Clinical trial • Phase III • Dermatology
AMLITELIMAB for Atopic dermatitis
Phase III trial of AMLITELIMAB for Atopic dermatitis.
Overview
- Trial Therapeutic Area
- Dermatology
- Trial Disease
- Atopic dermatitis
- Trial Stage
- Phase III
- Drug Modality
- Monoclonal antibody
- Paediatric Trial
- Yes
Key dates
- Initial CTIS Submission Date
- 08-03-2024
- First CTIS Authorization Date
- 02-07-2024
Trial design
Randomised, placebo (treatment withdrawal) compared with amlitelimab monotherapy administered q4w and q12w (treatment withdrawal = comparator arm); specific dose levels not specified in part i summary.-controlled Phase III trial.
- Randomised
- Yes
- Comparator
- Placebo (treatment withdrawal) compared with amlitelimab monotherapy administered Q4W and Q12W (treatment withdrawal = comparator arm); specific dose levels not specified in Part I summary.
- Target Sample Size
- 1213
- Trial Duration For Participant
- 364
Eligibility
Recruits 1213 paediatric patients.
- Vulnerable Population
- Includes adolescents aged 12 years and older (12–<18 years). Assent and parental/guardian consent handling is provided: adolescent-specific information and assent forms and parent/guardian information and consent forms are listed in the documentation (age‑specific ICFs and assent forms are provided for 12–14y, 15–17y, and transition to adult). Partner/pregnancy information documents are also provided. (Adolescents require age-appropriate assent and a parent/guardian consent.)
Inclusion criteria
- {"criterion_text":"- Participants must be at least 12 years of age inclusive, at the time the informed consent is signed."}
- {"criterion_text":"- 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."}
- {"criterion_text":"- Able and willing to comply with requested study visit and procedures."}
- {"criterion_text":"- Body weight must be ≥ 25 kg."}
Exclusion criteria
- {"criterion_text":"- 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."}
- {"criterion_text":"- 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)."}
- {"criterion_text":"- Participants who, during their participation in the parent study EFC17559 (COAST-1) /EFC17560 (COAST-2)/EFC17561 (SHORE), developed an AE or a 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."}
- {"criterion_text":"- 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."}
- {"criterion_text":"- 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.)."}
- {"criterion_text":"- 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."}
Endpoints
Primary endpoints
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain treatment response in ESTUARY.","definition_or_measurement_approach":"Proportion (percentage) of responders from parent studies who maintain treatment response during the ESTUARY extension study (binary responder status assessed during the study as per the study's responder definition)."}
Secondary endpoints
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be EASI-75^ among the participants who met EASI-75^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion of participants sustaining EASI-75 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be vIGA-AD 0 (clear) or 1 (almost clear) among participants who met vIGA-AD 0 (clear) or 1 (almost clear) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion of participants maintaining vIGA-AD score 0 or 1 from ESTUARY baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be vIGA-AD 0 (clear) or 1 (almost clear) with presence of only barely perceptible erythema (no induration/papulation, no lichenification, no oozing or crusting) among the participants who are vIGA-AD 0 (clear) or 1 (almost clear) with presence of only barely perceptible erythema (no induration/papulation, no lichenification, no oozing or crusting) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion endpoint describing maintenance of a specific vIGA-AD phenotype (only barely perceptible erythema)."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained weekly average of daily PP-NRS reduction of ≥4^ among the participants with weekly average of daily PP-NRS reduction of ≥ 4^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion of participants maintaining weekly average daily PP-NRS reduction ≥4 (relative to parent study baseline)."}
- {"endpoint_text":"- Responders from parent studies: Percent change in EASI from parent study baseline","definition_or_measurement_approach":"Percent change in EASI score compared to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with EASI-75^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑75 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be EASI-50^ among the participants who met EASI-50^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining EASI‑50 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with EASI-50^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑50 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be EASI-90^ among the participants who met EASI-90^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining EASI‑90 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with EASI-90^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑90 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be EASI-100^ among the participants who met EASI-100^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining EASI‑100 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with EASI-100^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑100 relative to parent study baseline."}
