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Trackers› Clinical trials› Kocaeli
Clinical trial register · Turkey

Clinical Trials in Kocaeli, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Turkey and is open, about to open, active-but-closed, or enrolling by invitation. Filter it, cite it, and take it away as a file.

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Source: ClinicalTrials.gov, U.S. National Library of Medicine. Complete coverage — all 5418 matching records held by the registry are in this view. Synced 11 Oct 2026, 03:18 UTC
5418
Studies in scope
all four open statuses
2461
Recruiting now
open to new participants
548
Lead sponsors
across recruiting studies
Top sites
Istanbul 1988 Ankara 1440 Izmir 568 Adana 377 Antalya 261
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Kocaeli University19 Kocaeli City Hospital15 Janssen Research & Development, LLC12 Hoffmann-La Roche11 AstraZeneca10
Site location
Istanbul1988 Ankara1440 Izmir568 Adana377 Antalya261
All 318 locations
Target enrolment
to

Trials with a site in Kocaeli

155 of 5418 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Turkey
Start
Not yet open
Kocaeli University
Not applicable
50
Kocaeli
2027-04-01
Not yet open
The Effect of Chronic ssrı/snrı Antidepressant Treatment on Propofol Consumption in Elective Spine Surgery
NCT07822295Chronic SSRI/SNRI Use and Intraoperative Propofol Requirements
Kocaeli City Hospital
Observational
216
Kocaeli
2026-10-30
Not yet open
Effect of Video Game-Based Breathing Exercises on Respiratory Dysfunction in ACOS
NCT07185178Asthma-COPD Overlap Syndrome, Pulmonary Rehabilitation, Video Games
Istinye University
Not applicable
30
Kocaeli
2026-10-10
Not yet open
Kocaeli City Hospital
Observational
328
Kocaeli
2026-09
Recruiting
Kocaeli City Hospital
Observational
2,640
Kocaeli
2026-08-03
By invitation
MANUAL THERAPY ON PAIN, DISABILITY AND QUALITY OF LIFE
NCT07494734Neck Pain, Neck Pain Musculoskeletal
Istanbul Rumeli University
Not applicable
30
Kocaeli
2026-07-23
Active, closed
Comparison of NEWS2 and Machine Learning for Early Sepsis Warning
NCT07734480Sepsis, News-2, Machine Learning
Kocaeli Derince Education and Research Hospital
Observational
100
Kocaeli
2026-07-22
Recruiting
HFNC Versus Microstream Advance Nasal Cannula for Oxygenation During ERCP
NCT07611903Endoscopic Retrograde Cholangiopancreatography, Hypoxemia
Kocaeli University
Not applicable
74
Kocaeli
2026-07-14
Not yet open
Quality of Life and Pain After Appendectomy in Children
NCT07629362Chronic Pain, Postoperative, Quality of Life, Functional Ability, Appendectomy
Kocaeli City Hospital
Observational
231
Kocaeli
2026-07-01
Recruiting
Accessory Inspiratory Muscles in Chronic Neck Pain
NCT07782099Chronic Neck Pain, Healthy (Controls)
Kocaeli Sağlık ve Teknoloji Üniversitesi
Observational
10
Kocaeli
2026-06-10
Active, closed
Osteopathy in Postpartum Lumbopelvic Pain
NCT07631949Postpartum Lumbopelvic Pain, Postpartum Pelvic Girdle Pain, Postpartum Low Back Pain
Halic University
Not applicable
45
Kocaeli
2026-06-01
Recruiting
A Phase 3 Study of Pelabresib (DAK539) and Ruxolitinib in Myelofibrosis (MF)
NCT07357727Primary Myelofibrosis (PMF), Post-polycythemia Vera Myelofibrosis (PPV-MF), Post-essential Thrombocythemia Myelofibrosis (PET-MF)
