Advanced search
Publication Cover
Medical Informatics and the Internet in Medicine Volume 26, 2001 - Issue 3
Journal homepage
82
Views
34
CrossRef citations to date
0
Altmetric
Research Article

Evaluation of the usefulness of Internet searches to identify unpublished clinical trials for systematic reviews

Gunther Eysenbach, Jens Tuische, Thomas L. Diepgen Department of Clinical Social Medicine, University of Heidelberg, Bergheimer Str. 58, 69115 Heidelberg, GermanyCorrespondence[email protected]
Pages 203-218 | Published online: 12 Jul 2009

  • CHALMERS, I, 1993, The Cochrane collaboration: preparing, maintaining, and disseminating systematic reviews of the effect of health care. Ann N Y Acad Sci, 703, 156-163.
  • EASTERBROOK, P. J., BERLIN, J. A., GOPALAN, R. and MATTHEWS, D. R., 1991, Publication bias in clinical research [see comments]. Lancet, 337, 867-872.
  • EASTERBROOK, P. J. and MATTHEWS, D.R., 1992, Fate of research studies. JR Soc Med, 85, 71-76.
  • DICKERSIN, K., MIN, Y. I. and MEINERT, C. L., 1992, Factors influencing publication of research results. Follow-up of applications submitted to two institutional review boards [see comments]. JAMA, 267, 374-378.
  • SCHERER, R. W., DICKERSIN, K. and LANGENBERG, P., 1994, Full publication of results initially presented in abstracts. A meta-analysis [published erratum appears m JAMA (1994) 272, 1410]. JAMA, 272, 158-162.
  • EGGER, M. and SMITH, G. D., 1998, Bias in location and selection of studies. BMJ, 316, 61-66.
  • CLARKE, M. and OXMAN, A. D., editors, 1999, Cochrane Reviewers Handbook 4 [updated July 1999]. In: The Cochrane Library, Issue 4, (Oxford: Update Software), updated quarterly.
  • SUTTON, A. J., DUVAL, S. J., TWEEDIE, R. L., ABRAMS, K. R. and JONES, D. R., 2000, Empirical assessment of effect of publication bias on meta-analyses. BMJ, 320, 1574-1577.
  • ASSENDELFT, W. J., VAN TULDER, M. W., SCHOLTEN, R. J. and BOUTER, L. M., 1999, The practice of systematic reviews. II. Searching and selection of studies. Ned Tijdschr Geneeshd, 143, 656-661.
  • JEFFERSON, T. and JEFFERSON, V., 1996, The quest for trials on the efficacy of human vaccines. Results of the handsearch of Vaccine. Vaccine, 14, 461-464.
  • McMANUS, R. J., WILSON, S., DELANEY, B. C., FITZMAURICE, D. A., HYDE, C. J., TOBIAS, R. S., JOWETT, S. and HOBBS, F. D., 1998, Review of the usefulness of contacting other experts when conducting a literature search for systematic reviews. BMJ, 317, 1562-1563.
  • DICKERSIN, K., SCHERER, R. and LEFEBVRE, C., 1994, Identifying relevant studies for systematic reviews (see comments]. BMJ, 309, 1286-1291.
  • ROBERTS, L., AHMED, I. and HALL, S., 1998, Intercessory prayer for the alleviation of ill health (Cochrane Review). In: The Cochrane Library 2, (Oxford: Update Software), database on disk and CDROM.
  • Surfing Systematically -- Experience Of Searching The Internet. 1998, Symposium on Systematic Reviews: Beyond the basics. St John's College, Oxford, UK, 8th and 9th January 1998.
  • HERSH, W. R., GORMAN, P. N. and SACHEREK, L. S., 1998, Applicability and quality of information for answering clinical questions on the Web [letter]. JAMA, 280, 1307-1308.
  • ALLEN, E. S., BURKE, J. M., WELCH, M. E. and RIESEBERG, L. H., 1999, How reliable is science information on the Web? [letter; comment]. Nature, 402, 722.
  • EYSENBACH, G. and DIEPGEN, T. L., 1998, Towards quality management of medical information on the internet: evaluation, labelling, and filtering of information [see comments]. BMJ, 317, 14961501.
  • LAWRENCE, S. and GILES, C. L., 1998, Searching the world wide Web. Science, 280, 98-100.
  • LAWRENCE, S. and GILES, C. L., 1999, Accessibility of information on the web [see comments]. Nature, 400, 107-109.
