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Long-term safety and efficacy study of riliprubart in participants with CIDP

Long-term extension study to evaluate the safety and efficacy of riliprubart (SAR445088) in participants with chronic inflammatory demyelinating polyneuropathy (CIDP)

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500108198
Enrollment
Unknown
Registered
2025-08-26
Start date
2025-04-02
Completion date
Unknown
Last updated
2025-09-01

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

Conditions

chronic inflammatory demyelinating polyneuropathy

Interventions

Test group:The subjects received one dose of 300 mg/2 mL PFP SC injection of riliprubart once a week.

Sponsors

Huashan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Participants with CIDP currently receiving riliprubart who completed treatment in Part B of Study PDY16744, Study EFC17236, or Study EFC18156. (Participants receiving riliprubart in Part C of PDY16744 are eligible after completing the Part C EOT visit.); 2. All participants must agree to use contraception methods during and after the study as required. Contraceptive use by men and women participating in the study should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. a. Male participants A male participant is eligible to participate if he agrees to the following during the study intervention period and for at least 55 weeks after the last dose of study medication. • Refrain from donating or cryopreserving sperm. • PLUS, either: • Be abstinent from heterosexual intercourse (abstinent on a long term and persistent basis) and agree to remain abstinent OR • Must agree to use contraception/barrier when having sexual intercourse with a woman of childbearing potential (WOCBP) who is not currently pregnant as detailed below: A male condom and an additional highly effective contraceptive method as described in Appendix 10.4 (Section ?10.4 Contraceptive and barrier guidance). b. Female participants A female participant is eligible to participate if she is not pregnant or breastfeeding, and 1 of the following conditions applies: • Is a woman of nonchildbearing potential as defined in Appendix 10.4 (Section ?10.4 Contraceptive and barrier guidance). OR • Is a WOCBP and agrees to use a contraceptive method that is highly effective (with a failure rate of 30 IU/L and amenorrhea with no alternative medical cause for at least 12 months. 3. Participant must be capable of giving signed informed consent as described in Appendix 1 of the protocol, which includes compliance with the requirements and restrictions listed in the ICF and in this protocol.

Exclusion criteria

Exclusion criteria: 1. Pregnancy, defined as a positive result of a highly sensitive urine or serum pregnancy test, or lactation; 2. Clinical diagnosis of systemic lupus erythematosus (SLE). 3. History of any hypersensitivity to riliprubart or any of its components, or severe allergic or anaphylactic reaction to any humanized or murine monoclonal antibody. 4. Any country-related specific regulation that would prevent the participant from entering the study – see Appendix 8 (Section ?10.8 Country-specific requirements). 5. Accommodation in an institution because of regulatory or legal order; for instance, a prisoner or participant who is legally institutionalized; 6. Unsuitability for participation as judged by the Investigator, whatever the reason, including: medical or clinical condition (eg, clinically relevant cardiovascular, hepatic, endocrine, neuropsychiatric, or other major systemic disease, including malignancies), potential risk of participant noncompliance with study procedures, or any other clinically significant change in the participants’ medical condition that in the judgment of the Investigator may affect the participant’s safety as a result of participation in this extension study.

Design outcomes

Primary

MeasureTime frame
Adverse events (AEs), serious adverse events (SAEs), adverse events leading to treatment discontinuation, adverse events of special interest (AESIs), and potentially clinically significant abnormaliti;

Countries

China

Contacts

Public ContactJie Lin

Huashan Hospital, Fudan University

linjie15@fudan.edu.cn+86 139 1694 0621

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026