| Recruiting | The Effect of Sodium Glucose Co-trnasportert Type 2 Inhibitors on Arterial Stiffness, Endothelial Glycocalyx T Myocardial Infarction (MI), Diabete Type 2 | — | 2026-01-09 |
| Completed | Cotinus Coggygria Mouthwash and Halitosis and Oral Hygiene in Orthodontic Patients Orthodontic Appliance Complication, Halitosis | N/A | 2025-12-03 |
| Withdrawn | Arterial Pressure and Stress-Dose Steroids in Cardiac Arrest. Cardiac Arrest | — | 2025-12-01 |
| Recruiting | Burnout Syndrome in the Intensive Care Unit Before and During a Palliative Care Trial Burnout Syndrome | — | 2025-07-15 |
| Not Yet Recruiting | Chios Mastic Toothpaste and Halitosis and Oral Hygiene in Orthodontic Patients Halitosis, Orthodontic Appliance Complication | N/A | 2025-01-07 |
| Recruiting | The Effect of Cytisine Treatment for Smoking Cessation on Cardiovascular Function in Adult Smokers Smoking Cessation, Arterial Stiffness, Endothelial Dysfunction | — | 2024-11-12 |
| Recruiting | The Effect of Lipoprotein (a) on Arterial Stiffness, Endothelial Function and Myocardial Deformation Lipoprotein Disorder, Arterial Stiffness, Endothelial Dysfunction | — | 2024-09-25 |
| Completed | The Effect of the Human Regenerator Jet Device on the Quality of Life of Adult Individuals [HR-QoL] Chronic Stress, Chronic Fatigue, Chronic Pain | N/A | 2024-07-09 |
| Recruiting | Flecainide in Idiopathic Premature Ventricular Contractions and Related Cardiomyopathy Premature Ventricular Beats, Premature Ventricular Complexes, Premature Ventricular Contraction (PVC) | — | 2024-04-26 |
| Completed | Survey on Palliative Care and Law Perception End of Life | — | 2024-04-22 |
| Unknown | HEllenic Multicenter ReAl-life CLInical Study for Bulevirtide Therapy in Chronic Hepatitis D: HERACLIS-BLV Hepatitis D | — | 2023-05-01 |
| Unknown | The Effect of Dietary Intervention on Endothelial Glycocalyx in Psoriasis Psoriasis | N/A | 2022-11-01 |
| Unknown | The Effect of Dietary Intervation on Endothelial Glycocalyx in COVID-19 Patients. COVID-19, Endothelial Dysfunction | N/A | 2022-06-01 |
| Completed | The Effect of Oral Probiotics on Oral Hygiene and Halitosis in Orthodontic Patients. Halitosis, Probiotics, Orthodontic Appliance Complication | N/A | 2022-02-02 |
| Active Not Recruiting | The Effectiveness of 3 Orthodontic Fixed Retention Schemes on Post-treatment Stability and Gingival Recession Relapse, Orthodontic Retention | N/A | 2022-01-16 |
| Completed | Effectiveness of Low Dose Gonadotropin Stimulation Protocol Vs High Dose Gonadotropin Protocol in Poor Respond Female Infertility | EARLY_Phase 1 | 2022-01-01 |
| Completed | The Effects of Dihydromiricetin on MASLD NAFLD | N/A | 2021-11-01 |
| Unknown | Vaginal Versus Combined Use of Progesterone in Fresh IVF/ICSI Cycles Luteal Phase | — | 2021-09-14 |
| Completed | Effect of Face Mask on Exhaled Carbon Monoxide of Smokers Concentration of Exhaled Carbon Monoxide | — | 2021-07-02 |
| Terminated | Cerebral Autoregulation and COVID-19 COVID-19 Acute Respiratory Distress Syndrome, COVID-19 Pneumonia | N/A | 2021-06-22 |
| Unknown | Reliability and Validity of a New Device Measuring Spinal Rotation on the Transverse Plane Scoliosis | — | 2021-05-06 |
