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Mobile App-delivered Sleep Therapy (SleepFix) for Individuals With Chronic Low Back Pain and Insomnia
The goal of this clinical trial is to assess the efficacy of a digital behavioral therapy for insomnia (dBTi) in people with chronic low back pain and insomnia. The main question it aims to answer is whether a 3 week period of dBTi can improve pain-related interference 6 weeks from commencement. Researchers will compare the treatment (dBTi) to an active control (Sleep health education modules) to see if there is a significant difference in outcomes at baseline and end-of-study (6 weeks).
Study details:
This study is an online, open-labelled, two-arm, parallel-group randomized controlled trial with embedded internal pilot study of dBTi (SleepFix) versus sleep health education control in adults with chronic low back pain (LBP) and insomnia. To be enrolled in the study, participants are required to complete online pre-screening survey followed by a telephone screening interview with further questions and to verbally explain to participants what is required of them in this study. After interview screening, participants will receive an online baseline questionnaire to complete.
Once completed, participants will be randomised to one of two study arms. The treatment arm consists of a dBTi intervention using the SleepFix mobile application. The dBTi intervention takes a minimum of 3 weeks to complete with participants allowed to use SleepFix for longer if they wish.
Participants randomized to the control arm will be provide sleep health education through email released weekly during the 3-weeks of intervention treatment. Treatment control participants will receive access to SleepFix once end-of-study questionnaire has been completed. The study will be conducted online via secure platforms with recruitment primarily through social media advertisements.
The study will be coordinated from the Woolcock Institute of Medical Research, Sydney, Glebe, NSW, 2037, Australia. Phase 1 of the study is an internal pilot study which will assess the feasibility of recruitment, data collection and reporting. The following stop-go progression criteria will be used to determine whether we proceed to phase 2 which will continue recruitment until the sample size is reached (n = 178) to determine our primary outcomes.
We will proceed if:. 1. \>40% of total sample size (n = 60) are randomized to study arms within 6-months from recruitment start date.
2. If \<40% of randomized participants fail to complete week 6 end-of-study questionnaires at 6 months from recruitment start date. Participants who complete the treatment arm of the study will be invited to take part in a post-study interview exploring the user experience of SleepFix and whether it has led to any changes in pain and sleep management.
We are conducting these interviews to understand qualitatively how this population feels towards SleepFix and their feelings towards the importance of sleep for their chronic LBP condition.
Eligibility criteria
Researchers look for people who fit a certain description, called eligibility criteria. See if you qualify.
Inclusion criteria
Exclusion criteria
Eligibility
Age eligible for study : 18 and older
Healthy volunteers accepted : No
Gender eligible for study: All
Things to know
Study dates
Study start: 2023-09-13
Primary completion: 2025-03-31
Study completion finish: 2025-05-31
Study type
TREATMENT
Phase
NA
Trial ID
NCT05846087
Intervention or treatment
BEHAVIORAL: sleep retraining therapy
OTHER: sleep health education modules
Conditions
- • Chronic Low-back Pain
- • Insomnia
Find a site
Closest Location:
Woolcock Institute of Medical Research
Research sites nearby
Select from list below to view details:
Woolcock Institute of Medical Research
Sydney, New South Wales, Australia
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
| Participant Group/Arm | Intervention/Treatment |
|---|---|
EXPERIMENTAL: Treatment
| BEHAVIORAL: sleep retraining therapy
|
ACTIVE_COMPARATOR: Control
| OTHER: sleep health education modules
|
What is the study measuring?
Primary outcome
| Primary Outcome Measure | Primary Outcome Description | Primary Outcome Time Frame |
|---|---|---|
| Pain interference | Brief Pain Inventory (BPI) - pain interference is a subscale of the BPI consisting of 7 items which assess the extent to which pain interferes with: general activity; mood; walking; work (at home or outside); relationships; sleep; and enjoyment of life. BPI items are reported using an 11-point Likert type scale. (0 = "does not interfere"; 10 = "interferes completely"). Responses are summed to provide a global interference score between 0 and 70. | 6 weeks |
Secondary outcome
| Secondary Outcome Measure | Secondary Outcome Description | Secondary Outcome Time Frame |
|---|---|---|
| Pain intensity | Brief Pain Inventory (BPI) - pain intensity is a subscale of the BPI which is composed of 4-items which ask a rating for current pain, average pain, worst and least pain over the past 24 hours using an 11-point Likert type scales (0 = "No pain at all"; 10 = "worst pain possible"). | 6 weeks |
| Insomnia severity index (ISI) | 7-item questionnaire used to examine overall insomnia severity. It consists of a five-point Likert type scale for each item (ranging from "no problem" = 0 to "severe problem" = 4) regarding symptoms over the past 2 weeks. All items are summed with total scores ranging from 0-28. | 6 weeks |
| Pittsburgh Sleep Quality Index (PSQI) | 19-item self-reported questionnaire which, in this case, assesses sleep quality and disturbances over the previous 2 weeks so only variables across a time-period not including the therapy window are measured. Seven component scores are derived from the responses, each scored 0 (no difficulty) to 3 (severe difficulty). The component scores are summed to produce a global score (range 0-21) where a score of 5 or more indicates poor sleep quality. | 6 weeks |
| Pain-related beliefs and attitudes about sleep (PBAS) | The pain-related beliefs and attitudes about sleep questionnaire (PBAS) is a 10-item self-reported measure developed for assessment and treatment of insomnia comorbid with chronic pain. PBAS assesses one's beliefs about the interaction of pain and sleep. Items are measured on an 11-point likert type scale (0 = "strongly disagree"; 10 = "strongly agree"). | 6 weeks |
| Patient Health Questionnaire-2 (PHQ-2) | The Patient Health Questionnaire-2 is a 2-item self-reported measure of depressive symptoms over the past 2 weeks. Participants are asked to answer questions about the severity of depressive symptoms. Scores for each question (Likert type scale "not at all" = 0 to "nearly every day" = 3) sum to a total score of 0 to 6. | 6 weeks |
| General Anxiety Disorder-7 (GAD-7) | The General Anxiety Disorder-7 (GAD-7) is a 7-item self-administered scale used to assess the severity of generalised anxiety by asking how often participants have experienced symptoms in the previous two weeks. It consists of a three-point Likert type scale for each item (ranging from "not at all" = 0 to "nearly every day" = 3). All items are summed with total scores ranging from 0-21 where 5, 10 and 15 indicate the cut-off scores for mild, moderate and severe anxiety, respectively. | 6 weeks |
| EuroQol five-dimensional (EQ-5D) | The EuroQol five-dimensional (EQ-5D) is a well-validated, generic instrument for measuring health related quality of life at the time of completion. The self-reported questionnaire is comprised of 2 components including: (1) Health state description - measured in terms of 5 dimensions of mobility, self-care, usual activities, pain/discomfort and anxiety/depression and (2) evaluation - where participants are asked to evaluate their overall health using a visual analogue scale. In Part 1, each item is assigned a level (ranging from "indicating no problem"1 - "indicating unable to/extreme problems" - 5) according to the response and this descriptive data is used to generate a health-related quality of life profile for the subject. Part II is scored from 0 (worst health state imaginable) to 100 (best health state imaginable). | 6 weeks |
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