- {"endpoint_text":"- Responders from parent studies: Time to the first event of loss of EASI-75^ response among the participants who were EASI-75^ responders at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Time-to-event (time from baseline to first loss of EASI‑75 response)."}
- {"endpoint_text":"- Responders from parent studies: Time to the first event of loss of EASI-50^ response among the participants who were EASI-50^ responders at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Time-to-event (time to loss of EASI‑50 response)."}
- {"endpoint_text":"- Responders from parent studies: Time to the first event of loss of EASI-90^ response among the participants who were EASI-90^ responders at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Time-to-event (time to loss of EASI‑90 response)."}
- {"endpoint_text":"- Responders from parent studies: Time to the first event of loss of EASI-100^ among participants who were EASI-100^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Time-to-event (time to loss of EASI‑100 response)."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with vIGA-AD 0 (clear) or 1 (almost clear)","definition_or_measurement_approach":"Proportion of participants with vIGA‑AD score 0 or 1."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who are vIGA-AD 0 (clear) or 1 (almost clear) with presence of only barely perceptible erythema (no induration/papulation, no lichenification, no oozing or crusting)","definition_or_measurement_approach":"Proportion meeting detailed vIGA‑AD criteria (only barely perceptible erythema)."}
- {"endpoint_text":"- Responders from parent studies: Time to first event of vIGA-AD ≥3 (moderate or severe) among those participants who were vIGA-AD 0 (clear) or 1 (almost clear) at baseline of ESTUARY","definition_or_measurement_approach":"Time-to-event for worsening to vIGA‑AD ≥3."}
- {"endpoint_text":"- Responders from parent studies: Time to first event of vIGA-AD ≥3 (moderate or severe) among those participants who were vIGA-AD 0 (clear) at baseline of ESTUARY","definition_or_measurement_approach":"Time to worsening to vIGA‑AD ≥3 in participants who were clear at baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who have an increase of ≥2 points in vIGA-AD from ESTUARY baseline among the participants who were vIGA-AD 0 (clear) or 1 (almost clear) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion with ≥2-point increase in vIGA‑AD from baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who have an increase of ≥2 points in vIGA-AD from ESTUARY baseline among the participants who were vIGA-AD 3 (moderate) at baseline of parent study","definition_or_measurement_approach":"Proportion with ≥2‑point increase in vIGA‑AD in subgroup vIGA‑AD 3 at parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who have an increase of ≥2 points in vIGA-AD from ESTUARY baseline among the participants who were vIGA-AD 4 (severe) at baseline of parent study","definition_or_measurement_approach":"Proportion with ≥2‑point increase in vIGA‑AD in subgroup vIGA‑AD 4 at parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with vIGA-AD 0 (clear) or 1 (almost clear) and/or EASI-75^ among the participants who were vIGA-AD 0 (clear) or 1 (almost clear) and/or EASI-75^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Composite proportion endpoint (vIGA‑AD 0/1 and/or EASI‑75 relative to parent baseline)."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with ≥ 4 points reduction in weekly average of daily PP-NRS from parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥4-point reduction in weekly average of daily PP‑NRS vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Percent change in weekly average of daily PP-NRS from parent study baseline","definition_or_measurement_approach":"Percent change in weekly average daily PP‑NRS vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Absolute change in weekly average of daily PP-NRS from parent study baseline","definition_or_measurement_approach":"Absolute change in weekly average daily PP‑NRS vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained PP-NRS 0 or 1 among the participants who were PP-NRS 0 or 1 at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining PP‑NRS 0 or 1 from baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained vIGA-AD 0 (clear) or 1 (almost clear) and/or EASI‑75^ and weekly average of daily PP‑NRS reduction ≥4 among the participants who were vIGA-AD 0 (clear) or 1 (almost clear) and/or EASI-75^ and weekly average of daily PP‑NRS reduction ≥4 at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Composite proportion combining vIGA‑AD, EASI‑75 and PP‑NRS criteria."}
