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NCT05882045CompletedPhase 3

A Study of Retatrutide (LY3437943) in Participants With Obesity and Cardiovascular Disease

A Randomized, Double-Blind, Phase 3 Study to Investigate the Efficacy and Safety of LY3437943 Once Weekly Compared to Placebo in Participants With Severe Obesity and Established Cardiovascular Disease

Source: ClinicalTrials.gov · Last updated 30 Jul 2026

Brief summary (registry, in English)

The main purpose of this study is to evaluate the efficacy and safety of retatrutide once weekly in participants with obesity and established cardiovascular disease (CVD). The study will last about 113 weeks.

Status (registry)
Completed
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
1946 (actual)
First submitted
22 May 2023
Start date
30 May 2023
Primary completion date
16 Apr 2026
Lead sponsor
Eli Lilly and Company
Diseases
Obesity
NCT number
NCT05882045
EU CT number
2023-503659-88-00

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 1946
  • From 30 May 2023 to the primary completion date, 16 Apr 2026
  • 170 sites in 10 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

  • Have had acute myocardial infarction, stroke, coronary revascularization, hospitalization for unstable angina, or hospitalization due to congestive heart failure within 90 days prior to screening.
  • Have taken weight loss drugs, including over-the-counter medications, within 90 days prior to screening.
  • Have a prior or planned surgical treatment of obesity.
  • Have a change in body weight greater than 5 kg (11 pounds) within 90 days prior to screening.

Other illness

  • Have Type 1 diabetes.
  • Have family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia syndrome type 2 (MEN-2)

Other

  • Have had pancreatitis.