DrugsPelabresib·Ruxolitinib
Novartis Pharmaceuticals
Phase 3
460
Sakarya, Istanbul, Ankara, Izmir, Kocaeli, Samsun
2026-05-27
Not yet open
Evaluation of the Effectiveness of Two Different Teaching Methods in Nursing Students
NCT07584980Satisfaction, Self-regulation, Injection Skills
Kocaeli Sağlık ve Teknoloji Üniversitesi
Not applicable
60
Kocaeli
2026-05-25
Recruiting
Janssen Research & Development, LLC
Phase 3
644
Antalya, Gaziantep, Istanbul, Izmir, Kocaeli, Mersin
2026-05-23
Recruiting
Janssen Research & Development, LLC
Phase 3
460
Antalya, Istanbul, Izmir, Kocaeli, Mersin
2026-05-22
Recruiting
BeOne Medicines
Phase 3
1,056
Adana, Ankara, Kocaeli
2026-05-22
Recruiting
QoR-15T in Cardiac Surgery
NCT07593794Postoperative Recovery, Patient Reported Outcome Measures
Kocaeli City Hospital
Observational
150
Kocaeli
2026-05-18
Recruiting
Vertex Pharmaceuticals Incorporated
Phase 2
30
Fatih, Kocaeli
2026-05-13
Recruiting
Hoffmann-La Roche
Phase 3
8
Kocaeli
2026-05-06
Recruiting
Kocaeli University
Not applicable
72
Kocaeli
2026-05-05
Recruiting
AstraZeneca
Phase 3
420
Adapazarı, Antalya, Istanbul, Kocaeli, Mezitli
2026-05-05
Not yet open
Baseline Gastric Volume in Diabetic vs Non-Diabetic Patients
NCT07483593Gastric Volume, Preoperative Fasting, Diabetes Mellitus
Kocaeli University
Observational
220
Kocaeli
2026-04-20
By invitation
Evaluation of Serum Autophagic Biomarkers in the Acute Response to Walking and Cycling in Healthy Male Individuals
NCT07536659Effects of Walking and Cycling on Serum Physiological Biomarkers
Kocaeli University
Observational
40
Kocaeli, Sakarya
2026-04-01
Recruiting
Kocaeli University
Not applicable
36
Kocaeli
2026-03-31
Active, closed
Kocaeli City Hospital
Observational
1,500
Kocaeli
2026-03-29
Recruiting
Hoffmann-La Roche
Phase 2
360
Kocaeli, Ankara, Istanbul, Izmir, Konya
2026-03-10
Not yet open
Care Bundle for Prevention of Skin Complications and Edema in Restrained Patients
NCT07442344Edema, Dermatologic Complication, Physical Restraints
Kocaeli City Hospital
Not applicable
76
Kocaeli
2026-03
Recruiting
Antegrade Autologous Blood Reinfusion After CPB
NCT07420582Coronary Artery Disease
Kocaeli City Hospital
Observational
130
Kocaeli
2026-02-23
Recruiting
Early Effects of Orthognathic Surgery on Periodontal Phenotype: A 6-Month Prospective Clinical and Radiographic Evaluation
NCT07349056Gingival Biotype, Gingival Phenotype, Buccal Bone Thickness, Recession, Gingival
Trakya University
Observational
100
Edirne, Kocaeli
2026-02-23
Recruiting
Kocaeli University
Not applicable
111
Kocaeli
2026-02-10
Recruiting
AstraZeneca
Phase 2
124
Adapazarı, Ankara, Kahramanmaraş, Kocaeli
2026-02-10
Not yet open
Kocaeli University
Not applicable
20
Kocaeli
2026-01-25
Recruiting
Insmed Incorporated
Phase 3
344
Adana, Ankara, Bursa, Eskişehir, Kayseri, Kocaeli, Trabzon
2026-01-07
Recruiting
Ultrasonographic Assessment of Muscle Morphology, Function, and Clinical Findings in Spastic Cerebral Palsy
NCT07118228Muscle Spasticity, Gait Disorders, Neurologic, Cerebral Palsy, Spastic
Kocaeli University
Observational
36
Kocaeli
2025-12-15
By invitation
Kocaeli University
Not applicable
76
Kocaeli
2025-12-12
Active, closed
AstraZeneca
Phase 2
222
Adana, Adapazarı, Kahramanmaraş, Kayseri, Kocaeli
2025-12-05
Recruiting
Alexion Pharmaceuticals, Inc.
