Indeed, the weaning from anakinra remains an unresolved problem in the treatment of pericarditis, which still requires to be investigated and may be overcome in the future with the use of new IL-1R antagonists or systematic association with colchicine.8–10 Our patient still requires close follow-up to rule out future reappearance of a constrictive physiology. Here, IL1R1 is linked to pericarditis.