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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

NCT07424144 · Status: ENROLLING_BY_INVITATION · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 380

Last updated 2026-05-08

No results posted yet for this study

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.

Conditions

Interventions

DRUG

Itepekimab (SAR440340)

Pharmaceutical form: Solution for injection in prefilled syringe. Route of administration: Subcutaneous

DRUG

Placebo

Pharmaceutical form: Solution for injection in prefilled syringe. Route of administration: Subcutaneous

Sponsors & Collaborators

Principal Investigators

  • Clinical Sciences & Operations · Sanofi

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-03-12
Primary Completion
2028-12-12
Completion
2028-12-12
FDA Drug
Yes

Countries

  • United States
  • Australia
  • Chile
  • China
  • South Korea
  • United Kingdom

Study Locations

More Related Trials

Entities

Drugs
Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07424144 on ClinicalTrials.gov