- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05519332
Percutaneous Vertebral-disc Plasty for Thoracolumbar Very Severe Osteoporotic Vertebral Compression Fractures
Purpose: To compare the clinical outcomes and radiological parameters of patients undergoing percutaneous vertebroplasty (PVP) versus those undergoing percutaneous vertebral-disc plasty (PVDP) for back pain, segmental instability, and kyphosis due to thoracolumbar very severe osteoporotic vertebral compression fractures (vsOVCFs).
This prospective study included elderly patients with thoracolumbar vsOVCFs. All the patients were randomly allocated into the PVP group (who underwent conventional PVP) and the PVDP group (who underwent PVP combined percutaneous cement discoplasty). The visual analogue scale (VAS), Oswestry Disability Index (ODI), local kyphosis angle, and disc height were recorded preoperatively and postoperatively.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Patients diagnosed with thoracolumbar vsOVCFs in hospital and undergoing minimally invasive treatment from November 2019 to March 2021 were enrolled for the study. They were randomly allocated into two groups (based on random numbers generated by www. randomizer.org), namely PVP group and PVDP group.
Operative technique:In PVDP group, PVP and PCD both used a unilateral transpedicular approach into the vertebrae and disc. . Under general anesthesia, the patient was turned over to a prone position, and the deformity is reduced with a slight closed manipulative. Firstly, under fluoroscopic O-arm guidance, the puncture site was localized into the junction made by the transverse process and the superior articular process and entered the target area according to the puncture angle and depth measured before the operation. Secondly, the other puncture cannula was inserted into the intervertebral disc space adjacent to the ruptured endplate through the transpedicular access, and the target area was the middle of the intervertebral space. Thin-cut CT images were obtained intraoperatively by the O-arm fluoroscopy to confirm puncture needle placement location. Third, the bone cement was injected into the vertebrae and the intervertebral disc space, meanwhile, the cannula was also needed to move back to the vertebrae, and the bone cement in the vertebrae could connect the intervertebral disc space and the vertebrae to form a whole. Finally, the PVP group and the adjacent vertebrae performed by prophylactic vertebroplasty used bilateral pedicle puncture, under the guidance of the O-arm, two puncture needles were percutaneously inserted into the vertebrae, reaching about the middle of the vertebrae. Then, cement was slowly injected into the vertebral body, once cement leakage into the spinal canal or veins was detected, the injection was stopped.
The investigators measured radiological parameters including the local kyphotic angle (LKA), disc height anterior (DHA), and disc height posterior (DHP) from lateral plain radiographs preoperatively and at 1 day and final follow-up after surgery. The visual analog score (VAS) was used to assess the preoperative and postoperative back pain relief. The Oswestry Disability Index (ODI) was used to assess the quality of life and was recorded preoperatively, postoperatively, and final follow-up.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Jiawei Jiang, Dr
- Phone Number: 18862802782
- Email: 18862802782@163.com
Study Locations
-
-
Jiangsu
-
Nantong, Jiangsu, China, 0513
- Recruiting
- Affiliated 2 Hospital of Nantong University
-
Contact:
- Jiawei Jiang, Dr
- Phone Number: 18862802782
- Email: 18862802782@163.com
-
Principal Investigator:
- Hongqing Xu, Dr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- bone mineral density T scores <-2.5;
- compression of the vertebral anterior column greater than two-thirds of their original height;
- Kyphosis with LKA greater than 20°;
- the accordion phenomenon: the different angles of a supine CT scan and a lateral standing X-ray measurement;
- upper or lower vertebral endplate fracture;
- the involved vertebral body was intact;
- Elderly patients with a history of major illness (such as cardiovascular disease, cancer or active malignancy) and were intolerant of the traditional open surgery.
Exclusion Criteria:
- Pathological vertebral fractures caused by spinal tumors, spinal tuberculosis, and spinal infection and so on;
- Patients with symptoms of nerve roots or spinal cord compression;
- Patients with a previous history of spinal fusion;
- A history of abnormal bleeding or coagulation disorder dysfunction.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: PVDP group
Patients underwent percutaneous vertebral-disc plasty
|
percutaneous vertebroplasty combined percutaneous cement discoplasty
|
No Intervention: PVP group
Patients underwent conventional percutaneous vertebroplasty
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline visual analogue scale
Time Frame: One day before operation, one day after operation and 1year.
|
Using a ruler, the score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0 to 100.
A higher score indicates greater pain intensity.
Based on the distribution of pain Visual Analogue Scale scores in post-surgical patients who described their postoperative pain intensity as none, mild, moderate, or severe, the following cut points on the pain Visual Analogue Scale have been recommended: no pain (0-4 mm), mild pain(5-44 mm), moderate pain (45-74 mm), and severe pain (75-100 mm).
|
One day before operation, one day after operation and 1year.
|
Change from Baseline Oswestry Disability Index
Time Frame: One day before operation, one day after operation and 1year.
|
The ODI assesses ten aspects of daily functions viz.
pain intensity, personal care, lifting, walking, sitting, standing, sleeping, sex life, social life and travelling.
An ODI of 0-20% indicates minimal disability; the patients can cope with most living activities and usually no treatment is indicated, apart from advice on lifting, sitting and exercise.
An ODI of 21-40% indicates moderate disability; the patients experience more pain and difficulty with sitting, lifting and standing; travel and social life are more difficult and they may be disabled from work; personal care, sexual activity and sleeping are not grossly affected.
An ODI of 41-60% indicates severe disability; pain remains the main problem in this group of patients; the activities of daily living are affected.
Patients with an ODI of 61-80% are severely crippled in function with back pain impinging on all aspects of the patient's life.
Finally, an ODI of 81-100% indicates that the patients are bed-bound.
|
One day before operation, one day after operation and 1year.
|
Change from Baseline the local kyphotic angle
Time Frame: One day before operation, one day after operation and 1year.
|
The local kyphotic angle (LKA) was calculated by a measurement called Cobb's method, which measured the angle between the superior endplate of the upper vertebrae and the inferior endplate of the lower vertebrae.
Use this to assess the degree of local kyphosis of the spine.
|
One day before operation, one day after operation and 1year.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline the disc height anterior
Time Frame: One day before operation, one day after operation and 1year.
|
Disc height anterior(DHA) was measured from the anterior points of the disc on lateral plain radiographs.
It is used to assess the degree of height loss at the anterior border of the intervertebral space.
|
One day before operation, one day after operation and 1year.
|
Change from Baseline the disc height posterior
Time Frame: One day before operation, one day after operation and 1year.
|
Disc height posterior (DHP) was measured from the posterior points of the disc on lateral plain radiographs.
It is used to assess the degree of height loss at the posterior border of the intervertebral space.
|
One day before operation, one day after operation and 1year.
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- JJiang
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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