Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Preoperative Single-dose Steroid Application for the Treatment of Nausea and Vomiting After Thyroid Surgery
Brief Summary: The study is to compare the postoperative recovery, as determined by postoperative nausea and vomiting (PONV) after preoperative application of single-dose dexamethasone versus saline in patients undergoing partial or total thyroidectomy.


Options:
A: Arm Label: PLACEBO Group; Type: PLACEBO_COMPARATOR; Interventions: Drug: PLACEBO | Arm Label: DEXAMETHASONE Group; Type: ACTIVE_COMPARATOR; Interventions: Drug: Dexamethasone | Arm Label: ONDANSETRON; Type: ACTIVE_COMPARATOR; Interventions: Drug: Ondansetron | Arm Label: DEXAMETHASONE + ONDANSETRON; Type: ACTIVE_COMPARATOR; Interventions: Drug: Dexamethasone + Ondansetron | Intervention Type: DRUG; Name: PLACEBO; Assigned to Arm(s): PLACEBO Group | Intervention Type: DRUG; Name: Dexamethasone; Assigned to Arm(s): DEXAMETHASONE Group | Intervention Type: DRUG; Name: Ondansetron; Assigned to Arm(s): ONDANSETRON | Intervention Type: DRUG; Name: Dexamethasone + Ondansetron; Assigned to Arm(s): DEXAMETHASONE + ONDANSETRON
B: Arm Label: dexamethasone; Type: PLACEBO_COMPARATOR; Interventions: Drug: Dexamethasone iv injection | Arm Label: dexamethasone, haloperiol 1mg; Type: ACTIVE_COMPARATOR; Interventions: Drug: Dexamethasone, haloperidol | Arm Label: dexamethasone + haloperidol 2mg; Type: ACTIVE_COMPARATOR; Interventions: Drug: Dexamethasone, haloperidol | Intervention Type: DRUG; Name: Dexamethasone iv injection; Assigned to Arm(s): dexamethasone | Intervention Type: DRUG; Name: Dexamethasone, haloperidol; Assigned to Arm(s): dexamethasone, haloperiol 1mg | Intervention Type: DRUG; Name: Dexamethasone, haloperidol; Assigned to Arm(s): dexamethasone + haloperidol 2mg
C: Arm Label: Adductor Canal block; Type: ACTIVE_COMPARATOR; Interventions: Drug: Adductor canal block, Drug: Bupivacaine, Drug: Fentanyl, Drug: Ropivacaine 0.5% Injectable Solution | Arm Label: Adductor canal block with dexamethasone; Type: ACTIVE_COMPARATOR; Interventions: Drug: Adductor canal block with dexamethasone, Drug: Bupivacaine, Drug: Fentanyl, Drug: Ropivacaine 0.5% Injectable Solution, Drug: Dexamethasone | Arm Label: Adductor canal catheter; Type: ACTIVE_COMPARATOR; Interventions: Drug: Adductor canal catheter, Drug: Bupivacaine, Drug: Fentanyl, Drug: Ropivacaine 0.5% Injectable Solution | Intervention Type: DRUG; Name: Adductor canal block; Assigned to Arm(s): Adductor Canal block | Intervention Type: DRUG; Name: Adductor canal block with dexamethasone; Assigned to Arm(s): Adductor canal block with dexamethasone | Intervention Type: DRUG; Name: Adductor canal catheter; Assigned to Arm(s): Adductor canal catheter | Intervention Type: DRUG; Name: Bupivacaine; Assigned to Arm(s): Adductor Canal block, Adductor canal block with dexamethasone, Adductor canal catheter | Intervention Type: DRUG; Name: Fentanyl; Assigned to Arm(s): Adductor Canal block, Adductor canal block with dexamethasone, Adductor canal catheter | Intervention Type: DRUG; Name: Ropivacaine 0.5% Injectable Solution; Assigned to Arm(s): Adductor Canal block, Adductor canal block with dexamethasone, Adductor canal catheter | Intervention Type: DRUG; Name: Dexamethasone; Assigned to Arm(s): Adductor canal block with dexamethasone
D: Arm Label: Dexamethasone injection; Type: ACTIVE_COMPARATOR; Interventions: Drug: Dexamethasone | Arm Label: Placebo (NaCl 0.9%); Type: PLACEBO_COMPARATOR; Interventions: Other: NaCl 0.9% | Intervention Type: DRUG; Name: Dexamethasone; Assigned to Arm(s): Dexamethasone injection | Intervention Type: OTHER; Name: NaCl 0.9%; Assigned to Arm(s): Placebo (NaCl 0.9%)

Answer: D