Testing effectiveness (Phase 2)Study completedNCT04401202What this trial is testingNigella Sativa in COVID-19Who this might be right forCOVID-19SARS-CoV-2 King Abdulaziz University 183
Testing effectiveness (Phase 2)Ended earlyNCT04405102What this trial is testingCOVID-19 Ozanimod Intervention StudyWho this might be right forCOVID-19 Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec 43
Testing effectiveness (Phase 2)UnknownNCT04510402What this trial is testingPhase I/II Trial of Povidone-iodine (PVP-I) Nasal Swab For Preventing COVID-19 Spread in Healthy SubjectsWho this might be right forCovid19Povidone Iodine Adverse Reaction Brigham and Women's Hospital 50
Not applicableStudy completedNCT04530539What this trial is testingThe Effect of Melatonin and Vitamin C on COVID-19Who this might be right forCovid19SARS-CoV Infection Lancaster General Hospital 122
Testing effectiveness (Phase 2)Study completedNCT04311177What this trial is testingLosartan for Patients With COVID-19 Not Requiring HospitalizationWho this might be right forCorona Virus InfectionAcute Respiratory Distress SyndromeSARS-CoV Infection University of Minnesota 117
Not applicableUnknownNCT05455892What this trial is testingMortality, Gravity Predictive Factors and Clinical Evolution of Older COVID-19 Patients in Short Geriatric Services.Who this might be right forCOVID-19 Hospices Civils de Lyon 450
Testing effectiveness (Phase 2)Study completedNCT04347239What this trial is testingEvaluate the Efficacy & Safety of Leronlimab in Patients With Severe or Critical COVID-19Who this might be right forCoronavirus Disease 2019 CytoDyn, Inc. 484
Not applicableStudy completedNCT05418257What this trial is testingA Study on Telemedicine Applied to Actual Outpatient Clinic for EpilepsyWho this might be right forEpilepsy Samsung Medical Center 307
Not applicableStudy completedNCT04512300What this trial is testingParental Attitude Toward Children Dental Treatment During COVID-19 PandemicWho this might be right forDental Diseases Cairo University 267
Not applicableUnknownNCT04865900What this trial is testingPrevalence of Perimyocarditis After Covid-19 VaccineWho this might be right forPerimyocarditisCovid19 Hillel Yaffe Medical Center 500
Post-approval studies (Phase 4)UnknownNCT04468139What this trial is testingThe Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19Who this might be right forCovid-19 Ministry of Health, Saudi Arabia 60
Not applicableUnknownNCT05753228What this trial is testingIn Vivo Investigation on Mitochondrial Dysfunction in Post-COVID Fatigue and Cancer Fatigue.Who this might be right forMitochondrial DysfunctionCOVID-19Fatigue National University Hospital, Singapore 90
Testing effectiveness (Phase 2)Ended earlyNCT04771000What this trial is testingMicro Dose Ambrisentan in Hospitalized Patients With Respiratory Insufficiency Due to COVID-19Who this might be right forCovid19Hypoxemia Noorik Biopharmaceuticals AG 88
Not applicableStudy completedNCT06135207What this trial is testingThe Correlation Between COVID-19 and Dysphagia in Adults With Swallowing DisordersWho this might be right forCOVID-19Dysphagia Bezmialem Vakif University 75
Not applicableStudy completedNCT05465837What this trial is testingComparison Between Early and Late Tracheostomy in Non-Covid and CovidWho this might be right forNon-CovidCOVID-19 Sultan Qaboos University 156
Not applicableActive Not RecruitingNCT06651645What this trial is testingPre- vs Post-Pandemic Risk-adjusted Survival Rates in the US HospitalsWho this might be right forIn-hospital MortalityNon-COVID DeathsSurge National Institutes of Health Clinical Center (CC) 30,000,000
Not applicableStudy completedNCT06974045What this trial is testingImpact of COVID-19 Pandemic on Single-stage Laparoscopic Cholecystectomy and Laparoscopic Common Bile Duct Exploration ServiceWho this might be right forGallstone Imperial College London 237
Not applicableActive Not RecruitingNCT06223945What this trial is testingThrombohemorrhagic Complications of COVID-19Who this might be right forCOVID-19 (Coronavirus Disease 2019) Volgograd State Medical University 1
Not applicableStudy completedNCT07184372What this trial is testingRadiofrequency in Patients Post Covid 19 With Respiratory Sequelae.Who this might be right forCOVID-19Respiratory DiseaseDyspnea+1 more Clinica Gema Leon 96
Large-scale testing (Phase 3)UnknownNCT04463264What this trial is testingEfficacy and Safety Study of Nitazoxanide (NTX) in the Treatment of Patients With SARS-CoV-2 Virus Infection (COVID-19)Who this might be right forCOVID-19 Laboratorios Roemmers S.A.I.C.F. 135