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TAK-411

Phase 2

Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP) | Monoclonal antibody | Neurology |Takeda Pharmaceutical Company Limited|Last Updated: Apr 23, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDDMC
Total Trials1
Total Enrollment36
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06798012A Study of TAK-411 in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)PHASE2 RECRUITING 36May 14, 2025Jun 8, 2028Apr 23, 202620 United States, Canada +1
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Study Endpoints
Primary Endpoints
Number of Participants With Improvement in Functional Ability at Week 24
At Week 24

Improvement in functional ability is defined as decrease of \>=1 point in INCAT score at Week 24 compared with baseline (last assessment before first investigational product \[IP\] administration on Day 1). INCAT disability scale consists of upper and lower extremity components, which are scored based on a participant's level of impairment/disability in their arms and legs, respectively. Each component is scored from 0 to 5 points, which are summed for an overall INCAT disability score ranging from 0 to 10 points, where a score of 0 indicates no signs of disability (example, no upper limb problems and walking not affected) and a score of 10 indicates most severe disability (example, inability to move either arm for any purposeful movement and restricted to a wheelchair, unable to stand and walk a few steps with help). Adjusted INCAT disability score remains identical to INCAT disability score, except that changes in upper limb function from 0 (normal) to 1 (minor symptoms) are excluded.

Secondary Endpoints
Number of Participants With Improvement in Functional Ability at Weeks 12 and 54
At 12 and 54 weeks
Change From Baseline in Adjusted Inflammatory Neuropathy Cause and Treatment (INCAT) Score
Baseline (last assessment prior first dose on Day 1), at 12, 24 and 54 weeks
Change From Screening in the Adjusted INCAT Score
Screening, at 12, 24 and 54 weeks
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TAK-411EXPERIMENTALParticipants will receive TAK-411 400 milligrams per kilogram (mg/kg), IV infusion as an induction dose on Day 1 of initial treatment period. The induction dose may be repeated once after 3 weeks if participants exhibit no clinical change. Thereafter, participants will receive TAK-411 200 mg/kg, IV infusion every 3 weeks for a total of 24 weeks (initial treatment period), followed by an optional additional 27 weeks (extended treatment period).
Interventions
NameTypeDescription
TAK-411BIOLOGICALTAK-411 IV infusion.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites20

Key Inclusion Criteria 1. The participant is at least 18 years of age, inclusive, at the time of signing the Informed Consent Form (ICF). 2. The participant has a body weight of less than or equal to (\<=) 150 kilogram (kg). 3. The participant has a documented diagnosis of typical CIDP, as confirme...

Countries:United StatesCanadaColombia
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06798012primaryCompletionDate: changed
LOWMay 24, 2026NCT06798012studyFirstPostDate: changed