CompletedNot Applicable

TAP Block: Does Volume Make a Difference?

Canada31 participantsStarted 2011-04

Plain-language summary

Patients who have abdominal surgery will experience pain from the incision. The lumbar TAP block is a procedure used to reach the nerve endings in the abdominal wall so that there is a reduction in pain after surgery. Using ultrasound guidance, a solution of ropivacaine will be injected after surgery. The aim of this study is to determine the effect of changes in the volume of the injection.

Who can participate

Age range

18 Years – 70 Years

Sex

FEMALE

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * 18-70 years old * total abdominal hysterectomy * capable of completing informed consent * no previous chronic opioid use * no previous abdominal wall surgeries Exclusion Criteria: * patient refusal * contraindication to regional anesthesia: coagulopathy, anticoagulant use, bleeding disorders, * local or systemic infection * local anesthetic allergy * BMI\>35

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

To assess the feasibility of a large scale clinical study to determine the influence on increasing the local anesthetic volume.

Timeframe: 6 month

Trial details

NCT IDNCT01307215

SponsorMcMaster University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2013-01

View on ClinicalTrials.gov More Post-operative Pain trials