Who the study is looking for

  • Have a body mass index (BMI) ≥35.0 kilogram/square meter (kg/m²).
  • Have established cardiovascular (CV) disease with at least 1 of the following:
    • prior myocardial infarction
    • prior ischemic or hemorrhagic stroke, or
    • symptomatic peripheral arterial disease
  • Have a history of at least 1 self-reported unsuccessful dietary effort to reduce body weight.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (170)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Consultorio de Investigación Clínica EMO SRL
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Buenos AiresArgentinaUnknown status
Fundacion Respirar
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Buenos AiresArgentinaUnknown status
Stat Research S.A.
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Buenos AiresArgentinaUnknown status
Centro Médico Viamonte
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Buenos AiresArgentinaUnknown status
Investigaciones Medicas Imoba Srl
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Buenos AiresArgentinaUnknown status
Centro Medico Dra. Laura Maffei- Investigacion Clinica Aplicada
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Buenos AiresArgentinaUnknown status
CEDIC
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CABAArgentinaUnknown status
Centro Medico Privado CEMAIC
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CapitalArgentinaUnknown status
Centro de Investigaciones Metabólicas (CINME)
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Ciudad Autónoma de Buenos AiresArgentinaUnknown status
IDIM - Instituto de Investigaciones Metabólicas
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Ciudad de Buenos AiresArgentinaUnknown status
Centro Medico Privado San Vicente Diabetes
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CórdobaArgentinaUnknown status
Instituto Médico DAMIC
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CórdobaArgentinaUnknown status
MICA - Medicina e Investigación Cardiometabólica
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Del VisoArgentinaUnknown status
CIPADI - Centro Integral de Prevencion y Atencion en Diabetes
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Godoy CruzArgentinaUnknown status
Centro de Investigaciones Clínicas Baigorria
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Granadero BaigorriaArgentinaUnknown status
Instituto de Investigaciones Clinicas Mar del Plata
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Mar del PlataArgentinaUnknown status
DIM Clínica Privada
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Ramos MejíaArgentinaUnknown status
Instituto de Investigaciones Clinicas Rosario
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RosarioArgentinaUnknown status
INECO Neurociencias Oroño
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RosarioArgentinaUnknown status
Centro de Investigaciones Médicas Tucuman
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SAN M. de TucumanArgentinaUnknown status
Centro de Investigaciones Clinicas del Litoral
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Santa FeArgentinaUnknown status
Centro de Salud e Investigaciones Médicas
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Santa RosaArgentinaUnknown status
Sanatorio Norte
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Santiago del EsteroArgentinaUnknown status
Sanatorio San Martin
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Venado TuertoArgentinaUnknown status
Nightingale Research
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AdelaideAustraliaUnknown status
Fusion Clinical Research
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AdelaideAustraliaUnknown status
Emeritus Research
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BotanyAustraliaUnknown status
Box Hill Hospital
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Box HillAustraliaUnknown status
Core Research Group
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BrisbaneAustraliaUnknown status
Royal Brisbane and Women's Hospital
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BrisbaneAustraliaUnknown status
Northern Beaches Clinical Research
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BrookvaleAustraliaUnknown status
Emeritus Research
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CamberwellAustraliaUnknown status
Camden Hospital
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CamdenAustraliaUnknown status
Canberra Hospital
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CanberraAustraliaUnknown status
Barwon Health
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GeelongAustraliaUnknown status
Austin Health - Repatriation Hospital
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Heidelberg WestAustraliaUnknown status
CDH Research Institute
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MaroochydoreAustraliaUnknown status
Logan Hospital
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MeadowbrookAustraliaUnknown status
The AIM Centre / Hunter Diabetes Centre
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MerewetherAustraliaUnknown status
Southern Adelaide Diabetes & Endocrine Services
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Mount GambierAustraliaUnknown status
One Clinical Research
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NedlandsAustraliaUnknown status
Southern Adelaide Diabetes & Endocrine Services
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Oaklands ParkAustraliaUnknown status
University of Sydney - Charles Perkins Centre
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SydneyAustraliaUnknown status
Joanne F. Liutkus Medicine Professional Corporation
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CambridgeCanadaUnknown status
Ecogene-21
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ChicoutimiCanadaUnknown status
Ecogene-21 - Cmas
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ChicoutimiCanadaUnknown status
LMC Clinical Research Inc. (Thornhill)
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ConcordCanadaUnknown status
Dr. Steven V. Zizzo Research Professional Corporation
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HamiltonCanadaUnknown status
Milestone Research Inc.
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LondonCanadaUnknown status
Clinique de médecine Urbaine du Quartier Latin
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MontrealCanadaUnknown status
North York Diagnostic and Cardiac Centre
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North YorkCanadaUnknown status
Centricity Research Oshawa
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OshawaCanadaUnknown status
Kawartha Cardiology Clinical Trials
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PeterboroughCanadaUnknown status
Syneos Health
