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Clinical Trials List

Protocol NumberEFC17600
NCT Number(ClinicalTrials.gov Identfier)NCT06407934
Active

2024-05-31 - 2027-05-31

Phase III

Recruiting5

ICD-10L20.0

Besnier's prurigo

ICD-10L20.81

Atopic neurodermatitis

ICD-10L20.82

Flexural eczema

ICD-10L20.83

Infantile (acute) (chronic) eczema

ICD-10L20.84

Intrinsic (allergic) eczema

ICD-10L20.89

Other atopic dermatitis

ICD-10L20.9

Atopic dermatitis, unspecified

ICD-9691.8

Other atopic dermatitis and related conditions

A Phase 3, multinational, multicenter, randomized, double-blind, placebo-controlled, parallel group 52-week extension study to evaluate the treatment response and safety of two amlitelimab dose regimens administered by subcutaneous injection in participants aged 12 years and older with moderate-to-severe atopic dermatitis

  • Trial Applicant

  • Sponsor

    Sanofi Taiwan Co., Ltd.

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2026/02/01

Investigators and Locations

Principal Investigator 賴柏如

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chia-Yu Chu Division of Dermatology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chih-Hung Lee

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chih-Chiang Chen

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Condition/Disease

Dermatitis Atopic

Objectives

The main objective of this study is to evaluate if those participants who received amlitelimab dose 1 in the parent studies (EFC17559 [COAST-1], EFC17560 [COAST 2], EFC17561 [SHORE]) and were responders can maintain their response either remaining at dose 1 or switching to dose 2 of amlitelimab compared to treatment withdrawal.

Test Drug

amlitelimab

Active Ingredient

amlitelimab

Dosage Form

PFS

Dosage

62.5mg/mL; 125mg/mL

Endpoints

Maintenance of clinical response is defined as having validated Investigator Global Assessment scale for atopic dermatitis (vIGA-AD) 0 (clear) or 1 (almost clear) OR 75% reduction in Eczema Area and Severity Index (EASI) compared to parent study baseline EASI (EASI-75^) OR vIGA-AD 0 (clear) or 1 (almost clear) and EASI-75^.

The vIGA-AD is an Investigator-completed assessment scale used to determine severity of AD and clinical response to treatment. It is based on a 5-point scale, ranging from 0 (clear) to 4 (severe).

The EASI is an Investigator-assessed validated tool used to measure the extent (area) and severity of AD. Total score ranges from 0 to 72 with a higher score indicating increased extent and severity of AD.

Inclution Criteria

Inclusion Criteria:
• Participants must be at least 12 years of age inclusive, at the time the informed consent is signed.
• Must have participated, received study treatment without permanent investigational medicinal product (IMP) discontinuation, and adequately completed the assessments required for the treatment period in one of the three 24-week parent studies EFC17559 (COAST-1), EFC17560 (COAST-2) or EFC17561 (SHORE) for moderate-to-severe AD.
• Able and willing to comply with requested study visit and procedures.
• Body weight must be ≥ 25 kg.

Exclusion Criteria

Exclusion Criteria:
Participants are excluded from the study if any of the following criteria apply:
• Developed a medical condition that would preclude participation as described in Exclusion Criteria or Permanent Discontinuation of EFC17559 (COAST-1)/EFC17560 (COAST-2)/EFC17561 (SHORE) clinical trial protocols.
• Having received any prohibited medication or procedure for AD that resulted in IMP discontinuation in the parent study EFC17559 (COAST-1), EFC17560 (COAST-2) or EFC17561 (SHORE).
• Participants who, during their participation in the parent study EFC17559 (COAST-1) /EFC17560 (COAST-2)/EFC17561 (SHORE), developed an adverse event (AE) or a serious adverse event (SAE) deemed related to amlitelimab, which in the opinion of the Investigator could indicate that continued treatment with amlitelimab may present an unreasonable risk for the participant.
• Participants who have had IMP permanently discontinued for any reason before or at the time of the planned first dose in the EFC17600 (ESTUARY) study.
• Conditions in the parent study EFC17559 (COAST-1)/EFC17560 (COAST-2)/EFC17561 (SHORE) that led to Investigator - or Sponsor-initiated withdrawal of participant from the study (eg, non-compliance, inability to complete study assessments, etc.).
• Participant not suitable for participation, whatever the reason, as judged by the Investigator, including medical or clinical conditions, or participants potentially at risk of noncompliance to study procedures.
The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

The Estimated Number of Participants

  • Taiwan

    18 participants

  • Global

    1500 participants