Table 1. T cell responses to AAV in intramuscular gene transfer trials.
Serotype | Transgene | Route | Dose (vg) | Capsid T cell reactivity |
Transgene expression in muscle biopsies |
Reference (ClinicalTrials.gov ID#) |
---|---|---|---|---|---|---|
AAV1 | Gamma sarcoglycan | IM | 3×109 | 0/3 | 0/3 | Herson et al., Brain 2012 (NCT01344798) |
1.5×1010 | 0/3 | 0/3 | ||||
4.5×1010 | 1/3 | 3/3 | ||||
AAV1 | Alpha sarcoglycan | IM | 3.25×1011 | 1/3 | 3/3 | Mendell et al., Ann Neurol 2009 (NCT00494195) |
3.25×1011 | 2/3 | 2/3 | Mendell et al., Ann Neurol 2010 (NCT00494195) | |||
AAV1 | Acid-alpha glucosi-dase | IM (diaphragm) | 1×1012 | 0/3 ([H3] prolif.) | N/A | Smith et al., Hum Gene Ther 2013 (NCT00976352) |
5×1012 | 0/2 ([H3] prolif.) | N/A | ||||
AAV2.5 | Minidystrophin | IM | 6×1011 | 1/2 (IS) | 0/2 | Bowles et al., Mol Ther 2012 Mendell et al., NEJM 2009 (NCT00428935) |
3×1012 | 0/2 | 1/2 | ||||
3×1012 6.6×1012 capsid particles | 0/2 (immunosup-pression, IS) | 1/2 | ||||
AAV1 | Follistatin | IM | 2.1×1012 | 1/3 | 2/2 | Mendell et al., Mol Ther 2015 (NCT01519349) |
4.2×1012 | 3/3 | 2/2 | ||||
AAV1 | Lipoprotein lipase | IM | 7.0×1012 | 2/4 | 2/3 | Mingozzi et al., Blood 2009 |
2.1×1013 | 3/6 | 3/6 | ||||
2.1×1013 | 1/4 (IS) | 1/2 | Ferreira et al. , Front immunol 2014 (NCT01109498; NCT00891306) | |||
7.0×1013 | 4/13 (IS) | 6/8 | ||||
AAV1 | Alpha-1 Antitrypsin | IM | 6.9×1012 | N/A | 0/3* | Brantly et al., PNAS 2009 (NCT00430768) |
2.2×1013 | 2/2 | Transient* | ||||
6.0×1013 | 3/3 | 3/3* | ||||
4.2×1013 | 3/3 | 1/3* | Flotte et al., Hum Gene Ther 2012 Mueller et al. , J Clin Invest 2013 (NCT01054339) | |||
1.3×1014 | 3/3 | 2/3* | ||||
4.2×1014 | 3/3 | 3/3* |