ACTA1 and triple-A syndrome: Stabilization of expanding AAA by CsA was associated with a higher number of αSMA-positive cells in the intima/thrombus, 7 weeks after drug withdrawal (αSMA-positive cells per mm2: 7583±1313 vs 4137±1513 in CsA - and vehicle-treated rats, respectively, P = .017) (Figure 5A).