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 However, the trial was withdrawn before enrolling any participants, so no data were collected.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The trial was withdrawn before it started, so no results are available.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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

  • Baylor University Medical Center

    Dallas, Texas, 75246, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.