Not applicableUnknownNCT04445597What this trial is testingANalyzing Olfactory Dysfunction Mechanisms In COVID-19Who this might be right forSARS-CoV-2 Universitaire Ziekenhuizen KU Leuven 150
Large-scale testing (Phase 3)Study completedNCT05226546What this trial is testingEffectiveness and Safety of Platelet Rich Plasma (PRP) on Persistent Olfactory Dysfunction Related to COVID-19Who this might be right forAnosmiaCOVID-19 Centre Hospitalier Universitaire Saint Pierre 56
Not applicableStudy completedNCT05019014What this trial is testingOlfactory Deficits in Neurologic DiseaseWho this might be right forAlzheimer DiseaseTraumatic Brain InjuryAmyotrophic Lateral Sclerosis+3 more Massachusetts General Hospital 201
Not applicableLooking for participantsNCT05539560What this trial is testingThe Effect of Olfactory Training in Patients With COVID-19 Induced Olfactory DysfunctionWho this might be right forCOVID-19 Ditte Gertz Mogensen 65
Not applicableStudy completedNCT07424300What this trial is testingOlfactory Function and Oral Malodor in Periodontitis Before and After Periodontal TherapyWho this might be right forPeriodontitisOlfactory DysfunctionHalitosis Batman University 101
Not applicableStudy completedNCT07326319What this trial is testingEffect of Periodontal Treatment on Tongue Coating and Smell FunctionWho this might be right forPeriodontitisTongue CoatingOlfactory Dysfunction Batman University 108
Not applicableStudy completedNCT05220241What this trial is testingInvestigation of the Persistence of SARS-CoV-2 in the Olfactory Mucosa of Patients With Prolonged Symptoms of COVID-19Who this might be right forSARS-CoV-2 InfectionCognitive Disorder Fondation Ophtalmologique Adolphe de Rothschild 51
Large-scale testing (Phase 3)UnknownNCT06290219What this trial is testingThe Effect of Platelet-rich Plasma Nasal Injection in the Treatment of Traumatic Olfactory DysfunctionWho this might be right forTraumatic Olfactory Nerve Injury With Anosmia (Diagnosis)Effect of Drug Taichung Veterans General Hospital 80
Not applicableUnknownNCT01830998What this trial is testingEarly Detection of Cognitive Dysfunction in DiabetesWho this might be right forDementiaDMMCI Wuhan General Hospital of Guangzhou Military Command 400
Not applicableStudy completedNCT05148832What this trial is testingAdministration of Systemic Corticosteroids and the Recovery of Gustatory Functions in Patients With COVID-19Who this might be right forCOVID-19Olfactory Dysfunction Fayoum University 80
Not applicableUnknownNCT02720653What this trial is testingDeterminants of Olfactory Dysfunction in Chronic RhinosinusitisWho this might be right forChronic RhinosinusitisOlfactory Dysfunction Oregon Health and Science University 418
Not applicableUnknownNCT04764981What this trial is testingOlfactory Training for Olfactory Dysfunction After Coronavirus Disease - 19 (COVID-19)Who this might be right forCovid19SARS-CoV InfectionOlfactory Disorder+1 more Universidade do Estado do Pará 350
Not applicableLooking for participantsNCT05881239What this trial is testingDigital Accessible Remote Olfactory Mediated Health Assessments for Preclinical ADWho this might be right forSubjective Cognitive ConcernsMild Cognitive ImpairmentMild Behavioral Impairment+1 more Massachusetts General Hospital 250
Not applicableStudy completedNCT06142565What this trial is testingTreatment of Postviral Olfactory DysfunctionWho this might be right forHyposmia Karolinska Institutet 120
Not applicableStudy completedNCT05225220What this trial is testingMultimodal Investigation of Post COVID-19 in FemalesWho this might be right forPost COVID-19Cognitive Dysfunction Casa Colina Hospital and Centers for Healthcare 25
Not applicableUnknownNCT03961659What this trial is testingEffects of Liraglutid, Dapagliflozin and Acarbose on the Cognitive Function, Olfactory Function, and Odor-induced Brain Activation in Overweight/Obese T2DM Patients Controlled Inadequately With Metformin Monotherapy.Who this might be right forType 2 Diabetes MellitusObesityCognitive Impairment The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School 87
Not applicableStudy completedNCT07571382What this trial is testingPost-Covid-19 Patients Follow-up StudyWho this might be right forSmell DysfunctionTaste DysfunctionTrigeminal Dysfunction+1 more University of Oslo 176
Not applicableUnknownNCT05448898What this trial is testingThe Efficacy of Traditional Chinese Medicine in Olfactory DysfunctionWho this might be right forOlfactory Disorder Eye & ENT Hospital of Fudan University 278
Testing effectiveness (Phase 2)Study completedNCT05445921What this trial is testingStellate Ganglion Block for COVID-19-Induced Olfactory DysfunctionWho this might be right forAnosmiaHyposmiaParosmia+1 more Washington University School of Medicine 20
Not applicableStudy completedNCT06085703What this trial is testingEffects of Henagliflozin on the Brain Function in T2DM Patients With Mild Cognitive Impairment: a Randomized, Parallel Controlled Clinical TrialWho this might be right forType 2 Diabetes MellitusMild Cognitive Impairment The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School 24