[{"arm_notes": "nan", "treatment_id": 779, "treatment_name": "Melatonin", "treatment_type": "Central nervous system agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Placebo (Methylcellulose) capsule", "treatment_type": "Other", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "10 mg dose three times a day for 14 days", "treatment_id": 779, "treatment_name": "Melatonin", "treatment_type": "Central nervous system agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "Opaque gelatin capsules three times daily for 14 days ", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]