| Ultraviolet Germicidal Irradiation on the New Silicone Half-Piece Elastometric Respirators (NCT04749121) | Bangkok Metropolitan Administration Medical College and Vajira Hospital | 2020-04-01 |
| Impact of Maternal COVID-19 Disease on Breast Milk and Infant Health (NCT04768244) | Institute of Agrochemistry and Food Technology, National Research Council | 2020-04-01 |
| Evolution of COVID-19 in Anticoagulated or Antiaggregated Patients (CORONA Study) (NCT04518735) | Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau | 2020-04-01 |
| Short Term Low Dose Corticosteroids for Management of Post covid19 Pulmonary Fibrosis (NCT04551781) | South Valley University | 2020-04-01 |
| Investigational Treatments for COVID-19 in Tertiary Care Hospital of Pakistan (NCT04492501) | UNICEF | 2020-04-01 |
| Short Term Corticosteroids in SARS-CoV2 Patients (NCT04445506) | The Miriam Hospital | 2020-04-01 |
| Patient-reported Outcomes and Lung Function After Hospitalization for COVID-19 (NCT04535154) | University Hospital, Akershus | 2020-03-31 |
| COVID-19 in Nursing Homes 2020 and 2021 (NCT04945863) | Lena Nilsson | 2020-03-31 |
| Association of the Neutrophil/Lymphocyte Ratio With Pulmonary Complications and Mortality in COVID-19 Patients (NCT05052346) | Hospital General de Mexico | 2020-03-30 |
| Seroprevalence of SARS-Cov-2 in the Setting of a Non-dedicated COVID-19 Hospital in a Low CoV-2 Incidence Area: Implications for Surgery (NCT04480580) | University of Cagliari | 2020-03-30 |
| Identification of Predictors for the Evolution of COVID-19 Related Pneumonia by Transcriptomic and Seroproteomic (NCT04441502) | IRCCS Policlinico S. Donato | 2020-03-30 |
| Prevention With Chloroquine in Health Personnel Exposed to Infection With Coronavirus Disease 2019 (COVID-19) (TS-COVID) (NCT04627467) | Fundacion Clinica Valle del Lili | 2020-03-28 |
| Effectiveness of Hydroxychloroquine in Covid-19 Patients (NCT04328272) | Prof. Dr. Umar Farooq | 2020-03-28 |
| Pediatric Intensive Care and COVID-19 (NCT04544878) | Bicetre Hospital | 2020-03-26 |
| Hemostatic Profile in Patients Affected by COVID-19 (NCT04595110) | ANNA FALANGA | 2020-03-25 |
| COVID-19 Registry to Assess Frequency, Risk Factors, Management, and Outcomes of Arterial and Venous Thromboembolic Complications (NCT04535128) | Brigham and Women's Hospital | 2020-03-24 |
| COVID-19 Longitudinal Biomarkers in Lung Injury (NCT04747782) | Dr. Andrew Baker | 2020-03-23 |
| Acute Kidney Injury in Patients With CoVID-19 (NCT04872764) | Uşak University | 2020-03-20 |
| The Effect of Diabetes Mellitus on the Prognosis of Patients With COVID-19 (NCT04591704) | Uşak University | 2020-03-20 |
| PAtterns and Extension in COVID-19 Related Interstitial Pneumonia: CT Analysis (NCT04741178) | Morgagni Pierantoni Hospital | 2020-03-20 |
| Convalescent Plasma for the Treatment of COVID-19 (Coronavirus Disease 2019) (NCT04554992) | The Methodist Hospital Research Institute | 2020-03-20 |
| The Effect of COVID-19 on Diabetes Mellitus (NCT04592055) | Uşak University | 2020-03-20 |
| COVID-19 Citizen Science Expansion Project (NCT05548803) | University of California, San Francisco | 2020-03-18 |
| Impact of COVID-19 Pandemic on Orthopaedic Practice (NCT05026788) | Imperial College Healthcare NHS Trust | 2020-03-17 |
| Collection of SARS CoV-2 (COVID-19) Virus Secretions and Serum for Countermeasure Development (NCT04956445) | Tulane University | 2020-03-17 |
