The interspace between the popliteal artery and the posterior capsule of the knee (IPACK) block

The interspace between the popliteal artery and the posterior capsule of the knee (IPACK) block as a supplement to adductor canal block for postoperative analgesia in total knee arthroplasty; a prospective randomized trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR201812776434860

Enrollment

Registered

2018-12-12

Start date

2018-12-15

Completion date

Unknown

Last updated

2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

postoperative analgesia in total knee arthroplasty

Interventions

Adductor canal block

IPACK block

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 50-80 years either gender ASA I-III undergoing unilateral primary TKA

Exclusion criteria

Exclusion criteria: body mass index (BMI) more than 40 renal or hepatic insufficiency localized infection at the site of regional anesthetic intervention allergy to local anesthetic chronic opioid use pre-existing lower extremity neurological deficit patient refusal

Design outcomes

Primary

Measure	Time frame
total 24 h postoperative rescue morphine consumption.	—

Secondary

Measure	Time frame
Resting and Motion (knee flexion to 45°) VAS score ;Time to the 1st rescue administration. ;The quadriceps muscle power ;• Mobilization ability using the Timed-Up-and-Go (TUG) test.	—

Countries

Egypt

Contacts

Public ContactShaimaa Farouk

lecturer of anesthesia and surgical ICU Tanta University Faculty of Medicine

shaimaafarouk7777@yahoo.com+201270440771

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Feb 4, 2026