| Not Yet Recruiting | Semaglutide PrIor to CathEeter Ablation in Patients With Atrial Fibrillation Atrial Fibrillation (AF) | Phase 4 | 2026-10-01 |
| Not Yet Recruiting | Comprehensive Biomarker ProfiliNg in PatieNts With VEntriCular TachyCardia, PremAtuRe VEntricular Contractions Arrhythmia | — | 2026-04-01 |
| Recruiting | Same-Day Discharge Versus Overnight Stay Following Pulmonary Vein Isolation for Atrial Fibrillation Atrial Fibrillation | N/A | 2025-02-20 |
| Recruiting | Myval TransAXillary Transcatheter Aortic Valve Replacement Multicenter Clinical Registry Aortic Valve Stenosis | — | 2025-01-01 |
| Recruiting | Echocardiography-based Motion Integration and Management for Substrate Characterization and STAR Therapy in Ve Ventricular Arrythmia | — | 2023-08-14 |
| Unknown | Treatment of Functional Mitral Regurgitation in Patients With Atrial Fibrillation Atrial Fibrillation, Mitral Regurgitation Functional | N/A | 2023-06-01 |
| Unknown | QDOT Based PVI for Atrial Fibrillation Treatment - The peQasus Study Atrial Fibrillation | — | 2023-01-31 |
| Completed | Venous Vascular Closure System Versus Manual Compression Following Single Shot Device AF Ablation Atrial Fibrillation | N/A | 2022-11-22 |
| Recruiting | The International SubcutaneouS Implantable Cardioverter Defibrillator Registry (iSuSI) Sudden Cardiac Death | — | 2022-07-01 |
| Completed | PrOgnosis Following Esophageal FisTula FormaTion in Pts Undergoing CathetER Ablation for AF Study Atrial Fibrillation, Atrio-Oesophageal Fistula, PVI | — | 2022-03-31 |
| Active Not Recruiting | Ovarian PRP (Platelet Rich Plasma) Injection for Follicular Activation Premature Ovarian Insufficiency, Infertility, Female, Sterility, Female | N/A | 2022-03-17 |
| Recruiting | Real-world Evidence on Follitropin Delta Individual Dosing Infertility, Sterility | — | 2021-12-08 |
| Unknown | Monitoring of MDRO Dynamics and Resistance Mechanisms in a University Hospital Network MDRO | — | 2021-06-23 |
| Recruiting | Epidemiology of Sexually Transmitted Infections and Its iMpAcT on fEmale Infertility Sexually Transmitted Infection | — | 2020-11-11 |
| Unknown | Strategies to Maintain Radial Artery Patency Following Diagnostic Coronary Angiography - Subgroup of Patients Patient Undergoing Diagnostic Coronary Angiography | N/A | 2020-05-01 |
| Completed | Combined Optokinetic Stimulation and Cueing-based Reading Therapy to Treat Hemispatial Neglect Following Strok Spatial Neglect | N/A | 2020-01-22 |
| Unknown | LIPAD - LRRK2 International Parkinson's Disease Study Parkinson's Disease and Parkinsonism | — | 2020-01-20 |
| Recruiting | Additional Left Atrial Appendage Isolation During Balloon Ablation for Persistent or Long-standing Persistent Persistent or Long-standing Persistent Atrial Fibrillation | N/A | 2019-12-17 |
| Unknown | LUEbeck Registry of Intensive Care Patients - Characterization of the Patients Intestinal MICROBIOME ICU Patients | — | 2019-03-18 |
| Completed | Individualized Approach vs. Fixed Approach Paroxysmal Atrial Fibrillation | N/A | 2018-12-01 |
| Completed | Comparison of a Semi-automated Closed Vitrification System (Gavi®) With a Manual Open Vitrification Sytem (Cry Infertility | N/A | 2018-09-06 |
| Completed | Phrenic Nerve Injury During Pulmonary Vein Isolation With the Second-generation Cryoballoon. Phrenic Nerve Palsy | — | 2018-07-24 |
| Recruiting | Clinical Cohort Study on the Endocrinology and Vaginal/Endometrial Microbiome of the Luteal Phase in Assisted Infertility | — | 2018-05-02 |
| Completed | Intervening in Problematic Internet Use Internet Use Disorders | N/A | 2017-10-01 |