| Frequency of Perforated Appendicitis in Times of COVID-19 (NCT04472052) | University Hospital Tuebingen | 2020-03-16 |
| Epidemiologic, Clinical and Molecular Characteristics of Patients With Acute Respiratory Failure Affected by 2019-NCOV. (NCT04552340) | Istituto Clinico Humanitas | 2020-03-16 |
| Effects of Different Dialysis Strategies on Inflammation in COVID-19 Maintenance Hemodialysis Patients (NCT04685447) | Universita degli Studi di Genova | 2020-03-16 |
| Comparison Between Positive and Negative COVID-19 Pneumonia (NCT04507893) | University of Palermo | 2020-03-15 |
| The Effects of Smoking on Mortality in Patients With Acute Respiratory Syndrome Coronavirus 2 Infection (NCT04874363) | Sisli Hamidiye Etfal Training and Research Hospital | 2020-03-15 |
| Maternal And Neonatal Outcome of Pregnant Patients With COVID-19 in Istanbul, Turkey: A Single-Center, Retrospective, Descriptive Study (NCT04337320) | Kanuni Sultan Suleyman Training and Research Hospital | 2020-03-15 |
| Survival and 30-days Hospital Outcome in COVID-19 Patients in Upper Egypt (NCT04488588) | Assiut University | 2020-03-15 |
| The Effect of Diabetes Mellitus on Mortality of Patients With COVID-19 (NCT04663659) | Sisli Hamidiye Etfal Training and Research Hospital | 2020-03-15 |
| Is Precariousness a Risk Factor for COVID-19 Mortality in Intensive Care? (NCT04896944) | Centre Hospitalier de Saint-Denis | 2020-03-13 |
| Clinical Features of COVID-19 Patients (NCT04815304) | San Salvatore Hospital of L'Aquila | 2020-03-13 |
| Predictive Value of SOFA and APACHE Scores for In-hospital Mortality in COVID-19 ICU Patients (NCT04713852) | Jessa Hospital | 2020-03-13 |
| Clinical Outcomes of Newborns Born to Pregnant Women With and Without COVID-19 (NCT04883801) | Kahramanmaras Sutcu Imam University | 2020-03-11 |
| Does COVID-19 Pandemic Reduce In-hospital Mortality? (NCT04480515) | Kanuni Sultan Suleyman Training and Research Hospital | 2020-03-11 |
| Obstetric Anesthesia Experiences in COVID-19 Positive Patients (NCT04691934) | Turkiye Yuksek Ihtisas Education and Research Hospital | 2020-03-11 |
| Association Between Body Mass Index and HFNC Therapy Success (NCT04799132) | Clínica del country | 2020-03-11 |
| The Impact of COVID-19 Pandemic to Trauma Patients in Emergency Department: A Multicenter Experience of Istanbul (NCT04479124) | Kanuni Sultan Suleyman Training and Research Hospital | 2020-03-10 |
| Prophylactic Versus Therapeutic Dose Anticoagulation In COVID-19 Infection at the Time of Admission To Critical Care Units (NCT04829552) | Corewell Health East | 2020-03-10 |
| Perinatal Outcomes and Hematologic Parameters in COVID-19 Pregnancies (NCT04515108) | Ankara City Hospital Bilkent | 2020-03-10 |
| Experience of an Emergency Intensive Care Unit During COVID-19 Pandemic (NCT04480060) | Kanuni Sultan Suleyman Training and Research Hospital | 2020-03-10 |
| Risk Stratification of Patients With Suspected COVID-19 Presenting to the ED (NCT04682093) | European Society for Emergency Medicine (EUSEM) Research Network | 2020-03-09 |
| Sex Hormone Dysregulations Are Associated With Critical Illness in COVID-19 Patients (NCT04979091) | Universitätsklinikum Hamburg-Eppendorf | 2020-03-08 |
| Mortality in Patients With Severe COVID-19 Pneumonia Who Underwent Tracheostomy (NCT04642703) | University of Chile | 2020-03-03 |
| Prediction of Thrombosis Using D-dimer Trends in COVID-19 (NCT04827160) | Central Hospital, Nancy, France | 2020-03-02 |
