Table 3.
Summary of HIV vaccine trials and outcomes.
| Author | Vaccine trial (randomised-placebo controlled | Vaccine type | Sample size | Population | Phase | Intended immune response | Results |
|---|---|---|---|---|---|---|---|
| Flynn et al; 2005 [73] | VAX004 | Protein: rgp120 | 5400 | Mostly high-risk MSM | III | Antibodies, CD4+ T cells | 6% (-17 to 24) |
| Pitisuttithum et al; 2006 [74] | VAX003 | Protein: rgp120 | 2500 | Injection drug users | III | Antibodies, CD4+ T cells | 0.1% ( -30.8 to 23.8) |
| Rerks-Ngarm et al; 2009 [78] | RV144 | Pox/protein: ALVAC/grp120 | 16,403 | Low risk heterosexuals | III | Antibodies, CD4+ & CD8 T cells | 31% (1.1-52.1) |
| Buchbinder, SP et al; 2008 [75] | HVTN 502/Merck 023 (STEP) | Adenovirus type 5 (Ad5) gag/pol/nef | 3000 | High risk MSM, heterosexual men and women | IIb | CD8+ & CD4+ T cells | HR 1.2 (0.6-2.2) |
| Gray et al; 2011b [76] | HVTN 503 (Phambili) | Ad5 gag/pol/nef | 801; original target of 3000 | Heterosexual men and women | IIb | CD8+ & CD4+ T cells | HR 1·25 (0·76-2·05) |
| Hammer, S 2013 [79] | HVTN 505 | DNA-Ad5 gag/pol/nef/env | 2504 | High risk MSM | IIb | Antibodies, CD4+ & CD8+ T cells | -25% (-121.2 to 29.3) |