A Study to Compare TAK-881 and HYQVIA in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)
A Phase 3, Single-Arm, Multiple-Dose, Pharmacokinetic Comparability Trial Between TAK-881 and HYQVIA in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy
3 other identifiers
interventional
59
11 countries
52
Brief Summary
The main aim of this study is to evaluate the pharmacokinetic (PK) comparability between TAK-881 and HYQVIA subcutaneous (SC) administration for maintenance therapy of CIDP. The participants who are already receiving intravenous immunoglobulin G (IGIV), conventional subcutaneous intravenous immunoglobulin G (cIGSC), or HYQVIA will be treated with the same dose equivalent as their prior IG treatment with HYQVIA for 20 weeks followed by TAK-881 for 24 weeks. Participants will need to visit the clinic every 3 or 4 weeks until they enter the extension phase. In the extension phase, home infusions are allowed, and visits will occur between every 12 weeks and 24 weeks.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started May 2025
Typical duration for phase_3
52 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 19, 2024
CompletedFirst Posted
Study publicly available on registry
December 24, 2024
CompletedStudy Start
First participant enrolled
May 6, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 25, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 25, 2028
January 20, 2026
January 1, 2026
3.1 years
December 19, 2024
January 16, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Baseline-Uncorrected Area Under the Curve During the Dosing Interval at Steady-State (AUC0-tau;ss) Based on Total Immunoglobulin G (IgG) Levels
3-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 17, 21 days (post-infusion); 4-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 21, 28 days (post-infusion) of last infusion
Secondary Outcomes (20)
Baseline-Uncorrected Area Under the Curve to the Last Measurable Concentration at Steady-State (AUClast,ss) Based on Total IgG Levels
3-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 17, 21 days (post-infusion); 4-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 21, 28 days (post-infusion) of last infusion
Baseline-Uncorrected Time of the Last Measurable Concentration at Steady-State (Tlast,ss) Based on Total IgG Levels
3-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 17, 21 days (post-infusion); 4-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 21, 28 days (post-infusion) of last infusion
Baseline-Uncorrected Maximum Observed Concentration at Steady-State (Cmax,ss) Based on Total IgG Levels
3-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 17, 21 days (post-infusion); 4-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 21, 28 days (post-infusion) of last infusion
Baseline-Uncorrected Time to Maximum Concentration at Steady-State (Tmax,ss) Based on Total IgG Levels
3-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 17, 21 days (post-infusion); 4-Week dosing: Day 1 (pre- and post-infusion), 24, 72, 120 hours and 7, 14, 21, 28 days (post-infusion) of last infusion
Total IgG Trough Level
Up to 4.06 years
- +15 more secondary outcomes
Study Arms (1)
All Participants (HYQVIA and TAK-881)
EXPERIMENTALRamp-up Epoch: Participants on IGIV or cIGSC will switch to HYQVIA during ramp-up epoch with gradually increasing doses/volumes. For participants switching from IGIV, first HYQVIA dose is given two weeks after their last IGIV infusion. For participants switching from cIGSC, first dose is given one week after a weekly infusion or two weeks after a bi-weekly infusion, using a SC investigational needle set. Treatment Epoch: After completing ramp-up, participants will enter HYQVIA dosing epoch 2-3 weeks later, depending on treatment interval. Those already on HYQVIA at screening will skip ramp-up and proceed directly to dosing phase, lasting 18 weeks for a 3-week interval and 20 weeks for 4-week interval. After HYQVIA PK sampling period, participants will switch to TAK-881 with a 1:1 dose conversion. TAK-881 dosing lasts 24 weeks with a SC infusion needle set. Extension Epoch: Post-TAK-881, participants will enter the extension epoch, continuing treatment for up to 3 years.
Interventions
Participants will receive SC infusion of TAK-881.
Participants will receive SC infusion of HYQVIA.
The single-use only SC needle set will be used to administer TAK-881/HYQVIA to the target depth below the skin surface. One needle set (single or bifurcated) will be used per infusion.
Eligibility Criteria
You may qualify if:
- Participant is willing and able to understand and fully comply with trial procedures and requirements, in the opinion of the investigator.
- Participant has provided informed consent (that is, in writing, documented via a signed and dated informed consent Form \[ICF\]) and any required privacy authorization before the initiation of any trial procedures.
- Participant has a documented diagnosis of CIDP or possible CIDP, as confirmed by a neurologist specializing/experienced in neuromuscular diseases and consistent with the European Federation of Neurological Societies/Peripheral Nerve Society (EFNS/PNS) 2021 criteria.
- Participant has responded to IgG treatment in the past (documented partial or complete resolution of neurological symptoms and deficits).
