Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: N/A
Brief Summary: Objective: The investigators sought to investigate the analgesic efficiency of lidocaine spray, paracervical block (PCB) with lidocaine and PCB with lidocaine plus lidocaine spray combination in patients undergoing first-trimester surgical abortion.

Methods: A randomized, double-blind, placebo-controlled clinical trial was conducted on 108 women with the request of pregnancy termination.The subjects were randomly assigned into four groups: PCB (n=27), lidocaine spray (n=27), PCB plus lidocaine spray (n=27) and placebo(n=27).Intraoperative and postoperative pain scores were measured with a standard Visual Analog Scale (VAS).


Options:
A: Arm Label: Placebo group; Type: PLACEBO_COMPARATOR; Interventions: N/A | Arm Label: Paracervical block plus lidocaine spray; Type: ACTIVE_COMPARATOR; Interventions: Drug: Paracervical block + lidocaine spray | Arm Label: paracervical block plus isotonic saline spray; Type: ACTIVE_COMPARATOR; Interventions: Drug: Paracervical block | Arm Label: only lidocaine spray; Type: ACTIVE_COMPARATOR; Interventions: Drug: Lidocaine spray | Intervention Type: DRUG; Name: Paracervical block; Assigned to Arm(s): paracervical block plus isotonic saline spray | Intervention Type: DRUG; Name: Lidocaine spray; Assigned to Arm(s): only lidocaine spray | Intervention Type: DRUG; Name: Paracervical block + lidocaine spray; Assigned to Arm(s): Paracervical block plus lidocaine spray
B: Arm Label: Hydrocodone/acetaminophen; Type: ACTIVE_COMPARATOR; Interventions: Drug: Hydrocodone/acetaminophen, Drug: Ibuprofen, Drug: Lorazepam, Drug: Lidocaine | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Drug: Ibuprofen, Drug: Lorazepam, Drug: Lidocaine | Intervention Type: DRUG; Name: Hydrocodone/acetaminophen; Assigned to Arm(s): Hydrocodone/acetaminophen | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo | Intervention Type: DRUG; Name: Ibuprofen; Assigned to Arm(s): Hydrocodone/acetaminophen, Placebo | Intervention Type: DRUG; Name: Lorazepam; Assigned to Arm(s): Hydrocodone/acetaminophen, Placebo | Intervention Type: DRUG; Name: Lidocaine; Assigned to Arm(s): Hydrocodone/acetaminophen, Placebo
C: Arm Label: Active Comparator; Type: EXPERIMENTAL; Interventions: Drug: vaginal 2% Xylocaine | Arm Label: standard lidocaine paracervical block; Type: OTHER; Interventions: Drug: standard lidocaine paracervical block | Intervention Type: DRUG; Name: vaginal 2% Xylocaine; Assigned to Arm(s): Active Comparator | Intervention Type: DRUG; Name: standard lidocaine paracervical block; Assigned to Arm(s): standard lidocaine paracervical block
D: Arm Label: placebo-cherry syrup and ibuprofen; Type: PLACEBO_COMPARATOR; Interventions: Drug: Ibuprofen, Other: Placebo-Cherry syrup, Drug: Lidocaine | Arm Label: Midazolam and ibuprofen; Type: ACTIVE_COMPARATOR; Interventions: Drug: Midazolam, Drug: Ibuprofen, Drug: Lidocaine | Intervention Type: DRUG; Name: Midazolam; Assigned to Arm(s): Midazolam and ibuprofen | Intervention Type: DRUG; Name: Ibuprofen; Assigned to Arm(s): Midazolam and ibuprofen, placebo-cherry syrup and ibuprofen | Intervention Type: OTHER; Name: Placebo-Cherry syrup; Assigned to Arm(s): placebo-cherry syrup and ibuprofen | Intervention Type: DRUG; Name: Lidocaine; Assigned to Arm(s): Midazolam and ibuprofen, placebo-cherry syrup and ibuprofen

Answer: A