randomized controlled trials: experiences from public health interventions in Africa and Asia. Bull World Health Organ (2009) 1.07
Intervention mapping as a guide for the development of a diabetes peer support intervention in rural Alabama. Prev Chronic Dis (2012) 1.07
Alcohol email assessment and feedback study dismantling effectiveness for university students (AMADEUS-1): study protocol for a randomized controlled trial. Trials (2012) 1.03
Cohort Multiple Randomised Controlled Trials (cmRCT) design: efficient but biased? A simulation study to evaluate the feasibility of the Cluster cmRCT design. BMC Med Res Methodol (2016) 0.96
Patient preferences and performance bias in a weight loss trial with a usual care arm. Patient Educ Couns (2014) 0.89
Efficacy of acupuncture for chronic knee pain: protocol for a randomised controlled trial using a Zelen design. BMC Complement Altern Med (2012) 0.87
One-year effectiveness of a 3-week balneotherapy program for the treatment of overweight or obesity. Evid Based Complement Alternat Med (2012) 0.84
Population-based outreach versus care as usual to prevent suicide attempt: study protocol for a randomized controlled trial. Trials (2016) 0.84
Conflicts among multinational ethical and scientific standards for clinical trials of therapeutic interventions. J Law Med Ethics (2012) 0.82
Clinical research methodology I: introduction to randomized trials. J Am Coll Surg (2008) 0.82
Alternation as a form of allocation for quality improvement studies in primary healthcare settings: the on-off study design. Trials (2015) 0.79
Patient education in chronic heart failure in primary care (ETIC) and its impact on patient quality of life: design of a cluster randomised trial. BMC Fam Pract (2014) 0.77
The effect of using assessment instruments on substance-abuse outpatients' adherence to treatment: a multi-centre randomised controlled trial. BMC Health Serv Res (2011) 0.77
Parenteral nutrition at the palliative phase of advanced cancer: the ALIM-K study protocol for a randomized controlled trial. Trials (2014) 0.76
Treatment of Brain AVMs (TOBAS): study protocol for a pragmatic randomized controlled trial. Trials (2015) 0.76
Dealing with missing outcomes: lessons from a randomized trial of a prenatal intervention to prevent early childhood caries. Open Dent J (2010) 0.75
Impact of patient education on chronic heart failure in primary care (ETIC): a cluster randomised trial. BMC Fam Pract (2016) 0.75
Impact of the Early Start Denver Model on the cognitive level of children with autism spectrum disorder: study protocol for a randomised controlled trial using a two-stage Zelen design. BMJ Open (2017) 0.75
Protocol of the "As du Coeur" study: a randomized controlled trial on physical activity maintenance in cardiovascular patients. BMC Cardiovasc Disord (2016) 0.75
MEDIACONNEX: a multicenter randomised trial based on short message service to reduce suicide attempt recurrence in adolescents. BMC Psychiatry (2016) 0.75
Exceptions to the rule of informed consent for research with an intervention. BMC Med Ethics (2016) 0.75
A qualitative study exploring the acceptability of the McNulty-Zelen design for randomised controlled trials evaluating educational interventions. BMC Fam Pract (2015) 0.75
Changing the default for tobacco-cessation treatment in an inpatient setting: study protocol of a randomized controlled trial. Trials (2017) 0.75
Systematic review of stepped wedge cluster randomized trials shows that design is particularly used to evaluate interventions during routine implementation. J Clin Epidemiol (2011) 4.17
Randomised controlled trial of calcium and supplementation with cholecalciferol (vitamin D3) for prevention of fractures in primary care. BMJ (2005) 4.04
Increasing recruitment to randomised trials: a review of randomised controlled trials. BMC Med Res Methodol (2006) 3.82
Submission to multiple journals: a method of reducing time to publication? BMJ (2005) 3.76
