Sentence: Clinical efficacy of immunochemotherapy with rituximab , fludarabine and mitoxantrone followed by 2-monthly rituximab maintenance was evaluated in 29 patients with previously untreated follicular lymphoma in a prospective phase II trial ( AGMT-NHL9 ) .
Drug combination annotation:
[{'class': 'POS', 'spans': ['rituximab', 'fludarabine', 'mitoxantrone'], 'is_context_needed': True}]