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The effect of knee Nerve Blockade on pain relief in knee Arthrosis

Radiofrequency Neuromodulation in the treatment of knee Osteoarthritis

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-5zf4ntf
Enrollment
108
Registered
2026-04-01
Start date
2026-03-10
Completion date
Unknown
Last updated
2026-04-27

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

Conditions

Osteoarthritis, Knee Chronic Pain

Interventions

This is a randomized controlled clinical trial with three arms and double-blind design. A total of 108 participants who meet the eligibility criteria will be randomly allocated to one of three treatme

Sponsors

Instituto Nacional de Traumatologia e Ortopedia Jamil Haddad
Lead Sponsor
Instituto Nacional de Traumatologia e Ortopedia Jamil Haddad
Collaborator

Eligibility

Age
60 Years to 80 Years

Inclusion criteria

Inclusion criteria: Both genders; Patients diagnosed with advanced knee OA (Ahlback >3); Age between 60 and 80 years; Chronic pain for more than 6 months, with an intensity =5 on the Visual Analog Scale (VAS, graded from 0 to 10); Access to a smartphone with WhatsApp and the cognitive ability to answer questions on this application; Patients on the waiting list for total knee arthroplasty (TKA) at INTO

Exclusion criteria

Exclusion criteria: Angular deformities >10° in the coronal plane or >10° in the sagittal plane; Morbid obesity; Uncontrolled diabetes; Coagulopathies; Psychiatric disorders or chronic use of anxiolytics/opioids; History of articular infection, previous surgery, or aritcular injection of corticosteroids/hyaluronic acid in the last 3 months; Presence of neoplasia in the affected knee, pacemaker, or implanted neurostimulators; Positive result on the neuropathic pain questionnaire (DN4), according to Santos et al. (2010) and Mayoral et al. (2018)

Design outcomes

Primary

MeasureTime frame
An improvement in functional scores and a greater reduction in pain levels, as measured by the Visual Analog Scale (VAS), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the Knee injury and Osteoarthritis Outcome Score - Junior (KOOS JR), is expected among participants undergoing radiofrequency treatment (pulsed or continuous) compared to the control group. Data collected at baseline (pre-intervention) and 1 month after the intervention.

Secondary

MeasureTime frame
To evaluate functional improvement in the three groups, measured by WOMAC and KOOS JR, over time. Data collected 1, 3, 6, and 12 months after the intervention.;To evaluate the improvement in pain perception in the three groups, measured by the Visual Analog Scale, over time. Data collected 1, 3, 6, and 12 months after the intervention.

Countries

BR

Contacts

Public ContactJose de Faria

Instituto Nacional de Traumatologia e Ortopedia Jamil Haddad

drjoseleonardorocha@gmail.com+55-21-21345000

Outcome results

None listed

Source: REBEC (via WHO ICTRP) · Data processed: May 1, 2026