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Analgesic efficacy of high-voltage pulsed radiofrequency of the dorsal root ganglion compared with standard-voltage pulsed radiofrequency for chronic lumbosacral radicular pain: a prospective randomized controlled trial

Analgesic efficacy of high-voltage pulsed radiofrequency of the dorsal root ganglion compared with standard-voltage pulsed radiofrequency for chronic lumbosacral radicular pain: a prospective randomized controlled trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20241110014
Enrollment
56
Registered
2024-11-10
Start date
2025-01-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Chronic lumbosacral radicular pain Herniated nucleus pulposus Spinal canal stenosis Pulsed radiofrequency High-voltage pulsed radiofrequency Herniated nucleus pulposus Spinal canal stenosis Lumbosacral radicular pain

Interventions

High-voltage (85 V) pulsed radiofrequency at dorsal root ganglion,Standard-voltage (45 V) pulsed radiofrequency at dorsal root ganglion
Experimental Procedure/Surgery,Active Comparator Procedure/Surgery
High-voltage pulsed radiofrequency,Standard-voltage pulsed radiofrequency

Sponsors

Chulalongkorn university
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to No maximum

Inclusion criteria

Inclusion criteria: - Age >= 20 - Pain NRS >= 4 - Lumbosacral radicular pain more than 12 weeks and failed conservative treatment - Suspect etiology from herniated nucleus pulposus and/or spinal canal stenosis

Exclusion criteria

Exclusion criteria: - Patient denial - Unable to communicate in Thai or English - Can't evaluate outcome of the study - Allergy and contraindication of medication included in this study - Severe disease: lower limb weakness, cauda equina symptoms - Bleeding tendency - Local infection or sepsis

Design outcomes

Primary

MeasureTime frame
Pain intensity 1 week 2 weeks 1 month 3 months 6 months Pain NRS

Secondary

MeasureTime frame
Pain difference from baseline 1 week 2 weeks 1 month 3 months 6 months NRS Pain difference,Proportion of pain improvement more than 50% 1 week 2 weeks 1 month 3 months 6 months Proportion of pain improvement more than 50%,Proportion of pain improvement more than 75% 1 week 2 weeks 1 month 3 months 6 months Proportion of pain improvement more than 75%,Functional outcome 1 week 2 weeks 1 month 3 months 6 months Oswestry disability index,Adverse event 1 week 2 weeks 1 month 3 months 6 months Rate of adverse event

Countries

Thailand

Contacts

Public ContactRadchaporn Oumkaew

Department of anesthesiology, faculty of medicine, Chulalongkorn university

lin_13531@docchula.com0825141956

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026