highly significantP < 0.001
Although it represented only <0.1% of the total proportion of CD4 + T cells, this rare circulating subset producing all four cytokines (IFNγ + , IL-17A + , GM-CSF + , IL-2 + ) showed a modest reduction as early as 12 weeks and a highly significant ( P < 0.001) reduction at weeks 28 and 52 after the start of therapy (Fig. 3d,h ).