Phase 2
75
Altındağ, Ankara, Center, Istanbul, Kocaeli
2025-11-26
Recruiting
AstraZeneca
Phase 3
420
Ankara, Antalya, Istanbul, Izmir, Kocaeli
2025-11-11
Recruiting
Effect of Thermoregulation Bundle Applied at Birth on Neonatal Physiological Parameters and Breastfeeding
NCT07453264Thermoregulation, Neonatal Hypothermia, Neonatal Adaptation
Istanbul University - Cerrahpasa
Not applicable
140
Kocaeli
2025-11-01
Recruiting
Janssen Research & Development, LLC
Phase 2/3
1,092
Ankara, Antalya, Istanbul, Izmir, Kocaeli, Mersin
2025-10-03
Recruiting
Janssen Research & Development, LLC
Phase 3
882
Ankara, Antalya, Istanbul, Izmir, Kocaeli, Mersin
2025-10-01
Recruiting
Merck Sharp & Dohme LLC
Phase 2
315
Fatih, Ankara, Istanbul, Kocaeli, Konya
2025-09-26
Recruiting
Alnylam Pharmaceuticals
Phase 3
11,000
Eskişehir, Istanbul, Izmir, Kocaeli, Konya, Muratpaşa, Sivas
2025-09-22
Recruiting
Istanbul Medipol University Hospital
Not applicable
48
Kocaeli
2025-09-07
Not yet open
Postoperative Chronic Pain in Children Aged 8 to 17
NCT07120399Postoperative Chronic Pain
Kocaeli University
Observational
323
Kocaeli
2025-08-15
Recruiting
Ankara University
Observational
150
Adana, Ankara, Denizli, Diyarbakır, Istanbul, Izmir, Kayseri, Kocaeli
2025-08-01
Recruiting
Lung Protective Ventilation and Driving Pressure Guided PEEP Titration in CABG Surgery
NCT07044089Peep Titration in Lung Protective Ventilation
Kocaeli University
Observational
86
Kocaeli
2025-07-23
Not yet open
Kocaeli City Hospital
Observational
77
Kocaeli
2025-07-22
Recruiting
Takeda
Phase 3
347
Malatya, Şahinbey, Fatih, Kayseri, Kahramanmaraş, Konya, Kocaeli
2025-07-15
Recruiting
Pfizer
Phase 3
300
Istanbul, Ankara, Gaziantep, Kocaeli, Sakarya, Trabzon
2025-07-14
Recruiting
Maridebart Cafraglutide in Heart Failure With Preserved or Mildly Reduced Ejection Fraction and Obesity
NCT07037459Heart Failure With Preserved Ejection Fraction, Heart Failure With Mildly Reduced Ejection Fraction, Obesity
DrugMaridebart cafraglutide
Amgen
Phase 3
5,056
Afyonkarahisar, Ankara, Çorum, Istanbul, Izmir, Kayseri, Kocaeli, Konya
2025-06-25
Active, closed
AstraZeneca
Phase 3
3,103
Adana, Afyonkarahisar, Ankara, Eskişehir, Izmir, Kocaeli, Odunpazari, Yenimahalle
2025-05-28
Active, closed
Kocaeli City Hospital
Observational
300
Kocaeli
2025-05-01
By invitation
Kocaeli City Hospital
Observational
54
Kocaeli
2025-04-01
Recruiting
AstraZeneca
Phase 3
990
Adana, Ankara, Istanbul, Kayseri, Kocaeli, Mersin
2025-03-25
Recruiting
BeOne Medicines
Phase 3
300
Ankara, Dokuma, Kocaeli
2025-03-05
By invitation
Occlutech International AB
Observational
200
Izmir, Ankara, Istanbul, Tekirdağ, Bursa, Kocaeli
2025-02-05
Recruiting
BioNTech SE
Phase 3
621
Adana, Ankara, Antalya, Edirne, Istanbul, Izmir, Kocaeli, Mamak
2025-02-03
Active, closed
Kocaeli University
Not applicable
40
Kocaeli
2025-01-17
Recruiting
Janssen Research & Development, LLC
