Een studie om de farmacokinetiek en veiligheid van XEMBIFY versus Gamunex-C te evalueren bij deelnemers met chronische inflammatoire demyeliniserende polyradiculoneuropathie (XPERT)
Een Open-Label, Multicenter Studie om de Farmacokinetiek en Veiligheid van XEMBIFY Versus Gamunex-C te Evalueren bij Deelnemers met Chronische Inflammatoire Demyeliniserende Polyradiculoneuropathie
The main goal of the study is to find out whether XEMBIFY, given once a week under the skin, provides similar levels of immunoglobulin G in the blood over time as Gamunex-C, which is given into a vein once every 3 weeks in people with CIDP.
Participants with CIDP will first have up to 28 days of screening to make sure they can join the study. Those who qualify will then start a 19-week treatment period with Gamunex-C. During this period, they will receive Gamunex-C through a vein once every 3 weeks, for a total of 7 doses. Approximately, one week after their last Gamunex-C dose, they will begin a 16-week treatment period with XEMBIFY under the skin, once a week for a total of 16 doses. Blood samples will be collected during both treatment periods to measure IgG level in the blood.
Studie Overzicht
Toestand
Toestand
Conditie
Conditie
Interventie / Behandeling
Interventie / Behandeling
Studietype
Studietype
Inschrijving (Geschat)
Inschrijving
Fase
Fase
- Fase 3
Contacten en locaties
Studiecontact
Studiecontact
- Naam: Sarah Duggan
- Telefoonnummer: +353 87 429 2411
- E-mail: sarah.duggan@grifols.com
Studie Contact Back-up
- Naam: Olga Titova
- E-mail: olga.titova@grifols.com
Studie Locaties
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Bydgoszcz, Polen, 85-065
- Werving
- GC2402 Study Site 206
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Katowice, Polen, 40-123
- Werving
- GC2402 Study Site 203
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Krakow, Polen, 31-870
- Werving
- GC2402 Study Site 201
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Wroclaw, Polen, 50-417
- Werving
- GC2402 Study Site 205
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Wroclaw, Polen, 54-239
- Werving
- GC2402 Study Site 207
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Târgu Mureş, Roemenië, 540140
- Werving
- GC2402 Study Site 302
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Hradec Králové, Tsjechië, 50002
- Werving
- GC2402 Study Site 401
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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California
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Rancho Mirage, California, Verenigde Staten, 92270
- Werving
- GC2402 Study Site 104
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Florida
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Coral Springs, Florida, Verenigde Staten, 33155
- Werving
- GC2402 Study Site 109
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Miami, Florida, Verenigde Staten, 33067
- Ingetrokken
- GC2402 Study Site 105
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Port Charlotte, Florida, Verenigde Staten, 33952
- Werving
- GC2402 Study Site 103
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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New York
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New York, New York, Verenigde Staten, 10003
- Werving
- GC2402 Study Site 110
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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North Carolina
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Fayetteville, North Carolina, Verenigde Staten, 28304
- Werving
- GC2402 Study Site 114
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Tennessee
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Cordova, Tennessee, Verenigde Staten, 38018
- Werving
- GC2402 Study Site 111
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Texas
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Houston, Texas, Verenigde Staten, 77074
- Werving
- GC2402 Study Site 115
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Sherman, Texas, Verenigde Staten, 75092
- Werving
- GC2402 Study Site 106
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Contact:
- Sarah Duggan
- E-mail: sarah.duggan@grifols.com
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Deelname Criteria
Geschiktheidscriteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Have typical CIDP or a CIDP variant according to the 2021 criteria established by the European Academy of Neurology/Peripheral Nerve Society (EAN/PNS). The level of diagnostic certainty may be CIDP or possible CIDP.
- Participants ≤ 90 kg in body weight and requiring an IGIV dose equivalent to 0.3-1.0 g/kg every three weeks (Q3W) inclusive and between 20-90 g of IGIV Q3W inclusive.
