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Volume 55, Issue 5
Methods used to maintain a high level of participant involvement in a clinical trial
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Theory and methods
Methods used to maintain a high level of participant involvement in a clinical trial
Online download statistics by month:
Online download statistics by month: April 2001 to March 2025
Abstract
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Pdf
Apr 2001
53
59
13
May 2001
15
15
0
Jun 2001
9
12
1
Jul 2001
12
11
6
Aug 2001
7
16
11
Sep 2001
7
17
5
Oct 2001
2
11
1
Nov 2001
4
5
3
Dec 2001
2
9
1
Jan 2002
3
12
5
Feb 2002
5
16
1
Mar 2002
1
7
2
Apr 2002
3
13
8
May 2002
5
8
1
Jun 2002
1
3
1
Jul 2002
4
10
8
Aug 2002
1
13
8
Sep 2002
1
7
4
Oct 2002
5
8
2
Nov 2002
3
9
3
Dec 2002
1
5
2
Jan 2003
2
10
1
Feb 2003
0
11
8
Mar 2003
1
15
8
Apr 2003
0
13
9
May 2003
3
13
5
Jun 2003
4
5
7
Jul 2003
9
11
3
Aug 2003
4
12
4
Sep 2003
9
19
6
Oct 2003
10
19
8
Nov 2003
8
16
1
Dec 2003
9
17
6
Jan 2004
12
18
1
Feb 2004
9
15
0
Mar 2004
16
21
7
Apr 2004
13
19
2
May 2004
41
58
4
Jun 2004
48
47
7
Jul 2004
48
50
3
Aug 2004
42
51
6
Sep 2004
30
44
4
Oct 2004
13
22
5
Nov 2004
8
17
9
Dec 2004
12
21
4
Jan 2005
15
20
6
Feb 2005
10
23
11
Mar 2005
11
20
12
Apr 2005
7
20
17
May 2005
5
17
9
Jun 2005
5
15
5
Jul 2005
7
15
6
Aug 2005
4
11
14
Sep 2005
4
13
8
Oct 2005
9
15
11
Nov 2005
6
21
8
Dec 2005
12
13
8
Jan 2006
8
12
5
Feb 2006
3
9
8
Mar 2006
5
6
5
Apr 2006
6
7
13
May 2006
14
15
14
Jun 2006
14
6
6
Jul 2006
9
6
7
Aug 2006
6
8
6
Sep 2006
5
6
5
Oct 2006
12
12
16
Nov 2006
12
17
12
Dec 2006
8
12
13
Jan 2007
2
7
12
Feb 2007
7
15
23
Mar 2007
11
23
17
Apr 2007
13
2
11
May 2007
14
4
9
Jun 2007
10
5
4
Jul 2007
11
7
7
Aug 2007
12
8
5
Sep 2007
7
2
1
Oct 2007
15
12
11
Nov 2007
16
6
10
Dec 2007
7
6
4
Jan 2008
22
3
2
Feb 2008
7
5
5
Mar 2008
7
5
7
Apr 2008
10
4
4
May 2008
12
3
7
Jun 2008
10
1
2
Jul 2008
18
2
4
Aug 2008
17
3
11
Sep 2008
16
5
3
Oct 2008
12
0
1
Nov 2008
15
1
1
Dec 2008
6
3
4
Jan 2009
9
4
4
Feb 2009
11
5
5
Mar 2009
13
1
0
Apr 2009
6
8
1
May 2009
10
1
2
Jun 2009
14
1
0
Jul 2009
11
9
1
Aug 2009
11
2
0
Sep 2009
13
2
3
Oct 2009
12
4
1
Nov 2009
7
3
0
Dec 2009
15
1
2
Jan 2010
5
2
3
Feb 2010
9
2
2
Mar 2010
20
3
3
Apr 2010
4
2
3
May 2010
9
12
5
Jun 2010
9
1
4
Jul 2010
10
0
2
Aug 2010
15
2
4
Sep 2010
9
1
2
Oct 2010
7
0
1
Nov 2010
22
3
7
Dec 2010
8
5
3
Jan 2011
10
3
3
Feb 2011
9
3
2
Mar 2011
13
3
4
Apr 2011
4
2
1
May 2011
11
5
5
Jun 2011
11
2
2
Jul 2011
10
0
0
Aug 2011
11
2
0
Sep 2011
6
1
0
Oct 2011
10
6
2
Nov 2011
18
7
2
Dec 2011
8
6
2
Jan 2012
13
7
7
Feb 2012
12
4
4
Mar 2012
5
2
9
Apr 2012
10
7
3
May 2012