  • HERSH, W. R., DETMER, W. M. and FRISSE, M. E., 2001, Information-Retrieval Systems. In Medical Informatics, edited by E. H. Shortliffe and L. E. Perreault (New York: Springer), pp. 539-572.
  • SUAREZ, H. H., HAO, X. and CHANG, I. F., 1997, Searching for information on the Internet using the UMLS and Medical World Search. Proc AMIA Anna Fall Symp, 824-828.
  • BAUJARD, O., BAUJARD, V., AUREL, S., BOYER, C. and APPEL, R. D., 1998, A multi-agent softbot to retrieve medical information on Internet. Medinfo, 9, 150-154.
  • MERCER, B. M., MIODOVNIK, M., THURNAU, G. R., GOLDENBERG, R. L., DAS, A. F., RAMSEY, R. D., RABELLO, Y. A., MEIS, P. J., MOAWAD, A. H., IAMS, J. D., et al., 1997, Antibiotic therapy for reduction of infant morbidity after preterm premature rupture of the membranes. A randomized controlled trial. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network (see comments). JAMA, 278, 989-995.
  • HERINCKX, H. A., KINNEY, R. F., CLARKE, G. N. and PAULSON, R. I., 1997, Assertive community treatment versus usual care in engaging and retaining clients with severe mental illness. Psychiatry Serv, 48, 1297-1306.
  • FORD, M. E., HAVSTAD, S. L., TILLEY, B. C. and BOLTON, M. B., 1997, Health outcomes among African American and Caucasian adults following a randomized trial of an asthma education program. Ethn Health, 2, 329-339.
  • BOWLER, S. D., GREEN, A. and MITCHELL, C. A., 1998, Buteyko breathing techniques in asthma: a blinded randomised controlled trial [see comments]. Med J Aust, 169, 575-578.
  • JENKINSON, C., DAVIES, R. J., MULLINS, R. and STRADLING, J. R., 1999, Comparison of therapeutic and subtherapeutic nasal continuous positive airway pressure for obstructive sleep apnoea: a randomised prospective parallel trial [see comments]. Lancet, 353, 2100-2105.
  • SALKEVER, D., DOMINO, M. E., BURNS, B. J., SANTOS, A. B., DECI, P. A., DIAS, J., WAGNER, H. R., FALDOWSKI, R. A. and PAOLONE, J., 1999, Assertive community treatment for people with severe mental illness: the effect on hospital use and costs. Health Serv Res, 34, 577-601.
  • JADAD, A. R., HAYNES, R. B., HUNT, D. L. and BROWMAN, G. P., 2000, The Internet and evidencebased decision-making: a needed synergy for efficient knowledge management in health care. CMAJ, 162, 362-365.
  • EYSENBACH, G., 1999, Use of the World-Wide-Web to identify unpublished evidence for systematic reviews - the future role of the Internet to improve information identification. [Abstract] VII Cochrane Colloquium, Rome, Italy, October 5-9, 1999 (Abstracts Book), p. 18.
  • SIMES, R. J., 1986, Publication bias: the case for an international registry of clinical trials. J Clin Oncol, 4, 1529-1541.
  • 33. CHALMERS, I., DICKERSIN, K. and CHALMERS, T. C., 1992, Getting to grips with Archie Cochrane's agenda [editorial] [see comments]. BMJ, 305, 786-788.
  • CHALMERS, I., GRAY, M. and SHELDON, T., 1995, Handling scientific fraud. Prospective registration of health care research would help [letter; comment]. BMJ, 311, 262.
  • HORTON, R. and SMITH, R., 1999, Time to register randomised trials. The case is now unanswerable [editorial]. BMJ, 319, 865-866.
  • TONKS, A., 1999, Registering clinical trials. BMJ, 319, 1565-1568.
  • PEARN, J., 1995, Publication: an ethical imperative [see comments]. BMJ, 310, 1313-1315.
  • McCRAY, A. T. and IDE, N. C., 2000, Design and implementation of a national clinical trials registry. J Am Med Inform Assoc, 7, 313-323.
  • SIM, I., 1997, Trial banks: An informatics foundation for evidence-based medicine. (Stanford, CA, USA: Stanford University).

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Order Reprints Request Corporate Permissions

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

Request Academic Permissions

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.

Related research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.