- Participant is on a stable, pretrial treatment with IGIV, cIGSC, or HYQVIA (also known as TAK-771 in Japan) within the dose range equivalent to a cumulative monthly IgG dose of 0.4 to 2.4 grams per kilogram (g/kg) body weight (BW) (inclusive) administered for at least 12 weeks before screening. The dosing interval of IGIV treatment must be between 2 and 6 weeks (inclusive). The dosing interval must be weekly or biweekly for cIGSC dosing and less than or equal (\<=) to 6 weeks for HYQVIA dosing. Prior to screening, variations in the dosing interval of up to +-7 days or monthly dose amount of up to +-20 percentage (%) between the participant's pretrial IgG infusions are acceptable.
- Participant has an INCAT disability score between 0 and 7 (inclusive). Participants will be eligible if one of the below eligibility criteria are met:
- Screening INCAT disability score of between 3 and 7 inclusive.
- Screening INCAT disability score of 2 (both points are from lower extremities).
- Screening INCAT disability score of 2 (both points are not from lower extremities) AND has at least a score of 2 or greater documented in the medical record before screening. If a score was greater than 2 documented in the medical record before screening at least 2 points must be from lower extremities.
- Screening INCAT disability score of 0 or 1 AND has at least a score of 2 or greater (both from lower extremities) documented in the medical record before screening, at least 2 points must be from lower extremities.
- If a participant has the potential to become pregnant, they must have a negative pregnancy test at screening and agree to employ a highly effective contraceptive measure throughout the course of the trial and for at least 30 days after the last administration of the investigational medical product (IMP).
You may not qualify if:
- Participant with documented diagnosis of focal, multifocal, distal, or sensory CIDP, or possible focal, multifocal, distal, or sensory CIDP per the EFNS/PNS 2021 criteria.
- Participant has any neuropathy of other causes, including:
- Hereditary demyelinating neuropathies, such as hereditary sensory and motor neuropathy (HSMN), Charcot-Marie-Tooth (CMT) disease, and hereditary sensory and autonomic neuropathies (HSANs).
- Neuropathies secondary to infections, disorders, or systemic diseases such as Borrelia burgdorferi infection (Lyme disease), diphtheria, systemic lupus erythematosus, POEMS (polyneuropathy, organomegaly, endocrinopathy, M-protein, and skin changes) syndrome, osteosclerotic myeloma, diabetic and non-diabetic lumbosacral radiculoplexus neuropathy, lymphoma, amyloidosis.
- Multifocal motor neuropathy (MMN).
- Drug, biologic, chemotherapy, or toxin-induced peripheral neuropathy.
- Participant has any chronic or debilitating disease, or central nervous disorder that causes neurological symptoms or which may interfere with assessment of CIDP or outcome measures, including (but not limited to) multiple sclerosis, arthritis, stroke, Parkinson's disease, and diabetic peripheral neuropathy.
- Note: Participants with clinically diagnosed diabetes mellitus who do not have diabetic peripheral neuropathy and who have adequate glycemic control with hemoglobin A1c \[HbA1c\] level of less than (\<) 7.5% at screening will be eligible for the trial, provided the electrodiagnostic criteria are consistent with the diagnosis of CIDP or possible CIDP consistent with the EFNS/PNS 2021 criteria and the participant agrees to maintain adequate glycemic control.
- Participant is required to take or has taken immunomodulatory/immunosuppressive agents (except IGIV, cIGSC, or fIGSC) that include but are not limited to specific complement inhibitors, rituximab, neonatal FC receptor inhibitors (e.g. efgartigimod), and chemotherapeutic drugs, within 6 months of screening.
- Participant is required to take or has taken long-term systemic corticosteroids defined as dosages greater than (\>) 20 milligrams per day (mg/day) prednisone-equivalent for \>30 days within 3 months of screening.
- Note: Participants using short-pulse dose corticosteroid course and oral daily corticosteroids \<= 20 mg/day prednisone-equivalent are allowed.
- Participant has undergone plasma exchange within 3 months before screening.
- Participant has immunoglobulin M (IgM) paraproteinemia, including IgM monoclonal gammopathy with a high titer of antibody to myelin-associated glycoprotein.
- Participant has immunoglobulin A (IgA) deficiency (IgA \<0.07 grams per liter \[g/L\]) associated with known anti-IgA antibodies and a history of hypersensitivity to human immunoglobulin treatment.
- Participant has a condition(s) which could alter protein catabolism and/or IgG use (for example \[eg.\] protein losing enteropathies, and nephrotic syndrome).