10
16
11
Jun 2012
8
16
14
Jul 2012
8
11
6
Aug 2012
8
12
9
Sep 2012
6
6
6
Oct 2012
21
22
9
Nov 2012
22
14
12
Dec 2012
16
10
6
Jan 2013
19
21
7
Feb 2013
11
5
3
Mar 2013
12
22
6
Apr 2013
10
9
4
May 2013
12
6
6
Jun 2013
1
8
1
Jul 2013
6
4
1
Aug 2013
3
5
2
Sep 2013
6
5
4
Oct 2013
13
5
0
Nov 2013
13
6
3
Dec 2013
6
12
1
Jan 2014
1
6
1
Feb 2014
7
9
2
Mar 2014
9
16
6
Apr 2014
10
13
2
May 2014
15
8
3
Jun 2014
1
9
1
Jul 2014
8
4
1
Aug 2014
2
7
1
Sep 2014
2
12
6
Oct 2014
3
14
2
Nov 2014
7
9
0
Dec 2014
8
6
2
Jan 2015
6
8
1
Feb 2015
2
3
3
Mar 2015
7
10
1
Apr 2015
8
7
3
May 2015
3
6
2
Jun 2015
14
9
3
Jul 2015
5
11
4
Aug 2015
2
12
2
Sep 2015
10
11
6
Oct 2015
2
1
1
Nov 2015
3
6
2
Dec 2015
10
5
5
Jan 2016
6
4
1
Feb 2016
2
5
2
Mar 2016
5
6
5
Apr 2016
24
5
5
May 2016
9
8
9
Jun 2016
8
6
3
Jul 2016
8
4
5
Aug 2016
4
2
0
Sep 2016
10
7
3
Oct 2016
11
14
4
Nov 2016
8
9
1
Dec 2016
6
12
1
Jan 2017
6
9
1
Feb 2017
2
8
2
Mar 2017
2
8
1
Apr 2017
2
13
0
May 2017
7
12
6
Jun 2017
11
10
3
Jul 2017
7
6
1
Aug 2017
6
6
3
Sep 2017
16
14
1
Oct 2017
14
8
3
Nov 2017
27
21
4
Dec 2017
29
19
6
Jan 2018
16
14
0
Feb 2018
23
23
5
Mar 2018
29
19
0
Apr 2018
30
29
4
May 2018
46
38
7
Jun 2018
33
30
2
Jul 2018
27
23
3
Aug 2018
29
27
10
Sep 2018
41
41
105
Oct 2018
58
56
57
Nov 2018
65
65
54
Dec 2018
35
33
70
Jan 2019
33
32
4
Feb 2019
47
47
5
Mar 2019
45
44
9
Apr 2019
65
61
15
May 2019
32
32
12
Jun 2019
51
45
9
Jul 2019
36
36
12
Aug 2019
56
54
3
Sep 2019
56
52
8
Oct 2019
73
61
11
Nov 2019
60
60
9
Dec 2019
73
73
9
Jan 2020
80
80
8
Feb 2020
86
83
17
Mar 2020
73
73
4
Apr 2020
75
69
6
May 2020
52
50
7
Jun 2020
26
25
7
Jul 2020
36
36
4
Aug 2020
37
35
4
Sep 2020
49
47
3
Oct 2020
67
67
14
Nov 2020
71
71
7
Dec 2020
37
33
6
Jan 2021
51
46
1
Feb 2021
47
43
16
Mar 2021
63
63
8
Apr 2021
58
56
3
May 2021
119
76
11
Jun 2021
60
62
7
Jul 2021
55
54
8
Aug 2021
51
51
18
Sep 2021
43
43
9
Oct 2021
65
63
24
Nov 2021
15
15
13
Dec 2021
16
14
2
Jan 2022
17
14
2
Feb 2022
36
32
12
Mar 2022
49
47
7
Apr 2022
41
41
5
May 2022
39
39
8
Jun 2022
62
54
4
Jul 2022
36
36
2
Aug 2022
50
45
12
Sep 2022
57
54
10
Oct 2022
75
69
7
Nov 2022
35
33
5
Dec 2022
33
33
2
Jan 2023
44
44
8
Feb 2023
60
56
5
Mar 2023
37
33
9
Apr 2023
48
49
11
May 2023
57
58
7
Jun 2023
43
39
4
Jul 2023
44
41
6
Aug 2023
31
30
5
Sep 2023
60
60
4
Oct 2023
45
43
2
Nov 2023
60
47
4
Dec 2023
78
7
3
Jan 2024
48
10
6
Feb 2024
13
1
0
Mar 2024
34
1
0
Apr 2024
42
2
1
May 2024
35
4
5
Jun 2024
45
4
4
Jul 2024
45
0
1
Aug 2024
58
3
0
Sep 2024
31
1
0
Oct 2024
14
3
2
Nov 2024
33
1
1
Dec 2024
18
0
0
Jan 2025
17
3
1
Feb 2025
6
2
0
Mar 2025
1
1
0
Total
5943
5318
1734
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