Sentence: Treatment with PUVA ( psoralen-ultraviolet-A ) combined with 40 - -80 mg prednisolone and then with chemotherapy [ COPP regimen ( cyclophosphamide , vincristine , procarbacine , prednisone ) , high-dosage methotrexate followed by citrovorum factor rescue ] was not successful .
Drug combination annotation:
[{'class': 'NEG', 'spans': ['prednisolone', 'cyclophosphamide', 'vincristine', 'prednisone', 'methotrexate', 'psoralen-ultraviolet-A', 'procarbacine', 'citrovorum'], 'is_context_needed': False}]