New study tests better pain relief after knee surgery
NCT ID NCT07240402
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two medicines, morphine and dexmedetomidine, when added to a standard numbing drug for a nerve block after knee surgery. The goal is to see which combination provides longer pain relief. Fifteen adults undergoing knee surgery will take part.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 15 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2025
An estimate. Start dates often move.
- Expected to finish
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Feb 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion criteria: * Both sexes. * American Society of Anesthesiologists (ASA) physical status I-II. * Body mass index (BMI) of 20-35 kg/m2. * Undergoing knee surgeries under spinal anesthesia. Exclusion criteria: * Any known allergy or contraindication to local anesthetic. * History of substance abuse. * Decompansated cardiac, pulmonary, hepatic, renal disease. * Obese patients with BMI\>35kg/m2. * Pregnant and lactating mothers. * Coagulopathies. * Local skin infections at the site of injection.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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Other studies related to the condition(s) this trial covers.
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