Table 1

Randomised controlled trials of HIV prevention with HIV incidence as an outcome for sexual transmission

Intervention
Individual or cluster randomization
RCTs completed or stopped
RCTs showing efficacy
RCTs ongoing


Individual
2
0
0


[3,24]


Behavior change (abstinence/delay, sex partner reduction, counseling and testing, condoms, diaphragms, microfinance)


Cluster
5
0
2


[15,25-28]

[29,30]

Male Circumcision
Individual
4 1
3
0


[5-7,31]
[5-7]


Microbicides
Individual
9
0
3


[32-40]

[41-43]

Oral pre-exposure prophylaxis (PrEP)
Individual
1
0
4


[35]

[44-47]

HIV Treatment
Individual
0
0
1




[48]


Individual
3
0
1


[1,2,14]

[49]
STI Treatment


Cluster
4
1
0


[8,15,16,50]
[8]


HIV Vaccines
Individual
4
0
1


[4,51-53]

[54]

All Interventions

312
4
12

1 The trial which did not show efficacy was of the impact of male circumcision on female HIV acquisition

2 Total = 31 trials because study [15] is shown twice, under behavior change and STI treatment

Weiss et al. Emerging Themes in Epidemiology 2008 5:8   doi:10.1186/1742-7622-5-8