New pill could ease pain after hemorrhoid surgery
NCT ID NCT02193620
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested an oral soft capsule of nalbuphine, a painkiller, for people recovering from hemorrhoid surgery. 106 adults took either the drug or a placebo for up to 2 days. Researchers measured pain levels and how much extra pain relief was needed. The goal was to see if the oral capsule is safe and effective for post-surgery pain.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Nalbuphine (oral soft capsule)
- What this could lead to
- If it works, this could provide a new oral option for managing pain after hemorrhoid surgery, reducing the need for injections.
- What could go wrong
- This is a small, early-phase trial (Phase 2/3) with only 106 participants. The results may not apply to everyone, and the drug may not be more effective than existing painkillers.
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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
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General Clinical Research Center, Tri-service General Hospital
Taipei, 114, Taiwan
More trials for these conditions
Other studies related to the condition(s) this trial covers.