| Recruiting | Effect of Olivomed (Olive Extract) on Endothelial, Cardiac and Vascular Function Coronary Artery Disease | N/A | 2020-12-01 |
| Unknown | Arrhythmic Risk Stratification in Nonischemic Dilated Cardiomyopathy Sudden Cardiac Death Due to Cardiac Arrhythmia, Dilated Cardiomyopathy | N/A | 2020-09-01 |
| Unknown | Clinical Performance of a One-step Self-etch Adhesive in Non-carious Cervical Lesions at 2 Years Non-carious Cervical Lesions, Adhesive Performance | Phase 2 | 2020-07-21 |
| Unknown | TAVI in Intermediate Risk Septuagenarians With Risk Factors Not Captured by the Traditional Surgical Risk Scor Transcatheter Aortic Valve Replacement | — | 2020-07-01 |
| Unknown | Comparison of Epidural, Combined and Dural Puncture Labor Epidural on Pain, and Course of Vaginal Delivery Labor Pain, Analgesia | N/A | 2020-02-26 |
| Recruiting | Postoperative Relapses in MS Patients Multiple Sclerosis Relapse, Surgery, Anesthesia | — | 2019-12-20 |
| Unknown | Effect of Angiotensin Converting Enzyme and Sacubitril Valsartan in Patients After Bone Marrow Transplantation Hematopoietic Stem Cell Transplantation, Cardiotoxicity | N/A | 2019-09-20 |
| Completed | End-of-life Practices in 2019 vs. 2014 Terminal Illness, Heart Arrest, Ethics, Narrative | — | 2019-09-03 |
| Completed | Influenza Vaccine Effectiveness of a Quadrivalent Vaccine in Pregnant Women and Young Infants, 2019-2020 Influenza in Human | — | 2019-09-01 |
| Completed | Aflibercept for Diabetic Macular Edema In Real-life Practice in GREece Diabetic Macular Edema | — | 2019-09-01 |
| Unknown | Functionality of Endogenous Biological Clock in Sepsis Circadian Rhythm Disorders, Sepsis | — | 2019-06-03 |
| Unknown | Sedation With Dexmedetomidine Versus Remifentanil in Urogynecological Surgery Under Spinal Anaesthesia Vaginal Hysterectomy, Suburethral Slings | Phase 3 | 2019-03-20 |
| Unknown | Preemptive Versus Preventive Antiemetic Treatment Postoperative Nausea and Vomiting | N/A | 2018-11-01 |
| Terminated | Vitamin C, Steroids, and Thiamine, and Cerebral Autoregulation and Functional Outcome in Septic Shock Septic Shock | Phase 1 / Phase 2 | 2018-09-06 |
| Terminated | Vitamin C, Hydrocortisone and Thiamine for Septic Shock Shock, Septic | Phase 2 | 2018-09-06 |
| Completed | Strain Imaging in Patients With Functional Mitral Regurgitation, Treated With MitraClip Mitral Regurgitation, Heart Failure | — | 2018-05-10 |
| Unknown | The Effects of I Quit Ordinary Smoking on the Arterial Wall and Endothelial Glycocalyx Properties of Smokers Smoking Cessation | N/A | 2018-03-30 |
| Unknown | The Role of Adipokines In Atrial Fibrillation Atrial Fibrillation, Adiposity, Adiponectin | — | 2018-03-29 |
| Unknown | Assessing Cardiovascular Dysfunction Pre- & Post-treatment in Inflammatory Bowel Diseases Inflammatory Bowel Diseases | — | 2018-01-26 |
| Completed | Compliance After Orthodontic Treatment Using Thermoplastic or Hawley Retainers Orthodontic Retention Compliance | N/A | 2018-01-03 |
| Withdrawn | Efficacy of Rotations Between Abiraterone Acetate and Apalutamide in mCRPC Patients Prostatic Neoplasms, Castration-Resistant | Phase 2 | 2018-01-01 |
| Active Not Recruiting | Impaired Endothelial Integrity in Patients With Embolic Stroke of Undetermined Source (ESUS) Embolic Stroke of Undetermined Source, Endothelial Dysfunction | — | 2018-01-01 |
