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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
Firefighter s Longitudinal Airway and Respiratory Exposome/Multiome Study (FLARES)Chronic Disease, Disease Attributes, Hypersensitivity, Immediate, Hyposmia, Neurologic Manifestations, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Respiratory Hypersensitivity, Sensation Disorders, Signs and Symptoms, anosmia, asthma, bronchial disorder, chronic obstructive pulmonary disease, chronic rhinosinusitis, immune system disorder, lung disorder, nervous system disorder, obstructive lung disease, respiratory system disorderEnrolling by invitationNot stated2026-10-09NCT07867184
Olfactory Function and Model-Based Behavior in People Living With HIV and SUDChemically-Induced Disorders, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, Substance Use Disorders, anosmia, nervous system disorder, psychiatric disorder, substance-related disorderRecruitingNot stated2026-10-09NCT07637669
Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)COVID-19, Coronaviridae Infections, Infections, Neurologic Manifestations, Nidovirales infectious disease, Orthocoronavirinae infectious disease, Paraosmia, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, Rhinosinusitis, Sensation Disorders, Signs and Symptoms, anosmia, depressive disorder, influenza, lung disorder, nasal disorder, nervous system disorder, otorhinolaryngologic disease, paranasal sinus disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, rhinitis, sinusitis, viral infectious disease, viral pneumoniaRecruitingNot stated2026-10-09NCT07149428
Olfactory Transcranial Focused UltrasoundNeurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderRecruitingNot applicable2026-10-06NCT07658365
Impact of Smell Testing on Health OutcomesNeurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderRecruitingPhase 22026-10-06NCT07222891
SniffTrain: Effectiveness of Sniff Training in the Treatment of Post-Viral AnosmiaHyposmia, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderNot yet recruitingNot applicable2026-10-05NCT07857083
Topical Versus Injection PRP for Olfactory DysfunctionHyposmia, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderRecruitingPhase 32026-10-05NCT07151703
Artificial Intelligence-based Parkinson's Disease Risk Assessment (AI-PRA) StudyHyposmia, Neurologic Manifestations, Parasomnias, Parkinson disease, Pathological Conditions, Signs and Symptoms, REM Sleep Parasomnias, REM sleep behavior disorder, Sensation Disorders, Signs and Symptoms, anosmia, basal ganglia disorder, brain disorder, central nervous system disorder, movement disorder, nervous system disorder, neurodegenerative disease, parkinsonian disorder, psychiatric disorder, sleep-wake disorder, synucleinopathyNot yet recruitingNot stated2026-10-02NCT07706829
Sinus Disease in Young Children With Cystic FibrosisCongenital, Hereditary, and Neonatal Diseases and Abnormalities, Digestive System Diseases, Infant, Newborn, Diseases, Neurologic Manifestations, Olfactory Impairment, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, cystic fibrosis, disease, hereditary disease, lung disorder, nervous system disorder, pancreas disorder, respiratory system disorderRecruitingNot stated2026-09-10NCT06191640
Olfactory Training in Mild Cognitive ImpairmentCognition Disorders, Cognitive Dysfunction, Memory Disorders, Mild Cognitive Impairment, Neurobehavioral Manifestations, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, cognitive disorder, nervous system disorder, psychiatric disorderRecruitingNot applicable2026-09-04NCT06825403
In Vivo Imaging of the Olfactory Epithelium Using Confocal Laser EndomicroscopyNeurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderActive, not recruitingEarly phase 12026-09-02NCT07546617
Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT): Open LabelNeurologic Manifestations, Olfactory Impairment, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderRecruitingPhase 22026-08-12NCT07689773
Olfactory Training as a Treatment for Olfactory Dysfunction Post COVID-19COVID-19, Coronaviridae Infections, Hyposmia, Infections, Neurologic Manifestations, Nidovirales infectious disease, Orthocoronavirinae infectious disease, Paraosmia, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, Sensation Disorders, Signs and Symptoms, anosmia, lung disorder, nervous system disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, viral infectious disease, viral pneumoniaRecruitingNot applicable2026-07-31NCT05384561
