Post-approval studies (Phase 4)Study completedNCT04853836What this trial is testingOlfactory Disfunction and Co-ultraPEALutWho this might be right forAnosmiaCovid19Hyposmia+2 more University Of Perugia 200
Not applicableNot Yet RecruitingNCT07473830What this trial is testingPANDORA: Evaluation of Platelet-rich Plasma in Non-tumoural Odour Disorders: a Descriptive Pilot Study.Who this might be right forOlfactory DysfunctionPost-traumatic Olfactory DysfunctionAge-related Degenerative Olfactory Dysfunction Hospices Civils de Lyon 30
Not applicableStudy completedNCT04532632What this trial is testingTaste and Smell Impairment in Critically Ill COVID-19 PatientsWho this might be right forSmell DisorderTaste DisordersCoronavirus Infection Pinar Ay Sayin 40
Not applicableStudy completedNCT05421221What this trial is testingOlfactory Training in COVID-19 Associated Loss of SmellWho this might be right forCOVID-19Hyposmia Medical University Innsbruck 70
Not applicableStudy completedNCT04406584What this trial is testingIntranasal Injection of PRP Versus Saline for Treatment of Olfactory DysfunctionWho this might be right forOlfactory DisorderOlfaction DisordersOlfactory Nerve Injuries+4 more Stanford University 30
Testing effectiveness (Phase 2)Study completedNCT03990766What this trial is testingSmell Changes & Efficacy of Nasal TheophyllineWho this might be right forOlfactory DisorderAnosmiaViral Infection+2 more Washington University School of Medicine 27
Not applicableStudy completedNCT02985515What this trial is testingSteroid Nasal Irrigation for Flavor Evaluation and Detection StudyWho this might be right forOlfactory Disorder Washington University School of Medicine 51
Early research (Phase 1)WithdrawnNCT06498687What this trial is testingTheophylline Nasal Spray for PD-Related Hyposmia and AnosmiaWho this might be right forHyposmiaAnosmia University of Nebraska
Not applicableActive Not RecruitingNCT06817499What this trial is testingTreatment of Olfactory Dysfunction Using Vagus Nerve StimulationWho this might be right forHyposmia Karolinska Institutet 40
Testing effectiveness (Phase 2)Study completedNCT05184192What this trial is testingEfficacy of Gabapentin for Post-Covid-19 Olfactory DysfunctionWho this might be right forCOVID-19Olfactory DisorderAnosmia+2 more Washington University School of Medicine 68
Large-scale testing (Phase 3)Study completedNCT05461365What this trial is testingIntranasal Insulin for COVID-19-related Smell LossWho this might be right forAnosmiaSmell LossParaosmia+2 more Universidad Panamericana 27
Not applicableNot Yet RecruitingNCT07706829What this trial is testingArtificial Intelligence-based Parkinson's Disease Risk Assessment (AI-PRA) StudyWho this might be right forParkinson Disease (PD)REM Sleep Behavior Disorder (iRBD)Neurogenic Orthostatic Hypotension+1 more Queen Mary University of London 60
Not applicableWithdrawnNCT04696601What this trial is testingRapid Screening for Olfactory Disorders in Covid-19 InfectionWho this might be right forOlfaction DisordersCOVID-19 Testing Centre Hospitalier Universitaire de Nice
Not applicableLooking for participantsNCT06733636What this trial is testingScents of Progress: Leveraging a Novel Device for Olfactory Training in Older AdultsWho this might be right forOlfactory DysfunctionSmell LossAnosmia+1 more Johns Hopkins University 60
Post-approval studies (Phase 4)WithdrawnNCT00603785What this trial is testingEffects of Anti-IgE Antibody Omalizumab on Patients With Chronic SinusitisWho this might be right forChronic Sinusitis University of California, San Francisco
Not applicableActive Not RecruitingNCT07122037What this trial is testingMechanical and Sensorial Training in the Olfactive Rehabilitation of Patients With Total LaryngectomyWho this might be right forCognitive AgingHyposmiaTotal Laryngectomy University Hospital of Mont-Godinne 16
Not applicableStudy completedNCT04710394What this trial is testingVisual-OLfactory Training in Participants With COVID-19 Resultant Loss of SmellWho this might be right forAnosmiaCovid19Ageusia+4 more Washington University School of Medicine 240
Very early researchStudy completedNCT02481609What this trial is testingNAC Trial for AnosmiaWho this might be right forAnosmia University of Miami 29
Not applicableLooking for participantsNCT06600438What this trial is testingSlow-SPEED UK: A Double-Blind Randomised Feasibility TrialWho this might be right forHyposmiaOlfactory DysfunctionAnosmia Queen Mary University of London 110
Not applicableLooking for participantsNCT05740683What this trial is testingAlpha-synuclein Rt-quic and Neurologic Symptoms in Persons With idiOpathic anosMiAWho this might be right forIdiopathic AnosmiaIdiopathic HyposmiaIdiopathic Olfactory Dysfunction Danish Dementia Research Centre 100