New nerve block could cut opioid use after heart surgery
NCT ID NCT07666178
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a continuous nerve block (erector spinae plane block) can reduce pain and morphine use after coronary artery bypass surgery. 78 adults with good heart function will receive either the nerve block with ropivacaine or standard painkillers. The goal is to see if this newer technique improves recovery and lowers chronic pain risk.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ropivacaine
- What this could lead to
- If it works, this could provide better pain control after heart surgery with less need for strong opioids.
- What could go wrong
- This is a small, early-phase trial focused on pain relief, not a cure. The nerve block may not work better than standard care, and there are risks like infection or allergic reaction.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 78 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2024
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
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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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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: * Consent to the free and informed consent term. * Patient undergoing coronary artery bypass graft surgery with cardiopulmonary bypass (CPB). * Preserved left ventricular global function (LVEF \> 50%). Exclusion Criteria: * Moderate or severe valvular dysfunction. * Previous anterior sternotomy. * Known allergy to the study drugs. * Complications during catheter insertion or block placement. * Pre-existing diagnosed chronic pain under treatment. * Concomitant use of drugs with a long half-life (induction and anesthetic maintenance doses will be standardized; patients taking medications with a long half-life are excluded to prevent bias in outcome assessment). * Concomitant administration of Magnesium Sulfate.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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InCor
RECRUITINGSão Paulo, São Paulo, Brazil
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