Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Pain Reprocessing Therapy in a Specialist Pain Clinic

Official title: Breaking the Pain Cycle: Implementing a Novel Neuroscience-based Behavioral Therapy for Chronic Pain in a Pain Rehabilitation Setting

Run by Karolinska Institutet · NCT07791355 · Data updated 2026-11-12

This study tests Pain Reprocessing Therapy (PRT) to see if it can be feasibly used and how patients feel about it in a pain rehabilitation clinic for adults with chronic nociplastic or mixed pain.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment25 (estimated)
SponsorKarolinska Institutet
Academic / other
Locations1 site (Stockholm)
StatusRecruiting
StartedAugust 2026
Main results expectedJuly 2027
Study endsJuly 2027
Registry record updatedAugust 27, 2026
Trial IDNCT07791355 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18 and older with chronic nociplastic or mixed chronic pain lasting at least 3 months, able to participate in highly specialized rehabilitation in a Swedish-speaking setting.

Probably not a fit

Patients with severe psychiatric conditions, active substance abuse, dementia, cancer-related pain, or recent psychological treatment for pain may not benefit from this intervention.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a single-arm pilot study to assess the feasibility, patient satisfaction, and acceptability of Pain Reprocessing Therapy (PRT) when delivered in a specialized pain rehabilitation setting. The trial will compare outcomes with a matched reference group from the Swedish Quality Registry for Pain Rehabilitation to provide context on potential effectiveness. Exploratory analyses will look for subgroups that may respond better to PRT and examine changes in pain intensity, function, kinesiophobia, catastrophizing, and mood. Participants are adults with chronic pain lasting at least three months, who have completed prior medical evaluation and can participate in Swedish-language rehabilitation. No randomization is used in this feasibility study, which focuses on implementation and patient/clinician acceptability rather than definitive efficacy.

Why it matters

Potential benefit: If successful, PRT could offer a new psychological approach that may reduce pain impact and improve function for adults with chronic nociplastic or mixed pain.

How similar studies have gone: PRT has shown promising results in similar chronic pain cohorts in the US, but this feasibility study explores implementation in a Swedish clinical context.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults aged 18 years and older.
* Completed medical investigation regarding the pain diagnosis. Primary pain conditions (according to ICD-11) or nociplastic pain, as well as mixed conditions where patients have nociplastic pain combined with nociceptive and/or neuropathic pain (e.g., fibromyalgia, chronic widespread pain, primary chronic back pain).
* Pain duration of at least 3 months.
* Current medication regimen compatible with participating in and benefiting from highly specialized rehabilitation.
* Ability to read, speak, and understand the Swedish language.
* Exclusion Criteria:
* Severe psychiatric conditions (e.g., psychosis, severe depression, and suicidality).
* Current substance abuse (including overuse of prescription medications) or dementia.
* Cancer pain, cauda equina syndrome, or other medical conditions that constitute the primary explanation for the patient's pain.
* Another psychological treatment for pain within the past 3 months.
* Ongoing parallel treatments related to the patient's pain at other clinics, with the exception of ongoing pharmacological treatment.
* Ongoing legal disputes or active claims for disability compensation.

Where it's running

  • Karolinska Institutet
    Stockholm, Sweden
    Recruiting

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.