37 completed, 13 unknown, 12 recruiting, 9 not yet recruiting. 80 Not applicable.
| Phase | Trials | Status |
|---|---|---|
| Not applicable | 80 | Completed 37, Unknown 13, Recruiting 12, Not yet recruiting 9, Terminated 4, Active not recruiting 2, Withdrawn 2, Enrolling by invitation 1 |
Follow Olfaction Disorders: new trials by email Literature Review of Olfaction Disorders trials Research Report on Olfaction Disorders
Tick up to 5 trials to compare them side by side (eligibility, arms, endpoints, adverse events) in a Literature Matrix.
| Trial | Phase | Status | Sponsor | Enrollment | Start | Updated |
|---|---|---|---|---|---|---|
| SniffTrain: Effectiveness of Sniff Training in the Treatment of Post-Viral Anosmia Sniff Training Kits - Post-viral Anosmia, Anosmia | Not applicable | Not yet recruiting | University of Virginia | 204 | 2027-01-05 | 2026-10-05 |
| Effects of Olfactory Stimuli in Virtual Reality Cue Exposure on Craving and Attentional Bias in Alcohol Use Disorder VR-CE - Alcohol Use Disorder | Not applicable | Not yet recruiting | Charite University, Berlin, Germany | 60 | 2026-11-15 | 2026-10-22 |
| Olfactory Transcranial Focused Ultrasound transcranial focused ultrasound (tFUS) - Healthy, Olfaction | Not applicable | Recruiting | Medical University of South Carolina | 28 | 2026-10-01 | 2026-10-06 |
| SENSILINS: Impact of Cephalic Phase Insulin Release Induced by an Environmental Food Odor Stimulus on Glucose Homeostasis According to Insulin Sensitivity Level Pleasant Food Odor Stimulation, Control Environmental Condition - Obesity & Overweight, Insulin Resistance Syndrome | Not applicable | Not yet recruiting | Hospices Civils de Lyon | 20 | 2026-06-01 | 2026-06-10 |
| Slow-SPEED UK: A Double-Blind Randomised Feasibility Trial Slow-SPEED app - Hyposmia, Olfactory Dysfunction | Not applicable | Recruiting | Queen Mary University of London | 110 | 2026-05-27 | 2026-06-29 |
| PANDORA: Evaluation of Platelet-rich Plasma in Non-tumoural Odour Disorders: a Descriptive Pilot Study. Autologous Platelet-Rich Plasma (PRP) Injection - Olfactory Dysfunction, Post-traumatic Olfactory Dysfunction | Not applicable | Not yet recruiting | Hospices Civils de Lyon | 30 | 2026-05-01 | 2026-03-20 |
| Personalized Cooking and Nutrition Guidance and Physical Activities Program to Reduce Muscle Loss in Advanced Cancer Oncology Dietitian's Standard of Care, Personalized Culinary and Nutrition Therapy - Cancer, Sarcopenia | Not applicable | Not yet recruiting | Gali Perel | 200 | 2026-04-01 | 2026-04-02 |
| Intranasal Platelet-Rich Plasma With or Without Topical Insulin for Post-Inflammatory Anosmia Intranasal PRP Plus Topical Insulin, Intranasal PRP Plus Saline (Placebo) - Anosmia, Inflammatory Anosmia | Not applicable | Not yet recruiting | Amin Javer | 20 | 2026-03-30 | 2026-02-03 |
| Feasibility of Integrating Olfactory Stimuli Into Virtual Reality Cue Exposure for Patients With Alcohol Dependence VR Cue-Exposure Including Olfactory Stimuli - Alcohol Dependence | Not applicable | Completed | Charite University, Berlin, Germany | 20 | 2026-03-07 | 2026-10-20 |
| The Effectiveness of Steroid Nasal Drops in the Olfactory Cleft Combined With Olfactory Training for Patients With PIOD Steroid nasal drops combined with olfactory training, Placebo nasal drops combined with olfactory training - Smell Dysfunction | Not applicable | Not yet recruiting | Peking University Third Hospital | 100 | 2026-03-01 | 2026-02-04 |
| Comparing the Olfactory Perception of a Fragrance-Loaded SpECs Over Time Fragrance - Perception, Self | Not applicable | Completed | Royal College of Surgeons in Ireland - Medical University of Bahrain | 10 | 2026-02-01 | 2026-10-28 |
| Efficacy of Non-invasive Neuromodulation Treatments for COVID-19 Sequelae Non invasive neuromodulation therapy, Manual therapy, Placebo with non invasive neuromodulation - Covid-19 Recurrent | Not applicable | Not yet recruiting | Clinica Gema Leon | 104 | 2026-01-01 | 2025-09-18 |
| Cognitive and Immunologic Profiles of Patients With Olfactory Dysfunction After Smell Training Smell Training - Smell Loss, Chronic Rhinosinusitis (CRS) | Not applicable | Recruiting | The Cleveland Clinic | 52 | 2025-12-09 | 2026-07-02 |
