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Phase II trial of Transcatheter arterial micro-embolization for refractory chronic knee pain: Multicenter Study (PATRICK study)

Phase II trial of Transcatheter arterial micro-embolization for refractory chronic knee pain: Multicenter Study (PATRICK study) - knee TAME: JMIS-1602 (PATRICK study)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000023442
Enrollment
50
Registered
2016-08-03
Start date
2016-08-03
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

chronic knee pain refractory to non-surgical management due to mild osteoarthritis or after artificial joint replacement

Interventions

Sponsors

Miyakojima IGRT clinic
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Previous conservative therapies applied for at least 3 months and persistent moderate-to-severe knee pain (NRS>=5). 2.Chronic knee pain with mild osteoarthritis or after artificial joint replacement 3.Patients with no severe knee osteoarthritis (Kellgren-Lawrence grading system 0-2) 4.Patients with maintain major organ (bone marrow, heart, liver, lung, kidney) function. 5.Patients with possibility of going to hospital and follow up for 6 months. 6.Provided written informed consent to undergo the procedure.

Exclusion criteria

Exclusion criteria: 1.Surgical candidate 2.Patients with severe infection, rheumatoid arthritis, or mental disorder 3.Patients with uncontrollable diabetic mellitus 4.Pain due to spine pathology 5.Patients with osteonecrosis with magnetic resonance imaging (MRI) 6.Patients without possibility of going to hospital and follow up for 6 months. 7.Patient who was decided not to be appropriate for this trial by physician

Design outcomes

Primary

MeasureTime frame
Numerical Rating Scale (NRS) in 6 months after procedure Japanese knee osteoarthritis measure(JCOM) score in 6 months after procedure Quality of Life(QOL) in 6 months after procedure

Countries

Japan

Contacts

Public ContactTaku Yasumoto

Miyakojima IGRT clinic Department of Interventional Radiology

yasumoto@solid.ocn.ne.jp06-6923-3501

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026