NCT06130566CompletedPhase 3
A Study to Evaluate the Efficacy and Safety of Subcutaneous Amlitelimab Monotherapy Compared With Placebo in Participants Aged 12 Years and Older With Moderate-to-severe Atopic Dermatitis
A Phase 3, Randomized, Double-blind, Placebo-controlled, Parallel-group, 3-arm, Multinational, Multicenter Study to Evaluate the Efficacy and Safety of Amlitelimab Monotherapy by Subcutaneous Injection in Participants Aged 12 Years and Older With Moderate-to-severe Atopic Dermatitis
Source: ClinicalTrials.gov · Last updated 22 Jul 2026
Brief summary (registry, in English)
This is a parallel group, Phase 3, multinational, multicenter, randomized, double blind, placebo-controlled, 3-arm monotherapy study for treatment of participants diagnosed with moderate to severe atopic dermatitis (AD), whose disease is not adequately controlled with topical prescription therapies or when those therapies are not advisable. The purpose of this study is to measure the efficacy and safety of treatment with amlitelimab solution for SC injection compared with placebo in participants with moderate to severe AD aged 12 years and older. Study details include: At the end of the treatment period, participants will have an option to enter a separate study: the blinded extension study EFC17600 (ESTUARY). For participants not entering the blinded extension Study EFC17600 (ESTUARY), the study duration will be up to 44 weeks including a 2 to 4-week screening, a 24-week randomized double-blind period, and a 16-week safety follow-up. For participants entering the blinded extension Study EFC17600 (ESTUARY), the study duration will be up to 28 weeks including a 2 to 4-week screening and a 24-week randomized double-blind period. The total treatment duration will be up to 24 weeks. The total number of visits will be up to 10 visits (or 9 visits for those entering the blinded extension study EFC17600\] (ESTUARY).
- Status (registry)
- Completed
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 601 (actual)
- First submitted
- 8 Nov 2023
- Start date
- 8 Nov 2023
- Primary completion date
- 23 Jul 2025
- Lead sponsor
- Sanofi
- Diseases
- Atopic dermatitis (eczema)
- NCT number
- NCT06130566
- EU CT number
- 2022-501196-41-00
- EudraCT number
- 2022-501196-41
What you commit to
- Study type: Interventional · Phase 3
- Participants enrolled: 601
- From 8 Nov 2023 to the primary completion date, 23 Jul 2025
- 148 sites in 15 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Any active or chronic infection including helminthic infection requiring systemic treatment within 4 weeks prior to baseline (1 week in the event of superficial skin infections)
- Having received any of the specified therapy within the specified timeframe(s) prior to the baseline visit
Other illness
- Known history of or suspected significant current immunosuppression
- History of solid organ or stem cell transplant
- Positive for human immunodeficiency virus (HIV), Hepatitis B or hepatitis C at screening visit
- Having active tuberculosis (TB), latent TB, a history of incompletely treated TB, suspected extrapulmonary TB infection, or who are at high risk of contracting TB
- History of hypersensitivity or allergy to any of the excipients or investigational medicinal product (IMP)
- The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial
Lab values
- In the Investigator's opinion, any clinically significant laboratory results or protocol specified laboratory abnormalities at screening
Age
- Any malignancies or history of malignancies prior to baseline (with the exception of non-melanoma skin cancer excised and cured \>5 years prior to baseline)
Other
- Skin co-morbidity that would adversely affect the ability to undertake AD assessments
Who the study is looking for
- Participants must be 12 years of age (when signing informed consent form)
- Diagnosis of AD for at least 1 year (defined by the American Academy of Dermatology Consensus Criteria)
- Documented history (within 6 months before screening) of either inadequate response or inadvisability to topical treatments, and/or inadequate response to systemic therapies (within 12 months before screening)
- v-IGA-AD of 3 or 4 at baseline visit
- EASI score of 16 or higher at baseline
- AD involvement of 10% or more of BSA at baseline
- Weekly average of daily PP-NRS of ≥ 4 at baseline visit.