Phase 3
750
Ankara, Gaziantep, Istanbul, Kocaeli, Konya
2025-01-09
Recruiting
Effect of Mechanical Ventilation on Radiofrequency Ablation in Atrial Fibrillation
NCT06791915Radiofrequency Ablation, Atrial Fibrillation, Mechanical Ventilation
Kocaeli City Hospital
Observational
50
Kocaeli
2025-01-01
Recruiting
GlaxoSmithKline
Phase 3
520
Samsun, Kocaeli, Ankara, Adana, Sisli - Istanbul
2024-12-16
Active, closed
Kocaeli University
Not applicable
102
Kocaeli
2024-12-15
Not yet open
Comparison of ESP Block and STAP Plane Block
NCT06663449Postoperative Pain
Kocaeli University
Not applicable
68
Kocaeli
2024-12-15
Active, closed
Teva Branded Pharmaceutical Products R&D LLC
Phase 3
649
Adana, Kirikkale, Kocaeli, Mersin
2024-12-12
Recruiting
Pfizer
Phase 3
2,330
Istanbul, Ankara, Gaziantep, Kocaeli, Sakarya, Trabzon
2024-12-08
Recruiting
Novo Nordisk A/S
Phase 2
465
Kayseri, Adana, Ankara, Gaziantep, Istanbul, Izmir, Kocaeli
2024-12-02
Recruiting
Shanghai Henlius Biotech
Phase 3
550
Adana, Ankara, Diyarbakır, Edirne, Erzurum, Kayseri, Kocaeli, Sakarya
2024-11-22
Recruiting
Emine Kanmaz
Phase 4
56
Kocaeli
2024-11-15
Recruiting
A Long-term Extension (LTE) Study of Guselkumab in Pediatric Participants
NCT06663332Crohns Disease, Colitis, Ulcerative, Arthritis, Psoriatic, Arthritis, Juvenile
DrugGuselkumab
Janssen Research & Development, LLC
Phase 3
196
Ankara, Istanbul, Kocaeli
2024-10-29
Recruiting
Comparison of Airtraq in Class 2-3 Obese and Nonobese Men During Intubation: a Prospective Randomized Clinical Study
NCT05927519Obesity, Morbid, Intubation; Difficult or Failed, Video Laryngoscope, Men
Kocaeli University
Not applicable
80
Iamit, Kocaeli
2024-10-25
Recruiting
Kocaeli University
Not applicable
60
İzmit, Kocaeli
2024-10-24
By invitation
Efficacy of Ozone Therapy and Splint in Carpal Tunnel Syndrome
NCT06649461Carpal Tunnel Syndrome (CTS)
Selcuk University
Not applicable
34
Kocaeli
2024-10-15
Recruiting
GlaxoSmithKline
Phase 2
393
Kocaeli, Diyarbakır, Adana, Istanbul
2024-09-27
Active, closed
Alpine Immune Sciences Inc, A Subsidiary of Vertex
Phase 3
605
Ankara, Istanbul, Kocaeli
2024-08-30
Active, closed
The Effect of Assistive Airway Equipment on Intubation
NCT06596889Airway Management, Airway Complication of Anaesthesia
Kocaeli City Hospital
Observational
870
Kocaeli, Sanliurfa
2024-08-15
Active, closed
BioNTech SE
Phase 2
110
Adana, Ankara, Gaziantep, Istanbul, Izmir, Kocaeli, Sakarya, Tekirdağ
2024-08-05
Active, closed
Merck Sharp & Dohme LLC
Phase 3
3,000
Bornova, Ankara, Eskişehir, Kayseri, Kocaeli
2024-08-05
Recruiting
Kocaeli University
Not applicable
60
Kocaeli
2024-08-01
Active, closed
Review of the Follow-up of Difficult Airway Guidelines
NCT06524141Anesthesia, Airway Management
Kocaeli City Hospital
Observational
50
Kocaeli
2024-08-01
Recruiting
Janssen Research & Development, LLC
Phase 3
752
Ankara, Bursa, Gaziantep, Istanbul, Kocaeli, Samsun, Trabzon