| Unknown | Effect of Perioperative iv Dexmedetomidine vs. Lidocaine on Postoperative Pain, Analgesic Consumption and Reco Hysterectomy, Myomectomy | Phase 2 / Phase 3 | 2017-11-14 |
| Recruiting | The Cardiovascular Effect of GLP-1 Agonist, SGLT2 Inhibitor and Their Combination Diabetes Mellitus, Type 2 | — | 2017-11-03 |
| Unknown | Effects of Interleukin-6 Inhibition on Vascular, Endothelial and Left Ventricular Function in Rheumatoid Arthr Rheumatoid Arthritis, Inflammation | — | 2017-10-27 |
| Completed | Hemospec Device for the Diagnosis of Sepsis Sepsis | N/A | 2017-10-09 |
| Completed | Hemospec Device for Sepsis Diagnosis Sepsis | N/A | 2017-10-02 |
| Unknown | Cardiovascular Complications of Carfilzomib Treatment Multiple Myeloma | — | 2017-03-23 |
| Unknown | The Effects of Electronic Cigarette Smoking on the Arterial Wall and Endothelial Glycocalyx Properties of Smok Smoking Cessation | N/A | 2017-01-31 |
| Completed | Changes in Circulating Sclerostin Levels During Acute Postsurgical Hypoparathyroidism Hypoparathyroidism Postprocedural | — | 2017-01-01 |
| Completed | Intravitreal Aflibercept for Macular Edema Due to Central Retinal Vein Occlusion Retinal Vein Occlusion, Vascular Occlusive Disease | Phase 4 | 2017-01-01 |
| Completed | A Trial to Assess the Safety and Efficacy of Prophylactic TicagrelOr With Acetylsalicylic Acid Versus CLopidog Aortic Valve Stenosis | Phase 3 | 2016-12-01 |
| Completed | Physiologic Effects of Steroids in Cardiac Arrest Inhospital Cardiac Arrest | Phase 1 / Phase 2 | 2016-11-04 |
| Completed | Proadrenomedullin for Early Risk Assessment in the Emergency Department Fatal Outcome | — | 2016-06-01 |
| Unknown | RCT for the Effectiveness of 3 Orthodontic Retention Schemes on Post-treatment Stability and Gingival Recessio Relapse, Gingival Recession | N/A | 2016-03-16 |
| Completed | Effects of Agonists of Glucagon Like Peptide - 1 Receptors (GLP-1R) on Arterial Stiffness, Endothelial Glycoca Type 2 Diabetes Mellitus, Coronary Artery Disease | N/A | 2015-11-01 |
| Recruiting | Environment and Cardiovascular Disease: The Corinthia Study Cardiovascular Diseases | — | 2015-10-20 |
| Completed | Personalized Needs in Clostridium Difficile Infections Biologic Markers, Clinical Markers | — | 2015-10-01 |
| Unknown | Postoperative Pain and Angiotensin II Receptor Antagonists Hypertension | Phase 4 | 2015-08-01 |
| Completed | Steroids and Post-resuscitation Infectious (Septic) Complications Infections, Cardiac Arrest | — | 2015-03-01 |
| Recruiting | Acute Exposure to Diesel: Prolong Effects on Inflammation and Vasculature Atherosclerosis | N/A | 2015-01-01 |
| Unknown | Effect of Smoking Reduction on Endothelial Glucocalyx and Vascular Function Smoking Cessation | Phase 4 | 2014-12-03 |
| Completed | Changes in Arterial Stiffness and Endothelial Glycocalyx in Patients With Poorly Controlled Diabetes Mellitus Diabetes Mellitus | — | 2014-11-01 |
| Unknown | Administration of DHEA in Patients With Poor Response to Ovarian Stimulation for IVF Efficacy of DHEA, Pregnancy Rate, Diminished Ovarian Reserve | Phase 2 / Phase 3 | 2014-10-01 |
| Unknown | Clomiphene Citrate in Combination With Gonadotropins for Ovarian Stimulation in Women With Poor Ovarian Respon Female Infertility | Phase 2 / Phase 3 | 2014-10-01 |
