[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Celecoxib;Famotidine", "treatment_type": "Drug;Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": 1991, "treatment_name": "Celecoxib+famotidine", "treatment_type": "Non-steroidal anti-inflammatory+others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]