2024-07-25
Active, closed
Regeneron Pharmaceuticals
Phase 2
195
Adana, Bornova, Kocaeli, Sakarya, Konya, Kurupelit, Gaziantep, Ankara
2024-07-16
Active, closed
Merck Sharp & Dohme LLC
Phase 3
300
Bornova, Ankara, Antalya, Edirne, Istanbul, Kocaeli, Samsun
2024-07-16
Active, closed
Celldex Therapeutics
Phase 3
963
Ankara, Fatih, Kocaeli, Melikgazi, Samsun, Trabzon
2024-07-11
Recruiting
Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany
Phase 3
264
Ankara, Atakum/SAMSUN, Istanbul, Izmir, Kocaeli, Mersin, Trabzon
2024-06-25
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,200
Bornova, Ankara, Antalya, Eskişehir, Istanbul, Kocaeli
2024-06-05
Recruiting
Metabolic Liver Disease in Newly Diagnosed People Living With HIV (MASHIV-TR)
NCT07737340HIV Infections, Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD) & Steatohepatitis (MASH), Fatty Liver
Yaşar Bayındır, MD
Observational
411
Ankara, Adana, Antalya, Diyarbakır, Gaziantep, Istanbul, Izmir, Kocaeli
2024-06-01
Active, closed
Kocaeli University
Not applicable
84
Kocaeli
2024-05-16
Active, closed
A Study to Investigate Long-term Safety and Tolerability of Tolebrutinib in Participants With Multiple Sclerosis.
NCT06372145Relapsing Multiple Sclerosis, Secondary Progressive Multiple Sclerosis, Progressive Relapsing Multiple Sclerosis
DrugTeriflunomide
Sanofi
Phase 3
2,500
Ankara, Eskişehir, Istanbul, Izmir, Kocaeli, Konya, Kütahya, Mersin
2024-04-16
Active, closed
Study of Ravulizumab in Immunoglobulin A Nephropathy (IgAN)
NCT06291376Immunoglobulin A Nephropathy, IgAN
DrugRavulizumab
Alexion Pharmaceuticals, Inc.
Phase 3
584
Ankara, Bursa, Istanbul, Kayseri, Kocaeli, Konya
2024-03-29
Active, closed
Study Evaluating Tarlatamab After Chemoradiotherapy in Limited-Stage Small-Cell Lung Cancer (LS-SCLC)
NCT06117774Limited Stage Small Cell Lung Cancer, Small Cell Lung Cancer
DrugTarlatamab
Amgen
Phase 3
404
Ankara, Istanbul, Izmir, Kocaeli, Mersin, Samsun
2024-02-20
Active, closed
Genmab
Phase 3
1,095
Şişli, Istanbul, Izmir, Kocaeli, Samsun
2024-02-05
Active, closed
Use of POCUS and STONE Criteria Together in the Diagnosis of Nephrolithiasis
NCT07126847Renal Colic, Stone, Kidney, Hydronephrosis, Nephrolithiasis
Kocaeli City Hospital
Observational
490
Kocaeli
2024-02-01
Recruiting
Genexine, Inc.
Phase 3
429
Izmir, Kayseri, Kocaeli
2024-01-25
Active, closed
BicycleTx Limited
Phase 2
375
Edirne, Istanbul, Izmir, Kocaeli
2024-01-24
Active, closed
Kocaeli Derince Education and Research Hospital
Observational
322
Kocaeli
2024-01-01
Active, closed
Merck Sharp & Dohme LLC
Phase 3
340
Bornova, Ankara, Antalya, Edirne, Istanbul, Kocaeli, Mersin, Samsun
2023-12-31
Recruiting
Eli Lilly and Company
Phase 3
1,264
Adana, Ankara, Antalya, Bursa, Diyarbakır, Istanbul, Izmir, Kocaeli
2023-12-21
Recruiting
AbbVie
Phase 3
110
Ankara, Istanbul, Kocaeli
2023-12-11
Recruiting
Shanghai Junshi Bioscience Co., Ltd.
