Table 3

Vectors used for human gene therapy trials

Vector
Number of trials
Percentage of total trials

Adenovirus
331
24.7
Retrovirus
305
22.8
Vaccinia
91
6.8
Poxviruses
86
6.4
Adeno-associated virus
47
3.5
Herpes simplex virus
42
3.2
Nonviral
343
25.6
Other
93
7.0
Total
1,338
100

Sourced from [11].

Evans et al. Arthritis Research & Therapy 2008 10:110   doi:10.1186/ar2411