Sustained Release Lidocaine for the Treatment of Postoperative Pain

Status Recruiting

Clinical Trial Summary

In this study, the investigators are testing a new formulation of lidocaine for its suitability in managing postoperative pain after pelvic (circumcision, inguinal, scrotal), perineal (hemorrhoidectomy) or perianal (fistulotomy) incisions. The new formulation ST-01 is a sustained release lidocaine formulation and is expected to provide pain relief over multiple days. Currently, the drug lidocaine is not available as an injectable slow-release formulation.

Clinical Trial Description

The purpose of this study is to find out if a new sustained release lidocaine polymer formulation can provide effective postoperative pain control after surgery and lower opioid consumption. A single dose of this new formulation ST-01 is administered as peri-neural injection and incisional deposition. The procedure is very comparable to the current standard of care procedure, where lidocaine solution (Lidocaine HCl 1% USP) is administered. However, the polymer solution ST-01 stays in the area of injection longer by forming a soft implant and could provide longer pain control. The investigators' primary objective is to evaluate the efficacy of an injection of ST-01 to reduce subject-reported postoperative pain after surgery compared to standard of care. Secondary objectives are to determine the safety, frequency and total intake of opioid analgesic medication and frequency and total intake of non-opioid analgesic medication. The clinical study is conducted at the Vancouver Prostate Centre and St. Paul's Hospital. Potential participants will undergo a screening period and will then be enrolled and randomized to either receive treatment (ST-01) or Control (Standard of Care) after surgery. Up to 120 study subjects will be enrolled and monitored over 30 days after surgery. Subjects will report their postsurgical pain and analgesic medication taken. The primary endpoint and other continuous secondary endpoints will be compared with independent two-sample t-test if normally distributed and Wilcoxon rank-sum test if not normally distributed. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05193227
Study type	Interventional
Source	University of British Columbia
Contact	Lesley Parker
Phone	604 875 5594
Email	lparker@sustainedtx.com
Status	Recruiting
Phase	Phase 2
Start date	October 27, 2021
Completion date	May 27, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.