- {"endpoint_text":"- Responders from parent studies: Absolute change in weekly average of daily SD-NRS from parent study baseline","definition_or_measurement_approach":"Absolute change in weekly average daily SD‑NRS vs parent baseline (sleep disturbance)."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained weekly average of daily SD-NRS reduction of ≥ 3^ among the participants with weekly average of daily SD-NRS reduction of ≥3^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining weekly average SD‑NRS reduction ≥3."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with ≥3 points reduction in weekly average of daily SD-NRS from parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥3‑point reduction in weekly average SD‑NRS vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with ≥ 4 points reduction in weekly average of daily SP-NRS from parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥4‑point reduction in weekly average SP‑NRS (skin pain) vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained weekly average of daily SP-NRS reduction of ≥ 4^ among the participants with weekly average of daily SP-NRS reduction of ≥4^ at ESTUARY baseline. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining weekly average SP‑NRS reduction ≥4."}
- {"endpoint_text":"- Responders from parent studies: Absolute change in weekly average of daily SP-NRS from parent study baseline","definition_or_measurement_approach":"Absolute change in weekly average SP‑NRS vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained SCORAD ≥ 8.7^ among participants with reduction in SCORAD ≥ 8.7^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining predefined SCORAD reduction threshold."}
- {"endpoint_text":"- Responders from parent studies: Percent change in SCORAD index from parent study baseline","definition_or_measurement_approach":"Percent change in SCORAD vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Absolute change in SCORAD index from parent study baseline","definition_or_measurement_approach":"Absolute change in SCORAD vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Change in percent Body Surface Area (BSA) affected by AD from parent study baseline","definition_or_measurement_approach":"Change in percent BSA affected vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained POEM ≥4^ among the participants with reduction in POEM ≥4^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining POEM improvement threshold."}
- {"endpoint_text":"- Responders from parent studies: Change in POEM from parent study baseline","definition_or_measurement_approach":"Change in POEM score vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with a reduction in CDLQI ≥6^ among participants aged ≥12 to <16 years old and with CDLQI baseline ≥6. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion with ≥6‑point CDLQI reduction in adolescent subgroup."}
- {"endpoint_text":"- Responders from parent studies: Change in CDLQI^ in participants with age ≥12 to <16 years old. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Change in CDLQI in adolescent subgroup vs parent baseline."}
- {"endpoint_text":"- Responders from parent studies: Change in DLQI^ in participants with age ≥16 years among the participants with DLQI ≥4 at parent study baseline. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Change in DLQI in adult subgroup with baseline DLQI ≥4."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with ≥ 4 points reduction in DLQI from parent study baseline among the participants with DLQI ≥4 at parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥4‑point DLQI reduction in subgroup with baseline DLQI ≥4."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with HADS-D <8 among the participants who had HADS-D ≥8 at parent study baseline","definition_or_measurement_approach":"Proportion with HADS‑D <8 among those with baseline HADS‑D ≥8."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants with HADS-A <8 among the participants who had HADS-A ≥8 at parent study baseline","definition_or_measurement_approach":"Proportion with HADS‑A <8 among those with baseline HADS‑A ≥8."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants requiring rescue medication during the study up to Week 48 of ESTUARY","definition_or_measurement_approach":"Proportion of participants who required rescue medication through Week 48."}
- {"endpoint_text":"- Responders from parent studies: Time to first rescue medication initiation","definition_or_measurement_approach":"Time-to-event until first rescue medication use."}
- {"endpoint_text":"- Non-responders from parent studies: Percent change in EASI from parent study baseline","definition_or_measurement_approach":"Percent change in EASI in non-responder population vs parent baseline."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with EASI-75^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑75 in non-responder population."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants who continue to be EASI-50^ among the participants who met EASI-50^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining EASI‑50 in non-responder subgroup."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with EASI-50^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑50 in non-responder population."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with EASI-90^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑90 in non-responder population."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with EASI-100^. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving EASI‑100 in non-responder population."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with vIGA-AD 0 (clear) or 1 (almost clear)","definition_or_measurement_approach":"Proportion achieving vIGA‑AD 0 or 1 in non-responder population."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants who are vIGA-AD 0 (clear) or 1 (almost clear) with presence of only barely perceptible erythema (no induration/papulation, no lichenification, no oozing or crusting)","definition_or_measurement_approach":"Proportion meeting specific vIGA‑AD phenotype in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with ≥ 4 points reduction in weekly average of daily PP-NRS from parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥4‑point reduction in weekly average PP‑NRS in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Percent change in weekly average of daily PP-NRS from parent study baseline","definition_or_measurement_approach":"Percent change in weekly average PP‑NRS in non-responders vs parent baseline."}