| Completed | Optimized Characterization of Takotsubo Syndrome by Obtaining Pressure Volume Loops Takotsubo Syndrome | N/A | 2017-09-01 |
| Completed | Ultrasound Evaluation of the IVC in Addition to Clinical Assessment to Guide Decongestion in ADHF Heart Failure | N/A | 2017-06-03 |
| Terminated | Effects of Acutely Elevated Afterload on Left Ventricular Contractility and Relaxation Heart Failure | N/A | 2016-12-01 |
| Terminated | Bioresorbable Vascular Scaffolds Versus Stents in Patients With Chronic Total Occlusion Coronary Artery Disease | N/A | 2016-09-01 |
| Completed | Black Tea Compresses for Facial Eczema and Perioral Dermatitis Eczema, Dermatitis | N/A | 2016-09-01 |
| Active Not Recruiting | Glycoprotein IIb/IIIa Inhibitors Versus Standard Therapy in Patients with Myocardial Infarction and No-reflow Acute Myocardial Infarction | Phase 4 | 2016-07-01 |
| Unknown | Intra-abdominal Pressure and Dynamic Preload Variables Pneumoperitoneum | — | 2016-03-01 |
| Terminated | EverolimuS-ElUtinG BioresorbAble VasculaR Scaffolds vErsus EVerolimus-Eluting Stents in Patients With Diabetes Coronary Artery Disease, Diabetes Mellitus | N/A | 2016-01-01 |
| Unknown | Cessation of Dialysis Treatment in Reinbek and Geesthacht Complication of Renal Dialysis, Long-Term Disorder of Dialysis | — | 2016-01-01 |
| Completed | Impact of Morphine Treatment on Platelet Inhibition in Acute Myocardial Infarction Acute Myocardial Infarction | Phase 4 | 2015-12-01 |
| Completed | HPV Infections, Cancer of the Vulva and Therapeutical Success HPV, Human Papilloma Virus | — | 2015-10-01 |
| Completed | Implementation of a Multicomponent Intervention to Prevent Physical Restraints in Nursing Home Residents (IMPR Dementia | N/A | 2015-03-01 |
| Completed | Randomized Clinical Trial on Follicular Flushing in IVF Infertility | N/A | 2015-01-01 |
| Active Not Recruiting | Biomarkerscreening in Cervical Cancer and Its Preinvasive Lesions Evaluation of New Tissue Biomarkers for Cervical Cancer | — | 2014-09-01 |
| Completed | Culprit Lesion Only PCI Versus Multivessel PCI in Cardiogenic Shock Cardiogenic Shock, Acute Myocardial Infarction, Complications | Phase 4 | 2013-04-01 |
| Completed | Effectiveness of Internet-based Depression Treatment (EVIDENT) in Severe Depression Severe Depressive Symptoms | N/A | 2013-02-01 |
| Completed | Breath Gas Measurement of Propofol During Anesthesia in Patients With Endourological Procedures Urological Disease | N/A | 2012-10-01 |
| Completed | The HEP-OKS Study - Hemifield Eye Patching and Optokinetic Stimulation to Treat Hemispatial Neglect in Stroke Spatial Neglect, Cerebral Stroke | Phase 3 | 2012-08-01 |
| Completed | Effectiveness of Internet-based Depression Treatment Mild to Moderate Depressive Symptoms | N/A | 2012-07-01 |
| Completed | Liraglutide Effects on Memory in Healthy Subjects Healthy | Phase 1 | 2012-05-01 |
| Completed | Treatment of Diabetic Macular Edema With 0.5mg Intraocular Ranibizumab (Lucentis) Age-Related Macular Degeneration | N/A | 2011-10-01 |
| Completed | Elastic Stable Intramedullary Nailing of Dislocated Clavicle Fractures in Children Dislocated Clavicular Fracture Treated With Elastic Stable Intramedullary Nailing | — | 2011-04-01 |
| Completed | Ranibizumab Short- and Log-term Effects on Retinal Function in wAMD Age-Related Macular Degeneration, Retinal Function | N/A | 2010-10-01 |
| Unknown | FRC Guided Therapy in Acute Respiratory Failure Mechanical Ventilation, Acute Respiratory Failure, Cardiac Surgery | Phase 4 | 2010-10-01 |
| Terminated | Online Self-help for Depressed Patients Awaiting Psychotherapy Major Depressive Disorder | N/A | 2010-10-01 |
