Very early researchStudy completedNCT02481609What this trial is testingNAC Trial for AnosmiaWho this might be right forAnosmia University of Miami 29
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 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
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
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
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
Large-scale testing (Phase 3)Looking for participantsNCT05855369What this trial is testingStudy of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)Who this might be right forSmell DysfunctionOlfactory DisorderLong COVID Medical University of South Carolina 145
Not applicableNot Yet RecruitingNCT06600438What this trial is testingSlow-SPEED UK: A Double-Blind Randomised Feasibility TrialWho this might be right forHyposmiaOlfactory DysfunctionAnosmia Queen Mary University of London 110
Large-scale testing (Phase 3)Study completedNCT04361474What this trial is testingTrial Evaluating the Efficacy of Local Budesonide Therapy in the Management of Hyposmia in COVID-19 Patients Without Signs of SeverityWho this might be right forBudesonideOlfaction DisordersSARS-CoV-2+1 more Fondation Ophtalmologique Adolphe de Rothschild 120
Not applicableLooking for participantsNCT05384561What this trial is testingOlfactory Training As a Treatment for Olfactory Dysfunction Post COVID-19Who this might be right forHyposmiaCOVID-19Parosmia+2 more Université du Québec à Trois-Rivières 70
Not applicableLooking for participantsNCT06482138What this trial is testingDysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular InvestigationWho this might be right forCovid19Olfactory Dysfunction Universitaire Ziekenhuizen KU Leuven 240
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 completedNCT05152030What this trial is testingThe Clinical Applicability of the 'TIB' Olfactory Test DeviceWho this might be right forAnosmiaHyposmia Taichung Veterans General Hospital 180
Not applicableStudy completedNCT06142565What this trial is testingTreatment of Postviral Olfactory DysfunctionWho this might be right forHyposmia Karolinska Institutet 120
Testing effectiveness (Phase 2)Study completedNCT04789499What this trial is testingSmell in Covid-19 and Efficacy of Nasal TheophyllineWho this might be right forCovid19AnosmiaOlfactory Disorder+5 more Washington University School of Medicine 51
Not applicableActive Not RecruitingNCT06817499What this trial is testingTreatment of Olfactory Dysfunction Using Vagus Nerve StimulationWho this might be right forHyposmia Karolinska Institutet 40
Post-approval studies (Phase 4)WithdrawnNCT04374474What this trial is testingAnosmia Rehabilitation in Patients Post Coronavirus Disease (COVID 19)Who this might be right forOlfactory Disorder London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
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 applicableStudy completedNCT04661800What this trial is testingStudy of Olfactory Disorders in Patients With Cardiac AmyloidosisWho this might be right forAmyloidosisCardiac AmyloidosisOlfactory Loss+4 more Assistance Publique - Hôpitaux de Paris 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