Evaluating Itacitinib for treating adults with systemic sclerosis
Official title: Safety and Efficacy of Itacitinib in Adults With Systemic Sclerosis: a Phase II, Randomized, Controlled Trial
Run by Assistance Publique - Hôpitaux de Paris · NCT04789850 · Data updated 2026-11-12
This study is testing if a new medication called itacitinib can help adults with systemic sclerosis feel better and reduce skin thickening.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 74 (estimated) |
| Sponsor | Assistance Publique - Hôpitaux de Paris Academic / other |
| Drugs / interventions | rituximab, tocilizumab, itacitinib, methotrexate, cyclophosphamide |
| Locations | 46 sites (Amiens and 45 other locations) |
| Status | Recruiting |
| Started | February 2, 2023 |
| Main results expected | February 2026 |
| Study ends | February 2026 |
| Registry record updated | November 20, 2025 |
| Trial ID | NCT04789850 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 18 and older with a diagnosis of diffuse systemic sclerosis and specific disease activity criteria.
✕Probably not a fit
Patients with limited systemic sclerosis or those with a disease duration exceeding 36 months may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study aims to assess the safety and efficacy of itacitinib, a Janus kinase inhibitor, in adults diagnosed with systemic sclerosis (SSc). SSc is a severe autoimmune disease characterized by skin fibrosis and potential visceral involvement, leading to significant disability and poor quality of life. The trial will involve adult participants with diffuse SSc and will measure the impact of itacitinib on disease activity and skin fibrosis. Participants will be randomly assigned to receive either itacitinib or a placebo over a specified duration.
Why it matters
Potential benefit: If successful, this treatment could significantly improve the quality of life and disease outcomes for patients with systemic sclerosis.
How similar studies have gone: Previous studies have indicated the involvement of the JAK-STAT pathway in systemic sclerosis, suggesting potential for success with this approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adult patient (≥18 years old) * Patient with a diagnosis of diffuse SSc, as defined by the American College of Rheumatology / EULAR 2013 criteria, * Patient with a diffuse SSc, according to Leroy and Medsger dichotomy * Patient with a SSc disease duration of less than 36 months (defined as time from first non-Raynaud phenomenon manifestation) or with an active SSc disease, as defined by EUSTAR disease activity score, * Patient with a modified Rodnan skin score (mRSS) ≥ 10 and ≤ 35 units at screening, * Negative pregnancy test for woman of childbearing potential, woman of childbearing potential should have reliable contraception for the 12 months' duration of the study, * Patient able to give written informed consent prior to participation in the study, * Affiliation to a social security scheme (profit or being entitled) * If patients receive mycophenolate or methotrexate for SSc, these need to be on stable dose as follows: * Mycophenolate mofetil/sodium: stable dose for at least 2 months prior to randomisation * Methotrexate: stable dose and route of administration for at least 2 months prior to randomisation Exclusion Criteria: * Previous treatment with itacitinib or a Janus kinase (JAK) inhibitor, * Contra-indications to itacitinib or Janus kinase inhibitor, * Failure to sign the informed consent or unable to consent * Patient participating in another investigational therapeutic study, * Acute or chronic active infections, including HBV, HCV, HIV, * Patient with other uncontrolled diseases, including drug or alcohol abuse, severe psychiatric diseases, that could interfere with participation in the trial according to the protocol, * Patient suspected not to be observant to the proposed treatments, * Patient who have white blood cell count ≤ 4,000/mm3, * Patient who have platelet count ≤ 100,000/mm3, * Patients who have ALT or AST level greater that 3 times the upper limit of normal, * Patient who have triglyceride level greater than 5g/L * Pregnant or breastfeeding woman, * Protected adults (including individual under guardianship by court order), * Patient receiving or having received cyclophosphamide or rituximab within the last three months (possible inclusion beyond 3 months), * Patient receiving or having received a biotherapy (anti-TNF, abatacept or tocilizumab) in the last 3 months (possible inclusion beyond 3 months) * Patient with Systemic Lupus, or Sjögren's syndrome with systemic manifestations justifying immunosuppressive therapy * Atherosclerotic cardiovascular disease as defined by a history of myocardial infarction, ischaemic stroke, or peripheral artery thrombosis * Anti-phospholipid syndrome
Where it's running
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CH Amiens
Amiens, France Recruiting -
CHU Angers
Angers, France Recruiting -
CHU Annecy
Annecy, France Recruiting -
CHU Besançon
Besançon, France Recruiting -
Avicenne Hospital
Bobigny, France Recruiting -
CHU Bordeaux
Bordeaux, France Recruiting
Show 40 more locations
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CHU Bordeaux
Bordeaux, France Recruiting -
Ambroise Paré hospital
Boulogne-Billancourt, France Recruiting -
Hôpital de la Cavale Blanche
Brest, France Recruiting -
CHU Caen
Caen, France Recruiting -
CHU Gabriel Montpied
Clermont-Ferrand, France Recruiting -
Henry Mondor hospital
Créteil, France Recruiting -
CH Dax-Côte d'ARgent
Dax, France Recruiting -
CHU Dijon
Dijon, France Recruiting -
CHU Grenoble
Grenoble, France Recruiting -
CHU Grenoble
Grenoble, France Recruiting -
CH Le Mans
Le Mans, France Recruiting -
CHU Lille
Lille, France Recruiting -
CHU Limoges
Limoges, France Recruiting -
CHU Lyon sud
Lyon, France Recruiting -
Hôpital Nord
Marseille, France Recruiting -
La Timone Hospital
Marseille, France Recruiting -
La Timone Hospital
Marseille, France Recruiting -
Robert Schuman Hospital
Metz, France Recruiting -
CHU Montpellier - rhumatology
Montpellier, France Recruiting -
CHU Montpellier - St Eloi Hospital
Montpellier, France Recruiting -
CHU Nancy
Nancy, France Recruiting -
CHU Nantes
Nantes, France Recruiting -
Hopital L'Archet 1
Nice, France Recruiting -
Hospital Pasteur - CHU Nice
Nice, France Recruiting -
La Pitié-Salpêtrière
Paris, France Recruiting -
La Pitié-Salpêtrière
Paris, France Recruiting -
Cochin Hospital
Paris, France Recruiting -
CHU Poitiers
Poitiers, France Recruiting -
CH de Cornouaille
Quimper, France Recruiting -
Robert Debré Hospital
Reims, France Recruiting -
Hôpital Sud
Rennes, France Recruiting -
CHU Saint Etienne
Saint-Etienne, France Recruiting -
Nouvel Hospital Civil
Strasbourg, France Recruiting -
Rangueil Hospital
Toulouse, France Recruiting -
CHU Tours
Tours, France Recruiting -
CH Valenciennes
Valenciennes, France Recruiting -
Hôpitaux de Barbois
Vandœuvre-lès-Nancy, France Recruiting -
Saint Antoine Hospital
Paris, France Not yet recruiting -
Hospital Croix St Simon
Paris, France Not yet recruiting -
CHU Rouen
Rouen, France Not yet recruiting
Study contacts
- Principal investigator: Benjamin Chaigne, MD — Assistance Publique - Hôpitaux de Paris
- Study coordinator: Benjamin Chaigne, MD
- Email: benjamin.chaigne@aphp.fr
- Phone: +33 1 58 41 41 17
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.