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An Extension Study to Investigate the Long-term Safety and Tolerability of Itepekimab in Adult Participants With Inadequately Controlled Chronic Rhinosinusitis With Nasal Polyps
Sponsor: Sanofi
Summary
This is a double-blind, parallel-group, Phase 3, 2-arm study that is designed to provide additional safety information, assess the durability of treatment response, and provide additional PK and immunogenicity assessments. The primary purpose of this study is to evaluate safety and tolerability of both new or continued treatment with itepekimab 300 mg SC high dose or itepekimab 300 mg SC low dose in participants with CRSwNP having completed the intervention period of the clinical studies EFC18418 or EFC18419. A secondary purpose of this study is to provide efficacy outcomes beyond the intervention period of the parent trials EFC18418 and EFC18419. Study details include: * The study duration will be up to 72 weeks. * The intervention duration will be 52 weeks. * A follow-up period of 20 weeks will be conducted. * The number of visits will be 8 and the number of phone contacts will be 4.
Official title: A Double-blinded Extension Study to Evaluate the Long-term Safety and Tolerability of Itepekimab in Adult Participants With Inadequately Controlled Chronic Rhinosinusitis With Nasal Polyps (CRSwNP) Who Participated in Either EFC18418 or EFC18419 Clinical Studies
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
380
Start Date
2026-03-12
Completion Date
2028-12-12
Last Updated
2026-03-16
Healthy Volunteers
No
Conditions
Interventions
Itepekimab (SAR440340)
Pharmaceutical form: Solution for injection in prefilled syringe. Route of administration: Subcutaneous
Placebo
Pharmaceutical form: Solution for injection in prefilled syringe. Route of administration: Subcutaneous
Locations (1)
Investigational Site Number : 8261004
Bradford, United Kingdom