PPMI Clinical - Establishing a Deeply Phenotyped PD CohortNeurologic Manifestations, Parkinson disease, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, basal ganglia disorder, brain disorder, central nervous system disorder, movement disorder, nervous system disorder, neurodegenerative disease, parkinsonian disorder, synucleinopathyRecruitingNot stated2026-07-27NCT04477785
Mechanisms Underlying Individual Variations of Taste and Smell in ObesityBody Weight, Neurologic Manifestations, Nutritional and Metabolic Diseases, Overweight, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorder, nutritional disorder, obesity disorder, overnutritionRecruitingNot stated2026-07-22NCT04714892
Olfactory Cleft Obstruction and Electrophysiological Field Potentials Predict Olfactory Restoration by Dupilumab in CRSwNP Patients.Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderRecruitingNot stated2026-07-16NCT06892704
Cognitive and Immunologic Profiles of Patients With Olfactory Dysfunction After Smell TrainingNeurologic Manifestations, Pathological Conditions, Anatomical, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nasal cavity polyp, nasal disorder, nervous system disorder, otorhinolaryngologic disease, polyp, respiratory system disorderRecruitingNot applicable2026-07-02NCT07681973
Slow-SPEED UK: A Double-Blind Randomised Feasibility TrialHyposmia, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, nervous system disorderRecruitingNot applicable2026-06-29NCT06600438
Effects of Olfactory Stimuli in Virtual Reality Cue Exposure on Craving and Attentional Bias in Alcohol Use DisorderAlcohol Use Disorder, Chemically-Induced Disorders, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, alcohol-related disorders, anosmia, nervous system disorder, psychiatric disorder, substance-related disorderNot yet recruitingNot applicable2026-06-25NCT07667790
Feasibility of Integrating Olfactory Stimuli Into Virtual Reality Cue Exposure for Patients With Alcohol DependenceChemically-Induced Disorders, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, alcohol-related disorders, anosmia, nervous system disorder, psychiatric disorder, substance-related disorderRecruitingNot applicable2026-06-23NCT07388693
Olfactory Training in Various PopulationsBrain Concussion, Brain Injuries, Traumatic, Craniocerebral Trauma, Head Injuries, Closed, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, Wounds, Nonpenetrating, anosmia, brain disorder, brain injury, central nervous system disorder, injury, nervous system disorder, nervous system injuryEnrolling by invitationNot applicable2026-06-16NCT06115291
Olfactory BiopsiesAlzheimer disease, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, Smell Dysfunction, anosmia, brain disorder, central nervous system disorder, cognitive disorder, dementia, nervous system disorder, neurodegenerative disease, psychiatric disorder, tauopathyRecruitingNot applicable2026-06-12NCT07021040
SENSILINS: Impact of Cephalic Phase Insulin Release Induced by an Environmental Food Odor Stimulus on Glucose Homeostasis According to Insulin Sensitivity LevelBody Weight, Insulin Resistance, Neurologic Manifestations, Nutritional and Metabolic Diseases, Overweight, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, glucose metabolism disease, hyperinsulinism, metabolic disease, nervous system disorder, nutritional disorder, obesity disorder, overnutritionNot yet recruitingNot applicable2026-06-10NCT07638111
Dysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular InvestigationCOVID-19, Coronaviridae Infections, Infections, Neurologic Manifestations, Nidovirales infectious disease, Orthocoronavirinae infectious disease, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, Sensation Disorders, Signs and Symptoms, anosmia, lung disorder, nervous system disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, viral infectious disease, viral pneumoniaRecruitingNot applicable2026-05-06NCT06482138
The Brain&Senses StudyAlzheimer disease, Cognition Disorders, Cognitive Dysfunction, Ear Diseases, Mild Cognitive Impairment, Neurologic Manifestations, Pathological Conditions, Signs and Symptoms, Sensation Disorders, Signs and Symptoms, anosmia, brain disorder, central nervous system disorder, cognitive disorder, dementia, hearing disorder, hearing loss disorder, nervous system disorder, neurodegenerative disease, otorhinolaryngologic disease, psychiatric disorder, tauopathyActive, not recruitingNot stated2026-04-23NCT06991816