- Clinically stable on IGIV, defined as no recent change in CIDP treatment or experienced a CIDP relapse requiring treatment, within 12 weeks prior to Screening and through baseline visit.
Exclusion Criteria:
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Diagnosis of polyneuropathy of any other cause (including multifocal motor neuropathy; monoclonal gammopathy of uncertain significance with anti-myelin-associated glycoprotein IgM antibodies; hereditary demyelinating neuropathy; polyneuropathy, organomegaly, endocrinopathy, monoclonal protein and skin changes syndrome; lumbosacral radiculoplexus neuropathy; polyneuropathy associated with diabetes mellitus; polyneuropathy associated with systemic illnesses; or drug or toxin induced polyneuropathy).
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Severe diseases and conditions that are likely to interfere with evaluation of the study product or satisfactory conduct of the study such as the following:
- current malignancy or history of allogeneic bone marrow/stem cell transplant,
- cardiac insufficiency (New York Heart Association classes III/IV), cardiomyopathy, significant cardiac arrhythmia requiring treatment, unstable or advanced ischemic heart disease, congestive heart failure or severe hypertension
- chronic kidney disease stage IV or V
- an acquired medical condition that is known to cause secondary immune deficiency, such as chronic lymphocytic leukemia, lymphoma, multiple myeloma, chronic or recurrent neutropenia (absolute neutrophil count less than 1000/µL [1.0 × 10^9/L]), or human immunodeficiency virus (HIV) infection/acquired immune deficiency syndrome
- known bleeding disorders
- severe skin disease at the planned injection sites
- alcohol, drug or medication abuse, or
- other disorders where IGSC therapy would be contraindicated during the study.
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History of a thrombotic episode (including deep vein thrombosis, known hypercoagulable state, myocardial infarction, pulmonary embolism, or thromboembolic stroke)
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Known allergic or other severe adverse reactions to blood products including intolerability to previous IVIG up to 1 g/kg Q3W, history of hemolysis after IVIG infusion, aseptic meningitis, recurrent severe headache, hypersensitivity, or severe generalized skin reaction
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Has had a CIDP relapse requiring treatment modification within 12 weeks prior to Screening or between Screening and baseline visit
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Treatment with any of the following:
- alemtuzumab or rituximab within 12 months of Screening.
- cyclophosphamide, interferon, tumor necrosis factor-alpha inhibitors, fingolimod, or fragment crystallizable receptor (FCRn) blockers, within six months of Screening
- plasma exchange or complement inhibitors within three months of Screening.
- changes to the following treatment within three months of Screening: methotrexate, azathioprine, or mycophenolate or any other immunosuppressants within six months of Screening
- participants on corticosteroids ≥ 20 mg/day prednisone equivalent. Participants on low dose corticosteroids (< 20 mg/day prednisone equivalent) may be enrolled if dose has been stable over the last three months prior to Screening and the dosage is not likely to be adjusted during the duration of the trial (inhaled or topical corticosteroids are allowed).
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Participants requiring an IGIV dose equivalent to:
- greater than 1.0 g/kg every three weeks (Q3W) or
- less than 0.3 g/kg Q3W or
- greater than 90 g of IGIV Q3W or
- less than 20 g of IGIV Q3W.
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Known IgA deficient patients with known antibodies against IgA
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Known significant proteinuria (≥ 3+ or known urinary protein loss >1 g/24 hours or nephrotic syndrome), acute renal failure, are on dialysis, and/or have severe renal impairment on Screening laboratory testing (blood urea nitrogen [BUN] > 3 times the upper limit of normal [ULN] or creatinine more than 1.5 times ULN).
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Screening values of aspartate aminotransferase (AST) or alanine aminotransferase (ALT) levels exceeding ≥ 2.5 times the ULN for the expected normal range for the testing laboratory.
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Hemoglobin levels < 10 g/dL at Screening.
