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Chronic PainNCT03471637

Compassion-Focused Therapy for Chronic Pain

A study testing Compassion-Focused Therapy in people with Chronic Pain and Psychological Distress, run by University of Edinburgh at 1 site in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This research aims to study how Compassion-Focused Therapy (CFT) might work for people with chronic pain. People with chronic pain may feel shameful about their condition and this type of therapy aims to help people to view themselves and their difficulties in a kinder, less critical way (i.e. self-compassion). Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Chronic Pain, Psychological Distress
What is being tested?
Compassion-Focused Therapy
Could I receive a placebo?
No, everyone receives an active treatment
How many people
122 participants
Where
1 siteUnited Kingdom
Study dates
27 Feb 2018to 31 May 2019
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Fluency of English sufficient for participation in the group and completion of questionnaires
  • Aged 18+ (no upper age limit)
  • Ability to provide informed consent (as defined by the Five Statutory Principles of the Mental Capacity Act, Code of Practice, 2007)

Who cannot join

  • Active substance misuse
  • Active suicidality
  • Terminal illness
  • Inability to provide informed consent

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Astley Ainslie Hospital

    Edinburgh, Edinburgh City, EH9 2HL

Other trials in United Kingdom

About this study

Official title: How do Self-compassion and Psychological Flexibility Mediate Change in a Compassion-Focused Therapy Group for Chronic Pain?

This research aims to study how Compassion-Focused Therapy (CFT) might work for people with chronic pain. People with chronic pain may feel shameful about their condition and this type of therapy aims to help people to view themselves and their difficulties in a kinder, less critical way (i.e. self-compassion). Currently, no research is available on the effectiveness of CFT in helping people with chronic pain.

Participants attending a CFT-incorporated Pain Management Programme will complete a battery of questionnaires at the start of the group (week 1), in the middle of the group (week 5) and at the end of the group (week 11).

Read the detailed description

Pain Management Programmes help people to manage their pain and improve quality of life, and this research will look into the processes by which this happens. This study will look at two psychological concepts: 'self-compassion' (kindness to self) and 'psychological flexibility' (willingness to tolerate difficult experiences in order to meet meaningful goals). These concepts help in understanding how people think about themselves in the context of pain.

Principle Research Question: Do self-compassion and psychological flexibility mediate change (anxiety/depression/well-being) in a Compassion-Focused Therapy group for adults with chronic pain?

Primary Outcome Measure: Strength of mediation effects

Sample Size:

[Reference 1] propose guidelines for recommended sample sizes in order to detect mediation effects with .8 power. These guidelines are informed by existing literature in the field. There is less robust research on self-compassion and chronic pain, therefore, this calculation is based on research in psychological flexibility and chronic pain.

[Reference 2] conducted correlational analyses on the processes of psychological flexibility following a group intervention based on ACT. These processes included acceptance of pain, mindfulness, psychological acceptance and values-based action (r values between 0.33 and 0.55). These positive correlations indicate that the group intervention was related to higher levels of psychological flexibility.

[Reference 3]'s review identified several studies that reported correlational effect sizes between acceptance, and depression/anxiety/daily functioning related to chronic pain (r = -0.58/-0.66/0.47 respectively). These negative correlations illustrate that higher levels of psychological flexibility were related to better outcomes.

Based on these correlational effect sizes, guidelines in [Reference 1] suggest that a sample size of 53-71 is required.

Analysis:

The analysis will focus on the proposed mediating factors (self-compassion and psychological flexibility) and how they explain the outcome of the CFT-incorporated group intervention. In order to study the processes of change, this study will measure change in mediators and outcomes over the course of the group.

In a mediation model, the effect of the independent variable (IV; CFT group) on a dependent variable (DV; outcome/change in symptoms) is conveyed through a third mediating variable. In order to be a mediator, a variable must change during the intervention, be associated with the intervention, and have an impact on the outcome.

In this study, it is hypothesised that self-compassion and/or psychological flexibility are the mediating variables that explain the influence of the group intervention on eventual outcome, i.e. the overall change in symptoms at the end of the group. Linear regression and nonparametric bias-corrected bootstrap, which corrects for skew in the data, will be applied to the data using SPSS, using the PROCESS macro. An effect of mediation will be indicated if the confidence interval does not contain zero.

