New nerve block could ease knee replacement pain
NCT ID NCT07360392
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new nerve block called BiFeS against the standard iPACK block for pain after knee replacement surgery. 88 adults having a knee replacement will be randomly assigned to receive one of the two blocks. The goal is to see which provides better pain relief and helps patients recover faster.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bupivacaine (local anesthetic)
- What this could lead to
- If successful, this new nerve block could provide better pain relief and faster recovery after knee replacement surgery.
- What could go wrong
- This is a small, early-stage trial with only 88 participants, so results may not apply to everyone. The new block might not be better than the standard approach.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 88 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Jun 2027
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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18 to 80 years
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Scheduled for unilateral total knee arthroplasty * Classified as ASA physical status I-III Exclusion Criteria: * Scheduled for revision arthroplasty or bilateral surgery * Allergy to local anesthetics or contraindication to regional blocks * Neurological disorders, peripheral neuropathy, or conditions affecting lower extremity muscle strength * Coagulopathy or receiving anticoagulant therapy * History of severe liver, kidney, or heart failure * Chronic opioid use or history of substance abuse * Patients experiencing intraoperative complications (e.g., excessive bleeding) * Cases in which adequate sensory blockade is not achieved after the block
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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Amasya University Sabuncuoğlu Şerefeddin Training and Research Hospital
RECRUITINGAmasya, 05200, Turkey (Türkiye)
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