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Current administration of anti-coagulation therapy which would make IGSC administration inadvisable per investigator judgement (i.e., vitamin K antagonists, nonvitamin K antagonist oral anticoagulants [e.g., dabigatran etexilate targeting Factor IIa, rivaroxaban, edoxaban, and apixaban targeting Factor Xa], and parenteral anticoagulants [e.g., fondaparinux]).
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Known hyperviscosity syndrome.
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Known HIV, chronic hepatitis B virus (HBV), or chronic hepatitis C virus (HCV) infection.
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Participation in another clinical trial within 30 days or if known, 5 half-lives of the interventional product prior to Screening (observational studies without investigative treatments [non-interventional] are permitted).
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Niet-gerandomiseerd
- Interventioneel model: Sequentiële toewijzing
- Masker: Geen (open label)
Aantal wapens
Wapens en interventies
Deelnemersgroep / ArmDeelnemersgroep / Arm |
Interventie / BehandelingInterventie / Behandeling |
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Experimenteel: Gamunex-C (IGIV-C 10%)
During the IV Phase, participants will receive Gamunex-C 1 g/kg, up to a maximum dose of 90 g, every 3 weeks for a total of seven doses. Gamunex-C may be administered over 1 day or divided into 2 consecutive daily doses of 0.5 g/kg each, except for dose #6, which will be administered as a single 1g/kg dose. |
Immune Globulin Injection (Human), 10% Caprylate/Chromatography Purified (IGIV-C 10%) |
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Experimenteel: Xembify (IGSC 20%)
Approximately 7 to 10 days after the last Gamunex-C dose, participants will enter a 16-week SC Phase, where they will receive XEMBIFY 0.456 g/kg once weekly for a total of 16 doses, up to a maximum dose of 41 g. |
Immune Globulin Subcutaneous (Human), 20% Caprylate/Chromatography Purified (IGSC 20%) |
Wat meet het onderzoek?
Primaire uitkomstmaten
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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AUC in de IV-fase: Steady-state oppervlak onder de concentratie-tijdcurve (AUC) van totaal IgG over een 3-wekelijkse intraveneuze doseringsinterval (τ) (d.w.z. AUC(0-21 dagen) bij deelnemers met CIDP
Tijdsspanne: Week 1 tot 19 van IV-fase
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Week 1 tot 19 van IV-fase
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AUC in de SC-fase: Steady-state AUC van totaal IgG over een wekelijkse SC-doseringsinterval (τ) (d.w.z. AUC(0-7 dagen)) bij deelnemers met CIDP
Tijdsspanne: Week 1 tot 16 van de SC-fase
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Week 1 tot 16 van de SC-fase
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Secundaire uitkomstmaten
Secundaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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Steady-state gemiddelde trog (pre-dose) concentratie van totaal IgG na IV toediening van Gamunex-C 10% elke 3 weken SC toediening van Xembify 20% eenmaal per week
Tijdsspanne: Dag 1 tot en met het eindbezoek van de studie (ongeveer 35 weken)
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Dag 1 tot en met het eindbezoek van de studie (ongeveer 35 weken)
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Medewerkers en onderzoekers
Sponsor
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Studie start
Primaire voltooiing (Geschat)
Primaire voltooiing
Studie voltooiing (Geschat)
Studie voltooiing
Studieregistratiedata
Eerst ingediend
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Eerst geplaatst
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update geplaatst
Laatste update ingediend die voldeed aan QC-criteria
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
- Ziekten van het zenuwstelsel
- Pathologische processen
- Neuromusculaire aandoeningen
- Chronische ziekte
- Ziekte attributen
- Auto-immuunziekten
- Ziekten van het immuunsysteem
- Ziekten van het perifere zenuwstelsel
- Auto-immuunziekten van het zenuwstelsel
- Demyeliniserende ziekten
- Polyneuropathieën
- Polyradiculoneuropathie
- Pathologische aandoeningen, tekenen en symptomen
- Polyradiculoneuropathie, chronische inflammatoire demyeliniserende
- Hizentra
Andere studie-ID-nummers
Andere studie-ID-nummers
- GC2402
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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