- Able and willing to comply with requested study visits and procedures
- Body weight ≥25 kg
Age in the registry: 12 years to - · Sex: All · Does not accept healthy volunteers
Sites (148)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| - Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| - Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| - Coordinator of this site? Confirm its status | Buenos Aires | Argentina | Unknown status |
| - Coordinator of this site? Confirm its status | SAN Miguel de Tucumã¡n | Argentina | Unknown status |
| - Coordinator of this site? Confirm its status | Melbourne | Australia | Unknown status |
| - Coordinator of this site? Confirm its status | Melbourne | Australia | Unknown status |
| - Coordinator of this site? Confirm its status | Traralgon | Australia | Unknown status |
| - Coordinator of this site? Confirm its status | Westmead | Australia | Unknown status |
| - Coordinator of this site? Confirm its status | Woolloongabba | Australia | Unknown status |
| Hospital São Domingos- Site Number : 0760028 Coordinator of this site? Confirm its status | Bequimão | Brazil | Unknown status |
| PUC Trials- Nucleo de Pesquisa clinica da Escola de Medicina da PUCPR- Site Number : 0760023 Coordinator of this site? Confirm its status | Curitiba | Brazil | Unknown status |
| Hospital de Clinicas da Universidade Federal do Parana- Site Number : 0760022 Coordinator of this site? Confirm its status | Curitiba | Brazil | Unknown status |
| Irmandade da Santa Casa de Misericórdia de Porto Alegre- Site Number : 0760005 Coordinator of this site? Confirm its status | Porto Alegre | Brazil | Unknown status |
| CCBR / IBPClin - Instituto Brasil de Pesquisa Clínica- Site Number : 0760018 Coordinator of this site? Confirm its status | Rio de Janeiro | Brazil | Unknown status |
| Centro de Pesquisas da Clínica IBIS- Site Number : 0760002 Coordinator of this site? Confirm its status | Salvador | Brazil | Unknown status |
| Faculdade de Medicina do ABC- Site Number : 0760001 Coordinator of this site? Confirm its status | Santo André | Brazil | Unknown status |
| Centro de Desenvolvimento em Estudos ClÌnicos Brasil- Site Number : 0760014 Coordinator of this site? Confirm its status | São Paulo | Brazil | Unknown status |
| Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo- Site Number : 0760012 Coordinator of this site? Confirm its status | São Paulo | Brazil | Unknown status |
| Clinica de Alergia Martti Antila Site Number : 0760006 Coordinator of this site? Confirm its status | Sorocaba | Brazil | Unknown status |
| - Coordinator of this site? Confirm its status | Ajax | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Edmonton | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Hamilton | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | London | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Niagara Falls | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Ottawa | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Regina | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Saint-Jérôme | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Saskatoon | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Surrey | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Toronto | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Toronto | Canada | Unknown status |
| - Coordinator of this site? Confirm its status | Osorno | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Talcahuano | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Viña del Mar | Chile | Unknown status |
| - Coordinator of this site? Confirm its status | Beijing | China | Unknown status |
| - Coordinator of this site? Confirm its status | Chengdu | China | Unknown status |
| - Coordinator of this site? Confirm its status | Chengdu | China | Unknown status |
| - Coordinator of this site? Confirm its status | Chongqing | China | Unknown status |
| - Coordinator of this site? Confirm its status | Chongqing | China | Unknown status |
| - Coordinator of this site? Confirm its status | Guangzhou | China | Unknown status |
| - Coordinator of this site? Confirm its status | Jinan | China | Unknown status |
| - Coordinator of this site? Confirm its status | Shenzhen | China | Unknown status |
| Thermalsole und Schwefelbad Bentheim GmbH Coordinator of this site? Confirm its status | Bad Bentheim | Germany | Completed |
| Elbe Kliniken Stade-Buxtehude Elbe Klinikum Buxtehude gGmbH Coordinator of this site? Confirm its status | Buxtehude | Germany | Completed |
| Eurofins bioskin GmbH Coordinator of this site? Confirm its status | Hamburg | Germany | Completed |
| Universitaetsklinikum Schleswig-Holstein AöR Coordinator of this site? Confirm its status | Kiel | Germany | Completed |
| Magdeburger Company For Medical Studies & Services GmbH Coordinator of this site? Confirm its status | Magdeburg | Germany | Completed |
| BAG Dres. med. Quist PartG Coordinator of this site? Confirm its status | Mainz | Germany | Completed |
