Painkiller-Sparing nerve block trial pulled before it began
NCT ID NCT04655339
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study planned to test a laparoscopic-guided nerve block (TAP block) to reduce opioid painkiller use after weight-loss or anti-reflux stomach surgeries. It compared two numbing medicines, Bupivacaine HCL and Exparel. However, the trial was withdrawn before enrolling any participants, so no data were collected.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Liposomal Bupivacaine (Exparel) and Bupivacaine HCL
What this could lead to
If it had worked, this could point toward a way to reduce opioid painkiller use after certain stomach surgeries.
What could go wrong
The trial was withdrawn before it started, so no results are available. It is unclear if the approach is effective or safe.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Baylor University Medical Center
Dallas, Texas, 75246, United States