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Clinical Trial Summary

Randomized controlled trial aimed at evaluating the efficacy and safety of the use of a local anesthetic spray, commonly used in clinical practice as off-label, during the suturing of perineal lacerations in post-partum, comparing it with the standard technique that involves the infiltration of lacerated tissues, by administering a NRS card at the end of the procedure.

Clinical Trial Description

The study aims to compare the effectiveness of pain treatment during the suturing of postpartum perineal lacerations with lidocaine spray vs skin infiltration. The hypothesis of the study is that the treatment of perineal pain with nebulization demonstrates comparable efficacy vs the infiltration of mepivacaine hydrochloride in a population of patients subjected to suturing of postpartum lacerations. Eligible women will be randomly assigned to receive, after wound disinfection and cleansing of bleeding with mild haemostasis: 1. nebulization 3 puffs of 10 mL Lidocaine hydrochloride 10% spray at a distance of 4-5 cm (experimental group). 2. subcutaneous / submucosal infiltration depending on the type of perineal laceration of 10 ml of 1% mepivacaine hydrochloride (control group). Since there are no previous published studies, regarding the use of nebulized lidocaine hydrochloride for the suturing of perineal lacerations, the number of puffs chosen was chosen based on what is indicated on the technical data sheet of lidocaine hydrochloride and making use of previous studies in the gynecological field, but with other indications. The suture will be made once anesthetic efficacy is achieved, as per pharmacological indications. The administration of the anesthetic and the suturing of the lacerations will be performed by the gynecologist or by the gynecology resident who will be working at that time in the delivery room, as is routinely done in our Clinic. The patients will be enrolled consecutively following the order generated by the randomization list itself. By filling in specific pre-set cards, the data will be collected. Initially, the primary outcome was NRS at the beginning of suturing and NRS at the end of the procedure. In a second moment, the investigators thought it would be better to ensure that adequate analgesia (NRS<4) was achieved for all patients during suturing, rather than varying the dosage of the anesthetic itself. The investigators then decided to reassess pain at successive time points, evaluating it at 0, 2, 4, 12, and 24 hours. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT05201313
Study type Interventional
Source Azienda Sanitaria-Universitaria Integrata di Udine
Status Completed
Phase Phase 3
Start date January 20, 2022
Completion date August 8, 2022

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