On November 18, 2025, the Food and Drug Administration approved epcoritamab-bysp (Epkinly, Genmab US, Inc.) with lenalidomide and rituximab for relapsed or refractory follicular lymphoma (FL). The FDA also granted traditional approval to epcoritamab-bysp as monotherapy for relapsed or refractory FL after two or more lines of systemic therapy (epcoritamab-bysp was granted accelerated approval for this indication in 2024).