The Sciatica-PLDD trial: a prospective randomised controlled efficiency and efficacy trial on percutaneous laser disc decompression as a treatment modality for sciatica caused by a lumbar disc herniation

ISRCTN ISRCTN25884790
DOI https://doi.org/10.1186/ISRCTN25884790
Secondary identifying numbers P04.042; NTR219
Submission date
20/12/2005
Registration date
20/12/2005
Last edited
10/07/2019
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Musculoskeletal Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Study website

Contact information

Mr B. Schenk
Scientific

Leiden University Medical Center
Albinusdreef 2
P.O. Box 9600
Leiden
2300 RC
Netherlands

Email b.schenk@lumc.nl

Study information

Study designMulticentre, randomised, active controlled, parallel group trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Scientific titleThe Sciatica-PLDD trial: a prospective randomised controlled efficiency and efficacy trial on percutaneous laser disc decompression as a treatment modality for sciatica caused by a lumbar disc herniation
Study objectivesPercutaneous laser disc decompression (PLDD) is more cost-effective than conventional surgical treatment for lumbar disc herniation and allows faster patient rehabilitation, while long-term functional results are comparable.
Ethics approval(s)Ethics approval received from the local medical ethics committee
Health condition(s) or problem(s) studiedSciatica
InterventionPatients who fit the inclusion and exclusion criteria for the trial for lumbar disc herniation will be randomised into two groups:
1. The first group will receive microsurgical discectomy in their own hospital
2. The second group will be referred to 1 of 4 assigned PLDD-centers, where percutaneous laser disc decompression will be carried out by an experienced interventional (neuro-)radiologist
Intervention typeOther
Primary outcome measureRoland Disability Questionnaire for Sciatica
Secondary outcome measures1. A cost-effectiveness-analysis will be carried out on the basis of health-related utility factors. This will include costs of sickness absence and long-term disability.
2. Neurological and radiological parameters
Overall study start date01/11/2004
Completion date31/12/2006

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants330
Total final enrolment115
Key inclusion criteria1. Patient aged 18 - 70 years
2. At least 8 weeks of persisting sciatic pain with or without paresis or sensory impairment
3. Patients must qualify for surgical intervention
4. Clear unilateral lumbar disc herniation on computed tomography (CT) or magnetic resonance imaging (MRI) with a anteroposterior diameter less than 33% of the spinal canal
5. Informed consent
Key exclusion criteria1. Previous discectomy at the same level
2. Cauda equina syndrome
3. Lytic or degenerative spondylolisthesis
4. Spinal/lateral recess stenosis
5. Intervertebral disc space of less than 7 mm
6. Signs of sequestration
7. Pregnancy
8. Serious co-morbidity, either somatic or psychiatric
9. Emigration in the near future
10. No or insufficient knowledge of the Dutch language
Date of first enrolment01/11/2004
Date of final enrolment31/12/2006

Locations

Countries of recruitment

  • Netherlands

Study participating centre

Leiden University Medical Center
Leiden
2300 RC
Netherlands

Sponsor information

Leiden University Medical Centre (LUMC) (Netherlands)
University/education

Albinusdreef 2
P.O. Box 9600
Leiden
2300 RC
Netherlands

Website http://www.lumc.nl/
ROR logo "ROR" https://ror.org/027bh9e22

Funders

Funder type

Government

The Dutch Health Care Insurance Board (CVZ) (Netherlands)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Protocol article protocol 13/05/2009 Yes No
Results article results 01/05/2015 10/07/2019 Yes No
Results article results 01/06/2017 10/07/2019 Yes No

Editorial Notes

10/07/2019: Publication reference and total final enrolment added.