Post-approval studies (Phase 4)Study completedNCT04296643What this trial is testingMedical Masks vs N95 Respirators for COVID-19Who this might be right forCoronavirusN95Medical Mask McMaster University 1,009
Not applicableUnknownNCT05036941What this trial is testingA Trial of Two Mask Systems in Preventing SARS CoV-2 in Healthcare Workers (HCW)Who this might be right forSARS CoV-2 InfectionInfluenza -Like Illness Ascend Performance Materials 1,600
Not applicableStudy completedNCT04416919What this trial is testingAssessment of N-95 Facemask for Use in COVID-19 Pandemic in Case of Shortage of Personal Protective EquipmentWho this might be right forCoronavirus InfectionDisease Prevention University of Oklahoma 20
Not applicableStudy completedNCT06053502What this trial is testingRespirator and Breathing CompartmentsWho this might be right forFace Mask SqueezeRespiratory Complication University of South Bohemia 21
Not applicableStudy completedNCT03888898What this trial is testingJust-in-time Elastomeric Training and Fit Testing (JET FIT)Who this might be right forInfection Centers for Disease Control and Prevention 300
Not applicableStudy completedNCT04854187What this trial is testingThe Effect of Personal Protective Aids on Hypertension and Diabetes in People Exposed to High Levels of Air PollutionWho this might be right forPollution; ExposureHTNDiabetes Mellitus Medstar Health Research Institute 160
Not applicableStudy completedNCT03079843What this trial is testingParticulate Matter, Blood Pressure, and the Sympathetic Nervous SystemWho this might be right forAir Pollution University of Michigan 50
Not applicableStudy completedNCT02487147What this trial is testingEvaluation of Free Air Portable Air Powered RespiratorWho this might be right forInfluenza Wake Forest University Health Sciences 58
Not applicableLooking for participantsNCT07404956What this trial is testingTHE EFFECT OF SURGICAL MASK AND N95 MASK USE ON SURGICAL SMOKE IN OPERATING ROOM NURSESWho this might be right forSurgical Smoke ExposureOccupational Exposure to Surgical SmokeHeadache+10 more Bartın Unıversity 38
Not applicableEnded earlyNCT04761679What this trial is testingNasal Bridge Pressure Injury PreventionWho this might be right forPressure Ulcer of SkinPressure Injury Columbia University 12
Not applicableWithdrawnNCT06570161What this trial is testingAssessment of Fit of Novel N95 Style Transparent Face MasksWho this might be right forRespiratory DiseaseInfection, CoronavirusRespiratory Tract Infections Brigham and Women's Hospital
Not applicableStudy completedNCT05950256What this trial is testingPhysiological Impact of Surgical Mask and N95 Mask on Obese Operating RoomWho this might be right forObesity Qilu Hospital of Shandong University 20
Not applicableStudy completedNCT07032740What this trial is testingRespiratory Pattern Change in Runners by Respiratory Tract Restriction Using a RespiratorWho this might be right forBreathing Pattern University of South Bohemia 20
Not applicableStudy completedNCT05150613What this trial is testingImpact of Different Face Masks on Maximal and Submaximal Performance Testing During COVID-19Who this might be right forHealthy Volunteers Riphah International University 62
Not applicableStudy completedNCT04800848What this trial is testingEffects of the Face Mask on Physical Fitness in ChildrenWho this might be right forPhysical FitnessHealthChildhood ALL+3 more University of Oviedo 165
Not applicableStudy completedNCT04415879What this trial is testingEffects of a N95 Respirator vs Cloth Mask on Exercise Capacity During Treadmill Exercise.Who this might be right forCOVID-19 The Cleveland Clinic 20
Not applicableStudy completedNCT04802109What this trial is testingThe Rescuer Fatigue During Cardiopulmonary Resuscitation in Manikin by Using Personal Protective Equipment.Who this might be right forCardiac Arrest An-Nan Hospital, China Medical University 40
Not applicableStudy completedNCT04826809What this trial is testingNew Reusable Mask Design With Superior Filtration and FitWho this might be right forCovid19TuberculosisRespiratory Viral Infection Mayo Clinic 41
Not applicableStudy completedNCT05148793What this trial is testingN95 Reuse During COVID-19Who this might be right forEmergency MedicineFrontline ProvidersHealthcare Worker University of California, San Francisco 412
Not applicableStudy completedNCT00173017What this trial is testingThe Physiological Impact of N95 Masks on Medical StaffWho this might be right forHypoxemiaHypercapnia National Taiwan University Hospital 20