Status:

COMPLETED

Intra-Articular Polyacrylamide Hydrogel Injections Improve Pain and Function in Knee Osteoarthritis

Lead Sponsor:

Feza Korkusuz MD

Collaborating Sponsors:

Dr. Özgür Oktay Nar Private Clinic, Bursa, Türkiye

Contura International A/S, Copenhagen, Denmark

Conditions:

Knee Osteoarthritis

Osteoarthritis

Eligibility:

All Genders

40+ years

Brief Summary

This study is designed to evaluate the effects of intra-articular injections of polyacrylamide hydrogel (Arthrosamid®) in patients with knee osteoarthritis. A total of 387 patients (593 knees) were tr...

Eligibility Criteria

Inclusion

  • Age ≥ 40 years
  • Radiographic diagnosis of knee osteoarthritis (Kellgren-Lawrence grade 2-4)
  • Received intra-articular 2.5% polyacrylamide hydrogel injection

Exclusion

  • Prior knee surgery before PAAG injection
  • Malignancy, local infection, or septic arthritis
  • Inflammatory joint disease (e.g., rheumatoid arthritis)
  • Pregnancy
  • Avascular necrosis
  • Advanced varus or valgus knee deformity

Key Trial Info

Start Date :

February 11 2023

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

June 24 2025

Estimated Enrollment :

387 Patients enrolled

Trial Details

Trial ID

NCT07193368

Start Date

February 11 2023

End Date

June 24 2025

Last Update

September 25 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Hacettepe University, Faculty of Medicine, Department of Sports Medicine

Ankara, Turkey (Türkiye)