Unknown NA INTERVENTIONAL 1-arm NCT03601533

Ultrasound-guided Genicular Nerve Block With Phenol for the Treatment of Chronic Pain Due to Knee Osteoarthritis

Prospective Study of the Efficacy of Ultrasound-guided Genicular Nerve Block With Phenol for the Treatment of Chronic Pain Due to Knee Osteoarthritis

Sponsor: Federal University of São Paulo

Conditions Chronic Pain Osteoarthritis, Knee

Interventions Phenol

Updated 6 times since 2018 Last updated: Jul 24, 2018 Started: Jun 5, 2018 Primary completion: Oct 1, 2018 Completion: Nov 1, 2018

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Chronic Pain and Osteoarthritis, Knee and is currently ongoing. Federal University of São Paulo leads this study, which shows 6 recorded versions since 2018 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Sep 2025 — Present [monthly]

Unknown NA
Sep 2024 — Sep 2025 [monthly]

Unknown NA
Jul 2024 — Sep 2024 [monthly]

Unknown NA

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status NA
Aug 2020 — Jan 2021 [monthly]

Unknown Status NA

Status: Recruiting → Unknown Status

▶ Show 1 earlier version

Aug 2018 — Aug 2020 [monthly]

Recruiting NA

First recorded

Jun 2018

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Federal University of São Paulo

Data source: Federal University of São Paulo

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• São Paulo, Brazil