Testing effectiveness (Phase 2)UnknownNCT05269030What this trial is testingIvermectin Nasal Drops in Post COVID-19 ParosmiaWho this might be right forParosmia Menoufia University 60
Not applicableStudy completedNCT05912881What this trial is testingChemosensory Dysfunction and Recovery in Endoscopic Endonasal Skull Base SurgeryWho this might be right forAnosmiaSkull Base Neoplasms Johns Hopkins University 41
Not applicableLooking for participantsNCT06829706What this trial is testingThe Efficacy of Modified Olfactory Training Method for Patients With Post-viral Olfactory DysfunctionWho this might be right forOlfactory DysfunctionPost Viral Olfactory Dysfunction (PVOD) Peking University Third Hospital 150
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
Large-scale testing (Phase 3)Looking for participantsNCT04390646What this trial is testingGnRH Therapy on Cognition in Down SyndromeWho this might be right forDown SyndromeCognitive DeclineAlzheimer Disease, Early Onset+1 more Nelly Pitteloud 56
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 applicableUnknownNCT05421195What this trial is testingClinical Treatment Research of COVID-19-related Olfactory DysfunctionWho this might be right forOlfactory Dysfunction Eye & ENT Hospital of Fudan University 124
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
Testing effectiveness (Phase 2)Not Yet RecruitingNCT04918953What this trial is testingFactors Influencing the Prognosis of Olfactory Dysfunction After Upper SensationWho this might be right forOutcome Second Affiliated Hospital, School of Medicine, Zhejiang University 90
Not applicableNot Yet RecruitingNCT06991816What this trial is testingThe Brain&Senses StudyWho this might be right forMild Cognitive ImpairmentAlzheimer DiseaseParkinson University of Campania Luigi Vanvitelli 100
Not applicableLooking for participantsNCT06874426What this trial is testingThe Impact of Endoscopic Endonasal Skull Base Surgery on OlfactionWho this might be right forMeningiomaPituitary DiseasePituitary Adenoma+3 more Universitaire Ziekenhuizen KU Leuven 154
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
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 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 completedNCT00090337What this trial is testingAcupuncture or Standard Therapy in Treating Pain and Dysfunction in Patients Who Have Undergone Neck Surgery for Head and Neck CancerWho this might be right forHead and Neck CancerPain Memorial Sloan Kettering Cancer Center 73
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 completedNCT02738671What this trial is testingRelationship Between Diabetes and Cognitive Impairment Based on Olfactory Function Assessment and Functional MRIWho this might be right forDiabetes MellitusCognitive ImpairmentObesity The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School 250
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 applicableUnknownNCT04959747What this trial is testingAcupuncture for Olfactory Dysfunction in Infected COVID-19 PatientsWho this might be right forOlfactory DysfunctionCovid19 Hong Kong Baptist University 20