Skip to content

Cyclosporin A (Neoral) for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) requiring repetitive administration of high-dose intravenous immunoglobulin

Cyclosporin A (Neoral) for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) requiring repetitive administration of high-dose intravenous immunoglobulin - Cyclosporin A for CIDP

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000000674
Enrollment
50
Registered
2007-04-10
Start date
2006-08-01
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

Chronic inflammatory demyelinating polyradiculoneuropathy

Interventions

Cyclosporin A is given orally at an initial dose of 3 mg/kg/day. The dosage of cyclosporine A is adjusted to keep a serum trough concentration between 100 and 150 ng/ml. Adiministration of high-dose i

Sponsors

CIDP Study Group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Definite or probable CIDP according to classification criteria of the EFNS/PNS CIDP guideline. 2. Exacerbations more than 4 times per year. 3. INCAT disability scale higher than grade 2 in upper limbs or grade 1 in lower limbs. 4. Written informed consent

Exclusion criteria

Exclusion criteria: 1. polyneuropathy of other causes 2. multifocal motor neuropathy 3. positive for anti-MAG antibody 4. treated with prednisolone at a dose higher than 30 mg/day 5. previous history of cyclosporin A 6. neuron-Behcet 7. malignancy 8. chronic active inflammatory diseases 9. poor-controlled hypertension 10. congestive heart failure 11. liver cirrhosis 12. nephritic syndrome 13. hyperkalemia 14. gout 15. diabetes mellitus 16. pancreatitis 17. severe central nervous disorders 18. pregnancy

Design outcomes

Primary

MeasureTime frame
neurological symptom, frequency of high-dose intravenous immunoglobulin, toxicity

Countries

Japan

Contacts

Public ContactShu-ichi Ikeda

Shinshu University School of Medicine Asahi 3-1-1, Matsumoto, Nagano, 390-8621, Japan

0263-37-2671

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026