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QuébecCanadaUnknown status
CardioVasc HR Inc.
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Saint-Jean-sur-RichelieuCanadaUnknown status
Centre de Medecine Metabolique de Lanaudiere (CMML)
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TerrebonneCanadaUnknown status
Manna Research (Toronto)
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TorontoCanadaUnknown status
C.I.C. Mauricie inc.
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Trois-RivièresCanadaUnknown status
BC Diabetes Office
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VancouverCanadaUnknown status
Discovery Clinical Services
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VictoriaCanadaUnknown status
Hospital Universitario de La Ribera
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AlziraSpainCompleted
Hospital Universitari Vall d'Hebron
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BarcelonaSpainCompleted
Hospital Nisa Sevilla Aljarafe
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Castilleja De La CuestaSpainCompleted
Hospital Universitario Reina Sofia
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CórdobaSpainCompleted
Area Sanitaria De Ferrol
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FerrolSpainCompleted
Hospital Universitari Arnau De Vilanova De La Gerencia Territorial De Lleida
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LleidaSpainCompleted
Hospital General Universitario Gregorio Marañón
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MadridSpainCompleted
Hospital Universitario Virgen de la Victoria
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MálagaSpainCompleted
University Hospital Son Espases
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PalmaSpainCompleted
Hospital Virgen del Camino
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Sanlúcar de BarramedaSpainCompleted
Hospital Universitario Marqués de Valdecilla
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SantanderSpainCompleted
University Hospital Virgen Del Rocio S.L.
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SevillaSpainCompleted
Hospital Quironsalud Infanta Luisa
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SevillaSpainCompleted
Hospital Virgen de las Montañas
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VillamartínSpainCompleted
DRC Kft.
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BalatonfüredHungaryCompleted
Obudai Egeszsegugyi Centrum Kft.
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Budapest IIIHungaryCompleted
Clindiab Kft.
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Budapest XVIIIHungaryCompleted
Trantor 99 Bt.
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Budapest XXIHungaryCompleted
University of Debrecen
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DebrecenHungaryCompleted
Obudai Egeszsegugyi Centrum Kft
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KaposvárHungaryCompleted
Medifarma-98 Kft.
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NyíregyházaHungaryCompleted
Szent Lazar Megyei Korhaz
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SalgotarjanHungaryCompleted
University of Szeged
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SzegedHungaryCompleted
Regia Med Kft
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SzékesfehérvárHungaryCompleted
Zala Megyei Szent Rafael Korhaz
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ZalaegerszegHungaryCompleted
Obudai Egeszsegugyi Centrum Kft
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ZalaegerszegHungaryCompleted
Investigacion En Salud Y Metabolismo S.C / Nutricion Clinica / Unidad de Base de Datos
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Chihuahua CityMexicoUnknown status
Lahoja. Asociacion Para La Investigacion Y La Farmacovigilancia
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DurangoMexicoUnknown status
Unidad de Investigación Clinica y atencion Medica HEPA
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GuadalajaraMexicoUnknown status
Medical Care and Research Sa de Cv
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MéridaMexicoUnknown status
Eme Red Hospitalaria
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MéridaMexicoUnknown status
Centro Especializado En Diabetes, Obesidad Y Prevencion De Enfermedades Cardiovasculares
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Mexico CityMexicoUnknown status
RM Pharma Specialists
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Mexico CityMexicoUnknown status
Hospital Universitario Dr. Jose Eleuterio González
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MonterreyMexicoUnknown status
IMED Internal Medicine Clin Trials
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MonterreyMexicoUnknown status
Clínica García Flores SC
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MonterreyMexicoUnknown status
Eukarya PharmaSite
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MonterreyMexicoUnknown status
Centro Multidisciplinario de Diabetes de Pachuca
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PachucaMexicoUnknown status
Centro de Atención e Investigación Cardiovascular del Potosí
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San Luis Potosí CityMexicoUnknown status
Centro de Investigacion Cardiovascular y Metabólica
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TijuanaMexicoUnknown status
FAICIC S. de R.L. de C.V.
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VeracruzMexicoUnknown status
Centro de Investigacion Medica de Occidente, S.C.
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ZapopanMexicoUnknown status
RST Rehabilitacja
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Bialy Kosciol, MałopolskiePolandCompleted
Klimed MK Sp. z o.o.
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BialystokPolandCompleted
Medyczne Centrum Diabetologiczno-Endokrynologiczno-Metaboliczne Diab-Endo-Met Sp. z o.o.
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CracowPolandCompleted
Ambulatorium Sp. z o.o.
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ElblagPolandCompleted
Centrum Badan Klinicznych PI-House sp. z o.o.
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GdanskPolandCompleted
Salvia Lekston I Madej Sp. J.
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KatowicePolandCompleted
Pratia S.A.
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KatowicePolandCompleted
Centrum Terapii Wspolczesnej J.M. Jasnorzewska S.K.A.
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LodzPolandCompleted
NBR Polska
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MazowieckiePolandCompleted
Samodzielny Publiczny Szpital Kliniczny Nr 1 Im.Prof.Stanislawa Szyszko Slaskiego Uniwersytetu Medycznego W Katowicach
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ZabrzePolandCompleted
Clinical Research Management Group Inc