Phase 3
756
Ankara, Edirne, Istanbul, Izmir, Kocaeli, Konya, Malatya
2023-11-15
Active, closed
BeOne Medicines
Phase 3
652
Ankara, Kayseri, Kocaeli
2023-11-11
Active, closed
AstraZeneca
Phase 3
314
Ankara, Antalya, Center, Kazımkarabekir, Kocaeli
2023-11-08
Active, closed
AstraZeneca
Phase 3
1,835
Adapazarı, Ankara, Bursa, Dinar, Kahramanmaraş, Kayseri, Kocaeli
2023-11-07
Active, closed
Incyte Corporation
Phase 2
73
Adana, Ankara, Edirne, Istanbul, Kocaeli
2023-10-30
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,109
Istanbul- Fatih, Ankara, Antalya, Edirne, Eskişehir, Istanbul, Kocaeli
2023-10-25
Recruiting
Rescue of Nephrons With ALE.F02 (RENAL-F02)
NCT06047171Glomerulonephritis Rapidly Progressive
DrugsCyclophosphamid·Rituximab
Alentis Therapeutics AG
Phase 2
80
Ankara, Istanbul, Kocaeli, Melikgazi
2023-09-07
Recruiting
Gilead Sciences
Phase 3
402
Adana, Ankara, Gaziantep, Görükle, Izmir, Karabağlar, Kocaeli, Mersin
2023-09-07
Active, closed
Novartis Pharmaceuticals
Phase 2
41
Aydin, Istanbul, Edirne, Izmir, Kocaeli
2023-08-16
Active, closed
Regeneron Pharmaceuticals
Phase 2/3
149
Adana, Altındağ, Istanbul, Bursa, Pendik, Bornova, Kocaeli, Konya
2023-06-30
Active, closed
BeOne Medicines
Phase 2/3
178
Erciyes, Kocaeli
2023-04-17
Active, closed
Umecrine Cognition AB
Phase 1/2
202
Ankara, Balçova, Diyarbakır, Izmir, Kocaeli, Rize, Sanliurfa, Trabzon
2023-04-14
Active, closed
ABTECT - Maintenance
NCT05535946Ulcerative Colitis
DrugObefazimod
Abivax S.A.
Phase 3
1,116
Ankara, Antalya, Istanbul, Kocaeli, Malatya
2023-01-16
Active, closed
Bristol-Myers Squibb
Phase 3
516
Ankara, Istanbul, Kocaeli
2023-01-12
Active, closed
Phase 2b Study of GSK4532990 in Adults With NASH
NCT05583344Nonalcoholic Fatty Liver Disease, Non-alcoholic Fatty Liver Disease
DrugGSK4532990
GlaxoSmithKline
Phase 2
284
Kocaeli, Ankara, Rize
2023-01-02
Active, closed
Alexion Pharmaceuticals, Inc.
