Weekly shot could replace daily insulin for diabetes
NCT ID NCT06269107
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a new once-weekly injection called IcoSema, which combines two diabetes drugs (insulin icodec and semaglutide), against daily insulin glargine in 485 adults with type 2 diabetes whose blood sugar was not well controlled on oral medications. The goal was to see if the weekly shot could lower blood sugar (HbA1c) as well or better than the daily insulin. The trial lasted about 11 months.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- IcoSema (a combination of insulin icodec and semaglutide)
- What this could lead to
- If successful, this could offer a once-weekly injection option for type 2 diabetes, potentially improving convenience and blood sugar control compared to daily insulin.
- What could go wrong
- This is a completed Phase 3 trial, but results are not yet published. The new drug may not prove superior to existing daily insulin, and side effects like nausea or hypoglycemia are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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485 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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Jul 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male or female and age above or equal to 18 years at the time of signing the informed consent. * Diagnosed with T2D greater than or equal to (≥) 180 days before screening. * HbA1c ≥ 8.0% (≥ 64.0 millimoles per mole \[mmol/mol\]) as assessed by central laboratory on the day of screening. * Insulin naïve. Short term insulin treatment for a maximum of 14 consecutive days before screening is allowed, as is prior insulin treatment for gestational diabetes. * Currently treated with 1-3 oral anti diabetic drug (OADs) with stable daily doses ≥ 90 days before screening comprising any of the following anti diabetic drug(s) at effective or maximum tolerated dose. * Metformin * Sulfonylureas * Meglitinides (glinides) * Dipeptidyl peptidase (DPP) 4 inhibitors * Sodium glucose co transporter 2 inhibitors * Alpha glucosidase inhibitors * Thiazolidinediones * Marketed oral combination products only including the products listed above. * Body mass index (BMI) less than or equal to (≤) 40.0 kilogram per square meter (kg/m\^2). Exclusion Criteria: * Female who is pregnant, breast-feeding or intends to become pregnant or is of childbaring potential and not using highly effective contraceptive method. * Anticipated initiation or change in concomitant medication (for more than 14 consecutive days) known to affect weight or glucose metabolism (e.g. treatment with orlistat, thyroid hormones, or systemic corticosteroids). * Any episodes of diabetic ketoacidosis or treatment with any medication for the indication of diabetes or obesity other than stated in the inclusion criteria within 90 days before screening. * Presence or history of pancreatitis (acute or chronic) within 180 days before screening. * Any of the following: Myocardial infarction, stroke, hospitalization for unstable angina pectoris or transient ischaemic attack within 180 days before screening. * Chronic heart failure classified as being in New York Heart Association Class IV at screening. * Recurrent severe hypoglycaemic episodes within the last year (12 months) as judged by the investigator. * Uncontrolled and potentially unstable diabetic retinopathy or maculopathy. Verified by a fundus examination performed within the past 90 days before screening or in the period between screening and randomisation. Pharmacological pupil dilation is a requirement unless using a digital fundus photography camera specified for non dilated examination.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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"Laiko" General Hospital of Athens
Athens, 11527, Greece
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"Thermi" Private Hosital
Thessaloniki, 57001, Greece
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'G. Gennimatas' General Hospital of Athens
Athens, 115 27, Greece
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A.O.U. Policlinico Umberto I
Rome, Lazio, 00161, Italy
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AMC Community Endocrinology
Albany, New York, 12203, United States
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ASL Avezzano Sulmona L'Aquila - Ospedale San Salvatore - UOC Diabetologia
L’Aquila, Abbruzzo, 67100, Italy
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Advanced Clinical Research LLC
Bayamón, 00959, Puerto Rico
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Advanced Medical Research
Maumee, Ohio, 43537, United States
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Akdeniz University Tip Fakultesi Hastanesi
Antalya, 07058, Turkey (Türkiye)
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Akdeniz Üniversitesi Hastanesi- Endokrinoloji
Antalya, 07058, Turkey (Türkiye)
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Albuquerque Clin Trials, Inc.
Albuquerque, New Mexico, 87102, United States
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Amarillo Med Spec LLP
Amarillo, Texas, 79106, United States
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Atlanta Diabetes Associates
Atlanta, Georgia, 30318, United States
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Azienda Ospedaliera di Perugia;Ospedale S. Maria della Misericordia
Perugia, 06129, Italy
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BSES MG hospital
Mumbai, Maharashtra, 400058, India
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BYL Nair Hospital and T N Medical College Department of endo
Mumbai, Maharashtra, 400008, India
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Başakşehir Çam ve Sakura Şehir Hastanesi
Istanbul, 34480, Turkey (Türkiye)
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Beijing Friendship Hospital, Capital Medical University-Endocrinology
Beijing, Beijing Municipality, 100050, China
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CHL Hospitals
Indore, Madhya Pradesh, 452008, India
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Care Clinic Sp. z o. o.
