Clinical Study to Evaluate Anti-Neurofascin 155 Antibody ELISA Kit and Anti-Contactin 1 Antibodies ELISA Kit for Patients with IgG4 Autoantibody-Positive Chronic Inflammatory Demyelinating Polyneuropathy

Clinical Study to Evaluate Anti-NF155 Antibody ELISA Kit and Anti-CNTN1 Antibody ELISA Kit for Patients with IgG4 Autoantibody-Positive CIDP - Clinical Study to Evaluate Anti-NF155 Antibody ELISA Kit and Anti-CNTN1 Antibody ELISA Kit for Patients with IgG4 Autoantibody-Positive CIDP

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000053066

Enrollment

370

Registered

2023-12-28

Start date

2023-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

IgG4 Autoantibody-Positive Chronic Inflammatory Demyelinating Polyneuropathy

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Pat ients with CIDP diagnosed according to the modified diagnostic criteria of the European Federation of Neurological Societies/Peripheral Nerve Society (EFNS/PNS) (2010) . 2. Patients with written consent from themselves or their legal representatives. 3. Patients aged 12 years or older at informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients with symptoms of anemia (hemoglobin less than 8 g/dl). 2. Patients judged to be unsuitable by the investigator or a sub-investigator.

Design outcomes

Primary

Measure	Time frame
Positive percent agreement, Negative percent agreement and Overall percent agreement are all not lower than 90 percent.	—

Countries

Japan

Contacts

Public ContactHidenori Ogata

Kyushu University Hospital Department of Neurology

ogata.hidenori.565@m.kyushu-u.ac.jp092-641-1151

Outcome results