Efficacy and Safety of the RD Regimen(Lenalidomide, Dexamethasone) for Rosai-Dorfman Disease

The combination therapy period consists of 12 cycles: Lenalidomide: 25mg, orally, D1-21, every 28 days per cycle. Combined with Dexamethasone: 40mg, orally, D1, 8, 15, 22, every 28 days per cycle. The single-agent maintenance period consists of 12 cycles: Lenalidomide: 25mg, orally, D1-21, every 28 days per cycle. The total treatment duration is 24 cycles or until disease progression, death, or the occurrence of intolerable toxicity.

The combination therapy period consists of 12 cycles: Lenalidomide: 25mg, orally, D1-21, every 28 days per cycle. Combined with Dexamethasone: 40mg, orally, D1, 8, 15, 22, every 28 days per cycle. The single-agent maintenance period consists of 12 cycles: Lenalidomide: 25mg, orally, D1-21, every 28 days per cycle. The total treatment duration is 24 cycles or until disease progression, death, or the occurrence of intolerable toxicity.