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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

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment36

FDA Designations

No designations recorded

Clinical trial landscape

TAK-411 · 1 trial · 1 indication

Phase 2 1
NCT06798012A Study of TAK-411 in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)
RECRUITING36 Analytics
PHASE2RECRUITING
A Study of TAK-411 in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)
Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)Unlock trial analytics

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 to 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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Frequently asked questions about TAK-411

What is TAK-411 used for?

TAK-411 is an investigational monoclonal antibody being studied for the treatment of Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP), a neurological disorder. It is currently in Phase 2 clinical development and has not been approved by regulatory authorities.

Who makes TAK-411?

TAK-411 is being developed by Takeda Pharmaceutical Company Limited, a biopharmaceutical company traded on the stock exchange under the ticker symbol TAK. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with CIDP.

What phase is TAK-411 in?

TAK-411 is currently in Phase 2 clinical development. It is an investigational drug, meaning it has not yet been approved for commercial use. The ongoing Phase 2 trial is recruiting participants to further assess its potential as a treatment for CIDP.

What clinical trials is TAK-411 in?

TAK-411 is being evaluated in a Phase 2 clinical trial with the identifier NCT06798012, titled 'A Study of TAK-411 in Adults With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)'. This trial is currently recruiting participants in the United States, Canada, and Colombia, with an enrollment target of 36 adults aged 18 years and older.

Is TAK-411 a monoclonal antibody?

Yes, TAK-411 is a monoclonal antibody, a type of biologic drug designed to target specific proteins in the body. It is being investigated for its potential role in treating Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP), a condition affecting the peripheral nervous system.