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PoncePuerto RicoUnknown status
Ponce Medical School Foundation Inc.
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PoncePuerto RicoUnknown status
Latin Clinical Trial Center
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San JuanPuerto RicoUnknown status
MediTask, s.r.o
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BratislavaSlovakiaCompleted
Diabint s.r.o.
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BytcaSlovakiaCompleted
Human-Care s.r.o.
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Kosice 1SlovakiaCompleted
Vseobecna Nemocnica S Poliklinikou n.o.
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LucenecSlovakiaCompleted
MediVet s.r.o.
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MalackySlovakiaCompleted
Tatratrial s.r.o.
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RožňavaSlovakiaCompleted
MEDI-DIA s.r.o.
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SabinovSlovakiaCompleted
Metabol KLINIK s.r.o.
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Stare MestoSlovakiaCompleted
Areteus s.r.o.
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TrebišovSlovakiaCompleted
Pinnacle Clinical Research
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AustinUnited StatesUnknown status
Texas Diabetes & Endocrinology, P.A.
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AustinUnited StatesUnknown status
Elite Clinical Trials
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BlackfootUnited StatesUnknown status
Humphreys Diabetes Center
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BoiseUnited StatesUnknown status
Northwestern University
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ChicagoUnited StatesUnknown status
StudyMetrix Research
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City of Saint PetersUnited StatesUnknown status
Cleveland Clinic
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ClevelandUnited StatesUnknown status
South Texas Clinical Research
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Corpus ChristiUnited StatesUnknown status
Valley Clinical Trials, Inc.
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CovinaUnited StatesUnknown status
Altoona Center For Clinical Research
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DuncansvilleUnited StatesUnknown status
Neuro-Pain Medical Center
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FresnoUnited StatesUnknown status
Valley Research
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FresnoUnited StatesUnknown status
Tribe Clinical Research LLC
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GreenvilleUnited StatesUnknown status
Great Lakes Clinical Trials - Gurnee
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GurneeUnited StatesUnknown status
Indago Research & Health Center, Inc
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HialeahUnited StatesUnknown status
Pacific Diabetes & Endocrine Center
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HonoluluUnited StatesUnknown status
Brengle Family Medicine
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IndianapolisUnited StatesUnknown status
Clinical Neuroscience Solutions, Inc. dba CNS Healthcare
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JacksonvilleUnited StatesUnknown status
Las Vegas Medical Research
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Las VegasUnited StatesUnknown status
Palm Research Center Tenaya
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Las VegasUnited StatesUnknown status
Collaborative Neuroscience Research, LLC
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Los AlamitosUnited StatesUnknown status
Velocity Clinical Research, Westlake
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Los AngelesUnited StatesUnknown status
Southern Endocrinology Associates
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MesquiteUnited StatesUnknown status
Carteret Medical Group
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Morehead CityUnited StatesUnknown status
Trial Management Associates
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Myrtle BeachUnited StatesUnknown status
Weill Cornell Medical College
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New YorkUnited StatesUnknown status
Valley Clinical Trials, Inc.
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NorthridgeUnited StatesUnknown status
Advanced Research Institute
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OgdenUnited StatesUnknown status
Clinical Neuroscience Solutions, Inc.
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OrlandoUnited StatesUnknown status
Charter Research - Winter Park
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OrlandoUnited StatesUnknown status
Central Phoenix Medical Clinic
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PhoenixUnited StatesUnknown status
UPMC Montefiore University Hospital
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PittsburghUnited StatesUnknown status
Progressive Medical Research
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Port OrangeUnited StatesUnknown status
Rainier Clinical Research Center
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RentonUnited StatesUnknown status
Rochester Clinical Research, LLC
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RochesterUnited StatesUnknown status
Texas Diabetes & Endocrinology, P.A.
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Round RockUnited StatesUnknown status
Sleep Therapy Research Center
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San AntonioUnited StatesUnknown status
Consano Clinical Research, LLC
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Shavano ParkUnited StatesUnknown status
Tribe Clinical Research - Spartanburg
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SpartanburgUnited StatesUnknown status
Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative
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SpringfieldUnited StatesUnknown status
Cotton O'Neil Diabetes & Endocrinology
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TopekaUnited StatesUnknown status
Velocity Clinical Research, Panorama City
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Van NuysUnited StatesUnknown status
MedVadis Research Corporation
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WalthamUnited StatesUnknown status
IMA Clinical Research Warren
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Warren TownshipUnited StatesUnknown status
Chase Medical Research, LLC
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WaterburyUnited StatesUnknown status
Iowa Diabetes and Endocrinology Research Center
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West Des MoinesUnited StatesUnknown status

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