Sentence: To compare the therapeutic effect of α(2 ) and α(4 ) integrin-blocking antibodies to conventional inflammatory bowel disease drugs methotrexate , 5-aminosalicylic acid and azathioprine in the dextran sulphate sodium mouse colitis model .
Drug combination annotation:
[{'class': 'POS', 'spans': ['methotrexate', '5-aminosalicylic acid', 'azathioprine'], 'is_context_needed': True}]