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Trial of efficacy and safety of NS-229 versus placebo in patients with Eosinophilic Granulomatosis With Polyangiitis
EU CTIS ID: 2023-504245-32-00
What this study is testing
The primary objectives of the study are to investigate the efficacy and safety of NS 229 compared with placebo by analyzing number of EGPA subjects in remission, and number of adverse events.
- Therapeutic exploratory (Phase II)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- 1) Ability to provide written informed consent prior to participation in the study. Subjects must be able to read, comprehend, and write at a level sufficient to complete study-related materials
- 2) Male or female subjects aged ≥18 years at the time the informed consent form is signed
- 3) Diagnosis of EGPA: Subjects who have been diagnosed with EGPA based on the history or presence of eosinophilia plus at least a history or presence of 2 of the following additional features of EGPA: a) A biopsy showing histopathological evidence of eosinophilic vasculitis, perivascular eosinophilic infiltration, or eosinophil-rich granulomatous inflammation b) Neuropathy, mono or poly c) Pulmonary infiltrates, non-fixed d) Sinonasal abnormality e) Cardiomyopathy f) Glomerulonephritis g) Alveolar hemorrhage h) Palpable purpura i) Positive test result for ANCA j) Asthma
- 4) 4a: BVAS ≥3 on date of screening visit, using the standard 28-day look-back period and prednisone/prednisolone dose ≥7.5 mg/day. OR 4b: Disease activity of EGPA within 60 days of screening visit that is equivalent to BVAS ≥3 and prednisone/prednisolone dose ≥20 mg/day on day of screening.
- 5) Female subjects of childbearing potential must commit to the consistent and correct use of highly effective methods of contraception from the time of informed consent until 90 days after the last dose of study treatment. Male subjects with pregnant partners or nonpregnant partners of childbearing potential must agree to use adequate and reliable contraception from informed consent (screening) until 90 days after the last dose of study treatment. (see Appendix 3 for additional guidance).
You likely can't join if
- 1) Current diagnosis of either granulomatosis with polyangiitis or microscopic polyangiitis
- 18) Subjects who are pregnant, breastfeeding, or planning to become pregnant during the time of study participation
- 19) History of clinically significant drug or alcohol abuse within the last 6 months
- 2) Imminently life-threatening EGPA defined as the presence of any of the following manifestations as active disease at the time of screening: a) Hospitalization in an intensive care unit b) Severe alveolar hemorrhage requiring transfusion or ventilation, or hemoglobin <8 g/dL (<80 g/L) or drop in hemoglobin of >2 g/dL (>20 g/L) over a 48-hour period due to alveolar hemorrhage c) Rapidly progressive glomerulonephritis over a 48-hour period d) Severe gastrointestinal involvement e) Severe central nervous system involvement f) Severe cardiac involvement
- 20) Receipt of treatment with an IP within the past 30 days or 5 terminal phase half-lives of the IP, whichever is longer, prior to screening
- 21) Current participation in any other interventional clinical study
See the full eligibility criteria
Who can join
- 1) Ability to provide written informed consent prior to participation in the study. Subjects must be able to read, comprehend, and write at a level sufficient to complete study-related materials
- 2) Male or female subjects aged ≥18 years at the time the informed consent form is signed
- 3) Diagnosis of EGPA: Subjects who have been diagnosed with EGPA based on the history or presence of eosinophilia plus at least a history or presence of 2 of the following additional features of EGPA: a) A biopsy showing histopathological evidence of eosinophilic vasculitis, perivascular eosinophilic infiltration, or eosinophil-rich granulomatous inflammation b) Neuropathy, mono or poly c) Pulmonary infiltrates, non-fixed d) Sinonasal abnormality e) Cardiomyopathy f) Glomerulonephritis g) Alveolar hemorrhage h) Palpable purpura i) Positive test result for ANCA j) Asthma
- 4) 4a: BVAS ≥3 on date of screening visit, using the standard 28-day look-back period and prednisone/prednisolone dose ≥7.5 mg/day. OR 4b: Disease activity of EGPA within 60 days of screening visit that is equivalent to BVAS ≥3 and prednisone/prednisolone dose ≥20 mg/day on day of screening.
- 5) Female subjects of childbearing potential must commit to the consistent and correct use of highly effective methods of contraception from the time of informed consent until 90 days after the last dose of study treatment. Male subjects with pregnant partners or nonpregnant partners of childbearing potential must agree to use adequate and reliable contraception from informed consent (screening) until 90 days after the last dose of study treatment. (see Appendix 3 for additional guidance).
