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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
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

Full criteria on ClinicalTrials.gov

Sites (148)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
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Buenos AiresArgentinaUnknown status
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Buenos AiresArgentinaUnknown status
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Buenos AiresArgentinaUnknown status
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SAN Miguel de Tucumã¡nArgentinaUnknown status
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MelbourneAustraliaUnknown status
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MelbourneAustraliaUnknown status
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TraralgonAustraliaUnknown status
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WestmeadAustraliaUnknown status
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WoolloongabbaAustraliaUnknown status
Hospital São Domingos- Site Number : 0760028
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BequimãoBrazilUnknown status
PUC Trials- Nucleo de Pesquisa clinica da Escola de Medicina da PUCPR- Site Number : 0760023
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CuritibaBrazilUnknown status
Hospital de Clinicas da Universidade Federal do Parana- Site Number : 0760022
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CuritibaBrazilUnknown status
Irmandade da Santa Casa de Misericórdia de Porto Alegre- Site Number : 0760005
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Porto AlegreBrazilUnknown status
CCBR / IBPClin - Instituto Brasil de Pesquisa Clínica- Site Number : 0760018
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Rio de JaneiroBrazilUnknown status
Centro de Pesquisas da Clínica IBIS- Site Number : 0760002
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SalvadorBrazilUnknown status
Faculdade de Medicina do ABC- Site Number : 0760001
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Santo AndréBrazilUnknown status
Centro de Desenvolvimento em Estudos ClÌnicos Brasil- Site Number : 0760014
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São PauloBrazilUnknown status
Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo- Site Number : 0760012
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São PauloBrazilUnknown status
Clinica de Alergia Martti Antila Site Number : 0760006
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SorocabaBrazilUnknown status
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AjaxCanadaUnknown status
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EdmontonCanadaUnknown status
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HamiltonCanadaUnknown status
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LondonCanadaUnknown status
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Niagara FallsCanadaUnknown status
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OttawaCanadaUnknown status
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ReginaCanadaUnknown status
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Saint-JérômeCanadaUnknown status
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SaskatoonCanadaUnknown status
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SurreyCanadaUnknown status
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TorontoCanadaUnknown status
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TorontoCanadaUnknown status
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OsornoChileUnknown status
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SantiagoChileUnknown status
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SantiagoChileUnknown status
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SantiagoChileUnknown status
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SantiagoChileUnknown status
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SantiagoChileUnknown status
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SantiagoChileUnknown status
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SantiagoChileUnknown status
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TalcahuanoChileUnknown status
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Viña del MarChileUnknown status
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BeijingChinaUnknown status
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ChengduChinaUnknown status
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ChengduChinaUnknown status
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ChongqingChinaUnknown status
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ChongqingChinaUnknown status
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GuangzhouChinaUnknown status
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JinanChinaUnknown status
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ShenzhenChinaUnknown status
Thermalsole und Schwefelbad Bentheim GmbH
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Bad BentheimGermanyCompleted
Elbe Kliniken Stade-Buxtehude Elbe Klinikum Buxtehude gGmbH
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BuxtehudeGermanyCompleted
Eurofins bioskin GmbH
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HamburgGermanyCompleted
Universitaetsklinikum Schleswig-Holstein AöR
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KielGermanyCompleted
Magdeburger Company For Medical Studies & Services GmbH
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MagdeburgGermanyCompleted
BAG Dres. med. Quist PartG
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MainzGermanyCompleted
Universitaetsklinikum Muenster AöR
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MuensterGermanyCompleted
Klinische Forschung Osnabrueck
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OsnabrueckGermanyCompleted
Hopital Prive D Antony
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AntonyFranceCompleted
Centre Hospitalier Universitaire de Nantes
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NantesFranceCompleted
Assistance Publique Hopitaux de Paris
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ParisFranceCompleted
Courlancy Sante
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ReimsFranceCompleted
Hopitaux Drome Nord
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Romans-Sur-IsereFranceCompleted
University General Hospital Attikon
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AthensGreeceCompleted
Andreas Syngros Hospital Of Venereal And Dermatological Diseases
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AthensGreeceCompleted
General Hospital Of Thessaloniki Papageorgiou
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EfkarpiaGreeceCompleted
Ippokratio General Hospital of Thessaloniki
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ThessalonikiGreeceCompleted
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AfulaIsraelUnknown status
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BeershebaIsraelUnknown status
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HaifaIsraelUnknown status
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JerusalemIsraelUnknown status
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Petah TikvaIsraelUnknown status
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Petah TikvaIsraelUnknown status
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AhmedabadIndiaUnknown status
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BelagaviIndiaUnknown status
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BengaluruIndiaUnknown status
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ChandigarhIndiaUnknown status
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HaryānaIndiaUnknown status
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KolkataIndiaUnknown status
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NagpurIndiaUnknown status
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PuneIndiaUnknown status
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Ansan-siSouth KoreaUnknown status
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Bupyeong-GuSouth KoreaUnknown status
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DaeguSouth KoreaUnknown status
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GwangjuSouth KoreaUnknown status
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Seongnam-siSouth KoreaUnknown status
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SeoulSouth KoreaUnknown status
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SeoulSouth KoreaUnknown status
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SeoulSouth KoreaUnknown status
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SeoulSouth KoreaUnknown status
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SeoulSouth KoreaUnknown status
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SeoulSouth KoreaUnknown status
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SuwonSouth KoreaUnknown status
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YangsanSouth KoreaUnknown status
Diamond Clinic Sp. z o.o.
