Sentence: Multiple ongoing clinical trials are currently evaluating the role of immune checkpoint inhibitors in ACC ( pembrolizumab , combination pembrolizumab and relacorilant , nivolumab , combination nivolumab and ipilimumab ) .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['pembrolizumab', 'relacorilant'], 'is_context_needed': True}, {'class': 'COMB', 'spans': [4, 5], 'is_context_needed': True}]