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Table 4 Retention of HIVIS-03 trial volunteers

From: Experiences on recruitment and retention of volunteers in the first HIV vaccine trial in Dar es Salam, Tanzania - the phase I/II HIVIS 03 trial

Volunteers who were:

Total

Males

Females

p-value*

 

n (%)

n (%)

n (%)

 

Randomized

79

57

22

 

Exited after Randomization

19 (24.1%)

12 (21.1%)

7 (31.8%)

0.32

Enrolled

60

45

15

 

Vaccination Visits

    

Received 1st DNA/Placebo

60 (100%)

45 (100%)

15 (100%)

-

Received 2nd DNA/Placebo

60 (100%)

45 (100%)

15 (100%)

-

Received 3rd DNA/Placebo

59 (98.3%)

44 (97.8%)

15 (100%)

0.99

Received 1st MVA/Placebo

50 (83.3%)

41 (91.1%)

9 (60%)

0.02

Received 2nd MVA/Placebo

42 (70%)

37 (82.2%)

5 (33.3%)

0.002

Safety and Immunogenicity visits

    

2 weeks post 2nd DNA/Placebo

60 (100%)

45 (100%)

15 (100%)

-

2 weeks post 3rd DNA/Placebo

59 (98.3%)

44 (97.8%)

15 (100%)

0.99

2 weeks post 1st MVA/Placebo

50 (83.3%)

41 (91.1%)

9 (60%)

0.02

8 weeks post 1st MVA/Placebo

50 (83.3%)

41 (91.1%)

9 (60%)

0.02

24 weeks post 1st MVA/Placebo

42 (70%)

37 (82.2%)

5 (33.3%)

0.002

2 weeks post 2nd MVA/Placebo

42 (70%)

37 (82.2%)

5 (33.3%)

0.002

4 weeks post 2nd MVA/Placebo

42 (70%)

37 (82.2%)

5 (33.3%)

0.002

24 weeks post 2nd MVA/Placebo

40 (66.7%)

35 (77.8%)

5 (33.3%)

0.002

  1. *p-values from Chi square or Fisher’s exact test.