| The Role of CT Chest Scan in the Pre-anesthetic Assessment of Suspected or Confirmed COVID -19 Patients (NCT04560530) | Tanta University | 2020-03-01 |
| Inspiratory Effort in COVID-19 (NCT04666246) | University of Modena and Reggio Emilia | 2020-03-01 |
| Utility of Empiric Antibiotics for Non-intubated Novel Coronavirus Diseases 2019 Patients (NCT04674410) | National Institutes of Health Clinical Center (CC) | 2020-03-01 |
| Complications and Mortality Following Emergency Digestive Surgery During the COVID-19 Pandemic (NCT04479150) | Hospital Universitari de Bellvitge | 2020-03-01 |
| Dosing of Thromboprophylaxis and Mortality in Critically Ill COVID-19 Patients (NCT04593654) | Karolinska Institutet | 2020-03-01 |
| COVID-19 STAndard of Care in Sub-Saharan Africa (NCT04885543) | Alliance for International Medical Action | 2020-03-01 |
| The Effect of Covid-19 Process (NCT04872725) | Istanbul Medipol University Hospital | 2020-03-01 |
| the Impact of COVID-19 Pandemic on the Incidence and Outcome of Complicated Appendicitis (NCT04786041) | Meir Medical Center | 2020-03-01 |
| COVID-19 in Liver Transplant Recipients (NCT04361591) | Hospital Clinic of Barcelona | 2020-03-01 |
| Spanish Registry of Pregnant Women With COVID-19 (NCT04558996) | Puerta de Hierro University Hospital | 2020-03-01 |
| Tenofovir-DF Versus Hydroxychloroquine in the Treatment of Hospitalized Patients With COVID-19 (TEDHICOV) (NCT04812496) | Hospital Nacional Carlos Alberto Seguin Escobedo - EsSalud | 2020-03-01 |
| Respiratory Syncytial Virus Infection May be More Dangerous in Neonate (NCT04531735) | Dr. Behcet Uz Children's Hospital | 2020-03-01 |
| Mortality Due to COVID-19 in the COVID-AGEBRU Study (NCT04756479) | Brugmann University Hospital | 2020-03-01 |
| Pandemic Triage Score in Patients With Known or Suspected Severe Acute Respiratory Syndrome (SARS) CoronaVirus (CoV) 2 Infection (NCT04371471) | Groupe Hospitalier de la Rochelle Ré Aunis | 2020-03-01 |
| COVID-19 Testing Sample Acquisition Throughput and Efficiency (NCT04532411) | Massachusetts General Hospital | 2020-03-01 |
| Pronation in COVID-19 Patients Undergoing Non Invasive Respiratory Support (NCT04649658) | University of Modena and Reggio Emilia | 2020-03-01 |
| COVID-19 Testing in Patients With Vascular Disorders (NCT04838093) | Medical University of Vienna | 2020-03-01 |
| Thromboprophylaxis for Patients in ICU With COVID-19 (NCT04623177) | Instituto de Investigacion Sanitaria La Fe | 2020-03-01 |
| Predictive Models for Intensive Care Admission and Death of COVID-19 (NCT04401228) | Clinique Saint Pierre Ottignies | 2020-03-01 |
| Early Predictors of Prognostic Course in Patients With COVID-19 in Critical or Semi-intensive Area. (NCT04873388) | University of Turin, Italy | 2020-03-01 |
| Vascular Abnormalities Detected With Chest CT in COVID-19 (NCT04824313) | Salah D. Qanadli | 2020-03-01 |
| CORONA in the Saarland (NCT04837755) | Universität des Saarlandes | 2020-03-01 |
| MYocardial DOmmages Related to COVID-19 (NCT04498065) | Centre Hospitalier Universitaire Dijon | 2020-03-01 |
| Is Anti-Factor Xa Associated With Outcome in Patients With Critical COVID-19 on Low-Molecular-Weight Heparin? (NCT05256524) | Karolinska Institutet | 2020-03-01 |
| Nicotinamide-based Supportive Therapy in Lymphopenia for Patients With COVID-19 (NCT04910230) | Qiang Hu | 2020-03-01 |
| Micronutrient Status Involved in Immunity in Elderly Patients With COVID-19 (NCT04877509) | Hospices Civils de Lyon | 2020-03-01 |