| Unknown | Levels of Anti-Mullerian Hormone (AMH) During Ovarian Stimulation With Gonadotropins Female Infertility | Phase 2 / Phase 3 | 2014-10-01 |
| Completed | Probiotics in Intestinal Bacterial Overgrowth Irritable Bowel Syndrome | N/A | 2014-09-01 |
| Unknown | Atrial Fibrillation Prediction Trial. Atrial Fibrillation | — | 2014-09-01 |
| Unknown | Central Blood Pressure in Adolescents and Young Adults Healthy, Hypertension | — | 2014-07-01 |
| Unknown | The Acute and Chronic Effects of Remote Ischemic Conditioning on Cardiovascular Function Acute Myocardial Infarction | N/A | 2014-06-27 |
| Unknown | Validation of the 4TS RAM in the Prevention of Venous Thromboembolism in Patients With Plasma Cell Dyscrasias. Multiple Myeloma, Venous Thromboembolism | — | 2014-06-01 |
| Unknown | Effects of Treatment With Biological Agents on Vascular and Cardiac Function in Psoriasis Psoriasis | Phase 4 | 2014-05-30 |
| Completed | Risk Stratification in Patients With Preserved Ejection Fraction Myocardial Infarction | — | 2014-04-01 |
| Unknown | Continuous Versus Cyclic Oral Contraceptives for Endometriosis Dysmenorrhea, Pelvic Pain, Dyspareunia | Phase 4 | 2014-04-01 |
| Unknown | Platelet Reactivity, B-amyloid, MOTS-c and Mortality of Type II Diabetics With CAD Diabetes, Clopidogrel Resistance, Amyloid | — | 2014-01-01 |
| Completed | Physiological Study of Low-frequency HFO/HFO-TGI and High-frequency HFO Acute Respiratory Distress Syndrome, Acute Cor Pulmonale | Phase 1 | 2014-01-01 |
| Completed | Clinical and Biological Markers in Acute Respiratory Failure Ventilator-Associated Pneumonia, Acute Respiratory Distress Syndrome | — | 2013-12-01 |
| Completed | Vascular Markers During OGTT in Diabetics and First-degree Relatives Diabetes Mellitus | — | 2013-02-01 |
| Recruiting | The Role of Glycocalyx Integrity in the Primary Prevention of Major Cardiovascular Events Endothelial Dysfunction, Arterial Stiffness | — | 2013-01-10 |
| Unknown | Association Between Left Ventricular Deformation and Aerobic Exercise Capacity in Untreated Arterial Hypertens Arterial Hypertension | — | 2012-06-01 |
| Unknown | Evaluation of Nocturnal Hypertension and Correlation With Target-Organ Damage Nocturnal Hypertension | — | 2012-03-01 |
| Completed | Anakinra in Hidradenitis Suppurativa Hidradenitis Suppurativa | Phase 2 | 2012-03-01 |
| Unknown | Ambulatory Versus Home Blood Pressure Monitoring in Obstructive Sleep Apnea Obstructive Sleep Apnoea, Hypertension | — | 2012-02-01 |
| Completed | The Effect of Non-surgical Periodontal Treatment in the Renal Function of Patients With Chronic Kidney Disease Chronic Kidney Disease, Periodontitis | N/A | 2012-01-30 |
| Completed | Phase IV Study of Tarceva in Patients With Advanced Stage IIIB/ IV Non-small Cell Lung Cancer (NSCLC) Non-small Cell Lung Cancer | — | 2012-01-01 |
| Completed | Bevacizumab in Combination With Chemotherapy in Patients With Advanced or Recurrent Non-squamous NSCLC Non-small Cell Lung Cancer, Unresectable Malignant Neoplasm | — | 2012-01-01 |
| Unknown | the Effects of Epidural Fentanyl on Vaginal Delivery Cervical Dilatation, Bishop Score, Duration of Delivery | N/A | 2011-12-01 |