Vitamin K and the prevention of fractures: systematic review and meta-analysis of randomized controlled trials. Arch Intern Med (2006) 3.05
Larval therapy for leg ulcers (VenUS II): randomised controlled trial. BMJ (2009) 2.45
There are some circumstances where the stepped-wedge cluster randomized trial is preferable to the alternative: no randomized trial at all. Response to the commentary by Kotz and colleagues. J Clin Epidemiol (2012) 2.38
Database recruitment: a solution to poor recruitment in randomized trials? Fam Pract (2010) 2.22
Dietary protein and bone health: a systematic review and meta-analysis. Am J Clin Nutr (2009) 2.08
Adequacy and reporting of allocation concealment: review of recent trials published in four general medical journals. BMJ (2005) 2.00
Effect of regression to the mean on decision making in health care. BMJ (2003) 1.91
Methodological bias in cluster randomised trials. BMC Med Res Methodol (2005) 1.91
Setting priorities for research. Health Policy (2004) 1.61
Educating nursing home staff on fracture prevention: a cluster randomised trial. Age Ageing (2007) 1.54
Randomized controlled trial of hip protectors among women living in the community. Osteoporos Int (2004) 1.53
Long-term follow-up for mortality and cancer in a randomized placebo-controlled trial of vitamin D(3) and/or calcium (RECORD trial). J Clin Endocrinol Metab (2011) 1.52
Cluster randomized controlled trials. J Eval Clin Pract (2005) 1.51
Bias in identifying and recruiting participants in cluster randomised trials: what can be done? BMJ (2009) 1.44
Economics notes: Converting international cost effectiveness data to UK prices. BMJ (2002) 1.43
Is there another way to take account of noncompliance in randomized controlled trials? CMAJ (2006) 1.38
Yoga for chronic low back pain: a randomized trial. Ann Intern Med (2011) 1.36
Reporting attrition in randomised controlled trials. BMJ (2006) 1.30
Active exercise, education, and cognitive behavioral therapy for persistent disabling low back pain: a randomized controlled trial. Spine (Phila Pa 1976) (2007) 1.29
Regression to the mean: treatment effect without the intervention. J Eval Clin Pract (2005) 1.28
Is restricted randomisation necessary? BMJ (2006) 1.17
Sample size calculations for pilot randomized trials: a confidence interval approach. J Clin Epidemiol (2012) 1.08
The impact of trial baseline imbalances should be considered in systematic reviews: a methodological case study. J Clin Epidemiol (2007) 1.02
Assessing the impact of attrition in randomized controlled trials. J Clin Epidemiol (2010) 1.01
Public health and bovine tuberculosis: what's all the fuss about? Trends Microbiol (2009) 1.00
Cost effectiveness analysis of larval therapy for leg ulcers. BMJ (2009) 0.99
Resource use data by patient report or hospital records: do they agree? BMC Health Serv Res (2002) 0.98
Ethics review in research: research governance also delays research. BMJ (2004) 0.98
Randomised controlled trial of food elimination diet based on IgG antibodies for the prevention of migraine like headaches. Nutr J (2011) 0.96
Randomized trial of a brief physiotherapy intervention compared with usual physiotherapy for neck pain patients: cost-effectiveness analysis. Int J Technol Assess Health Care (2006) 0.95
Randomised controlled trial of hip protectors for the prevention of second hip fractures. Age Ageing (2003) 0.95
A pragmatic multicentered randomized controlled trial of yoga for chronic low back pain: economic evaluation. Spine (Phila Pa 1976) (2012) 0.95
Publicity does not increase recruitment to falls prevention trials: the results of two quasi-randomized trials. J Clin Epidemiol (2009) 0.94
Retrospective cohort study highlighted outcome reporting bias in UK publicly funded trials. J Clin Epidemiol (2011) 0.92
Increasing response rates to postal questionnaires. Effect of incentives on response rates must be considered. BMJ (2002) 0.91
