Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Efficacy and Safety of Iota-Carrageenan Nasal Spray 1.2 g/l (0.12 Percent) (Bisolviral) Versus Placebo Nasal Spray in the Early Treatment of Common Cold
Brief Summary: The aim of this clinical trial is to investigate the effect of Iota-Carrageenan treatment on cold symptoms. The effect of treatment on the duration of the cold and the patients viral load plus cytokine level indicating the inflammatory response will be analyzed.


Options:
A: Arm Label: Povidone-Iodine 0.2% (BETADINE®); Type: EXPERIMENTAL; Interventions: Drug: Gargle/Mouthwash | Arm Label: Hydrogen peroxide 1% (ActiveOxy); Type: EXPERIMENTAL; Interventions: Drug: Gargle/Mouthwash | Arm Label: Neem extract (Azadirachta indicia); Type: ACTIVE_COMPARATOR; Interventions: Drug: Gargle/Mouthwash | Arm Label: Hypertonic saline (2%NaCl); Type: ACTIVE_COMPARATOR; Interventions: Drug: Gargle/Mouthwash | Arm Label: Positive controls; Type: PLACEBO_COMPARATOR; Interventions: Drug: Gargle/Mouthwash | Intervention Type: DRUG; Name: Gargle/Mouthwash; Assigned to Arm(s): Hydrogen peroxide 1% (ActiveOxy), Hypertonic saline (2%NaCl), Neem extract (Azadirachta indicia), Positive controls, Povidone-Iodine 0.2% (BETADINE®)
B: Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Device: Placebo | Arm Label: Iota-Carrageenan nasal spray; Type: EXPERIMENTAL; Interventions: Device: Iota-Carrageenan | Intervention Type: DEVICE; Name: Placebo; Assigned to Arm(s): Placebo | Intervention Type: DEVICE; Name: Iota-Carrageenan; Assigned to Arm(s): Iota-Carrageenan nasal spray
C: Arm Label: Healthcare Workers - Control; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Healthcare Workers - PVP-I; Type: EXPERIMENTAL; Interventions: Drug: Povidone-Iodine Nasal Spray and Gargle | Arm Label: Inpatients - Control; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Inpatients - PVP-I; Type: EXPERIMENTAL; Interventions: Drug: Povidone-Iodine Nasal Spray and Gargle | Arm Label: Community - Control; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Community - PVP-I; Type: EXPERIMENTAL; Interventions: Drug: Povidone-Iodine Nasal Spray and Gargle | Intervention Type: DRUG; Name: Povidone-Iodine Nasal Spray and Gargle; Assigned to Arm(s): Healthcare Workers - PVP-I | Intervention Type: DRUG; Name: Povidone-Iodine Nasal Spray and Gargle; Assigned to Arm(s): Inpatients - PVP-I | Intervention Type: DRUG; Name: Povidone-Iodine Nasal Spray and Gargle; Assigned to Arm(s): Community - PVP-I
D: Arm Label: Vitamin D and gargling; Type: EXPERIMENTAL; Interventions: Dietary Supplement: cholecalciferol (vitamin D3), Behavioral: Gargling | Arm Label: Vitamin D and general health advice; Type: EXPERIMENTAL; Interventions: Dietary Supplement: cholecalciferol (vitamin D3) | Arm Label: Placebo and general health advice; Type: PLACEBO_COMPARATOR; Interventions: Dietary Supplement: Placebo | Arm Label: Placebo and gargling; Type: PLACEBO_COMPARATOR; Interventions: Behavioral: Gargling, Dietary Supplement: Placebo | Intervention Type: DIETARY_SUPPLEMENT; Name: cholecalciferol (vitamin D3); Assigned to Arm(s): Vitamin D and gargling, Vitamin D and general health advice | Intervention Type: BEHAVIORAL; Name: Gargling; Assigned to Arm(s): Placebo and gargling, Vitamin D and gargling | Intervention Type: DIETARY_SUPPLEMENT; Name: Placebo; Assigned to Arm(s): Placebo and gargling, Placebo and general health advice

Answer: B