Missing data will be handled using either the maximum likelihood or multiple imputation method, as recommended in literature.

Being tested
Compassion-Focused Therapy
Keywords
Chronic Pain, Compassion-Focused Therapy, Self-Compassion, Psychological Flexibility
Medical subject headings
Chronic Pain

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Compassion-Focused TherapyOther

    Compassion-Focused Therapy 11 weeks of Compassion-Focused Therapy [based on "Compassion-Focused Therapy for Dummies" (Welford, 2016)]

Study groups in NCT03471637
Study groupRoleWhat they receive
Compassion-Focused TherapyExperimentalCompassion-Focused Therapy 11 weeks of Compassion-Focused Therapy [based on "Compassion-Focused Therapy for Dummies" (Welford, 2016)]
Receives: Other: Compassion-Focused Therapy

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Strength of Self-Compassion as a mediator at Week 11

    Measured: Week 1

  2. Strength of Psychological Flexibility as a mediator at Week 11

    Measured: Week 1

Secondary outcomes (5)
  1. Self-Compassion Scale (short form, SCS-SF; Neff, 2003)

    Minimum score: 12; maximum score: 60; higher score indicates higher level of self-compassion

    Measured: [Time Frame: Week 1 (start), Week 5 (middle) and Week 11 (end) of group therapy]

  2. Multi-Dimensional Psychological Flexibility Inventory (short form, MPFI-SF; Rolffs et al., 2016)

    Minimum score: 24; maximum score 144; higher score indicates higher level of psychological flexibility

    Measured: [Time Frame: Week 1 (start), Week 5 (middle) and Week 11 (end) of group therapy]

  3. The Brief Pain Inventory (short form, BPI-SF; Cleeland & Ryan, 1994)

    Minimum score: 0; maximum score 110; higher score indicates greater level of pain severity and pain interference (severity max 40 / interference max 70)

    Measured: [Time Frame: Week 1 (start), Week 5 (middle) and Week 11 (end) of group therapy]

  4. The Short Warwick-Edinburgh Mental Wellbeing Scale (SWEMWBS) (Tennant et al., 2007)

    Minimum score: 7; maximum score: 35; higher score indicates greater level of wellbeing

    Measured: [Time Frame: Week 1 (start), Week 5 (middle) and Week 11 (end) of group therapy]

  5. The Hospital Anxiety and Depression Scale (HADS) (Zigmond & Snaith, 1983)

    Minimum score: 0; maximum score: 42; higher score indicates higher level of anxiety and depression (anxiety max 21 / depression max 21)

    Measured: [Time Frame: Week 1 (start), Week 5 (middle) and Week 11 (end) of group therapy]

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 Mar 2018
  2. Study start27 Feb 2018
  3. Primary completion31 Mar 2019
  4. Study completion31 May 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Health services research
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
122 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03471637
Sponsor's protocol ID
S0815692
Status last verified
May 2024
First submitted
6 Nov 2017
Last updated
9 May 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Fritz MS, Mackinnon DP. Required sample size to detect the mediated effect. Psychol Sci. 2007 Mar;18(3):233-9. doi: 10.1111/j.1467-9280.2007.01882.x.

    PubMed 17444920
  • McCracken LM, Gutierrez-Martinez O. Processes of change in psychological flexibility in an interdisciplinary group-based treatment for chronic pain based on Acceptance and Commitment Therapy. Behav Res Ther. 2011 Apr;49(4):267-74. doi: 10.1016/j.brat.2011.02.004. Epub 2011 Feb 15.

    PubMed 21377652
  • Hayes SC, Luoma JB, Bond FW, Masuda A, Lillis J. Acceptance and commitment therapy: model, processes and outcomes. Behav Res Ther. 2006 Jan;44(1):1-25. doi: 10.1016/j.brat.2005.06.006.

    PubMed 16300724

Questions about this trial

What is this clinical trial studying?

A study testing Compassion-Focused Therapy in people with Chronic Pain and Psychological Distress, run by University of Edinburgh at 1 site in United Kingdom.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 9 May 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Strength of Self-Compassion as a mediator at Week 11 (time frame: Week 1). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03471637, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 May 2024.

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