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CracowPolandCompleted
Provita Sp z o o
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KatowicePolandCompleted
DERMED Centrum Medyczne Sp. z o.o.
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LodzPolandCompleted
Dermedic Iwona Zdybska
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LublinPolandCompleted
Miejski Szpital Zespolony w Olsztynie
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OlsztynPolandCompleted
ALERGO-MED OŚRODEK BADAŃ KLINICZNYCH Sp. z o.o.
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TarnówPolandCompleted
Evimed Sp. z o.o.
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WarsawPolandCompleted
ROYALDERM AGNIESZKA NAWROCKA
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WarszawaPolandCompleted
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Kaohsiung CityTaiwanUnknown status
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TaichungTaiwanUnknown status
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TaipeiTaiwanUnknown status
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TaipeiTaiwanUnknown status
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Taoyuan CityTaiwanUnknown status
Massachusetts General Hospital- Site Number : 8401192
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BostonUnited StatesUnknown status
Vial Health - DermDox Dermatology- Site Number : 8401031
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Camp HillUnited StatesUnknown status
Onsite Clinical Solutions - Charlotte - Blakeney Park Drive- Site Number : 8401124
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CharlotteUnited StatesUnknown status
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CovingtonUnited StatesUnknown status
Cleaver Medical Group Dermatology- Site Number : 8401139
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CummingUnited StatesUnknown status
Skin Specialist of Addison- Site Number : 8401208
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DallasUnited StatesUnknown status
Dermatology Treatment and Research Center- Site Number : 8401164
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DallasUnited StatesUnknown status
Revival Research - Doral- Site Number : 8401012
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DearbornUnited StatesUnknown status
Henry Ford Hospital- Site Number : 8401044
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DetroitUnited StatesUnknown status
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DoralUnited StatesUnknown status
Universal Dermatology- Site Number : 8401224
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FairportUnited StatesUnknown status
Beth Israel Deaconess Medical Center - Fort Myers- Site Number : 8401286
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Fort MyersUnited StatesUnknown status
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Fountain ValleyUnited StatesUnknown status
Center for Dermatology Clinical Research- Site Number : 8401018
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FremontUnited StatesUnknown status
Tribe Clinical Research - 525 Verdae Boulevard- Site Number : 8401225
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GreenvilleUnited StatesUnknown status
Direct Helpers Research Center- Site Number : 8401056
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HialeahUnited StatesUnknown status
Encore Medical Research- Site Number : 8401030
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HollywoodUnited StatesUnknown status
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LafayetteUnited StatesUnknown status
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LafayetteUnited StatesUnknown status
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LincolnUnited StatesUnknown status
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LouisvilleUnited StatesUnknown status
Skin Care Physicians of Georgia - Macon- Site Number : 8401034
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MaconUnited StatesUnknown status
Florida International Research Center- Site Number : 8401091
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MiamiUnited StatesUnknown status
Miami Dermatology and Laser Research- Site Number : 8401086
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MiamiUnited StatesUnknown status
Metro Boston Clinical Partners- Site Number : 8401128
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NeedhamUnited StatesUnknown status
Sadick Research Group - New York - Park Avenue- Site Number : 8401050
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New YorkUnited StatesUnknown status
Virginia Dermatology & Skin Cancer Center- Site Number : 8401047
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NorfolkUnited StatesUnknown status
Carbon Health - North Hollywood - NoHo West- Site Number : 8401218
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North HollywoodUnited StatesUnknown status
Northridge Clinical Trials - Northridge- Site Number : 8401080
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NorthridgeUnited StatesUnknown status
Clinical Neuroscience Solutions - Orlando - South Delaney Avenue- Site Number : 8401035
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OrlandoUnited StatesUnknown status
Clinical Research of Philadelphia- Site Number : 8401193
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PhiladelphiaUnited StatesUnknown status
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PhiladelphiaUnited StatesUnknown status
Oregon Medical Research Center- Site Number : 8401017
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PortlandUnited StatesUnknown status
SKY Integrative Medical Center/SKYCRNG - Ridgeland- Site Number : 8401058
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RidgelandUnited StatesUnknown status
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Saint JosephUnited StatesUnknown status
Texas Dermatology and Laser Specialists- Site Number : 8401131
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San AntonioUnited StatesUnknown status
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ScottsdaleUnited StatesUnknown status
Stryde Research - Epiphany Dermatology- Site Number : 8401185
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SouthlakeUnited StatesUnknown status
Springville Dermatology - Springville- Site Number : 8401106
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SpringvilleUnited StatesUnknown status
CHEAR Center- Site Number : 8401123
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The BronxUnited StatesUnknown status
Javara Research - Thomasville- Site Number : 8401189
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ThomasvilleUnited StatesUnknown status
Rophe Adult & Pediatric Medicine- Site Number : 8401289
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Union CityUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.