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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06242977
Other study ID # HS25862 (H2023:047)
Secondary ID
Status Recruiting
Phase Phase 3
First received
Last updated
Start date January 25, 2024
Est. completion date August 30, 2024

Study information

Verified date February 2024
Source University of Manitoba
Contact Premal Patel, MD
Phone 204-221-4476
Email ppatel5@hsc.mb.ca
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Scrotal, urologic surgery has traditionally been conducted in the hospital setting, typically with the use of sedation, spinal anesthesia or general anesthesia. There has been a recent push to move certain scrotal urologic surgeries out of the hospital operating room into a ambulatory, outpatient basis with recent literature demonstrating this in many centers. The use of local anesthesia alone poses numerous benefits. The investigators wish to compare patients who are undergoing invasive scrotal surgery under local anesthetic to those who additionally have a topical anesthetic cream (EMLA) applied to the scrotum to determine if this further increases patient tolerability of these procedures.


Description:

The current standard of care for patients undergoing the majority of urologic procedures is to administer general or spinal anesthesia. The use of general or spinal anesthesia can lead to several complications, long wait times, higher costs associated with the operating. While office-based surgical procedures under local anesthesia can have additional benefits aside from avoiding adverse effects of spinal or general anesthesia, such as ability to communicate, improved convenience, and absence of extended post-op recovery. In one particular study, patients who were surveyed were overwhelmingly satisfied with office-based procedures, and often perceived office-based procedures as less invasive and safer. Urologic care has much to gain from expanding the use of procedures performed under local anesthetic in an ambulatory setting to address the above problems. Although local anesthetic can be quite effective, needle phobia and negative experiences associated with it can be a common experience. In addition to the fear associated with injection, the traditional local anesthetic injection can also be associated with pain and trauma to the infiltrated site. EMLA (Eutectic Mixture of Local Anesthetic) is a topic anesthetic cream that has in various office based urology procedures. Its use and potential benefits has been seen in a few studies for use in no-scalpel vasectomy, circumcision, metatomy, and more. However its use in more involved/invasive andrology and male-infertility procedures such as hydrocelectomy, penile plications, and others remain poorly studied thus far. Anecdotally, use of EMLA cream as an adjunct to our local anesthetic protocol demonstrated good efficacy in pain control and patient tolerability. As such, the investigators wish to perform a prospective randomized controlled study at the Manitoba Men's Health Clinic to assess whether or not the use of EMLA cream and local anesthetic nerve block is associated with improved pain tolerance than local anesthetic alone. If our hypothesis provides true, further implementation of EMLA cream in office based andrology and male-infertility procedures may provide better pain control and overall experience for patients.


Recruitment information / eligibility

Status Recruiting
Enrollment 72
Est. completion date August 30, 2024
Est. primary completion date August 15, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: - Adult patients undergoing hydrocelectomy, spermatocelectomy, epididymectomy, testicular biopsy, scrotal lesion or cyst excision under local anesthesia alone were included. Exclusion Criteria: - Patients were excluded if their procedure was to be performed with sedatives (e.g., inhaled nitrous oxide gas, oral, or IV sedation) or did not provide consent to be randomized

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Eutectic mixture of local anesthetics (EMLA; Astra Pharmaceutical Products Inc., Westborough, MA)
The intervention is the utilization of EMLA cream, a topical anesthetic to determine if this reduces pain with local anesthesia infiltration, and for overall procedural pain
Other:
Control cream
This intervention will be for the control group, a simple lotion cream.

Locations

Country Name City State
Canada Men's Health Clinic Manitoba Winnipeg Manitoba

Sponsors (1)

Lead Sponsor Collaborator
University of Manitoba

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pain with local anesthetic infiltration Using a visual analogue pain scale [range 0-10; 0 = no pain, 10 = maximal pain], pain will be assessed as reported by the patient when the local anesthetic injection is administered Immediately post-infiltration, intraoperatively
Primary Procedural pain Using a visual analogue pain scale [range 0-10; 0 = no pain, 10 = maximal pain], pain will be assessed as reported by the patient post-operatively to determine their pain Immediately post-operation
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