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Long-term Safety and Efficacy of Filgotinib in Patients with Idiopathic Multicentric Castleman's Disease (iMCD)

Long-term Safety and Efficacy of Filgotinib in Patients with Idiopathic Multicentric Castleman's Disease (iMCD)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs071230120
Enrollment
5
Registered
2024-03-04
Start date
2024-03-04
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

idiopathic multicentric Castleman's disease

Interventions

Filgotinib will be administered orally as one tablet of 200 mg once daily for 44 weeks.

Sponsors

Kawakami Atsushi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who meet all of the following criteria will be included in the study. (1) Patients who completed the 8-week treatment period with investigational product in the parent study. (2) Patients aged 18 years or older who have received a sufficient explanation about the contents of the written information and other matters related to the study understood the contents and provided written voluntary consent to participate in this study. If the patient wishes to obtain a legally permissible representative, the patient has obtained written consent to participate in the research from the legally permissible representative who is likely to seek the patient's best interest. (3) Women of childbearing potential must have a negative pregnancy test and must agree to use adequate contraception. Male subjects must agree to a reliable and acceptable method of contraception (Use of spermicide, condom, or abstinence). In both cases, it is mandatory to use contraception during the study period and until 30 days after the last dose of the study drug.

Exclusion criteria

Exclusion criteria: Subjects must not have at least one of the following; (1) Known hypersensitivity to filgotinib maleate or significant allergic reaction to any drug (2) Patients in whom the period from Week 8 of the parent study to the time of enrollment in the present research exceeds seven days (3) Patients with autoimmune disease other than iMCD (Rheumatoid arthritis, systemic lupus erythematosus, Sjogren's syndrome, dermatomyositis/polymyositis, vasculitis, IgG4-related disease, Behcet's disease, etc. (but not limited to these diseases)) (4) Patients found to have HBV-DNA at or above the assay sensitivity by Week 8 in the parent study (5) Uncontrolled infection (Tuberculosis, human immunodeficiency virus, etc. (but not limited to these diseases)). Patients with a positive QuantiFERON or T-SPOT result for IFN gamma release assay (IGRA) at screening of the parent study, who have no evidence of an active disease, may participate in the present study. Patients must have completed or received appropriate anti-tuberculosis treatment for latent tuberculosis infection. (6) Patients with any of the following laboratory abnormalities at Week 8 in the parent study 1. Patients with estimated GFR 1.1 mg/dL (females), Cr > 1.3 mg/dL (males), or requiring dialysis) or bone marrow findings consistent with TAFRO syndrome (Reticulin fibrosis or megakaryocyte hyperplasia)] and exclude infection, autoimmune disease, or tumor (8) Patients of either sex who wish to have children (9) Pregnant women and lactating women (10) Patients who are considered ineligible for the study by the investigator or subinvestigator

Design outcomes

Primary

MeasureTime frame
The adverse event (Proportions of adverse events, serious adverse events, adverse drug reactions, adverse events leading to treatment discontinuation, and adverse events leading to death) Laboratory tests (Hematology, biochemistry, CT scan (contrast-enhanced), 12 lead ECG, and qualitative urinalysis)

Secondary

MeasureTime frame
The following items at Week 4 (12 weeks from the parent study), Week 10 (18 weeks), Week 18 (26 weeks), Week 26 (34 weeks), Week 34 (42 weeks), and Week 44 (52 weeks) of this research, taking Week 0 of the parent study as the baseline. 1.Change in CHAP score (CRP, hemoglobin, albumin, PS.) from baseline (2) 2.Change from Baseline in CRP (mg/dL) 3.Hemoglobin (g/dL) Change from Baseline 4.Change from Baseline in albumin (g/dL) 5.Change from Baseline in ECOG PS 6.Change from Baseline in Short-Form-36 (SF-36) 7.Change from Baseline in Physician's Global Assessment (100 mmVAS) 8.Change from baseline in Patient Global Assessment (100 mmVAS) 9.The proportion of patients achieving a 1-point reduction in CHAP score

Contacts

Public ContactShoichi Fukui

Nagasaki University Hospital

shoichi.fukui@nagasaki-u.ac.jp+81-95-819-7200

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026