From: Registration of published randomized trials: a systematic review and meta-analysis
Reference | Medical specialty | Time period for RCT publication | Identification of trials | Journals (N) | Trials (N) | Assessment of registration | Registries searched | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reporting | Search | CT.gov | ISRCTN | WHO ICTRP | ANZCTR | National registries | |||||||
Ostervig [59] | Anesthesiology | 2009–2014 | Single journal | 1 | 200 | Yes | Yes | No | Yes | Yes | No | No | Yes |
Jones [49] | Anesthesiology | 2007; 2010; 2013; 2010 | Selection of high IF journals | 6 | 860 | Yes | Yes | Yes | Yes | Yes | Yes | No | No |
Nankervis [56] | Atopic dermatitis | 01/2007–07/2011 | SR of eczema RCTs | – | 109 | Yes | Yes | No | No | No | Yes | No | No |
Mathieu [22] | Cardiology, rheumatology, gastroenterology | 2008 | SR of RCTs in cardiology, rheumatology, and gastroenterology | 22 | 323 | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
Wiebe [71] | Cardio-thoracic surgery | 2008–2015 | Selection of high IF journals | 4 | 287 | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
Cardiovascular disease | 12/2012 | SR of cardiovascular disease RCTs | – | 191 | Yes | Yes | No | No | No | Yes | No | No | |
Cybulski [37] | Clinical psychology | 2013 | Selection of high IF journals | 25 | 101 | Yes | Yes | Yes | Yes | No | Yes | No | No |
Anand [32] | Critical care | 01/2005–08/2011 | SR of RCTs in critical care | – | 90 | Yes | Yes | Yes | Yes | No | No | Yes | No |
Shinohara [66] | Depression | 2011–2013 | SR of RCTs of cognitive behavioral therapy and new-generation antidepressants | – | 170 | Yes | No | Yes | Unclear | ||||
Jones [48] | Emergency medicine | 2008–2011 | Selection of high IF journals | 5 | 123 | Yes | Yes | No | Yes | Yes | Yes | No | No |
Fertility medicine | 2010–2014 | SR of RCTs of fertility treatments | NA | 693 | Yes | Yes | Yes | Yes | No | Yes | No | No | |
Li [52] | Gastroenterology and hepatology | 2009–2012 | Selection of high IF journals | 10 | 305 | Yes | Yes | No | Yes | Yes | Yes | Yes | No |
Mann [53] | Geriatrics | 2008–2012 | Selection of high IF journals | 5 | 220 | Yes | Yes | No | No | No | Yes | No | No |
McGee [54] | Kidney transplantation | 10/2005–12/2010 | SR of kidney transplantation RCTs | – | 307 | No | Yes | No | No | No | Yes | No | No |
Gray [46] | Nursing | 11/2011–09/2016 | Key general and mental health journals in nursing | 3 | 135 | Yes | Yes | Yes | Yes | Yes | No | No | Yes |
Byrne [36] | Obesity | 01/2011–06/2016 | Selection of specialty journals | 4 | 223 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Oncology | 2005–2009 | Journals thought to publish majority of oncology RCTs | 10 | 366 | Yes | Yes | No | Yes | Yes | No | No | No | |
Smail-Faugeron [68] | Oral health | 2013 | Selection of high IF journals | 15 | 317 | Yes | Yes | No | No | No | Yes | No | No |
Hamm [21] | Pediatrics | 2007 | SR of pediatric RCTs | – | 300 | Yes | Yes | No | Yes | Yes | Yes | No | Yes |
Gates [45] | Pediatrics | 2012 | SR of pediatric RCTs | – | 300 | Yes | Yes | No | Yes | Yes | No | No | No |
Rosati [64] | Pediatrics | 07/2013–11/2013 | Single journal | 1 | 20 | Yes | Yes | No | Yes | Yes | No | Yes | Yes |
Pinto [61] | Physical therapy | 2009 | Indexed in PEDro | – | 200 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Pidgeon [60] | Plastic surgery | 04/2014–03/2015 | Selection of high IF journals | 3 | 24 | No | Yes | No | Yes | Yes | Yes | No | No |
Scott [65] | Psychiatry | 2009–2013 | Selection of high IF journals | 5 | 181 | Yes | Yes | Yes | Yes | Yes | No | No | Yes |
Milette [55] | Psychosomatic and behavioral medicine | 01/2008–09/2009 | Selection of high IF journals | 4 | 63 | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
Riehm [63] | Psychosomatic and behavioral medicine | 01/2013–10/2014 | Selection of high IF journals | 4 | 76 | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
Bradley [35] | Psychotherapy | 2010–2014 | Selection of high IF journals | 5 | 112 | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
Sims [67] | Shoulder arthroplasty | 2005–2015 | SR of shoulder arthroplasty RCTs | 10 | 37 | Yes | Yes | Yes | Yes | Yes | Yes | No | No |
Killeen [50] | Surgery | 2009–2010 | Selection of high IF journals | 10 | 246 | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
Hardt [47] | Surgery | 06/2012–12/2012 | Selection of high IF journals | 10 | 103 | Yes | Yes | No | No | No | Yes | No | No |
Kunath [51] | Urology | 2009 | Selection of high IF journals | 10 | 106 | Yes | Yes | No | No | No | Yes | No | No |
Potentially overlapping studies | |||||||||||||
Bonnot [34] | Anesthesiology | 2013 | Selection of high IF journals | 12 | 183 | Yes | Yes | Yes | No | No | Yes | No | No |
El-Boghdadly [41] | Anesthesiology | 01/201412/2016 | Single journal | 1 | 90 | Yes | Yes | No | Yes | Yes | No | Yes | Yes |
Norris [57] | Diabetes, osteoporosis, lip-modifying agents | 2005–2010 | Comparative effectiveness reviews | – | 299 | No | Yes | No | No | No | Yes | No | No |
Dekkers [40] | Multiple | 2004–2012 | Trial protocols submitted to ethics committee | – | 54 | Yes | Yes | No | No | No | Yes | No | No |
Dechartres [38] | Multiple | 2006–2014 | Cochrane reviews | – | 322 | Yes | Yes | Yes | Yes | No | Yes | No | No |
Dekkers [39] | Multiple | 02/2009 | SR of non-inferiority RCTs in Core Clinical Journals | 121 | 133 | Yes | Yes | No | Yes | Yes | No | No | No |
Reveiz [62] | Multiple | 2010 | SR of RCTs from Latin America and Caribbean | – | 526 | No | Yes | No | No | No | Yes | No | No |
Van de Wetering [70] | Multiple | 11/2010 | Core Clinical Journals | 121 | 302 | Yes | Yes | Yes | Yes | Yes | Yes | No | No |
Walker [69] | Multiple | 05/2011–05/2012 | Selection of high IF journals | 2 | 76 | Yes | Yes | No | Yes | Yes | No | No | Yes |