Clinical trial • Phase III • Immunology

FILGOTINIB for Juvenile idiopathic arthritis

Phase III trial of FILGOTINIB for Juvenile idiopathic arthritis. open-label, none/not specified-controlled. 9 participants.

Overview

Trial Therapeutic Area
Immunology
Trial Disease
Juvenile idiopathic arthritis
Trial Stage
Phase III
Drug Modality
Small molecule
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
21-11-2025
First CTIS Authorization Date
01-04-2026

Trial design

open-label, none/not specified-controlled Phase III trial across 3 sites in France, Germany.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
9

Eligibility

Recruits 9 paediatric patients.

Pregnancy Exclusion
Pregnancy.
Vulnerable Population
The trial enrols children and adolescents aged 8 to <18 years. The protocol requires that the subject and/or parent/legal guardian be able and willing to comply with protocol requirements and that they "must sign and date the informed consent form and assent (if required per local regulation) as approved by the Independent Ethics Committee/Institutional Review Board, prior to any protocol evaluations." Age‑appropriate assent and parent/legal guardian consent processes are used.

Inclusion criteria

  • {"criterion_text":"- Subject must have completed treatment with filgotinib in at least one parent study (GLPG0634-CL-131, GLPG0634-CL-329, or GLPG0634-CL-328) and achieved a clinical benefit at the end of the parent protocols.\n- Subject and/or parent/legal guardian must be able and willing to comply with the clinical study protocol requirements and must sign and date the informed consent form and assent (if required per local regulation) as approved by the Independent Ethics Committee/Institutional Review Board, prior to any protocol evaluations.\n- Female or male subject 8 to <18 years of age, on the date of signing the informed consent and assent (per local regulation) form.\n- Female subject of childbearing potential who is sexually active and at risk for pregnancy must agree to use contraception/preventive exposure measures as described in the clinical study protocol."}

Exclusion criteria

  • {"criterion_text":"- Development of any condition during the parent study that would preclude safe continuation.\n- Pregnancy.\n- Active infection that is clinically significant, as per Investigator’s judgment.\n- Subject with known hypersensitivity to the components of potential study therapy.\n- Subjects with any condition or circumstances (including abnormalities in laboratory parameters) that, in the opinion of the investigator, may make a subject unlikely or unable to complete the study or comply with study procedures and requirements."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Frequency and severity of treatment-emergent adverse events (TEAEs), treatment-emergent serious adverse events (SAEs), and TEAEs leading to treatment discontinuation at each visit throughout the duration of the study.","definition_or_measurement_approach":"Assessed at each visit throughout the duration of the study (frequency and severity of TEAEs, SAEs, and TEAEs leading to treatment discontinuation)."}

Secondary endpoints

  • {"endpoint_text":"- Percentage of subjects with JIA American College of Rheumatology (ACR) 30 response over time.","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Percentage of subjects with JIA ACR inactive disease.","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Percentage of subjects with JIA ACR clinical remission over time.","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Incidence of treatment-emergent uveitis (including severity).","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Duration of response.","definition_or_measurement_approach":""}

Recruitment

Planned Sample Size
9
Recruitment Window Months
43
Consent Approach
Informed consent must be signed and dated by the subject and/or parent/legal guardian prior to any protocol evaluations; assent is required if local regulation requires it. Age-specific participant information and consent/assent documents are provided (documents listed include assent forms for ages 8-11 and 12-17, parent ICF, pregnancy handouts, and non-reader versions). Consent/assent documents are available in the provided languages as indicated by document titles (French and German; English documents are present for some protocol synopses and questionnaires).

Geography

Total Number Of Sites
3
Total Number Of Participants
9

France

Earliest CTIS Part Ii Submission Date
24-02-2026
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
36
Number Of Sites
1
Number Of Participants
9

Sites

Site Name
Bicetre Hospital
Department Name
Pediatric-rheumatology and emergency medicine
Principal Investigator Name
Isabelle Kone-Paut
Principal Investigator Email
Isabelle.kone-paut@aphp.fr
Contact Person Name
Isabelle Kone-Paut
Contact Person Email
Isabelle.kone-paut@aphp.fr

Germany

Earliest CTIS Part Ii Submission Date
13-03-2026
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
47
Number Of Sites
2
Number Of Participants
9

Sites

Site Name
Hamburger Zentrum für Kinder- und Jugendrheumatologie
Department Name
Pediatric Rheumatology
Principal Investigator Name
Ivan Foeldvari
Principal Investigator Email
foeldvari@t-online.de
Contact Person Name
Ivan Foeldvari
Contact Person Email
foeldvari@t-online.de
Site Name
Asklepios Klinik Sankt Augustin GmbH
Department Name
Pediatrics
Principal Investigator Name
Gerd Horneff
Principal Investigator Email
g.horneff@asklepios.com
Contact Person Name
Gerd Horneff
Contact Person Email
g.horneff@asklepios.com

Sponsor

Primary sponsor

Full Name
Alfasigma S.p.A.
Organisation Type
Pharmaceutical company
Country Of Registered Address
Italy

Contract research organisations

Name
Suvoda LLC
Responsibilities
sponsorDuties code: 3
Name
Medidata Solutions Inc.
Responsibilities
sponsorDuties code: 7
Name
Quipment
Responsibilities
sponsorDuties code: 15; supply of pregnancy kits
Name
IQVIA Limited
Responsibilities
sponsorDuties codes: 1,10,11,12,15 (Medical monitoring),2,5,6; medical monitoring noted
Name
Almac Clinical Services Limited
Responsibilities
sponsorDuties code: 15; Medicinal product production, QP certification and release, overall distribution and destruction of reconciled IMP

Third parties

  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"sponsorDuties code: 3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"sponsorDuties code: 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"France","full_name":"Quipment","duties_or_roles":"sponsorDuties code: 15; value: supply of pregnancy kits","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"sponsorDuties codes: 1, 10, 11, 12, 15 (Medical monitoring), 2, 5, 6; value noted for code 15: Medical monitoring","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom (Northern Ireland)","full_name":"Almac Clinical Services Limited","duties_or_roles":"sponsorDuties code: 15; value: Medicinal product production, QP certification and release, overall distribution and destruction of reconciled IMP","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
GLPG0634
Active Substance
FILGOTINIB
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL
Authorisation Status
prodAuthStatus: 1 (investigational / not-marketed as indicated in dataset)
Maximum Dose
100 mg
Investigational Product Name
Jyseleca 100 mg film-coated tablets
Active Substance
FILGOTINIB
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL
Authorisation Status
Authorised (marketingAuthNumber: EU/1/20/1480/001 / prodAuthStatus: 2)
Maximum Dose
100 mg
Investigational Product Name
Jyseleca 200 mg film-coated tablets
Active Substance
FILGOTINIB
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL
Authorisation Status
Authorised (marketingAuthNumber: EU/1/20/1480/003 / prodAuthStatus: 2)
Maximum Dose
200 mg

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