| Coronavirus: Ventilator Outcomes Using Artificial Intelligence Chest Radiographs & Other Evidence-based Co-variates (NCT04855539) | King's College Hospital NHS Trust | 2020-03-01 |
| Incidence of VAP in Patients With Severe COVID-19 (NCT04766983) | Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico | 2020-02-28 |
| Application of Machine Learning Based Approaches in Emergency Department to Support Clinical Decision Managing SARS-CoV-2 Infected Patients (NCT04825301) | University of L'Aquila | 2020-02-27 |
| Case Fatalities in Hospitalised COVID-19 Patients in the UK (NCT04527458) | University of Edinburgh | 2020-02-24 |
| Prediction Models for Diagnosis and Prognosis of Severe COVID-19 (NCT04525287) | Second Affiliated Hospital, Zhejiang University, School of Medicine | 2020-02-20 |
| Montelukast - a Treatment Choice for COVID-19 (NCT04714515) | University of Sargodha | 2020-02-20 |
| Prevention and Treatment of Patient Before, During, and After Covid-19 Infection (NCT05043324) | Nguyen Thi Trieu, MD | 2020-02-20 |
| Characteristics of COVID-19 Patients in Kazakhstan in Early 2020 (NCT04627194) | Semey State Medical University | 2020-02-20 |
| Artificial Intelligence - SARS-CoV-2 (COVID-19) Risk Evaluation (NCT04834934) | IRCCS San Raffaele | 2020-02-16 |
| Covid-19 Pandemic and Cerebral Palsy (NCT04686565) | Diskapi Yildirim Beyazit Education and Research Hospital | 2020-02-15 |
| Caracterisation of COVID-19 Patients Hospitalized in Infectious Disease Department (NCT04779021) | Centre Hospitalier Universitaire de Nice | 2020-02-15 |
| Impact of the COVID-19 Pandemic on the Surgical Activity of Bellvitge University Hospital (NCT04780594) | Hospital Universitari de Bellvitge | 2020-02-13 |
| How Routine Biomarkers and Blood Leucocytes Count Can Assist Diagnosis of COVID-19 in Emergency Department (NCT04401241) | Centre Hospitalier Princesse Grace | 2020-02-01 |
| International Study of Inflammation in COVID-19 (NCT04818866) | University of Michigan | 2020-02-01 |
| Management of Acute Appendicitis at District General Hospital (NCT04707339) | Princess Alexandra Hospital NHS Trust | 2020-01-30 |
| Echocardiographic Manifestation in Patient With COVID-19 （EARLY-MYO COVID-19） (NCT04352842) | RenJi Hospital | 2020-01-21 |
| Burden of COVID-19 Infection in Populations With High or Low Risk of Infection (NCT04636203) | Neuromed IRCCS | 2020-01-15 |
| RescuE pLAsma eXchange in Severe COVID-19 (NCT04685655) | Heidelberg University | 2020-01-07 |
| Semen Parameters and COVID-19 in Infertile Men (NCT04643522) | Ankara City Hospital Bilkent | 2020-01-07 |
| COVID-19 Infection in Cancer Pantients (NCT04569292) | Ospedale Andrea Tortora di Pagani | 2020-01-01 |
| Immunohematology in COVID-19 Patients: A Hospital-based Retrospective Cohort Study (NCT04932954) | LI YAN | 2020-01-01 |
| COVID-19 and Venous Thromboembolism Risk (NCT04569344) | University of California, San Francisco | 2020-01-01 |
| COVID-19 Pandemic: Effect on Management of Patients With Breast Cancer (NCT04929964) | Mehwish Mooghal , MBBS | 2020-01-01 |
| COVID-19 Risk From Attending Outpatient Radiology Appointments (NCT04544176) | Nottingham University Hospitals NHS Trust | 2020-01-01 |
| Clinical Characteristics of Patients With Leukemia and COVID-19 (NCT04745416) | Hospital General de Mexico | 2020-01-01 |
| The Effect of Aerobic Exercise on Immune Biomarkers and Symptoms Severity and Progression in Patients With COVID-19: A Pilot Randomized Control Trial (NCT04581291) | Istanbul Gelisim University | 2020-01-01 |