Painkiller study pulled before it even started
NCT ID NCT04771689
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aimed to see if a tiny dose of buprenorphine/naloxone (a medicine used for opioid addiction) could help control pain after surgery in people who already take strong painkillers. It was designed for adults having orthopedic or general surgery. However, the study was withdrawn before any participants were enrolled, so no results are available.
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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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Karina de Sousa
Boston, Massachusetts, 02114, United States
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Other studies related to the condition(s) this trial covers.
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