| Universitaetsklinikum Muenster AöR Coordinator of this site? Confirm its status | Muenster | Germany | Completed |
| Klinische Forschung Osnabrueck Coordinator of this site? Confirm its status | Osnabrueck | Germany | Completed |
| Hopital Prive D Antony Coordinator of this site? Confirm its status | Antony | France | Completed |
| Centre Hospitalier Universitaire de Nantes Coordinator of this site? Confirm its status | Nantes | France | Completed |
| Assistance Publique Hopitaux de Paris Coordinator of this site? Confirm its status | Paris | France | Completed |
| Courlancy Sante Coordinator of this site? Confirm its status | Reims | France | Completed |
| Hopitaux Drome Nord Coordinator of this site? Confirm its status | Romans-Sur-Isere | France | Completed |
| University General Hospital Attikon Coordinator of this site? Confirm its status | Athens | Greece | Completed |
| Andreas Syngros Hospital Of Venereal And Dermatological Diseases Coordinator of this site? Confirm its status | Athens | Greece | Completed |
| General Hospital Of Thessaloniki Papageorgiou Coordinator of this site? Confirm its status | Efkarpia | Greece | Completed |
| Ippokratio General Hospital of Thessaloniki Coordinator of this site? Confirm its status | Thessaloniki | Greece | Completed |
| - Coordinator of this site? Confirm its status | Afula | Israel | Unknown status |
| - Coordinator of this site? Confirm its status | Beersheba | Israel | Unknown status |
| - Coordinator of this site? Confirm its status | Haifa | Israel | Unknown status |
| - Coordinator of this site? Confirm its status | Jerusalem | Israel | Unknown status |
| - Coordinator of this site? Confirm its status | Petah Tikva | Israel | Unknown status |
| - Coordinator of this site? Confirm its status | Petah Tikva | Israel | Unknown status |
| - Coordinator of this site? Confirm its status | Ahmedabad | India | Unknown status |
| - Coordinator of this site? Confirm its status | Belagavi | India | Unknown status |
| - Coordinator of this site? Confirm its status | Bengaluru | India | Unknown status |
| - Coordinator of this site? Confirm its status | Chandigarh | India | Unknown status |
| - Coordinator of this site? Confirm its status | Haryāna | India | Unknown status |
| - Coordinator of this site? Confirm its status | Kolkata | India | Unknown status |
| - Coordinator of this site? Confirm its status | Nagpur | India | Unknown status |
| - Coordinator of this site? Confirm its status | Pune | India | Unknown status |
| - Coordinator of this site? Confirm its status | Ansan-si | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Bupyeong-Gu | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Daegu | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Gwangju | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seongnam-si | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Seoul | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Suwon | South Korea | Unknown status |
| - Coordinator of this site? Confirm its status | Yangsan | South Korea | Unknown status |
| Diamond Clinic Sp. z o.o. Coordinator of this site? Confirm its status | Cracow | Poland | Completed |
| Provita Sp z o o Coordinator of this site? Confirm its status | Katowice | Poland | Completed |
| DERMED Centrum Medyczne Sp. z o.o. Coordinator of this site? Confirm its status | Lodz | Poland | Completed |
| Dermedic Iwona Zdybska Coordinator of this site? Confirm its status | Lublin | Poland | Completed |
| Miejski Szpital Zespolony w Olsztynie Coordinator of this site? Confirm its status | Olsztyn | Poland | Completed |
| ALERGO-MED OŚRODEK BADAŃ KLINICZNYCH Sp. z o.o. Coordinator of this site? Confirm its status | Tarnów | Poland | Completed |
| Evimed Sp. z o.o. Coordinator of this site? Confirm its status | Warsaw | Poland | Completed |
| ROYALDERM AGNIESZKA NAWROCKA Coordinator of this site? Confirm its status | Warszawa | Poland | Completed |
| - Coordinator of this site? Confirm its status | Kaohsiung City | Taiwan | Unknown status |
| - Coordinator of this site? Confirm its status | Taichung | Taiwan | Unknown status |
| - Coordinator of this site? Confirm its status | Taipei | Taiwan | Unknown status |
| - Coordinator of this site? Confirm its status | Taipei | Taiwan | Unknown status |
| - Coordinator of this site? Confirm its status | Taoyuan City | Taiwan | Unknown status |
| Massachusetts General Hospital- Site Number : 8401192 Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| Vial Health - DermDox Dermatology- Site Number : 8401031 Coordinator of this site? Confirm its status | Camp Hill | United States | Unknown status |
| Onsite Clinical Solutions - Charlotte - Blakeney Park Drive- Site Number : 8401124 Coordinator of this site? Confirm its status | Charlotte | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Covington | United States | Unknown status |
