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The randomized study about pain relief after spinal surgery with the conduction block of dorsal rami with Ropivacain

The randomized study about pain relief after spinal surgery with the conduction block of dorsal rami with Ropivacain - CBDRR study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000018702
Enrollment
280
Registered
2015-08-17
Start date
2015-08-17
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

Lumbar spinal stenosis (LSS) Cervical spondylotic myelopathy (CSM)

Interventions

We will perform the subcutaneous and inter-paraspinal injection of Ropivacain immediately before the wound closure of spine surgery. We don&#39
t perform the injection.

Sponsors

Osaka City Graduate school of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) The patients who will receive surgery as follows *Microendoscopic laminotomy, or microscopic bilateral decompression via unilateral approach for lumbar spinal stenosis *Laminoplasty for cervical spondylotic myelopathy 2) The patients who were explained and understood well about this survey, in addition, give written informed consent of their own free will.

Exclusion criteria

Exclusion criteria: These patients are excluded 1) Coexisting malignant tumors 2) Pyogenic spondylitis 3) Severe hepatic disorders 4) Severe renal disorders 5) Cardiac conduction abnormalities 6) Allergic history of the ropivacain 7) Lactating women 8) Received ropivacain within 3 months before our injection 9) Received IVH perioperatively 10) Anyone who disqualified by the doctor in charge

Design outcomes

Primary

MeasureTime frame
Visual analog scale (VAS) for wound pain at 48 hours after surgery

Secondary

MeasureTime frame
VAS for the wound pain at 4, 12, 24, 36, 72 hours and 7, 14days after surgery. VAS for the back or neck pain at 3 months after surgery. The type and dosage amount of additional pain-killers. Complication. VAS for upper or lower extremity. JOA score, JOABPEQ, JOACMEQ

Countries

Japan

Contacts

Public ContactKazunori Hayashi

Osaka City Graduate school of Medicine Department of Orthopedic Surgery

m0028898@med.osaka-cu.ac.jp06-6645-3851

Outcome results

None listed

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