- {"endpoint_text":"- Non-responders from parent studies: Absolute change in weekly average of daily PP-NRS from parent study baseline","definition_or_measurement_approach":"Absolute change in weekly average PP‑NRS in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Absolute change in weekly average of daily SD-NRS from parent study baseline","definition_or_measurement_approach":"Absolute change in weekly average SD‑NRS in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with ≥3 points reduction in weekly average of daily SD-NRS from parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥3‑point reduction in weekly average SD‑NRS in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with ≥ 4 points reduction in weekly average of daily SP-NRS from parent study baseline [","definition_or_measurement_approach":"Proportion achieving ≥4‑point reduction in weekly average SP‑NRS in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Absolute change in weekly average of daily SP-NRS from parent study baseline","definition_or_measurement_approach":"Absolute change in weekly average SP‑NRS in non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with a reduction in CDLQI ≥6^ among participants aged ≥12 to <16 years old and with CDLQI ≥6 at parent study baseline. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion achieving ≥6‑point CDLQI reduction in adolescent non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Change in CDLQI^ in participants with age ≥12 to <16 years old. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Change in CDLQI in adolescent non-responders."}
- {"endpoint_text":"- Non-responders from parent studies: Change in DLQI^ in participants with age ≥16 years among the participants with DLQI ≥4 at parent study baseline. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Change in DLQI in adult non-responders with baseline DLQI ≥4."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with ≥ 4 points reduction in DLQI from parent study baseline among the participants with DLQI ≥4 at parent study baseline","definition_or_measurement_approach":"Proportion achieving ≥4‑point DLQI reduction in non-responder subgroup."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with HADS-D <8 among the participants who had HADS-D ≥8 at parent study baseline","definition_or_measurement_approach":"Proportion with HADS‑D <8 in non-responder subgroup with baseline HADS‑D ≥8."}
- {"endpoint_text":"- Non-responders from parent studies: Proportion of participants with HADS-A <8 among the participants who had HADS-A ≥8 at parent study baseline","definition_or_measurement_approach":"Proportion with HADS‑A <8 in non-responder subgroup with baseline HADS‑A ≥8."}
- {"endpoint_text":"- All participants: Percentage of participants who experienced Treatment-Emergent Adverse Events (TEAEs), Treatment-Emergent Serious Adverse Events (TESAEs) and/or Treatment-Emergent Adverse Events of Special Interest (AESI)","definition_or_measurement_approach":"Safety endpoint: percentage of participants with TEAEs, TESAEs and AESIs (occurrence during treatment)."}
- {"endpoint_text":"- All participants: Serum amlitelimab concentrations measured at prespecified timepoints","definition_or_measurement_approach":"Pharmacokinetic endpoint: serum amlitelimab concentrations at prespecified PK timepoints."}
- {"endpoint_text":"- All participants: Incidence of antidrug antibodies (ADAs) of amlitelimab","definition_or_measurement_approach":"Immunogenicity endpoint: incidence of ADA positivity."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain treatment response","definition_or_measurement_approach":"Proportion maintaining treatment response (as defined by study) among responders."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain vIGA-AD ≤1 and PP-NRS ≤1 at Week 48 of ESTUARY among participants who were vIGA-AD ≤1 and PP-NRS ≤1 at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining both vIGA‑AD ≤1 and PP‑NRS ≤1 at Week 48 in baseline responders."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain vIGA-AD ≤2 and PP-NRS ≤4 at Week 48 of ESTUARY among participants who were vIGA-AD ≤2 and PP-NRS ≤4 at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining vIGA‑AD ≤2 and PP‑NRS ≤4 at Week 48 in baseline responders."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintained EASI-75^ among the participants who met EASI-75^ at baseline of ESTUARY. The symbol ^ represents \"based on parent study baseline”.","definition_or_measurement_approach":"Proportion maintaining EASI‑75 in baseline responders."}
- {"endpoint_text":"- Responders from parent studies: Time to first event of vIGA-AD ≥1 among those participants who were vIGA-AD 0 (clear) at baseline of ESTUARY","definition_or_measurement_approach":"Time-to-event: first vIGA‑AD ≥1 in participants who were clear at baseline."}