Phase 3
260
Bursa, Istanbul, Kocaeli, Samsun
2022-11-21
Active, closed
Genmab
Phase 3
549
Ankara, Antalya, Diyarbakır, Istanbul, Izmir, Kocaeli, Samsun
2022-09-20
Recruiting
Dimerix Bioscience Pty Ltd
Phase 3
286
Ankara, Antalya, Bursa, Edirne, Erciyes, Istanbul, Kocaeli
2022-05-30
Active, closed
Hoffmann-La Roche
Phase 3
208
Ankara, Istanbul, Kocaeli, Lzmir, Samsun
2022-04-25
Active, closed
Pfizer
Phase 3
854
Istanbul, Izmir, Ankara, Aydin, Kayseri, Kocaeli
2022-03-25
Active, closed
BeOne Medicines
Phase 3
799
Ankara, AOCiftlii, Istanbul, Kocaeli, Tevikiye
2022-03-10
Active, closed
AstraZeneca
Phase 3
363
Adapazarı, Ankara, Istanbul, Izmir, Kahramanmaraş, Kayseri, Kocaeli
2022-02-15
Recruiting
Meyer Children's Hospital IRCCS
Observational
290
Kocaeli
2022-02-10
Active, closed
Immunic AG
Phase 3
1,100
Adana, Bursa, Istanbul, Kocaeli, Kütahya, Manisa, Sakarya, Samsun
2022-01-12
Active, closed
Noema Pharma AG
Phase 2/3
166
Düzce, Selçuklu, Afyonkarahisar, Bursa, Istanbul, Kocaeli, Mersin
2022-01-11
Active, closed
argenx
Phase 3
173
Adapazarı, Ankara, Izmir, Kocaeli, Mersin, Tekirdağ, Trabzon
2021-11-17
Active, closed
Hoffmann-La Roche
Phase 3
83
Istanbul, Kocaeli, Konya, Malatya
2021-10-22
Active, closed
Novartis Pharmaceuticals
Phase 3
129
Samsun, Istanbul, Izmir, Kocaeli
2021-10-05
Recruiting
Pfizer
Phase 3
893
Istanbul, Izmir, Adana, Ankara, Antalya, Gaziantep, Kayseri, Kocaeli
2021-10-04
Active, closed
Hoffmann-La Roche
Phase 3
4,170
Sariçam, Ankara, Antalya, Edirne, Istanbul, Izmir, Kocaeli, Samsun
2021-08-27
Active, closed
Hoffmann-La Roche
Phase 3
451
Ankara, Istanbul, Kocaeli
2021-07-14
Active, closed
Janssen Research & Development, LLC
Phase 3
1,054
Istanbul, Izmir, Kocaeli, Konya
2021-06-17
Active, closed
Phase 3 Study of Pelabresib (CPI-0610) in Myelofibrosis (MF) (MANIFEST-2)
NCT04603495Myelofibrosis, Primary Myelofibrosis, Post-polycythemia Vera Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis
DrugsPelabresib·Ruxolitinib
Novartis Pharmaceuticals
Phase 3
430
Ankara, Antalya, Edirne, Gaziantep, Izmir, Kayseri, Kocaeli, Mersin
2021-04-09
Active, closed
Novo Nordisk A/S
Phase 3
1,205
Adana, Ankara, Bursa, Istanbul, Izmir, Kocaeli, Mersin, Yüreğir/Adana
2021-04-01
Active, closed
Hoffmann-La Roche
Phase 3
751
Ankara, Çankaya, Istanbul, Kocaeli, Lzmir, Mersin, Samsun, Trabzon
2021-03-24
Active, closed
Study Evaluating Effectiveness and Safety of Zimberelimab and Domvanalimab in Lung Cancer
NCT04736173Non Small Cell Lung Cancer, Nonsquamous Non Small Cell Lung Cancer, Squamous Non Small Cell Lung Cancer, Lung Cancer
DrugsDomvanalimab·Zimberelimab·Pemetrexed·Paclitaxel
Arcus Biosciences, Inc.
Phase 2
169
Adana, Ankara, Edirne, Istanbul, Kocaeli
2021-02-08
Active, closed
Hoffmann-La Roche
Phase 3
769
Ankara, Center, Çankaya, Istanbul, Kayseri, Kocaeli, Lzmir, Mersin
2020-12-03
Active, closed
Hoffmann-La Roche
Phase 3
864
Kocaeli
2020-11-26
Recruiting
Occlutech International AB
Observational
150
Ankara, Elâzığ, Erzincan, Fatih, Izmir, Kocaeli, Tekirdağ
2020-10-28
Active, closed
Hoffmann-La Roche
Phase 3
985
Ankara, Çankaya, Istanbul, Kocaeli, Mersin, Samsun, Trabzon, Van
2020-10-26
Active, closed
Myasthenia Gravis Inebilizumab Trial
NCT04524273Myasthenia Gravis
DrugInebilizumab
Amgen
Phase 3
238
Ankara, Izmir, Kocaeli
2020-10-15
Active, closed
GlaxoSmithKline
Phase 3
302
Ankara, Izmir, Kocaeli, Mersin, Samsun
2020-10-01
Recruiting
Meril Life Sciences Pvt. Ltd.
