| Effect of Hand-Washing Training in Covid-19 (NCT04957017) | Mehmet Akif Ersoy University | 2020-08-15 |
| Infection Prevention and Control Practices Regarding COVID-19 (NCT05130749) | King Saud University | 2020-08-12 |
| Cutaneous Manifestations of Coronavirus Disease 2019(COVID-19). (NCT05094687) | Jinnah Postgraduate Medical Centre | 2020-07-31 |
| Perceived Impact of the COVID-19 Pandemic on Medical Management and Symptoms in a High Risk Group (NCT04477473) | University Hospital, Geneva | 2020-06-30 |
| Therapeutic Melodies: How Classical Turkish Music Soothes Stress and Eases Loneliness (NCT05859893) | Ege University | 2020-06-03 |
| Psychological Distress During COVID-19 Pandemic (NCT05307588) | Beni-Suef University | 2020-06-01 |
| Psychological Effects of the COVID-19 Pandemic on the Hungarian Adult Population (NCT04426266) | Szeged University | 2020-05-01 |
| The Offer of Neurosurgery Care in the Grand Est of France During the Health Crisis Linked to Covid-19 (NCT04701905) | University Hospital, Strasbourg, France | 2020-04-30 |
| Primary Care in AURA for COVID-19 (NCT05124145) | Research on Healthcare Performance Lab U1290 | 2020-04-01 |
| Famotidine in Covid-19 Intensive Care Unit (NCT05122208) | Istanbul Medeniyet University | 2020-03-20 |
| Obesity: an Underappreciate Risk Factor for Severe Form of COVID-19 (NCT05771857) | Mohammed VI University Hospital | 2020-03-01 |
| University Hospital of Ioannina COVID-19 (Coronavirus Disease 2019) Registry (NCT05534074) | University Hospital, Ioannina | 2020-03-01 |
| The Impact of COVID-19 Pandemic on Clinical Presentation and Staging of Gastric Cancer (NCT05130710) | Tehran University of Medical Sciences | 2020-02-25 |
| Staff Absenteeism and Delivery of Healthcare Services During the COVID-19 Pandemic (NCT04521010) | Poznan University of Medical Sciences | 2020-01-01 |
| External Validation of Simplified 4C Mortality Score by Deleting CRP (NCT06354946) | University of Monastir | 2020-01-01 |
| Investigation on the Epidemic Prevention Effect of Using Chinese Medicine During the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Outbreak. (NCT05236309) | Taipei City Hospital | 2020-01-01 |
| The Impact of Covid 19 Pandemic on the Training of General Surgery Residents (NCT05069116) | Iuliu Hatieganu University of Medicine and Pharmacy | 2019-12-01 |
| Coronavirus Disease 2019 (COVID-19) Pandemic on the Oral Hygiene Status of Children (NCT06435390) | Gazi University | 2019-09-01 |
| Ambulance Calls for Substance Use and Alcohol in a Pandemic (ASAP) (NCT04474444) | University of Lincoln | 2019-03-23 |
| The Impact of the Covid-19 Pandemic on Orthopedic Trauma Management (NCT06237023) | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | 2019-03-01 |
| Routine Surgical Procedures During COVID-19 Pandemic: a French Nationwide Cohort Study (NCT05197660) | EPI-PHARE | 2019-01-01 |
| Impact of SARS-Cov2 Pandemic on Severity of Perioperative Complications in Patients Undergoing Appendectomy (NCT05178251) | Central Hospital, Nancy, France | 2018-03-17 |