Comparing different doses of prilocaine for knee surgery anesthesia

Intrathecal Hyperbaric Prilocaine in Adult Patients Undergoing Knee Arthroscopy, a Randomized Controlled Trail

Phase 3 Interventional Cairo University · NCT06703580

This study is testing different doses of a numbing medicine for knee surgery to see which one helps patients recover faster and feel better afterward.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment150 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorCairo University Academic / other
Locations1 site (Cairo)
Trial IDNCT06703580 on ClinicalTrials.gov

What this trial studies

This randomized trial aims to evaluate the effectiveness of three different doses of hyperbaric prilocaine 2% (40, 50, and 60 mg) administered through spinal anesthesia in patients undergoing knee arthroscopy. The primary focus is to compare the time it takes for patients to void after the procedure. Secondary outcomes include recovery times for motor and sensory functions, discharge times from the post-anesthesia care unit, and monitoring for any complications such as itching or nausea. The study targets day case surgeries, making it relevant for outpatient procedures.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18-60 years, classified as American Society of Anesthesiologists physical status I-II, who are scheduled for knee arthroscopy.

Not a fit: Patients with coagulopathy, infections at the injection site, or allergies to prilocaine may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could optimize anesthesia protocols, leading to quicker recovery times and improved patient satisfaction after knee arthroscopy.

How similar studies have performed: Previous studies have shown promising results with similar local anesthetic approaches, indicating potential for success in this trial.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

All patients (male/female, American Society of Anesthesiologists physical status I-II, age: 18-60 years) undergoing knee arthroscopy will be eligible for the study. -

Exclusion Criteria:

1. Coagulopathy and other bleeding disorders (INR more than 1.4 and platelet less than 80000)
2. Patient refusal.
3. Infection at the site of injection.
4. Allergies against prilocaine.
5. Increased intracranial pressure.
6. Severe MS and AS.
7. Sever hypovolemia.

Where this trial is running

Cairo

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Time to First Void After Spinal Anaesthesiaprilocaineintrathecalday casearthroscopytime to void
Last reviewed 2026-06-13 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.