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Improving Patient Choice in Treating Low Back Pain
ISRCTN ISRCTN46035546
ClinicalTrials.gov identifier
Public title Improving Patient Choice in Treating Low Back Pain
Scientific title Improving Patient Choice in Treating Low Back Pain: a single centre randomised controlled trial
Acronym IMPACT-LBP
Serial number at source PB-PG-0808-17039
Study hypothesis A decision support package designed for use in physiotherapy departments to help patients seeking care for their back pain will ensure better, more informed choices about their treatment and should improve patient satisfaction.

As of 09/09/2010 this record was updated to include extended trial dates; the initial dates at the time of registration were as follows:
Initial anticipated start date: 01/04/2010
Initial anticipated end date: 31/03/2012
Lay summary Not provided at time of registration
Ethics approval Warwickshire Research Ethics Committee (REC) pending as of 23/12/2009.
Study design Single centre randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Back pain
Participants - inclusion criteria 1. Patients seeking treatment for non specific low back pain
2. Aged greater than or equal to 18 years, either sex
3. Fluent spoken and written English
Participants - exclusion criteria 1. Severe psychiatric or personality disorders
2. Terminal illness
3. Critical illness
4. Possible serious spinal pathology including tumour, sepsis or fracture
Anticipated start date 01/06/2010
Anticipated end date 31/05/2012
Status of trial Ongoing
Patient information material Not available in web format, please use the contact details below to request a patient information sheet
Target number of participants 150
Interventions Participants will be randomly allocated to one of the following two groups:
1. Physiotherapist trained on informed shared decision making: The physiotherapist will have been trained on informed shared decision making and they will use this during the consultation process.
2. Physiotherapist NOT trained on informed shared decision making: This will be standard care that would normally be receive if you were not in the trial.
Primary outcome measure(s) Satisfaction with treatment at three months using a five-point Likert Scale (very satisfied to very dissatisfied)
Secondary outcome measure(s) Measured at baseline and 3 months:
1. Roland Morris Disability Questionnaire (RMDQ) - the leading measure of LBP-related disability in primary care trials
2. Modified Von Korff - a measure of LBP and disability over the preceding month
3. 12-item short form health survey (SF-12) - a generic measure of health-related quality of life
4. EuroQol - a generic measure of health utility that is designed for use in RCTs
5. Hospital Anxiety and Depression Scale (HADS) - an established and validated self rating instrument for anxiety and depression
6. Pain Self-Efficacy Questionnaire (PSEQ) - an established measure self-efficacy for people with chronic pain
7. Fear Avoidance Beliefs Questionnaire (FABQ) - the physical sub-scale of FABQ measures attitude to movement in back pain
8. A question on change in ability to perform daily tasks
9. A question on change in low back pain since beginning treatment
10. Compliance - we will measure compliance from the physiotherapy department’s attendance records. We will also collect data from participants on health service use and health transition
11. Immediate follow-up assessment will focus on satisfaction with the decision making process. We will use the 'Satisfaction with Decision Scale' to measure satisfaction with the health care decision.
Sources of funding National Institute for Health Research (NIHR) (UK) - Research for Patient Benefit (RfPB) programme (ref: PB-PG-0808-17039)
Trial website
Publications 1. 2011 protocol in http://www.ncbi.nlm.nih.gov/pubmed/21352528
Contact name Prof  Martin  Underwood
  Address Warwick Clinical Trials Unit
University of Warwick
Gibbet Hill Road
  City/town Coventry
  Zip/Postcode CV4 7AL
  Country United Kingdom
Sponsor University of Warwick (UK)
  Address c/o Peter Hedges
University House
  City/town Coventry
  Zip/Postcode CV4 7AL
  Country United Kingdom
  Sponsor website: http://www2.warwick.ac.uk
Date applied 23/12/2009
Last edited 04/07/2011
Date ISRCTN assigned 11/02/2010
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