Clinical trial Recruiting at 1 site Interventional Ages 21 and up

Oral tizanidine before surgery to calm pain after leg surgery

Official title: The Effect of Preoperative Administration of Oral Tizanidine on the Postoperative Pain and Sleep Quality in Patients Undergoing Lower Limb Orthopedic Surgery: A Randomized Placebo Controlled Study

Run by Tanta University · NCT07800364 · Data updated 2026-11-12

This trial tests whether giving a preoperative dose of oral tizanidine helps reduce postoperative pain and improve sleep quality for adults undergoing lower limb orthopedic surgery.

Quick facts

Study typeInterventional
Ages21 Years and up
SexAll
Enrollment68 (estimated)
SponsorTanta University
Academic / other
Locations1 site (Tanta, Gharbia Governorate)
StatusRecruiting
StartedMarch 1, 2026
Main results expectedSeptember 2026
Study endsSeptember 2026
Registry record updatedSeptember 2, 2026
Trial IDNCT07800364 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults 21+ scheduled for lower limb orthopedic surgery who can give informed consent and have no allergy to tizanidine.

Probably not a fit

Patients with hypersensitivity to tizanidine, pregnancy or breastfeeding, or cases with failed spinal anesthesia may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Adults 21 and older undergoing lower limb orthopedic procedures will be randomly assigned to receive oral tizanidine or a placebo before surgery. The study aims to see if the preoperative dose can lessen pain after surgery and improve sleep, potentially reducing opioid needs and related side effects. Outcomes focus on postoperative pain levels and sleep quality, among other perioperative experiences. The trial is sponsored by Tanta University and conducted at Tanta University Hospital in Egypt.

Why it matters

Potential benefit: If successful, preoperative tizanidine could lessen postoperative pain and improve sleep, possibly reducing opioid use and related complications.

How similar studies have gone: There is existing interest in preemptive analgesia, but results with preoperative tizanidine are not yet conclusive in this setting.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults aged ≥ 21 years

  * Scheduled for lower limb orthopedic surgery
  * Able to provide informed consent

Exclusion Criteria:

* History of hypersensitivity to tizanidine

  * Pregnancy or breastfeeding
  * Failure of spinal anesthesia or inadequate block.

Where it's running

  • tanta University hospital
    Tanta, Gharbia Governorate, Egypt
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.