Katowice, 40-568, Poland
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Casa Sollievo della Sofferenza reparto endocrinologia
San Giovanni Rotondo, FG, 71013, Italy
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Casa della Salute di Ceccano - Ambulatori Campus Biomedico
Ceccano (Frosinone), 03023, Italy
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Cedar-Crosse Research Center
Chicago, Illinois, 60607, United States
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Centrum Terapii Wspolczesnej J.M. Jasnorzewska S.K.A.
Lodz, 90-338, Poland
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Chellaram Diabetes Institute
Pune, Maharashtra, 411021, India
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Chongqing University Three Gorges Hospital
Chongqing, Chongqing Municipality, 404000, China
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Clinhouse Centrum Medyczne
Zabrze, 41-807, Poland
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Clinical Research Institute of South Africa
KwaDukuza, KwaZulu-Natal, 4449, South Africa
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Clinical Research of Cent FL
Winter Haven, Florida, 33880, United States
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Clinical Trials Research_Sacramento
Lincoln, California, 95821, United States
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Consano Clinical Research, LLC
Shavano Park, Texas, 78231, United States
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Cotton-O'Neil Diab & Endo Ctr
Topeka, Kansas, 66606, United States
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Desert Oasis Hlthcr Med Group
Palm Springs, California, 91355, United States
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Desert Oasis Hlthcr Med Group
Palm Springs, California, 92262, United States
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Diab & Endo Assoc of Stark Co
Canton, Ohio, 44718, United States
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Diabetes and Thyroid Ctr of FW
Fort Worth, Texas, 76132, United States
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Diabetes, Thyroid and Endocrine Centre
Jaipur, Rajasthan, 302006, India
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Dr Pillay's Rooms
Durban, KwaZulu-Natal, 4450, South Africa
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Dr R Dulabh
Johannesburg, Gauteng, 1812, South Africa
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East Coast Institute For Research
Jacksonville, Florida, 32208, United States
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East West Medical Research Institute_Honolulu
Honolulu, Hawaii, 96814, United States
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Elite Clinical Trials
Blackfoot, Idaho, 83221, United States
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Endeavor Health
Skokie, Illinois, 60077, United States
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Endo Res Solutions Inc
Roswell, Georgia, 30076, United States
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Endo and Metab Consultants
Rockville, Maryland, 20852, United States
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Epic Medical Research
Red Oak, Texas, 75154, United States
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Essential Medical Research LLC
Tulsa, Oklahoma, 74137, United States
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Evangelismos Hospital
Athens, 10676, Greece
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First Valley Med Grp Lancaster
Lancaster, California, 93534, United States
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Flourish Research
San Antonio, Texas, 78229, United States
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Fmc Science, Llc
Lampasas, Texas, 76550, United States
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Fukuwa Clinic_Internal Medicine
Tokyo, 104-0031, Japan
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Gabinet Lekarski Malgorzata Saryusz-Wolska
Lodz, 90-132, Poland
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General Hospital of Kalamata - B Internal Medicine Department
Kalamata, 24100, Greece
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Goa Medical College
Goa, Maharashtra, 403 202, India
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Grande Ospedale Metropolitano Niguarda
Milan, 20162, Italy
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Grazyna Pulka Specjalistyczny Osrodek "All-Med"
Krakow, 30-033, Poland
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Heiwadai Hospital_Internal Medicine
Miyazaki, Miyazaki, 880-0034, Japan
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Hengshui People's Hospital (Harrison International Peace Hospital)-Endocrinology
Hengshui, Hebei, 053000, China
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Holston Medical Group
Kingsport, Tennessee, 37660, United States
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Huizhou Central People's Hospital-Endocrinology
Huizhou, Guangdong, 516001, China
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I.N.R.C.A. Istituto Nazionale di Riposo E Cura Per Gli Anziani
Ancona, 60127, Italy
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IPGME&R and SSKM Hospital
Kolkata, 700020, India
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Jinan Central Hospital
Jinan, Shandong, 250013, China
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John Muir Physicians Network
Concord, California, 94520, United States
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Juntendo University Hospital_Diabetes, endocrinology and metabolism
Tokyo, 113-8431, Japan
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Langeberg Clinical Trials
Cape Town, Western Cape, 7572, South Africa
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METTA Clinic (a unit of Healious Global Pvt. Ltd.)
