Quality of the supportive and palliative oncology literature: A focused analysis on randomized controlled trials

Supportive Care in Cancer

Volumn 20, Issue 8, 2012, Pages 1779-1785

  Hui, David ^a   Arthur, Joseph ^a   Dalal, Shalini ^a   Bruera, Eduardo ^a  

^a UNIVERSITY OF TEXAS MD ANDERSON CANCER CENTER   (United States)

Author keywords

Jadad score; Literature; Neoplasms; Palliative care; Quality. CONSORT checklist

Indexed keywords

ARTICLE; CANCER PALLIATIVE THERAPY; CLINICAL RESEARCH; DRUG INDUSTRY; FUNDING; HEALTH CARE QUALITY; HUMAN; INTENTION TO TREAT ANALYSIS; MEDICAL DOCUMENTATION; MEDICAL LITERATURE; PRIORITY JOURNAL; SAMPLE SIZE; SCORING SYSTEM; SYSTEMATIC REVIEW;

BIBLIOMETRICS; HUMANS; NEOPLASMS; PALLIATIVE CARE; PUBLISHING; QUALITY CONTROL; RANDOMIZED CONTROLLED TRIALS AS TOPIC; RESEARCH DESIGN; STATISTICS, NONPARAMETRIC;

EID: 84863986027     PISSN: 09414355     EISSN: 14337339     Source Type: Journal    
DOI: 10.1007/s00520-011-1275-9     Document Type: Article

References (39)

