[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - DrugsIntervention group: receive 10 cc of the same 2.5% chitosan syrup (250\u2009mg pharmacological grade chitosan) during the day, for 2 weeks.All syrups are prepared by the Barij Essence Pharmaceutical Co., Kashan, Iran.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group: Participants in the control group will receive 10 cc of identical placebo syrup (CMC with the same viscosity of chitosan syrup) during the day, for 2 weeks. All syrups are prepared by the Barij Essence Pharmaceutical Co., Kashan, Iran.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": 273, "treatment_name": "Chitosan", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - DrugsIntervention group: Participants in the intervention group will receive an identical chitosan tablet (containing 300\u2009mg pharmacological grade chitosan) three times a day, before breakfast, lunch, and dinner, for 2 weeks.All tablets are prepared by the Barij Essence Pharmaceutical Co., Kashan, Iran.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group: Participants in the control group will receive an identical placebo tablet (300\u2009mg microcrystalline cellulose ) three times a day, before breakfast, lunch, and dinner, for 2 weeks. All tablets are prepared by the Barij Essence Pharmaceutical Co., Kashan, Iran.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}]