JIR ongoing projects
Note : Patients in our database who prefer not to participate in specific projects are encouraged to communicate their choice to their physicians or to contact our Data Protection Officer. Please mention the project name.
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Thank you for being part of our valuable medical research community.
Cr-FMF: Colchicine-resistance in familial Mediterranean fever
This project focuses on patients with familial Mediterranean fever (FMF), a rare genetic disease that causes repeated episodes of fever and inflammation.
The standard treatment for FMF is a medication called colchicine, which helps prevent attacks and complications. However, in some patients, colchicine alone is not enough to control the disease: this situation is known as colchicine resistance.
Today, different doctors and centers may use different criteria to decide when colchicine is no longer effective and when additional treatments (such as biologic drugs) are needed. This can lead to unequal access to therapies and inconsistent care for patients across countries and healthcare systems.
The aim of this project is to compare the information reported by physicians through the JIR CliPS questionnaires with the real-world clinical data recorded in three large international registries. By doing so, we seek to understand how colchicine resistance in FMF is identified and managed in everyday practice, and to assess the consistency and completeness of these different data sources regarding disease activity, treatment history, and laboratory markers.
Basically, we aim to compare what physicians report about colchicine resistance in clinical practice through standardized questionnaires (the JIR CliPS questionnaires) with what is actually done, as documented in international patient registries.
By comparing how doctors across different countries recognize and treat colchicine-resistant FMF, the project will help highlight differences between clinical guidelines and real-world practice, identify patterns in how resistance is suspected and treated, support the creation of a shared international definition of colchicine resistance, promote more equal and personalized care for FMF patients, regardless of where they live.
Ultimately, our goal is to improve understanding, reduce disparities, and help patients receive the right treatment at the right time.
Multicentric project
Versailles Hospital
Dr Veronique Hentgen, Dr Saverio La Bella
jNPSLE juvenile neuropsychiatric systemic lupus erythematosus : épidemiological study
Epidemiological description of the JIR-cohort juvenile neuropsychiatric lupus erythematosous. Preliminary study, that will pave the path for a secondary descriptive study about affected neuropsychiatric systemic lupus in pediatric-onset lupus.
Multicentric project
APHP - Trousseau
Isabelle Melki, Aurélia Carbasse, Stéphanie Antoun
FOREUM project
We are part of an international research study focused on finding better treatment strategies for children and adolescents living with lupus. Because lupus in young people is rare, it is important to combine data from different countries to better understand the disease.
Our registry shares data securely with teams at the University of Liverpool (UK) and Duke University (USA), who are working with other large registries in the UK and the US. The goal is to define targets for treatment, such as “remission” or “low disease activity,” and understand how achieving these targets affects the long-term health of patients.
Eve Smith and Rebecca Sadun for University of Liverpool
Alexandre Belot (responsible for JIRcohort data)
Kawasaki Anakinra - Anakinra in Kawasaki Disease: Impact on Coronary Aneurysms and Inflammatory Markers
This study evaluates the effect of Anakinra on inflammation and coronary aneurysms in children
with Kawasaki disease. It aims to improve therapeutic strategies and long-term cardiovascular
outcomes.
Perrine Dusser-Benesty, AP-HP - Bicêtre Hospital, Paris, France
Use of Ilaris® in Swiss FMF, TRAPS and HIDS/MKD patients
The Swiss Federal Office of Public Health, the BAG (Bundesamt für Gesundheit), asks Novartis Switzerland to share with them a yearly report indicating the use of canakinumab in Swiss patients with FMF, MKD or TRAPS. These reports will allow the BAG to evaluate the economic impact of this treatment.
The raw data is analyzed by the Fondation RES’ team who will prepare a report with aggregated data. No individual data will be shared with Novartis and the BAG.
Multicentric project (Only Swiss center) - Fondation RES
InflammaZINC - Study of Zinc Status in Patients with Autoinflammatory Diseases
Autoinflammatory diseases are rare conditions in which the immune system becomes overactive, causing repeated episodes of fever, pain, and inflammation. Zinc is an essential nutrient that helps regulate the immune system. When zinc levels are too low, it may worsen inflammation. However, zinc is rarely measured in patients with autoinflammatory diseases, and its potential role in these conditions is still unclear.
This study aims to analyze retrospectively the medical records of patients followed at Versailles hospital for an autoinflammatory disease who had their zinc levels tested. We want to find out whether these patients are more likely to have a zinc deficiency and whether this deficiency is linked to more active disease or higher levels of inflammation in the blood.
The goal is to better understand how zinc may influence these diseases and whether checking zinc levels could help improve patient care in the future — for example, through dietary advice or supplementation if needed.
Monocentric project
Dr Philippe Mertz, Dr Véronique Hentgen, Centre Hospitalier de Versailles
CAPS-MEO : Eosinophilic meningitis associated with Cryopyrin-associated periodic syndromes
Cryopyrin-associated periodic syndromes (CAPS) are auto-inflammatory diseases caused by a mutation in the NLRP3 gene, leading to excessive inflammation. The aim of this research project is to describe the possible association between CAPS and eosinophilic meningitis, a previously undescribed complication of this disease. Eosinophilic meningitis is generally associated with infectious or inflammatory causes, and remains little studied in the context of autoinflammatory diseases.
Moscovici Cécilia, Dr Paul Legendre, CH Le Mans, France
Anti-IFN-alpha2 AAbs in a french multicentric cohort of pediatric patients with SLE
Assess the presence of anti-IFN-alpha2 AAbs in a french multicentric cohort of pediatric patients with SLE
Alexandre Belot, Hospices Civils de Lyon, Lyon, France
Serum calprotectin: a marker of inflammatory activity in familial Mediterranean fever
Familial Mediterranean fever (FMF) is a genetic disease characterized by recurrent episodes of inflammation. It typically requires two pathogenic variants for manifestation, but some patients with only one variant may develop moderate symptoms. Currently, no specific activity marker has been identified, as classical inflammatory markers lack specificity. This study aims to determine whether serum calprotectin could serve as a specific biomarker of FMF activity and whether it could help guide the decision to initiate colchicine treatment in heterozygous patients.
Fanny Faron, Veronique Hentgen :
Paediatric Rheumatology, Versailles Hospital, Versailles, France;
CEREMAIA: French National Reference Center for Auto-inflammatory Diseases and AA Amyloidosis, Paris, France.
Juvenile Idiopathic Arthritis (JIA) in Infants
Understanding a Rare Condition in Early Childhood
Juvenile idiopathic arthritis (JIA) is a type of joint inflammation that affects children. When it appears in infants under 1 year old, it is very rare and can be difficult to recognize. Early signs might be subtle, and diagnosis can take time.
What Is This Study About?
Our study focuses on understanding how JIA shows up in babies, including:
· What the first symptoms are
· How long it takes to get a diagnosis
· What types of JIA occur
· What treatments are used
· How the condition affects children over time
We also compare these babies with slightly older children (ages 1 to 6) who also have JIA, to see how the disease might differ by age.
Takeaway Message
If your baby shows unexplained swelling, stiffness, or pain in their joints – especially without signs of infection – talk to a pediatrician or specialist. The sooner we understand what’s going on, the better we can help.
Timmy Strauss and Catharina Schuetz
Department of Pediatrics, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany



