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Sarcopenia and Juvenile Idiopathic Arthritis (SAJI)
Prevalence Study of Sarcopenia in Juvenile Idiopathic Arthritis
Juvenile idiopathic arthritis (JIA) is a rare chronic inflammatory rheumatic disease that begins during childhood and may persist into adulthood in many patients. In addition to joint pain, swelling, and long-term articular damage, chronic inflammatory diseases may also be associated with early sarcopenia, defined as a loss of muscle strength and muscle mass. While this association has been described in adult inflammatory rheumatic diseases, it has not been well studied in patients with JIA.
The aim of this study is to screen for sarcopenia in adolescents and adults with JIA in France. Sarcopenia will be assessed using validated questionnaires, hand grip strength measured with a Jamar dynamometer, and body composition measured by dual-energy X-ray absorptiometry (DEXA). Completion of validated questionnaires will assess nutritional status, fatigue, physical activity, and functional impact. Socio-demographic and clinical data will also be collected from medical records.
This multicenter cross-sectional study will be conducted between June 2026 and October 2027 in 11 French hospitals. Eligible participants are patients aged 15 to 40 years with JIA diagnosed according to ILAR criteria and followed in a French hospital.
This study will provide the first estimate of sarcopenia prevalence among patients with JIA in France. It will also help identify factors associated with sarcopenia and its impact on daily functioning and quality of life. In the longer term, the findings may help clinicians better identify patients at risk and support earlier management focused on disease control, physical activity, and nutritional care.
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
This is a national multicenter cross-sectional study conducted in 11 French hospitals between June 2026 and October 2027. The study aims to assess sarcopenia in adolescents and adults with juvenile idiopathic arthritis (JIA) during a routine rheumatology follow-up visit.
After receiving study information and providing informed consent (with parental/legal guardian consent for minors, according to applicable regulations), participants will undergo a standardized single study assessment during routine care. This assessment will include measurement of hand grip strength using a Jamar dynamometer, whole-body dual-energy X-ray absorptiometry (DEXA) for body composition and appendicular lean mass evaluation, and completion of validated questionnaires addressing nutritional status, fatigue, physical activity, and functional impact. Additional socio-demographic and clinical data related to JIA history, disease characteristics, and treatments will be collected from medical records.
The study is designed to estimate the prevalence of sarcopenia in patients with JIA in France and to explore factors associated with sarcopenia and its functional impact. If sarcopenia is identified, additional management may be proposed by the treating physician as part of usual care.
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: Ambre HITTINGER-ROUX
- Telefoonnummer: 0033 03 10 73 67 07
- E-mail: ahittinger-roux@chu-reims.fr
Studie Contact Back-up
- Naam: Jean-Hugues SALMON
- Telefoonnummer: 0033 03 26 78 44 21
- E-mail: jhsalmon@chu-reims.fr
Studie Locaties
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Reims, Frankrijk
- Marie Muller
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Contact:
- Ambre HITTINGER-ROUX
- Telefoonnummer: 0033 03 10 73 67 07
- E-mail: ahittinger-roux@chu-reims.fr
-
Contact:
- Jean-Hugues SALMON
- Telefoonnummer: 0033 03 26 78 44 21
- E-mail: jhsalmon@chu-reims.fr
-
-
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
Accepteert gezonde vrijwilligers
Beschrijving
inclusion criteria :
- Patients followed in French hospitals participating in the study for juvenile idiopathic arthritis, all forms combined, diagnosed according to the ILAR criteria defined in Edmonton in 2001
- Patients aged 15 to 40 years
- Affiliated to social security
- Agreeing to participate in the study and having given their written consent (signed consent form).
In the case of a minor patient, the consent of the patient and their legal guardians is required.
exclusion criteria :
- Patient under legal guardianship
- Patient not covered by social security
- Pregnant woman
- Inability to perform a functional test required by the study (grip test or whole-body DEXA scan)
- Inability to understand the questionnaires
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Screening
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Ander: Patients with juvenile idiopathic arthritis
Single group of adolescents and adults with juvenile idiopathic arthritis undergoing a standardized sarcopenia screening assessment at inclusion.
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Participants will undergo a standardized single-visit assessment including hand grip strength measurement, whole-body DEXA scan for body composition, validated questionnaires, and collection of socio-demographic and clinical data from medical records.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Sarcopenia
Tijdsspanne: Day 1
|
A cross-sectional assessment of sarcopenia for each included patient will be performed at a participating hospital center: Performance of a hand grip test using a hand dynamometer (3 consecutive measurements on the dominant hand) and a whole-body DEXA scan with measurement of the appendiceal mass index Confirmation by the best grip test value < -2 SD according to the patient's age and sex on the reference curves associated with a pathological whole-body DEXA (appendiceal mass index ≤ 7 kg/m2 for men, ≤ 5.5 kg/m2 for women) |
Day 1
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Fatigue assessed by FACIT-F
Tijdsspanne: Day 1
|
Fatigue assessed using the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) questionnaire
|
Day 1
|
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Physical activity assessed by IPAQ
Tijdsspanne: Day 1
|
Physical activity assessed using the International Physical Activity Questionnaire (IPAQ)
|
Day 1
|
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Functional disability assessed by HAQ-DI
Tijdsspanne: Day 1
|
Functional disability assessed using the Health Assessment Questionnaire Disability Index (HAQ-DI).
|
Day 1
|
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Health-related quality of life assessed by SF-12
Tijdsspanne: Day 1
|
Health-related quality of life assessed using the 12-Item Short Form Health Survey (SF-12).
|
Day 1
|
Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Neurologische manifestaties
- Musculoskeletale aandoeningen
- Ziekten van het zenuwstelsel
- Neuromusculaire manifestaties
- Pathologische aandoeningen, anatomisch
- Artritis
- Gewrichtsziekten
- Reumatische aandoeningen
- Bindweefselziekten
- Auto-immuunziekten
- Ziekten van het immuunsysteem
- Spieratrofie
- Atrofie
- Pathologische aandoeningen, tekenen en symptomen
- Huid- en bindweefselaandoeningen
- Tekenen en symptomen
- Artritis, jeugd
- Sarcopenie
Andere studie-ID-nummers
- PL26052
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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