1. Als-Nielsen B, Chen W, Gluud C, Kjaergard LL (2003) Association of funding and conclusions in randomized drug trials: a reflection of treatment effect or adverse events? JAMA 290 (7):921-928
2. Altman DG, Moher D, Schulz KF (2002) Peer review of statistics in medical research. Reporting power calculations is important. BMJ 325 (7362):491, author reply 491
3. Balasubramanian SP, Wiener M, Alshameeri Z, Tiruvoipati R, Elbourne D, Reed MW (2006) Standards of reporting of randomized controlled trials in general surgery: can we do better? Ann Surg 244 (5):663-667
4. Begg C, Cho M, Eastwood S, Horton R, Moher D, Olkin I, Pitkin R, Rennie D, Schulz KF, Simel D, Stroup DF (1996) Improving the quality of reporting of randomized controlled trials. The CONSORT statement. JAMA 276 (8):637-639
5. Bekelman JE, Li Y, Gross CP (2003) Scope and impact of financial conflicts of interest in biomedical research: a systematic review. JAMA 289 (4):454-465
6. Booth CM, Cescon DW, Wang L, Tannock IF, Krzyzanowska MK (2008) Evolution of the randomized controlled trial in oncology over three decades. J Clin Oncol 26 (33):5458-5464
7. Brown A, Kraft D, Schmitz SM, Sharpless V, Martin C, Shah R, Shaheen NJ (2006) Association of industry sponsorship to published outcomes in gastrointestinal clinical research. Clin Gastroenterol Hepatol 4 (12):1445-1451
8. Chan AW, Hrobjartsson A, Jorgensen KJ, Gotzsche PC, Altman DG (2008) Discrepancies in sample size calculations and data analyses reported in randomised trials: comparison of publications with protocols. BMJ 337:a2299
9. Charles P, Giraudeau B, Dechartres A, Baron G, Ravaud P (2009) Reporting of sample size calculation in randomised controlled trials: review. BMJ 338:b1732
10. Freedman KB, Back S, Bernstein J (2001) Sample size and statistical power of randomised, controlled trials in orthopaedics. J Bone Joint Surg Br 83 (3):397-402
11. CONSORT Checklist. http://www.consort-statement.org/home/.Accessed 7 May 2011
12. Hertzog MA (2008) Considerations in determining sample size for pilot studies. Res Nurs Health 31 (2):180-191
13. Hui D, Elsayem A, De la Cruz M, Berger A, Zhukovsky DS, Palla S, Evans A, Fadul N, Palmer JL, Bruera E (2010) Availability and integration of palliative care at US cancer centers. JAMA 303 (11):1054-1061
14. Hui D, Parsons HA, Damani S, Fulton S, Liu J, Evans A, De La Cruz M, Bruera E (2011) Quantity, design, and scope of the palliative oncology literature. Oncologist 16 (5):694-703
15. Jadad AR, Moore RA, Carroll D, Jenkinson C, Reynolds DJ, Gavaghan DJ, McQuay HJ (1996) Assessing the quality of reports of randomized clinical trials: is blinding necessary? Control Clin Trials 17 (1):1-12
16. Kaptchuk TJ (2001) The double-blind, randomized, placebocontrolled trial: gold standard or golden calf? J Clin Epidemiol 54 (6):541-549
17. Khan SN, Mermer MJ, Myers E, Sandhu HS (2008) The roles of funding source, clinical trial outcome, and quality of reporting in orthopedic surgery literature. Am J Orthop 37 (12):E205-E212, discussion E212
18. Lai R, Chu R, Fraumeni M, Thabane L (2006) Quality of randomized controlled trials reporting in the primary treatment of brain tumors. J Clin Oncol 24 (7):1136-1144
19. Lathyris DN, Patsopoulos NA, Salanti G, Ioannidis JP (2010) Industry sponsorship and selection of comparators in randomized clinical trials. Eur J Clin Invest 40 (2):172-182
20. Moher D, Dulberg CS, Wells GA (1994) Statistical power, sample size, and their reporting in randomized controlled trials. JAMA 272 (2):122-124
21. Moher D, Jones A, Lepage L, Group C (2001) Use of the CONSORT statement and quality of reports of randomized trials: a comparative before-and-after evaluation. JAMA 285 (15):1992-1995
22. Moher D, Schulz KF, Altman D, Group C (2001) The CONSORT statement: revised recommendations for improving the quality of reports of parallel-group randomized trials. JAMA285 (15):1987-1991
23. Montedori A, Bonacini MI, Casazza G, Luchetta ML, Duca P, Cozzolino F, Abraha I (2011) Modified versus standard intentionto- treat reporting: are there differences in methodological quality, sponsorship, and findings in randomized trials? A cross-sectional study Trials 12:58
24. Mulward S, Gotzsche PC (1996) Sample size of randomized double-blind trials 1976-1991. Dan Med Bull 43 (1):96-98
25. O'Hara J (2008) How I do it: sample size calculations. Clin Otolaryngol 33 (2):145-149
26. Payne SA, Turner JM (2008) Research methodologies in palliative care: a bibliometric analysis. Palliat Med 22 (4):336-342
27. Rains JC, Penzien DB (2005) Behavioral research and the doubleblind placebo-controlled methodology: challenges in applying the biomedical standard to behavioral headache research. Headache 45 (5):479-486
28. Rinck GC, van den Bos GA, Kleijnen J, de Haes HJ, Schade E, Veenhof CH (1997) Methodologic issues in effectiveness research on palliative cancer care: a systematic review. J Clin Oncol 15 (4):1697-1707
29. Rios LP, Odueyungbo A, Moitri MO, Rahman MO, Thabane L (2008) Quality of reporting of randomized controlled trials in general endocrinology literature. J Clin Endocrinol Metab 93 (10):3810-3816
30. Rohrig B, du Prel JB, Wachtlin D, Kwiecien R, Blettner M (2010) Sample size calculation in clinical trials: part 13 of a series on evaluation of scientific publications. Dtsch Arztebl Int 107 (31- 32):552-556
31. Rose SL, Krzyzanowska MK, Joffe S (2010) Relationships between authorship contributions and authors' industry financial ties among oncology clinical trials. J Clin Oncol 28 (8):1316-1321
32. Schulz KF, Grimes DA (2005) Sample size calculations in randomised trials: mandatory and mystical. Lancet 365 (9467):1348-1353
33. Sinha S, Ashby E, Jayaram R, Grocott MP (2009) Quality of reporting in randomized trials published in high-quality surgical journals. J Am Coll Surg 209 (5):565-571, e561
34. Sladek R, Tieman J, Fazekas BS, Abernethy AP, Currow DC (2006) Development of a subject search filter to find information relevant to palliative care in the general medical literature. J Med Libr Assoc 94 (4):394-401
35. Thomas O, Thabane L, Douketis J, Chu R, Westfall AO, Allison DB (2008) Industry funding and the reporting quality of large long-term weight loss trials. Int J Obes 32 (10):1531-1536
36. Tieman J, Sladek R, Currow D (2008) Changes in the quantity and level of evidence of palliative and hospice care literature: the last century. J Clin Oncol 26 (35):5679-5683
37. Toulmonde M, Bellera C, Mathoulin-Pelissier S, Debled M, Bui B, Italiano A (2011) Quality of randomized controlled trials reporting in the treatment of sarcomas. J Clin Oncol 29 (9):1204-1209
38. Van Zundert J (2007) Clinical research in interventional pain management techniques: the clinician's point of view. Pain Pract 7 (3):221-229
39. Vansant AF (2003) The dilemma of the small sample size. Pediatr Phys Ther 15 (3):145