| Terminated | High Frequency Oscillatory Ventilation for Acute Respiratory Distress Syndrome (ARDS) Acute Respiratory Distress Syndrome | Phase 2 / Phase 3 | 2011-11-01 |
| Unknown | Reactivation of CMV Infection in Immunocompetent Patients Under Severe Stress Cytomegalovirus Viraemia, Stress, Physiological, Receptor, Hormonal; Disorder | — | 2011-06-01 |
| Completed | Effects of Interleukin-1 Inhibition on Vascular and Left Ventricular Function in Rheumatoid Arthritis Patients Rheumatoid Arthritis, Coronary Artery Disease, Inflammation | N/A | 2011-03-01 |
| Completed | Sedation in Endoscopic Retrograde Cholangiopancreatography (ERCP) With or Without Opioids Chronic Pain | N/A | 2011-02-01 |
| Completed | Spinal Anesthesia for Cesarean Delivery is Associated With Decreases in Regional Cerebral Oxygen Saturation as Cerebral Oxygen Saturation During Spinal Anesthesia for Cesarean Delivery | N/A | 2010-12-01 |
| Unknown | Sugammadex: Effect on the Awareness Monitoring and Hemodynamics Surgical Procedure, Unspecified | N/A | 2010-12-01 |
| Unknown | The Role of NEMS for Post ICU Rehabilitation Critical Illness | Phase 2 | 2010-11-01 |
| Completed | Synbiotics and Gastrointestinal Function Related Quality of Life After Colectomy for Cancer Colorectal Neoplasms | N/A | 2010-11-01 |
| Completed | Viral Infections in BAL and Bronchial Biopsies of Stable COPD Patients HRV and RSV Presence in the Lungs of Stable COPD Patients. | — | 2010-11-01 |
| Completed | Home Versus Ambulatory Monitoring, Diurnal Blood Pressure Profile, Detection of Non-Dippers Hypertension | N/A | 2010-11-01 |
| Unknown | The Impact of Obesity on Children and Adolescents. Obesity, Cardiovascular Risk Factors | — | 2010-09-01 |
| Unknown | Inflammatory Mediators in Obstructive Sleep Apnoea Syndrome; Mechanisms of Production and the Effect of Long T Obstructive Sleep Apnea Syndrome | N/A | 2010-08-01 |
| Unknown | High-intensity Interval Versus Combined Exercise Training in CHF Heart Failure | N/A | 2010-05-01 |
| Completed | Analgesia in Laparoscopic Cholecystectomy Pain, Postoperative, Chronic Postoperative Pain | N/A | 2010-05-01 |
| Completed | Nasal Tramazoline and Dexamethazone in Obstructive Sleep Apnea (OSA) Patients Tramazoline and Obstructive Sleep Apnea Syndrome | N/A | 2010-04-01 |
| Completed | Hybrid Blood Pressure Monitor Validation Essential Hypertension | Phase 4 | 2010-04-01 |
| Unknown | A Randomised Comparison Between Single Incision Laparoscopic Cholecystectomy and Standard Laparoscopic Cholecy Cholecystectomy, Laparoscopic | N/A | 2010-04-01 |
| Completed | Epidural Versus Continuous Wound Ropivacaine Infusion Analgesia Postoperative Analgesia | N/A | 2010-04-01 |
| Unknown | Blood Pressure Assessment in Atrial Fibrillation Atrial Fibrillation | — | 2010-03-01 |
| Completed | Paracetamol as Antipyretic and Analgesic Medication Fever, Analgesia | Phase 4 | 2010-01-01 |
| Completed | Seasonal Variation of Ambulatory Blood Pressure Hypertension | — | 2010-01-01 |
| Unknown | Procalcitonin Monitoring May Decrease Antibiotic Use in the Intensive Care Unit Sepsis | — | 2010-01-01 |
| Completed | Markers of Liver Apoptosis After Anesthesia With Sevoflurane or Propofol Liver Dysfunction | N/A | 2009-10-01 |
