Intended for healthcare professionals

Education And Debate

Monitoring clinical trials—interim data should be publicly available

BMJ 2001; 323 doi: https://doi.org/10.1136/bmj.323.7310.441 (Published 25 August 2001) Cite this as: BMJ 2001;323:441

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: July 2003 to May 2022

Rendering graph...
AbstractFullPdf
Jul 200303638
Aug 200306427
Sep 2003011176
Oct 200305549
Nov 200304555
Dec 200304931
Jan 200404555
Feb 200403044
Mar 200406154
Apr 200405353
May 200408364
Jun 200408627
Jul 200408591
Aug 200407436
Sep 200422722
Oct 200472426
Nov 200463219
Dec 2004234420
Jan 2005105416
Feb 200583824
Mar 200574626
Apr 200542412
May 200521911
Jun 20054149
Jul 2005121813
Aug 200543213
Sep 200573524
Oct 2005138319
Nov 200555421
Dec 200513227
Jan 200635515
Feb 200664923
Mar 200663919
Apr 2006146026
May 200673712
Jun 2006144810
Jul 200642115
Aug 20065308
Sep 200612358
Oct 200643115
Nov 200623915
Dec 200624212
Jan 200765014
Feb 200776321
Mar 200725617
Apr 200785115
May 200705220
Jun 200735217
Jul 200733723
Aug 200712814
Sep 200732110
Oct 200702116
Nov 200779342
Dec 200715113
Jan 200832617
Feb 200825214
Mar 200825423
Apr 200824517
May 200885915
Jun 200836016
Jul 20080567
Aug 20081387
Sep 20082589
Oct 20083604
Nov 20085698
Dec 200824314
Jan 200916162
Feb 2009281310
Mar 200924173
Apr 200948133
May 200924154
Jun 200931132
Jul 200932135
Aug 20093391
Sep 200927121
Oct 200914104
Nov 200931169
Dec 200923154
Jan 20101181
Feb 201014115
Mar 20101673
Apr 201021110
May 20103592
Jun 201030716
Jul 201027126
Aug 201016127
Sep 2010332525
Oct 201059916
Nov 201026312
Dec 20101830
Jan 201136103
Feb 2011182204
Mar 2011872
Apr 20111223
May 20111424
Jun 20111320
Jul 2011962
Aug 20114144
Sep 2011992
Oct 20119161
Nov 20112115
Dec 2011052
Jan 20121822
Feb 2012510
Mar 2012400
Apr 2012674
May 2012741
Jun 2012361
Jul 2012621
Aug 20123543
Sep 2012400
Oct 20121121
Nov 20121652
Dec 2012332
Jan 2013510
Feb 2013310
Mar 2013430
Apr 2013300
May 2013553
Jun 2013520
Jul 2013622
Aug 2013821
Sep 2013567
Oct 2013500
Nov 20131051
Dec 20131610
Jan 20141200
Feb 2014531
Mar 201419103
Apr 20143100
May 20141930
Jun 20141751
Jul 20142154
Aug 2014652
Sep 2014210
Oct 2014431
Nov 2014400
Dec 20141300
Jan 20151230
Feb 2015521
Mar 20155113
Apr 20151012
May 201515330
Jun 20151810
Jul 20151221
Aug 20151121
Sep 20155621
Oct 201523220
Nov 2015249190
Dec 20154734
Jan 2016100
Feb 2016110
Mar 2016432
Apr 2016500
May 20161111
Jun 2016600
Jul 2016611
Aug 20161011
Sep 2016922
Oct 2016500
Nov 2016731
Dec 20161411
Jan 2017110
Feb 20171410
Mar 2017900
Apr 2017221
May 2017621
Jun 2017700
Jul 20171200
Aug 2017400
Sep 2017920
Oct 20171010
Nov 20171820
Dec 2017412
Jan 2018711
Feb 20181200
Mar 2018211
Apr 2018410
May 2018400
Jun 2018700
Jul 2018310
Aug 2018200
Sep 2018100
Oct 2018710
Nov 20181420
Dec 20181010
Jan 2019700
Feb 2019541
Mar 2019920
Apr 2019600
May 2019610
Jun 2019300
Jul 2019100
Aug 2019400
Sep 2019200
Oct 2019511
Nov 2019610
Dec 2019400
Jan 20201021
Feb 2020422
Mar 2020130
Apr 2020410
May 20205910
Jun 20201010
Jul 2020500
Aug 2020010
Sep 20203040
Oct 20202710
Nov 20202944
Dec 20201710
Jan 20212111
Feb 2021400
Mar 2021400
Apr 2021900
May 20211200
Jun 2021400
Jul 2021700
Aug 2021501
Sep 2021610
Oct 2021911
Nov 2021620
Dec 2021620
Jan 2022200
Feb 2022610
Mar 20221200
Apr 2022300
May 2022711
Total296537491810