Electronic reminders did not improve postal questionnaire response rates or response times: a randomized controlled trial. J Clin Epidemiol (2011) 0.90
A randomised controlled trial to assess the effectiveness of offering study results as an incentive to increase response rates to postal questionnaires [ISRCTN26118436]. BMC Med Res Methodol (2005) 0.90
Methods to assess cost-effectiveness and value of further research when data are sparse: negative-pressure wound therapy for severe pressure ulcers. Med Decis Making (2012) 0.89
Health care costs of women with symptomatic vertebral fractures. Bone (2004) 0.89
Environmental assessment and modification to prevent falls in older people. J Am Geriatr Soc (2011) 0.88
A systematic review of the effects of calcium supplementation on body weight. Br J Nutr (2006) 0.88
A randomized trial comparing a group exercise programme for back pain patients with individual physiotherapy in a severely deprived area. Disabil Rehabil (2005) 0.88
Using short information leaflets as recruitment tools did not improve recruitment: a randomized controlled trial. J Clin Epidemiol (2011) 0.87
Economic evaluations of interventions for the prevention and treatment of osteoporosis: a structured review of the literature. Osteoporos Int (2005) 0.86
Listen to the data when results are not significant. BMJ (2008) 0.85
A pilot randomised controlled trial of negative pressure wound therapy to treat grade III/IV pressure ulcers [ISRCTN69032034]. Trials (2012) 0.85
The quality of trials in operative surgery. Ann Surg (2007) 0.80
Diabetes education: Selection bias in cluster trial. BMJ (2008) 0.80
Oral treatments for fungal infections of the skin of the foot. Cochrane Database Syst Rev (2012) 0.80
How to perform a critical analysis of a randomised controlled trial. Best Pract Res Clin Rheumatol (2009) 0.80
Producing better evidence on how to improve randomised controlled trials. BMJ (2015) 0.79
Potential for technical errors and subverted allocation can be reduced if certain guidelines are followed: examples from a web-based survey. J Clin Epidemiol (2008) 0.79
Prior notification of trial participants by newsletter increased response rates: a randomized controlled trial. J Clin Epidemiol (2012) 0.79
Cost-effectiveness of cryotherapy versus salicylic acid for the treatment of plantar warts: economic evaluation alongside a randomised controlled trial (EVerT trial). J Foot Ankle Res (2012) 0.78
Brief Intervention in Type 1 diabetes - Education for Self-efficacy (BITES): Protocol for a randomised control trial to assess biophysical and psychological effectiveness. BMC Endocr Disord (2007) 0.78
Hydroxychloroquine effectiveness in reducing symptoms of hand osteoarthritis (HERO): study protocol for a randomized controlled trial. Trials (2013) 0.77
Increasing response rates to postal questionnaires. Changing layout of questionnaires increases response rates. BMJ (2002) 0.75
Efficacy of a Sexual Assault Resistance Program for University Women. N Engl J Med (2015) 0.75
Regarding the systematic review of hip protectors undertaken by Waldegger et al. Osteoporos Int (2003) 0.75
Randomise foundation trusts. BMJ (2003) 0.75
Missing data from missing participants. J Pain Symptom Manage (2012) 0.75
Using dietetic assistants to improve the outcome of hip fracture. Age Ageing (2006) 0.75
Short-term opioids for breathlessness in stable chronic heart failure: a randomized controlled trial. Eur J Heart Fail (2011) 0.75
A controlled trial of envelope colour for increasing response rates in older women. Aging Clin Exp Res (2010) 0.75
The need for randomized controlled trials in podiatric medical research. J Am Podiatr Med Assoc (2004) 0.75
Individual allocation had an advantage over cluster randomization in statistical efficiency in some circumstances. J Clin Epidemiol (2008) 0.75
Randomized trial within a trial of yellow 'post-it notes' did not improve questionnaire response rates among participants in a trial of treatments for neck pain. J Eval Clin Pract (2014) 0.75