| Cleaver Medical Group Dermatology- Site Number : 8401139 Coordinator of this site? Confirm its status | Cumming | United States | Unknown status |
| Skin Specialist of Addison- Site Number : 8401208 Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| Dermatology Treatment and Research Center- Site Number : 8401164 Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| Revival Research - Doral- Site Number : 8401012 Coordinator of this site? Confirm its status | Dearborn | United States | Unknown status |
| Henry Ford Hospital- Site Number : 8401044 Coordinator of this site? Confirm its status | Detroit | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Doral | United States | Unknown status |
| Universal Dermatology- Site Number : 8401224 Coordinator of this site? Confirm its status | Fairport | United States | Unknown status |
| Beth Israel Deaconess Medical Center - Fort Myers- Site Number : 8401286 Coordinator of this site? Confirm its status | Fort Myers | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Fountain Valley | United States | Unknown status |
| Center for Dermatology Clinical Research- Site Number : 8401018 Coordinator of this site? Confirm its status | Fremont | United States | Unknown status |
| Tribe Clinical Research - 525 Verdae Boulevard- Site Number : 8401225 Coordinator of this site? Confirm its status | Greenville | United States | Unknown status |
| Direct Helpers Research Center- Site Number : 8401056 Coordinator of this site? Confirm its status | Hialeah | United States | Unknown status |
| Encore Medical Research- Site Number : 8401030 Coordinator of this site? Confirm its status | Hollywood | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Lafayette | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Lafayette | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Lincoln | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Louisville | United States | Unknown status |
| Skin Care Physicians of Georgia - Macon- Site Number : 8401034 Coordinator of this site? Confirm its status | Macon | United States | Unknown status |
| Florida International Research Center- Site Number : 8401091 Coordinator of this site? Confirm its status | Miami | United States | Unknown status |
| Miami Dermatology and Laser Research- Site Number : 8401086 Coordinator of this site? Confirm its status | Miami | United States | Unknown status |
| Metro Boston Clinical Partners- Site Number : 8401128 Coordinator of this site? Confirm its status | Needham | United States | Unknown status |
| Sadick Research Group - New York - Park Avenue- Site Number : 8401050 Coordinator of this site? Confirm its status | New York | United States | Unknown status |
| Virginia Dermatology & Skin Cancer Center- Site Number : 8401047 Coordinator of this site? Confirm its status | Norfolk | United States | Unknown status |
| Carbon Health - North Hollywood - NoHo West- Site Number : 8401218 Coordinator of this site? Confirm its status | North Hollywood | United States | Unknown status |
| Northridge Clinical Trials - Northridge- Site Number : 8401080 Coordinator of this site? Confirm its status | Northridge | United States | Unknown status |
| Clinical Neuroscience Solutions - Orlando - South Delaney Avenue- Site Number : 8401035 Coordinator of this site? Confirm its status | Orlando | United States | Unknown status |
| Clinical Research of Philadelphia- Site Number : 8401193 Coordinator of this site? Confirm its status | Philadelphia | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Philadelphia | United States | Unknown status |
| Oregon Medical Research Center- Site Number : 8401017 Coordinator of this site? Confirm its status | Portland | United States | Unknown status |
| SKY Integrative Medical Center/SKYCRNG - Ridgeland- Site Number : 8401058 Coordinator of this site? Confirm its status | Ridgeland | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Saint Joseph | United States | Unknown status |
| Texas Dermatology and Laser Specialists- Site Number : 8401131 Coordinator of this site? Confirm its status | San Antonio | United States | Unknown status |
| - Coordinator of this site? Confirm its status | Scottsdale | United States | Unknown status |
| Stryde Research - Epiphany Dermatology- Site Number : 8401185 Coordinator of this site? Confirm its status | Southlake | United States | Unknown status |
| Springville Dermatology - Springville- Site Number : 8401106 Coordinator of this site? Confirm its status | Springville | United States | Unknown status |
| CHEAR Center- Site Number : 8401123 Coordinator of this site? Confirm its status | The Bronx | United States | Unknown status |
| Javara Research - Thomasville- Site Number : 8401189 Coordinator of this site? Confirm its status | Thomasville | United States | Unknown status |
| Rophe Adult & Pediatric Medicine- Site Number : 8401289 Coordinator of this site? Confirm its status | Union City | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.