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Phenotyping of Chronic Pain in Diffused Systemic Scleroderma

Phenotyping of Chronic Pain in Diffused Systemic Scleroderma: Characteristics and Perturbations of Mechanisms of Pain, Impact on the Quality of Life and Correlations of Fatigue, Sleeping Disorders and Mood or Anxiety Disorders

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05622578
Acronym
PAIN SSc
Enrollment
100
Registered
2022-11-18
Start date
2022-10-19
Completion date
2024-10-04
Last updated
2024-12-04

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

Conditions

Scleroderma, Diffuse, Scleroderma, Systemic

Keywords

scleroderma, phenotyping

Brief summary

The primary objective of the study is to describe the different phenotyping of pain in systemic scleroderma patients and perturbations of mechanisms of the pain. As secondary objectives, the study aims to describe the importances of overall symptoms in alteration of quality of life and conserve the questions which will be associated in a unique questionnaire in order to evaluate the pain, the fatigue and the sleeping disorders in diffused systemic scleroderma patients.

Detailed description

This is a prospective, non-randomized, controlled study. Beside the routine care, the patients will have only one visit in the study during which the informed consent will be signed, also the following will be performed: pain evaluation, blood sampling, questionnaires and Sudoscan, test QST. 100 patients will be enrolled in total with 50 in each group (scleroderma with pain vs. scleroderma without pain, 1:1 ratio), the duration of inclusion is estimated for 23 months. 2 centers will be involved in the enrollment of patients: rheumatology department and interne medicine department of Cochin hospital-APHP. One center will perform the evaluations of pain for all patients: center of pain of Cochin hospital - APHP.

Interventions

OTHERQST, CPM and Paisudoscan

Quantified pain tests

Sponsors

Association de patients : association sclérodermies de France
CollaboratorUNKNOWN
Assistance Publique - Hôpitaux de Paris
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients ≥ 18 years; * Patients with diffused SSc according to ACR / EULAR Classification 2013 since at least 3 months; * For group pain: pain intensity ≥4 of 11 points of scale (NRS); * For group painless: pain intensity on the month before inclusion.

Exclusion criteria

* Patients unable to understand french language; * Patients no-affiliated to the french social security scheme; * Patients under the french AME scheme; * Patients under guardianship; * Pregnant and breastfeeding patients; * Patients with thermoalgesic neuropathy; * Articular pain from degenerative diseases (known osteoarthritis); * Patients under antidepressant; * Temporary discontinuation of analgesics which are not well tolerated.

Design outcomes

Primary

MeasureTime frameDescription
Assessment of pain by FiRSTat baselinePain will be evaluated by the Fibromyalgia Rapid Screening Tool (FiRST).
Assessment of pain by DN4at baselinePain will be evaluated by the Douleur Neuropathique (DN4) questionnaire as tool.
Assessment of painat baselineMcGill Pain Questionnaire (MPQ) will be used. McGill Pain Questionnaire is a self-report questionnaire for multidimensional pain assessment in chronic pain.
Assessment of pain by NRSat baselinePain will be evaluated by the numerical pain rating scale (NRS).
Assessment of pain by Pain Detect Questionnairesat baselinePain will be evaluated by the painDETECT questionnaire.
Assessment of pain by BPIat baselinePain will be evaluated by the Brief Pain Inventory (BPI)

Secondary

MeasureTime frameDescription
Assessment of quality of life by questionnaire HAQ.at baselineBy questionnaire HAQ.
SSc-SAQ questionnaire developmentthrough study completion, an average of 2 yearsQuestionnaire of symptoms associated with SSc.
Assessment of quality of life by questionnaire EQ5Dat baselineBy questionnaire EQ5D.

Countries

France

Outcome results

None listed

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