Which pain block cuts opioid use after gallbladder surgery?

NCT ID NCT07149584

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compared two types of nerve blocks—erector spinae plane block and thoracic paravertebral block—for controlling pain after laparoscopic gallbladder removal. 120 adults were randomly assigned to receive one of the blocks or only standard pain medication. The main goal was to see how much opioid painkiller each group needed in the first 24 hours after surgery.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
bupivacaine
What this could lead to
If one block works better, it could reduce the need for strong painkillers after gallbladder surgery.
What could go wrong
This is a small, completed study. Results may not apply to other surgeries or patients with different health profiles.

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.

Pain, Postoperative

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Istanbul University, Istanbul Faculty of Medicine

    Istanbul, 34093, Turkey (Türkiye)

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