What rules you out
- 1) Current diagnosis of either granulomatosis with polyangiitis or microscopic polyangiitis
- 18) Subjects who are pregnant, breastfeeding, or planning to become pregnant during the time of study participation
- 19) History of clinically significant drug or alcohol abuse within the last 6 months
- 2) Imminently life-threatening EGPA defined as the presence of any of the following manifestations as active disease at the time of screening: a) Hospitalization in an intensive care unit b) Severe alveolar hemorrhage requiring transfusion or ventilation, or hemoglobin <8 g/dL (<80 g/L) or drop in hemoglobin of >2 g/dL (>20 g/L) over a 48-hour period due to alveolar hemorrhage c) Rapidly progressive glomerulonephritis over a 48-hour period d) Severe gastrointestinal involvement e) Severe central nervous system involvement f) Severe cardiac involvement
- 20) Receipt of treatment with an IP within the past 30 days or 5 terminal phase half-lives of the IP, whichever is longer, prior to screening
- 21) Current participation in any other interventional clinical study
- 22) Unwilling or unable to comply with the protocol
- 23) Suspected, probable, or confirmed diagnosis of active COVID-19
- 24) Other concurrent disease and/or medical condition that may put the subject at risk or may influence the results of the study or the subject’s ability to complete the entire duration of the study
- 3) History or presence of any form of cancer within 5 years prior to screening, with the exception of excised basal cell or squamous cell carcinoma of the skin, or carcinoma in situ such as cervical or breast carcinoma in situ that has been excised or resected completely and is without evidence of local recurrence or metastasis.
- 4) Serious liver, renal, blood, or psychiatric disease a) Moderate and severe hepatic impairment by the Child-Pugh scoring system
- 10) Parasitic infection: Subjects with a known parasitic infestation within 6 months prior to screening
- 5) Severe or clinically significant cardiovascular disease uncontrolled with standard treatment
- 6) Electrocardiogram measurement of corrected QT by Fridericia >450 ms
- 7) Other concurrent medical conditions: Subjects who have known, preexisting, clinically significant endocrine, autoimmune, metabolic, neurologic, renal, gastrointestinal, hepatic, hematologic, respiratory, or any other system abnormalities that are not associated with EGPA and are uncontrolled with standard treatment and considered by the Investigator to be a contraindication for the subject to participate in the study
- 8) Active tuberculosis (TB) or meets TB exclusionary parameters [German, Italy, Spain, and French subjects:] Active, previous, or latent tuberculosis (TB) or meets TB exclusionary parameters
- 9) Active systemic infections
- 25) French subjects: persons under court protection, persons not affiliated to a social security system, protected adults ((Art. L. 1121-5), Art. L. 1121-6, Art. L. 1121-8, Art. L. 1121-8-1).
- 11) HIV-positive status
- 12) Active hepatitis due to hepatitis B virus or hepatitis C virus
- 13) History of hypersensitivity to the investigational product (IP) and prednisolone/prednisone, its excipients, or similar drugs (JAK inhibitors) and if used, to mepolizumab or benralizumab.
- 14) Known history or presence of venous thromboembolism/venous thrombotic events
- 15) Use of any of the following prohibited medications within the time points specified: a) Requirement of an OGC dose of prednisolone/prednisone >60 mg/day at baseline b) Previous receipt of a Janus kinase inhibitor c) Initiation of treatment with mepolizumab after screening d) Omalizumab within 130 days prior to baseline e) Rituximab within 180 days prior to baseline f) Dupilumab within 100 days prior to baseline g) Reslizumab within 120 days prior to baseline h) Initiation of treatment with Benralizumab after screening (Visit 1) i) Intravenous or subcutaneous immunoglobulin within 180 days prior to baseline j) Interferon-α within 180 days prior to baseline k) Antitumor necrosis factor therapy within 12 weeks prior to baseline l) Anti-CD52 within 180 days prior to baseline m) Cyclophosphamide (CYC): Subjects who received a CYC-based induction regimen may be randomized a minimum of 2 weeks after the last dose of daily oral CYC, or 3 weeks after the last dose of intravenous CYC, if their total WBC count is ≥4 × 109/L n) Any non-glucocorticoid immunosuppressive therapy (excluding CYC, mepolizumab or benralizumab) within 7 days prior to baseline o) The medications, as per the list of medications listed in Appendix 8 of the protocol, are prohibited within 7 days or 5 half-lives prior to baseline, whichever is longer.
- 16) Receipt of any live vaccine within 4 weeks prior to the first dose of study treatment or expected need for live vaccination during study participation including at least 4 weeks after the last dose of study treatment
- 17) Other laboratory parameter exclusions: a) Estimated glomerular filtration rate of <30 mL/min/1.73 m2 by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations (2021 CKD-EPI Creatinine) b) WBC count <4 × 109/L c) Absolute lymphocyte count <500 cells/mm3 d) Absolute neutrophil count <1000 cells/mm3 e) Platelet count <120,000/mm3 f) Hemoglobin <8 g/dL (<80 g/L)
The study team makes the final eligibility decision.
Where it's taking place
- United States
- Japan
- Canada
- United Kingdom
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include United States; Japan; Canada; United Kingdom. Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.