Observational
200
Kocaeli
2020-08-07
Active, closed
Amgen
Phase 3
145
Ankara, Denizli, Edirne, Istanbul, Izmir, Kocaeli, Konya, Malatya
2020-02-26
Active, closed
Janssen Research & Development, LLC
Phase 2/3
1,064
Ankara, Edirne, Istanbul, Izmir, Kocaeli, Mersin
2019-09-26
Active, closed
Pfizer
Phase 3
896
Ankara, Antalya, Bursa, Kocaeli
2019-09-05
Active, closed
Occlutech International AB
Observational
50
Eskişehir, Gaziantep, Izmir, Kocaeli
2019-07-07
Active, closed
AstraZeneca
Phase 3
724
Ankara, Istanbul, Izmir, Kocaeli
2019-03-06
Active, closed
Janssen Research & Development, LLC
Phase 3
765
Adana, Ankara, Antalya, Edirne, Istanbul, Izmir, Kocaeli
2019-01-25
Active, closed
Novartis Pharmaceuticals
Phase 3
1,882
Samsun, Istanbul, Izmir, Trabzon, Mersin, Kocaeli
2018-12-28
Recruiting
Hoffmann-La Roche
Phase 3
1,000
Ankara, Istanbul, Kocaeli
2018-09-20
Active, closed
Eli Lilly and Company
Phase 3
1,058
Antalya, Bornova, Kocaeli, Mersin
2018-07-18
Active, closed
Janssen Research & Development, LLC
Phase 1/2
125
Adana, Ankara, Aydin, Edirne, Istanbul, Izmir, Kocaeli, Konya
2018-04-05
Active, closed
Janssen Research & Development, LLC
Phase 3
629
Adana, Ankara, Istanbul, Izmir, Kocaeli, Malatya
2018-03-23
Active, closed
Can the Effects of High Flow Nasal Cannula Oxygenation on Postoperative Atelectasis be Evaluated With Lung Ultrasound
NCT03828513Postoperative Atelectasis, Bariatric Surgery Candidate, Ultrasound Therapy; Complications
Kocaeli Derince Education and Research Hospital
Not applicable
100
Kocaeli
2018-03-01
Active, closed
Aragon Pharmaceuticals, Inc.
Phase 3
1,503
Adana, Ankara, Edirne, Istanbul, Izmir, Kayseri, Kocaeli
2015-11-19
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Turkish investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 12 October 2026. https://priyalifescience.com/clinical-trials-turkey/city/kocaeli

Query this register directly
GET /api/trials?country=in&status=recruiting&format=json Try it now →

About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every study on the registry that lists at least one investigative site in Turkey and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 5,418 studies in total at the last sync on 11 Oct 2026, 03:18 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 155 of those studies with a site in Kocaeli.

How many clinical trials are recruiting in Kocaeli?

64 of the 155 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:18 UTC sync. A further 12 have not yet opened recruitment, 73 are active but closed to new participants, and 6 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Kocaeli), 155 studies
PhaseStudiesRecruitingShare
Phase 3783250.3%
Observational301319.4%
Not applicable23914.8%
Phase 216810.3%
Phase 2/3513.2%
Phase 1/2201.3%
Phase 4110.6%

Most active sponsors

Lead sponsors with the most studies (Kocaeli)
Lead sponsorStudiesRecruiting
Kocaeli University199
Kocaeli City Hospital154
Janssen Research & Development, LLC127
Hoffmann-La Roche113
AstraZeneca104
Merck Sharp & Dohme LLC62
BeOne Medicines52
Novartis Pharmaceuticals51
Pfizer53
Amgen41
Listing here is informational and not medical advice; eligibility is determined by each study team. See also the Ireland, UK, EU, USA and China registers.