New pain relief method may rival epidurals after colon surgery
NCT ID NCT01552226
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study compared two standard pain relief methods after colon or rectal surgery: a preperitoneal catheter that delivers local anesthetic near the surgical site, and an epidural catheter placed before surgery. Researchers measured pain scores and how much extra pain medication patients needed. The goal was to see if the simpler preperitoneal method works as well as the epidural.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- On-Q Silver Soaker catheter (delivers local anesthetic) and epidural catheter (delivers epidural analgesia)
- What this could lead to
- If successful, this could show that a simpler, less invasive pain relief method works as well as an epidural after colon or rectal surgery.
- What could go wrong
- This is a small, completed study (98 participants) comparing two standard methods. It does not test a new drug or cure, so results may not change practice widely.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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98 people
The number who actually took part.
- Start date
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Jan 2010
- Finished
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Mar 2015
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age \> = 18 years * Scheduled for elective colon or rectal surgery * Surgical procedure either through open laparotomy or via minimal invasive approach (laparoscopic) * Able to provide informed consent * Able to complete patient questionnaire Exclusion Criteria: * Documented allergic reaction to morphine, hydromorphone, lidocaine, bupivicaine and/or fentanyl * Contra-indication to placement of epidural catheter (spinal stenosis, spinal fusion, etc) * Urgent surgery precluding epidural catheter placement * Systemic Infection contraindicating epidural catheter placement * Unwillingness to participate in follow up assessments * Prisoners
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Saint Joseph Mercy Hospital
Ann Arbor, Michigan, 48106, United States
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