New combo could ease pain after leg surgery
NCT ID NCT07310628
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether taking a pill called tizanidine before spinal anesthesia (levobupivacaine) improves pain control during and after lower leg surgery. Sixty-four adults scheduled for elective leg surgery were randomly assigned to receive either the standard spinal injection alone or with an added tizanidine pill. Researchers measured how quickly pain relief started, how long it lasted, and how much extra pain medicine was needed afterward.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tizanidine and levobupivacaine
- What this could lead to
- If it works, this could lead to a simple, low-cost way to improve pain relief and reduce the need for additional painkillers after leg surgery.
- What could go wrong
- This is a small, completed Phase 4 trial with only 64 participants, so results may not apply to everyone. Tizanidine can cause side effects like drowsiness or low blood pressure.
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
-
Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
-
64 people
The number who actually took part.
- Started
-
Aug 2022
- Finished
-
Aug 2025
- Lead sponsor
-
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
-
18 to 60 years
- Sex
-
Anyone
- Healthy volunteers
-
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: * patients aged 18 to 60 years with an ASA grade of I-II, who were scheduled for elective lower limb surgeries with a duration of less than 2 hours and 30 mins. Exclusion Criteria: * Patients with certain conditions such as pregnancy, coagulopathy, cerebrovascular disease, systemic infections, inability to understand the study protocol, allergy to local anaesthetics, psychiatric disorders affecting evaluation, infection at the injection site, kidney and liver diseases, myelopathy or peripheral neuropathy, spinal stenosis, prior spinal surgeries, raised intracranial pressure, multiple sclerosis, spina bifida, those receiving thromboprophylaxis and refusal to participate in the study were excluded.
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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
-
Adabala Vijay Babu
Raebareli, Uttar Pradesh, 229405, India
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