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[{"arm_notes": null, "treatment_id": 1135, "treatment_name": "Ruxolitinib", "treatment_type": "Kinase inhibitors", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": null, "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]