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 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 applicableEnded earlyNCT06789952What this trial is testingMindfulness-Based Stress Reduction Versus Lifestyle Intervention for Long-Haul Covid-19 ParosmiaWho this might be right forCOVID-19 Washington University School of Medicine 41
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)Study completedNCT04495816What this trial is testingCOVID-19 Anosmia StudyWho this might be right forAnosmiaCovid19 Icahn School of Medicine at Mount Sinai 139
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
Large-scale testing (Phase 3)UnknownNCT06055270What this trial is testingStellate Ganglion Block With Lidocaine for the Treatment of COVID-19-Induced ParosmiaWho this might be right forParosmia London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's 44
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
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 applicableEnrolling By InvitationNCT07149428What this trial is testingLongitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)Who this might be right forRespiratory Tract InfectionSmell DisorderInfluenza+7 more National Institute on Deafness and Other Communication Disorders (NIDCD) 80
Not applicableLooking for participantsNCT06283745What this trial is testingRandomized Clinical Trial of Intranasal Injection of Platelet-Rich Plasma for Treatment of ParosmiaWho this might be right forParaosmia Stanford University 40
Not applicableNot Yet RecruitingNCT07819162What this trial is testingNeural Dissimilarity in Patients With Chronic Rhinosinusitis With Nasal Polyps Treated With BiologicsWho this might be right forOlfactory DysfunctionChronic Rhinosinusitis With Nasal Polyps (CRSwNP)Functional Magnetic Resonance Imaging (fMRI) Rigshospitalet, Denmark 40
Post-approval studies (Phase 4)Study completedNCT01641172What this trial is testingTaste, Smell and Chemotherapy (TASTY)Who this might be right forTesticular Cancer University Medical Center Groningen 140
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
Testing effectiveness (Phase 2)Ended earlyNCT04964414What this trial is testingTreatment of Pediatric Patients That Lost Sense of Smell Due to COVID-19Who this might be right forDysosmiaAnosmiaCovid19 Amanda Stapleton 20
Not applicableStudy completedNCT07498062What this trial is testingMultimodal Chewing Gum Flavour Training to Aid Flavour Perception Recovery - a Pilot Study.Who this might be right forAnosmiaParosmiaPhantosmia+2 more University of Nottingham 30
Testing effectiveness (Phase 2)UnknownNCT05269017What this trial is testingVitamin D Nasal Drops in Post COVID-19 ParosmiaWho this might be right forParosmia Menoufia University 60
Not applicableStudy completedNCT06449157What this trial is testingChocolate or Sevoflurane: Use of Parosmia to Facilitate More Cooperative Inhalation Inductions in ChildrenWho this might be right forAnesthesiaPediatrics Johns Hopkins University 50
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