- +20 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Takedalead
- Takeda Development Center Americas, Inc.collaborator
Study Sites (52)
HonorHealth Neurology
Scottsdale, Arizona, 85251, United States
Stanford Neuroscience Health Center
Palo Alto, California, 94304, United States
Yale University School of Medicine
New Haven, Connecticut, 06510, United States
Neurology Associates
Maitland, Florida, 32751, United States
Knight Neurology
Rockledge, Florida, 32955, United States
The Washington University
St Louis, Missouri, 63130, United States
NYU Langone Health
New York, New York, 10016, United States
University of North Carolina (UNC)
Chapel Hill, North Carolina, 27599, United States
Duke University Hospital
Durham, North Carolina, 27710, United States
Raleigh Neurology Associates
Raleigh, North Carolina, 27607, United States
Atrium Health Wake Forest Baptist
Winston-Salem, North Carolina, 27157, United States
Cleveland Clinic
Cleveland, Ohio, 44195, United States
Oregon Health & Science University (OHSU) - Nephrology and Hypertension Clinic - Marquam Hill
Portland, Oregon, 97239, United States
Neurology Rare Disease Center
Denton, Texas, 76208, United States
The University of Vermont Medical Center
Burlington, Vermont, 05401, United States
BCN Research, LLC
Greenfield, Wisconsin, 53228, United States
INECO
Rosario, Santa Fe Province, 2000, Argentina
Instituto Argentino de Investigacion Neurologica (IADIN)
Buenos Aires, C1015ABR, Argentina
Fakultni nemocnice Hradec Kralove
Hradec Králové, 500 05, Czechia
Copenhagen University Hospital
Copenhagen, Capital Region, 2100d, Denmark
Aarhus Universitetshospital
Aarhus, Central Jutland, 8200, Denmark
Universitätsklinikum Mannheim GmbH
Mannheim, Baden-Wurttemberg, 68167, Germany
University of Ulm
Ulm, Baden-Wurttemberg, 89081, Germany
Universitaetsklinikum Giessen und Marburg GmbH Standort Marburg
Marburg, Hesse, 35043, Germany
Medizinische Hochschule Hannover
Hanover, Lower Saxony, 30625, Germany
Charite - Universitatsmedizin Berlin
Berlin, 12203, Germany
Attikon University General Hospital
Athens, Attica, 12462, Greece
University General Hospital of Patras
Patras, Peloponnese, 26504, Greece
Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) - Ospedale San Raffaele
Milan, Lombardy, 20132, Italy
IRCCS Istituto Clinico Humanitas
Rozzano, Milano, Lombardia, 20089, Italy
Azienda Ospedaliero - Universitaria San Luigi Gonzaga
Orbassano, Torino, Piemonte, 10043, Italy
ASST degli Spedali Civili di Brescia - Spedali Civili di Brescia
Brescia, 25123, Italy
Ospedale San Martino
Genova, 16132, Italy
Az Ospedaliera Universitaria Policlinico G Martino
Messina, 98125, Italy
Fondazione Istituto Neurologico Casimiro Mondino
Pavia, 27100, Italy
Azienda Ospedaliero Universitaria Pisana
Pisa, 56126, Italy
Azienda Ospedaliera Universitaria Policlinico Tor Vergata
Rome, 00133, Italy
Japan Organization of Occupational Health and Safety Chubu Rosai Hospital
Nagoya, Aichi-ken, 455-8530, Japan
Kumamoto University Hospital
Kumamoto, Kumamoto, 860-8556, Japan
Tohoku Medical and Pharmaceutical University Hospital
Sendai, Miyagi, 981-8558, Japan
Nara Medical University Hospital
Kashihara, Nara, 634-8522, Japan
Higashimatsuyama Municipal Hospital
Higashi-Matsuyama, Saitama, 355-0005, Japan
Shiga University of Medical Science Hospital
Ōtsu, Shiga, 520-2192, Japan
Tokushima University Hospital
Tokushima, Tokuchima, 770-8503, Japan
Juntendo University Hospital
Bunkyo-ku, Tokyo, 113-8431, Japan
Oddzial Kliniczny Neurologii
Krakow, Lesser Poland Voivodeship, 30-688, Poland
Clinirem Sp zo.o.
Lublin, Lublin Voivodeship, 20-064, Poland
Warszawski Uniwersytet Medyczny
Warsaw, Masovian Voivodeship, 02-097, Poland
Copernicus Podmiot Leczniczy
Gdansk, Pomeranian Voivodeship, 80-462, Poland
Hospital de La Santa Creu I San Pau
Barcelona, 08041, Spain
Hospital Universitari i Politecnic La Fe
Valencia, 46026, Spain
Sahlgrenska Universitetssjukhuset
Gothenburg, Västra Götaland County, 41345, Sweden
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Study Director
Takeda
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 19, 2024
First Posted
December 24, 2024
Study Start
May 6, 2025
Primary Completion (Estimated)
June 25, 2028
Study Completion (Estimated)
June 25, 2028
Last Updated
January 20, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, ICF, CSR
- Access Criteria
- IPD from eligible studies will be shared with qualified researchers according to the criteria and process described on https://vivli.org/ourmember/takeda/ For approved requests, the researchers will be provided access to anonymized data (to respect patient privacy in line with applicable laws and regulations) and with information necessary to address the research objectives under the terms of a data sharing agreement.
Takeda provides access to the de-identified individual participant data (IPD) for eligible studies to aid qualified researchers in addressing legitimate scientific objectives (Takeda's data sharing commitment is available on https://clinicaltrials.takeda.com/takedas-commitment?commitment=5). These IPDs will be provided in a secure research environment following approval of a data sharing request, and under the terms of a data sharing agreement.