A Randomized Controlled Study of the Efficacy and Safety of Lenalidomide in the Treatment of Active IgG4-related Disease

Lenalidomide 5mg/d combined with prednisone, prednisone at an initial dose of 0.6-0.8mg/kg/d for 2-4 weeks, then reduced by 5mg every 1-2 weeks until discontinued (within 24 weeks)

Lenalidomide 10mg/ day combined with prednisone, prednisone at an initial dose of 0.6-0.8mg/kg/ day for 2-4 weeks, then reduced by 5mg every 1-2 weeks until discontinued (within 24 weeks)

The initial dose of prednisone was 0.6-0.8mg/kg/ day for 2-4 weeks, followed by 5mg every 1-2 weeks until withdrawal (within 24 weeks).