In terms of the IFN-γ SFC, 56.5% (13/23) of active BD patients and 25% (3/12) of inactive BD patients showed a response to these peptides with a mean SFC frequency of 12.6/2×105 (SD=5.0 / 2×105) and 11.3/2×105 (SD=4.2 / 2×105), respectively. This evidence concerns the gene IFNG and Behcet disease.