- {"endpoint_text":"- Responders from parent studies: Time to first event of vIGA-AD ≥2 among those participants who were vIGA AD 0 (clear) or 1 (almost clear) at baseline of ESTUARY","definition_or_measurement_approach":"Time-to-event: first vIGA‑AD ≥2 among participants with baseline vIGA‑AD 0 or 1."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who continue to be vIGA-AD 0 (clear) among the participants who were vIGA- AD 0 (clear) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining vIGA‑AD 0 from baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain vIGA-AD 0 to 2 (clear, almost clear, and mild disease) among participants who were vIGA-AD 0 to 2 (clear, almost clear, and mild disease) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining vIGA‑AD 0–2 category."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain PP-NRS ≤4 among participants who were PP-NRS ≤4 at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining PP‑NRS ≤4 from baseline."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who are vIGA-AD ≤1 and PP-NRS ≤","definition_or_measurement_approach":"Proportion meeting combined vIGA‑AD ≤1 and PP‑NRS criteria (text truncated in source)."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who are vIGA-AD ≤2 and PP-NRS ≤4","definition_or_measurement_approach":"Proportion meeting combined vIGA‑AD ≤2 and PP‑NRS ≤4."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who are \"vIGA-AD ≤1 or EASI ≤3\" and PP-NRS ≤1","definition_or_measurement_approach":"Composite responder proportion combining vIGA‑AD or EASI criteria with PP‑NRS."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who are \"vIGA-AD ≤ 2 or EASI ≤7\" AND PP-NRS ≤4","definition_or_measurement_approach":"Composite responder proportion combining vIGA‑AD or EASI criteria with PP‑NRS."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain \"vIGA-AD ≤1 or EASI ≤3\" AND PP-NRS ≤1 among participants who were \"vIGA-AD ≤1 or EASI ≤3\" and PP-NRS ≤1 (VLDA) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining combined VLDA criteria at baseline through follow-up."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who maintain \"vIGA-AD ≤2 or EASI ≤7\" AND PP-NRS ≤4 among participants who were \"vIGA-AD ≤2 or EASI ≤7\" AND PP-NRS ≤4 (LDA) at baseline of ESTUARY","definition_or_measurement_approach":"Proportion maintaining combined LDA criteria at baseline through follow-up."}
- {"endpoint_text":"- Responders from parent studies: Proportion of participants who are flare free over the 48-week period","definition_or_measurement_approach":"Proportion without flare over 48 weeks."}
- {"endpoint_text":"- Responders from parent studies: For those participants who experience flare, time to first flare","definition_or_measurement_approach":"Time-to-event: time from baseline to first flare among those who flare."}
Recruitment
- Planned Sample Size
- 1213
- Recruitment Window Months
- 29
- Consent Approach
- Informed consent is required. Adults provide informed consent; adolescents (aged 12 to <18 years) are covered by age-specific information and assent forms and require parental/guardian consent (adolescent assent and parent/guardian consent documents are included in the submission). Documents are provided in country/language-specific versions as per the materials submitted.
Geography
- Total Number Of Participants
- 1213
Sponsor
Primary sponsor
- Full Name
- Sanofi-Aventis Recherche & Developpement
- Organisation Type
- Pharmaceutical company
- Country Of Registered Address
- France
Contract research organisations
- Name
- Pharmaceutical Product Development LLC
- Name
- MARKEN Germany GmbH
- Name
- Sermes CRO
- Responsibilities
- patient reimbursement
- Name
- Signant Health Management Limited
- Name
- Labcorp Central Laboratory Services LP
Third parties
- {"country":"Germany","full_name":"MARKEN Germany GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Pharmaceutical Product Development LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
- {"country":"Italy","full_name":"Depo-pack S.r.l.","duties_or_roles":"Local Depot: werehousing, labeling, transportation (GDP)","organisation_type":"Pharmaceutical company"}
- {"country":"Germany","full_name":"Azenta Germany GmbH","duties_or_roles":"Cryo Storage Provider","organisation_type":"Pharmaceutical company"}
- {"country":"Spain","full_name":"Sermes CRO","duties_or_roles":"patient reimbursement","organisation_type":"Pharmaceutical company"}
- {"country":"United Kingdom","full_name":"Signant Health Management Limited","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
- {"country":"United States","full_name":"Labcorp Central Laboratory Services LP","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
- {"country":"Czechia","full_name":"PHOENIX lekarensky velkoobchod s.r.o.","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
Investigational products
- Investigational Product Name
- Amlitelimab
- Active Substance
- AMLITELIMAB
- Modality
- Monoclonal antibody
- Routes Of Administration
- Subcutaneous injection
- Route
- Subcutaneous injection
- Authorisation Status
- prodAuthStatus=1 (as listed in product dictionary)
- Frequency
- Q4W and Q12W (maintenance regimens evaluated)
- Investigational Product Name
- Placebo
- Modality
- Other
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