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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05533723
Other study ID # AJIRB-MED-MDB-20-53
Secondary ID
Status Completed
Phase
First received
Last updated
Start date October 10, 2018
Est. completion date August 24, 2022

Study information

Verified date September 2022
Source Ajou University School of Medicine
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

PEN(percutaneous epidural neuroplasty) can be performed percutaneously, may be manipulated to mechanically break up adhesions by catheter, while various agents, such as anesthetics, corticosteroids, hyaluronidase, and hypertonic saline are injected. In endoscopic epidural neuroplasty (EEN), a flexible catheter is inserted into the sacral hiatus to precisely place the injection in the epidural space and onto the nerve root. Both EEN and PEN can eliminate the deleterious effects of scar formation, which can physically prevent the direct application of drugs to the nerves, and may provide pain relief in patients who have not responded to epidural blocks, physical therapy, or medication. In this study, visual analog scale (VAS) and Oswestry disability index (ODI) of patients with low back and radicular pain were compared in patients who had received EEN or PEN at 1 day, 1 month, and 6 months after EEN or PEN.


Description:

Low back pain and lumbar radicular pain commonly occur in degenerative spondy-losis. Low back and radicular pain have many underlying causes, one of which is scar-ring in the epidural space, which can cause pain for many reasons. The nerves may be trapped by scars, while the congestive veins in the epidural space can become enlarged and exert pressure upon the nerves. Percutaneous epidural neuroplasty (PEN) with a wire type catheter, first reported by Dr. Racz, has been widely practiced since 1989, and reduces pain by epidural adhesiolysis, epidural fibrosis and inflammation near the neural tissue. The PEN procedure is used to dissolve some scar tissue around the entrapped nerves in the epidural space of the spine. PEN can be performed percutaneously, using a Racz catheter. The catheter may be manipulated to mechanically break up adhesions, while various agents, such as anesthetics, corticosteroids, hyaluronidase, and hypertonic saline are injected. In endoscopic epidural neuroplasty (EEN), a flexible catheter is inserted into the sacral hiatus to precisely place the injection in the epidural space and onto the nerve root. Both EEN and PEN can eliminate the deleterious effects of scar formation, which can physically prevent the direct application of drugs to the nerves, and may pro-vide pain relief in patients who have not responded to epidural blocks, physical therapy, or medication. In this study, visual analog scale (VAS) and Oswestry disability index (ODI) of pa-tients with low back and radicular pain were compared in patients who had received EEN or PEN at 1 day, 1 month, and 6 months after EEN or PEN.


Recruitment information / eligibility

Status Completed
Enrollment 107
Est. completion date August 24, 2022
Est. primary completion date August 24, 2022
Accepts healthy volunteers
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: 1. age over 20 years 2. low back or radicular pain in the low extremities 3. persistent low back or radicular pain Exclusion Criteria: 1. systemic infection 2. skin infection at the injection site 3. uncontrolled diabetes mellitus 4. coagulation abnormalities 5. history of allergic reactions to local anesthetics or contrast agents

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Endoscopic epidural neuroplasty
EEN catheter, iDolphine S2 (Meta Biomed Co., Ltd, Osong, Korea) was placed in the epidural space through sacral hiatus. EEN was done on the target segments. During EEN, normal saline was infused into epidural space under epiduroscopic vision. Dexamethasone (5 mg), 0.3% mepivacaine 10 mL, and hyaluronidase (3000 IU) were injected through catheter at the target segments. Holmium-Yag laser was used to cut epidural fibrous bands and for coagulation of epidural bleeding.
Percutaneous epidural neuroplasty (PEN)
PEN catheter, EDEN-CC (JMT, Yangju, Korea) was placed in the epidural space and neural foramen . PEN was done on the target segments. Dexamethasone (5 mg), 0.3% mepivacaine 10 ml, and hyaluronidase (3000 IU) were injected through the PEN catheter.

Locations

Country Name City State
Korea, Republic of Ajou University Hospital Suwon Gyunggi

Sponsors (1)

Lead Sponsor Collaborator
Ajou University School of Medicine

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary visual analog scale 11 points pain scale score from 0 to 10 6 months after EEN or PEN
Primary Oswestry disability index disability index from 0 to 100% 6 months after EEN or PEN
Secondary weight kg before EEN or PEN
Secondary height m before EEN or PEN
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