| Unknown | Ambulatory Versus Home Blood Pressure Measurement Arterial Hypertension | — | 2009-10-01 |
| Completed | Lung Sonography in Patients With Acute Respiratory Distress Syndrome in Intensive Care Unit ARDS | — | 2009-09-01 |
| Completed | Effect of Combination of Bortezomib/Dexamethasone/Zoledronic Acid on Bone Disease in Patients With Multiple My Multiple Myeloma | Phase 2 | 2009-07-01 |
| Completed | Validation of WatchBP Office Ankle-brachial Index (ABI) Function Hypertension | — | 2009-06-01 |
| Unknown | The Association of Bullous Pemphigoid With Dipeptidyl-peptidase 4 Inhibitors Bullous Pemphigoid | — | 2009-04-01 |
| Unknown | Home Blood Pressure in Hypertension Management Essential Hypertension | Phase 4 | 2009-02-01 |
| Completed | Use of Lidocaine in Rapid Sequence Induction Hemodynamic Response | N/A | 2008-10-01 |
| Completed | Heated Humidified Continuous Positive Airway Pressure and Nasal Physiology Obstructive Sleep Apnea Syndrome, Nasal Obstruction | — | 2008-09-01 |
| Completed | Vasopressin, Epinephrine, and Steroids for Cardiac Arrest Cardiac Arrest | Phase 3 | 2008-09-01 |
| Completed | Study of a Novel Technique of Mechanical Ventilation in Patients With Severe Acute Respiratory Failure Respiratory Distress Syndrome | Phase 2 / Phase 3 | 2008-03-01 |
| Completed | Lenalidomide, Dexamethasone and Cyclophosphamide in Amyloidosis (AL) Amyloidosis | Phase 1 / Phase 2 | 2008-02-01 |
| Unknown | Arrhythmia Prediction Trial Myocardial Infarction, Dilated Cardiomyopathy, Heart Failure | — | 2007-10-01 |
| Unknown | Electrical Muscle Stimulation (EMS), a Preventive and Therapeutic Tool for Critical Illness Polyneuromyopathy Critical Illness Polyneuromyopathy (CIPNM), ICU Acquired Weakness (ICUAW) | Phase 2 | 2007-09-01 |
| Completed | Clarithromycin as Immunomodulator for the Management of Sepsis Sepsis, Severe Sepsis, Septic Shock | Phase 3 | 2007-07-01 |
| Terminated | Treatment of Refractory Diabetic Macular Edema With Infliximab Diabetic Macular Edema, Visual Acuity, Diabetic Retinopathy | Phase 3 | 2007-07-01 |
| Completed | Importance of Cytokines in Peptic Ulcer Disease: Implications for Treatment Peptic Ulcer | Phase 4 | 2007-02-01 |
| Completed | Cytological Evaluation of Biliary Epithelium After Endoscopic Sphincterotomy Endoscopic Sphincterotomy, Cholangiocarcinoma | — | 2006-10-01 |
| Completed | Combined High Frequency Oscillation and Tracheal Gas Insufflation for Severe Acute Respiratory Distress Syndro Respiratory Distress Syndrome, Adult | Phase 1 / Phase 2 | 2006-07-01 |
| Completed | Combined Vasopressin, Methylprednisolone, and Epinephrine for Inhospital Cardiac Arrest Heart Arrest | Phase 2 | 2006-06-01 |
| Completed | Etanercept in Hidradenitis Suppurativa Hidradenitis Suppurativa | Phase 2 | 2005-09-01 |
| Unknown | Exercise Training Effects in Patients With Heart Failure Chronic Heart Failure | N/A | 2004-11-01 |
| Completed | The Genetic and Life Style Determinants of Bone Mass of Young Greek Males Osteoporosis | — | 2004-10-01 |
| Completed | Teicoplanin Prophylaxis for Total Hip or Knee Arthroplasty Total Hip and Knee Arthroplasties | Phase 4 | 2004-08-01 |
| Completed | Intravenous Clarithromycin in Septic Syndrome Sepsis, Ventilator Associated Pneumonia | Phase 4 | 2004-06-01 |