Actively Recruiting

Phase Not Applicable
Age: 18Years - 72Years
All Genders
Healthy Volunteers
ID06909851

Comparison of the Effectiveness of Adductor Canal Block and Genicular Nerve Block on Postoperative Pain and Analgesic Use in Arthroscopic Knee Surgeries

Led by Başakşehir Çam & Sakura City Hospital · Updated on 2025-04-04

68

Participants Needed

1

Research Sites

4 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are comparing the pain relief effects of two nerve block methods, Adductor Canal Block (ACB) and Genicular Nerve Block (GNB), in adults aged 18 to 72 undergoing arthroscopic knee surgery under spinal anesthesia. The study aims to find out which block better reduces postoperative pain, opioid use, and improves patient satisfaction. Arthroscopic knee surgeries often cause severe pain during movement after surgery, which can delay rehabilitation and increase complications. Participants will receive either the ACB or GNB nerve block before their arthroscopic knee surgery under spinal anesthesia. Both procedures are performed preoperatively. The study is randomized and double-blinded, comparing these two active treatment groups. The effectiveness of each block will be measured by pain scores and opioid consumption during the first 24 hours after surgery. During the study, participants' pain levels will be assessed using pain scores at specific times within 24 hours after surgery. Researchers will also monitor opioid use, blood pressure, heart rate, oxygen levels, time to first mobilization or exercise, and length of hospital stay up to 14 days postoperatively. The main outcome is the pain score effectiveness within the first 24 hours. Participants will be fully informed and monitored throughout the study.

CONDITIONS

Brief Title

Comparison of Pain Relief After Arthroscopic Knee Surgery: Adductor Canal Block and Genicular Nerve Block

Who Can Participate

Age: 18Years - 72Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Voluntary willingness to participate in the study.
  • Patients undergoing arthroscopic knee surgery (meniscus, ACL, arthroscopic intervention etc).
  • ASA I-II-III classification.
  • Aged between 18-72 years.
  • No contraindications for regional anesthesia, and deemed suitable for regional anesthesia by the anesthesiologist.
  • Undergoing surgery under spinal anesthesia.
  • Fully oriented and able to cooperate.
Not Eligible

You will not qualify if you...

  • Undergoing surgery under general anesthesia.
  • Chronic analgesic use.
  • Presence of an active infection at the procedure site.
  • Outside the appropriate age range.
  • Inability to comply with postoperative pain/NRS follow-ups.
  • ASA IV-V classification.
  • Non-voluntary patients.
  • Pregnancy.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

Surgery and Immediate Post-operative Care

Duration - Day of surgery and immediate recovery period

Participants undergo arthroscopic knee surgery under spinal anesthesia and receive either Adductor Canal Block or Genicular Nerve Block before surgery to manage postoperative pain.

1 surgery visit and immediate post-operative monitoring

Post-operative Follow-up

Duration - 24 hours after surgery

Participants are monitored for pain relief, analgesic use, vital signs, and mobilization during the first 24 hours after surgery.

Approximately 1 visit within 24 hours post-surgery

Post-operative Follow-up

Duration - Up to 14 days after surgery

Participants are observed for length of hospital stay and recovery progress up to 14 days after surgery.

Visits as needed during hospital stay

Trial Site Locations

Total: 1 location

1

Başakşehir Çam & Sakura City Hospital

Istanbul, Turkey (Türkiye)

Actively Recruiting

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Research Team

M

MUZAFFER GENCER

S

SİNAN ANAŞ

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

2

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Published Research Related To This Trial

Comparison of the Effectiveness of Ultrasound-Guided Proximal, Mid, or Distal Adductor Canal Block after Knee Arthroscopy.

Aylin Tamam, Selin Güven Köse, Halil Cihan Köse...

https://pubmed.ncbi.nlm.nih.gov/37140579