Prospective, Randomised Blinded trial to compare outcome following lumbar discectomy and DYNESYS® dynamic distraction stabilisation for symptomatic isolated contained single level lumbar disc prolapse.

ISRCTN ISRCTN94607160
DOI https://doi.org/10.1186/ISRCTN94607160
Protocol serial number N0188149742
Sponsor Department of Health
Funder Lancashire Teaching Hospitals NHS Trust (UK)
Submission date
30/09/2005
Registration date
30/09/2005
Last edited
27/10/2015
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Surgery
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Mr S Ghalayini
Scientific

Orthopaedics
Chorley and South Ribble Hospital
Preston Road
Chorley
PR7 1PP
United Kingdom

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titleProspective, Randomised Blinded trial to compare outcome following lumbar discectomy and DYNESYS® dynamic distraction stabilisation for symptomatic isolated contained single level lumbar disc prolapse.
Study objectivesTo determine whether there is a significant difference in outcome between patients undergoing lumbar discectomy and those undergoing DYNESYS® dynamic distraction stabilisation for patients who have symptomatic isolated, contained single level lumbar disc prolapse confirmed on MRI scanning, causing straight leg sciatica.
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedSurgery: Discectomy
InterventionRCT comparing outcome following lumbar discectomy and DYNESYS® dynamic distraction stabilisation.
Intervention typeProcedure/Surgery
Primary outcome measure(s)Change in functional scores and 10 point visual analogue pain scores following surgery. Carried out pre-operatively as a baseline and then at 6 weeks, 6 months, 1 year and 2 years.
Key secondary outcome measure(s)Not provided at time of registration
Completion date01/08/2007

Eligibility

Participant type(s)Patient
Age groupAdult
SexAll
Target sample size at registration50
Key inclusion criteriaPatients awaiting surgery for isolated single level lumbar disc prolapse seen on MRI with straight leg sciatica aged 25-60 years old.
Key exclusion criteriaPatients with
1. other spinal pathology
2. previous spinal surgery
3. Cauda Equina syndrome
4. severe neurological dysfunction
5. very large prolapses
Date of first enrolment01/08/2004
Date of final enrolment01/08/2007

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centre

Chorley and South Ribble Hospital
Chorley
PR7 1PP
United Kingdom

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes