ISRCTN ISRCTN60233560
DOI https://doi.org/10.1186/ISRCTN60233560
Protocol serial number 3140.0001
Sponsor The Netherlands Organisation for Health Research and Development (ZonMw) (The Netherlands)
Funders The Netherlands Organisation for Health Research and Development (ZonMw) (The Netherlands) (ref: 3140.0001), Dutch Ministries of Health, Welfare and Sports and of Social Affairs (The Netherlands)
Submission date
21/08/2003
Registration date
22/08/2003
Last edited
30/06/2009
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

Contact information

Prof Willem Van Mechelen
Scientific

van der Boechorststraat 7
Amsterdam
1081 BT
Netherlands

Phone +31 (0)20 444 8410
Email w.van_mechelen.emgo@med.vu.nl

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Scientific title
Study acronymASE
Study objectivesA randomised controlled trial and cost-effectiveness evaluation in employees sick-listed for a period of 2 to 6 weeks due to low back pain.
Ethics approval(s)The study design, protocols, procedures and informed consent form were approved by the Medical Ethics Committee of VU University Medical Centre, and all participants provided written, informed consent.
Health condition(s) or problem(s) studiedNon specific low back pain
Intervention1. Participatory ergonomics
2. Graded activity
3. Usual care
Intervention typeOther
Primary outcome measure(s)

Return to work.

Outcome measures are assessed before randomisation (after 2 - 6 weeks on sick leave) and 12 weeks, 26 weeks and 52 weeks after first day of sick leave.

Key secondary outcome measure(s)

Secondary outcome measures:
1. Pain intensity
2. Functional status
3. General improvement

Intermediate variables:
1. Kinesiophobia
2. Pain coping

Cost-effectiveness analysis:
1. Direct and indirect costs due to low back pain

Outcome measures are assessed before randomisation (after 2 - 6 weeks on sick leave) and 12 weeks, 26 weeks and 52 weeks after first day of sick leave.

Completion date01/10/2002

Eligibility

Participant type(s)Patient
Age groupAdult
SexAll
Target sample size at registration200
Key inclusion criteriaWorkers on sick leave for 2 to 6 weeks due to non specific low back pain.
Key exclusion criteria1. Specific causes of low back pain:
1.1. Herniated discs with pareses
1.2. Paralysis
1.3. Spinal tumour
1.4. Spinal fracture
1.5. Ankylosing spondilitis
1.6. Spinal stenosis
1.7. Spondylolisthesis
1.8. Specific rheumatological diseases
1.9. Pregnancy
2. Serious psychiatric disorders
3. Legal conflict at work
4. Sick-listed due to low back pain less than one month prior to the current episode of sick leave
Date of first enrolment01/01/1999
Date of final enrolment01/10/2002

Locations

Countries of recruitment

  • Netherlands

Study participating centre

van der Boechorststraat 7
Amsterdam
1081 BT
Netherlands

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?
Results article results 01/02/2007 Yes No
Results article results 20/05/2009 Yes No
Protocol article protocol 21/11/2003 Yes No