| Completed | The Effect of Teenage Maternity on Obstetrical and Perinatal Outcomes Pregnancy | — | 2010-04-01 |
| Completed | Vitrification Versus Spontaneous Conception and Slow- Rate Freezing Pregnancy | — | 2010-03-01 |
| Completed | Outcome of Fetal Spina Bifida Pregnancy, Fetal and Neonatal Health | — | 2009-12-01 |
| Completed | Modification of ESIN-osteosynthesis in a Femoral Fracture Model and Its Transmission to Clinical Practice Femoral Fracture, Children | N/A | 2009-01-01 |
| Completed | The Relation Between Preoperative ScO2 and the Postoperative Course of Humoral Organ Dysfunction Markers. Patients Undergoing Cardiac Surgery | — | 2009-01-01 |
| Completed | Temporally Splitting Ovarian Stimulation and Embryo Transfer Splitting of Ovarianstimulation and Embryotransfer | — | 2008-11-01 |
| Completed | Study to Evaluate the Effects of Ranibizumab (Lucentis) for Patients With Rubeosis and Neovascular Glaucoma Neovascular Glaucoma, Rubeosis | N/A | 2008-11-01 |
| Completed | Community Reinforcement and Family Training (CRAFT) for Treatment-resistant Individuals With Alcohol Use Disor Alcohol Dependence, Alcohol Abuse | N/A | 2008-08-01 |
| Completed | The Usefulness of Growth Differentiation Factor 15 (GDF-15) for Risk Stratification in Cardiac Surgery Heart Failure, Coronary Artery Disease | — | 2008-01-01 |
| Completed | Immunoadsorption, Dexamethasone Pulse Therapy and Rituximab for Pemphigus Pemphigus | Phase 2 | 2008-01-01 |
| Completed | Study of Immunoadsorption to Treat Severe Atopical Dermatitis Associated With Excessively High Serum IgE Level Dermatitis, Atopic | N/A | 2008-01-01 |
| Completed | Functional Residual Capacity (FRC) Guided Alveolar Recruitment Strategy Ventilation, Functional Residual Capacity | Phase 4 | 2007-10-01 |
| Unknown | Transcranial Direct Current Stimulation (tDCS) As A Tool For Prospective Responder Identification Before Vagus Epilepsy | N/A | 2007-09-01 |
| Completed | Continuous and Discontinuous Determination of Propofol Concentration in Breathing Gas General Anesthesia | — | 2007-09-01 |
| Unknown | Full Disclosure Observational Cardiac Rhythm Documentation Follow-up After Surgical Atrial Fibrillation Therap Atrial Fibrillation | — | 2007-07-01 |
| Completed | Brief Intervention for Prescription Drug Misuse in General Hospital Substance-related Disorders | Phase 2 | 2005-11-01 |
| Suspended | Therapy Study of Automated Protocolized vs. Physician-Directed Non-Protocolized Weaning Neoplasms, Musculoskeletal Diseases, Digestive System Diseases | N/A | 2005-11-01 |
| Completed | Alcohol Expert System Intervention for Problematic Alcohol Use Alcohol-related Disorders, Alcohol Drinking | N/A | 2004-10-01 |
| Completed | Brief Interventions on Smoking for Hormonal Contraceptive Users Smoking | N/A | 2004-10-01 |
| Completed | Medical In-Patient Rehabilitation in Rheumatoid Arthritis Rheumatoid Arthritis | Phase 3 | 2003-10-01 |
| Completed | The Effects of Adrenaline and Milrinone in Patients With Myocardial Dysfunction After CABG Cardiac Output, Low | Phase 3 | 2003-06-01 |
| Completed | Indocyanine Green or Trypan Blue for Delamination of the Internal Limiting Membrane in Macular Hole Surgery Idiopathic Macular Hole | N/A | 2003-04-01 |
| Completed | Minimizing Immunosuppression in Old for Old Kidney Transplantation Kidney Transplantation | Phase 4 | 2002-03-01 |
| Completed | Stepped Interventions for Problem Drinkers Alcohol-Related Disorders, Alcohol Drinking | N/A | 2001-10-01 |
| Unknown | Long-Term Follow-up After the Autograft Aortic Valve Procedure (Ross Operation) Aortic Valve Disease | — | 2001-01-01 |