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Treatment of Complex Regional Pain Syndrome, a Long-term Follow-up

Treatment of Complex Regional Pain Syndrome, a Qualitative Interview Study and a Case Series With Long-term Follow-up

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04597866
Acronym
TORNADO
Enrollment
10
Registered
2020-10-22
Start date
2020-09-21
Completion date
2021-12-31
Last updated
2024-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Pain, Complex Regional Pain Syndromes

Brief summary

Complex regional pain syndrome, CRPS, is an uncommon but often very disabling chronic pain syndrome characterized by, beside pain: sensory disturbances, peripheral autonomic changes and inflammatory features. The diagnosis is subdivided in CRPS type 1 where no nerve injury has been identified, and CRPS type 2 when a major nerve injury has been verified. A combination of exposure in vivo, a form of behaviour therapy where the patient is gradually confronted with avoided movements and activities, and interventions directly targeting a hypothesized cortical reorganisation is an interesting novel approach for treating CRPS. The present study consists of (1) a qualitative interview study with 10-15 subjects that has received this form of treatment, in order to better understand their experience and effects of the treatment, and (2) a case series with long-term follow-up of 3-5 subjects that received the treatment för 5-8 years ago, in order to study the long term effects of the treatment.

Interventions

A combination of exposure in vivo and interventions directly targeting the cortical reorganization for treating CRPS.

Sponsors

Uppsala University
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years

Inclusion criteria

* Has participated in multimodal treatment for CRPS at Uppsala University Hospital

Exclusion criteria

* Other serious physical or mental condition

Design outcomes

Primary

MeasureTime frameDescription
Diagnosis1 dayWhether the subject still fulfill diagnostic criteria for CRPS
Subjective experience1 dayA qualitative interview targeting the subjects own experience of the treatment and its effect

Secondary

MeasureTime frameDescription
Global impression of change1 dayGlobal impression of change measured with a single question (0-6, higher scores mean a better outcome)
Acceptance of pain1 day (0-156, higher scores mean a better outcome)Measured with the Chronic Pain Acceptance Questionnaire, CPAQ (0-156, higher scores mean a better outcome)
Fear of pain1 day (0-52, lower scores mean a better outcome)Measured with the Tampa Scale of Kinesiophobia, TSK (0-52, lower scores mean a better outcome)
Pain catastrophizing1 day (0-52, lower scores mean a better outcome)Measured with Pain Catastrophizing Scale, PCS (0-52, lower scores mean a better outcome)
Level of pain1 daySubjective level of pain on a Likert-scale 0-10 (NRS)
Neglect of the affected limb1 day (0-36, lower scores mean a better outcome)Measured with a five item questionnaire (0-36, lower scores mean a better outcome)
Subjective experience of quality of life 21 dayEuroQol 5D, EQ-5D (0-15, higher scores means a better outcome)
Subjective experience of quality of life 31 dayLife Satisfaction Questionnaire, LiSat 11 (11-66, higher scores means a better outcome)
Avoidance of activities1 day (0-100, lower scores mean a better outcome)Measured with the Photograph Series of Daily Activities, PHODA (0-100, lower scores mean a better outcome)
Subjective experience of quality of life1 dayQuality of life, measured with the RAND-36 (0-100, higher scores mean a better outcome)

Countries

Sweden

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026