Kolkata, 700039, India
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Madras Diabetes Research Foundation
Chennai, Tamil Nadu, 600086, India
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Medical Concierge Centrum Medyczne
Warsaw, 02-798, Poland
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Methodist Phys. Clinic
Omaha, Nebraska, 68114, United States
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Mysore Medical College and Research Institute
Mysore, Karnataka, 570001, India
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NBR Polska Tomasz Klodawski
Warsaw, 00-710, Poland
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NZOZ Przychodnia Specjalistyczna Medica
Lublin, Lubelski, 20-538, Poland
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NZOZ Specjalistyczny Osrodek Internistyczno-Diabetologiczny Małgorzata Arciszewska
Bialystok, Podlaskie Voivodeship, 15-435, Poland
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New Venture Medical Research
Wadsworth, Ohio, 44281-9236, United States
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Newtown Clinical Research
Johannesburg, Gauteng, 2001, South Africa
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North Texas Endocrine Center
Dallas, Texas, 75231, United States
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Northeast Research Institute
Fleming Island, Florida, 32003, United States
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Oodouri Diabetes, Internal medicine Clinic_Internal Medicine, Diabetes Internal Medicine
Hokkaido, 060-0001, Japan
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Oyama East Clinic_Internal Medicine
Tochigi, 323-0022, Japan
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PANSTWOWY INSTYTUT MEDYCZNY MSWiA
Warsaw, 02-507, Poland
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Peking University People's Hospital-Endocrinology
Beijing, Beijing Municipality, 100044, China
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PharmQuest Life Sciences LLC
Greensboro, North Carolina, 27408, United States
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Physician's East Endocrinology
Greenville, North Carolina, 27834, United States
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Polo Ospedaliero di Chiavari
Chiavari (genova), 16043, Italy
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Post Graduate Institute of Medical Education & Research
Chandigarh, 160012, India
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Quality Research Inc
San Antonio, Texas, 78209, United States
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Ramaiah Memorial Hospital
Bangalore, Karnataka, 560054, India
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Roodepoort Medicross Clinical Research Centre
Roodepoort, Gauteng, 1724, South Africa
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SMS Medical College & Hospital
Jaipur, Rajasthan, 302004, India
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SNZOZ Lege Artis
Bialystok, 15-404, Poland
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Sai A Health Wellness LLP
Bangalore, Karnataka, 560080, India
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Scripps Whittier Diabetes Inst
La Jolla, California, 92037, United States
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Seth GS Medical College & KEM Hospital
Mumbai, Maharashtra, 400012, India
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Seyrantepe Hamidiye Etfal Egitim ve Arastirma Hastanesi
Istanbul, 34371, Turkey (Türkiye)
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Shanghai Pudong New Area People's Hospital-Endocrinology
Shanghai, Shanghai Municipality, 201200, China
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Simcare Medical Research, LLC
Sugar Land, Texas, 77478, United States
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Southgate Medical Group, LLP
West Seneca, New York, 14224, United States
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T.C. Saglik Bakanligi Pendik Egitim ve Arastirma Hastanesi
Istanbul, 34899, Turkey (Türkiye)
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TPMG Clinical Research
Newport News, Virginia, 23606, United States
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Tekirdağ Namık Kemal Üniversitesi Hastanesi- Dahiliye
Tekirdağ, 59030, Turkey (Türkiye)
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The Affiliated Hospital of Jiangsu University
Zhenjiang, Jiangsu, 212001, China
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The Research Group of Lexington LLC
Lexington, Kentucky, 40503, United States
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The Second Affiliated Hospital of Nanjing Medical University
Nanjing, Jiangsu, 210011, China
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Tokuyama clinic_Diabetic internal medicine
Chiba, 261-0004, Japan
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Tokyo-Eki Center-building Clinic_Internal Medicine
Tokyo, 103-0027, Japan
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Udyaan Health Care
Lucknow, Uttar Pradesh, 226002, India
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Univ Gen Hospital Larisa
Larissa, 41110, Greece
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Univ of Alabama_Birmingham
Birmingham, Alabama, 35233, United States
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Uniwersyteckie Centrum Kliniczne Regionalne Centrum Diabetologii
Gdansk, 80-214, Poland
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Velocity Clinical Res-Dallas
Dallas, Texas, 75230, United States
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Velocity Clinical Research- Cedar Park
Austin, Texas, 78759, United States
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Velocity Nova Sp. z o.o.
Lublin, 20-362, Poland
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Velocity Nova Sp. z o.o.
Staszów, Świętokrzyskie Voivodeship, 28-200, Poland
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Wade Family Medicine
Bountiful, Utah, 84010, United States
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İstanbul Üniversitesi İstanbul Tıp Fakültesi Hastanesi- Endokrinoloji
Istanbul, 34390, Turkey (Türkiye)
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Şişli Hamidiye Etfal Eğitim ve Araştırma Hastanesi- Seyrantepe Yerleşkesi- Endokrinoloji
Istanbul, 34371, Turkey (Türkiye)
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