| Olfactory Training in Mild Cognitive Impairment Olfactory Memory Training, Visual Memory Training - Mild Cognitive Impairment | Not applicable | Recruiting | Jeffrey Motter | 30 | 2025-08-07 | 2026-09-04 |
| Effects of Isotretinoin on Smell isotretinoin - Smell Dysfunction | Not applicable | Completed | Uşak University | 54 | 2025-06-01 | 2026-07-13 |
| A Clinical Trial to Study the Effects on the Olfaction Capacity of an Individual Undergoing Skull Base Surgeries Using Cautery vs Scalpel . Scalpel, Cautery - Olfaction | Not applicable | Recruiting | All India Institute of Medical Sciences, Jodhpur | 80 | 2025-05-18 | 2026-10-30 |
| Efficacy of Platelet-rich Plasma in Management of Anosmia Platelet rich plasma injection - Anosmia | Not applicable | Not yet recruiting | Sohag University | 100 | 2025-05-01 | 2025-04-16 |
| Scents of Progress: Leveraging a Novel Device for Olfactory Training in Older Adults Sudoku Puzzles, ScentCare (Olfactory Training Device) - Olfactory Dysfunction, Smell Loss | Not applicable | Recruiting | Johns Hopkins University | 60 | 2025-04-15 | 2026-04-13 |
| Treatment of Olfactory Dysfunction Using Vagus Nerve Stimulation Nasal Insert + VNS, Nasal Insert - Hyposmia | Not applicable | Active not recruiting | Karolinska Institutet | 40 | 2025-03-15 | 2025-08-27 |
| Olfactory Biopsies olfactory testing, Odor stimulation, Olfactory biopsy - Alzheimer Disease, Smell Loss | Not applicable | Recruiting | Duke University | 125 | 2025-01-06 | 2026-06-12 |
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Anosmia (66) · COVID-19 (17) · Ageusia (5) · Obesity (3) · Taste Disorders (3) · Alcoholism (2) · Alzheimer Disease (2) · Brain Injuries, Traumatic (2) · Cognitive Dysfunction (2) · Coronavirus Infections (2) · Depression (2) · Dysgeusia (2) · Memory Disorders (2) · Motor Activity (2)
Nervous System Diseases (80) · Pathological Conditions, Signs and Symptoms (80) · Signs and Symptoms (80) · Neurologic Manifestations (79) · Sensation Disorders (79) · Coronaviridae Infections (20) · Infections (20) · Nidovirales Infections (20) · RNA Virus Infections (20) · Respiratory Tract Diseases (20) · Virus Diseases (20) · Coronavirus Infections (18) · Lung Diseases (18) · Pneumonia (18)
Olfactory Training (12) · Oils, Volatile (3) · Sodium Chloride (3) · Adrenal Cortex Hormones (2) · Smell (2) · Aromatherapy (1) · Biopsy (1) · Blood Specimen Collection (1) · Cautery (1) · Diet (1) · Docosahexaenoic Acids (1) · Electroencephalography (1) · Hunger (1) · Injections (1) · Insulin (1)
Hospices Civils de Lyon (3) · Johns Hopkins University (3) · Stanford University (3) · Washington University School of Medicine (3) · Charite University, Berlin, Germany (2) · Karolinska Institutet (2) · Peking University Third Hospital (2) · St. Olavs Hospital (2) · Universitaire Ziekenhuizen KU Leuven (2) · University of Kansas Medical Center (2) · All India Institute of Medical Sciences, Jodhpur (1) · Amin Javer (1) · Assistance Publique - Hôpitaux de Paris (1) · Ataturk University (1) · Beth Israel Deaconess Medical Center (1)
United States (23) · France (12) · Belgium (4) · Brazil (3) · Canada (3) · Germany (3) · Italy (3) · Norway (3) · Turkey (Türkiye) (3) · United Kingdom (3) · China (2) · Spain (2) · Sweden (2) · Austria (1) · Bahrain (1)
Stefan Gutwinski, Prof. Dr. med. (2) · Alastair J Noyce, BMedSci, MBBS, MSc, MRCP, PhD (1) · Amin Javer, MD FRCSCFARS (1) · Amy Zheng, PhD (1) · Beatrice Heim, MD PhD (1) · Bradley Goldstein, MD, PhD (1) · Caroline Huart, MD, PhD (1) · Claudia CF Vasconcelos, PHD (1) · David Rosen, MD (1) · Donald D Beahm, MD (1) · Eric Doucet, PhD (1)
PMID 23798331, PMID 25514489, PMID 26888712, PMID 28877891, PMID 30657649, PMID 32491937, PMID 33386970, PMID 34456675, PMID 35366736, PMID 35373533, PMID 36507615, PMID 36580304, PMID 36701841, PMID 38268678, PMID 39970875, PMID 40278843, PMID 40371997, PMID 40436445, PMID 42448717
2023 (2), P30DK072488 (1), R01AT010896 (1), R01DC021422 (1), R21DC023711 (1), R21MH127479 (1)