11 completed, 8 unknown, 7 recruiting, 2 not yet recruiting. 23 Not applicable, 5 Phase 2, 3 Phase 3, 3 Phase 4, 1 Phase 1.
Follow this drug Literature Review of Olfactory Training trials Research Report on Olfactory Training
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 |
|---|---|---|---|---|---|---|
| Boosting Olfactory and Sensory Training Study (BOOST) Conventional Smell Training Group, Scented Marker Group - HIV (Human Immunodeficiency Virus) | Phase 2 | Recruiting | University of Alabama at Birmingham | 80 | 2026-05-02 | 2026-06-11 |
| 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 |
| 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 |
| The TASTY-training Study Taste and smell training - Oncological Patients, Tyrosine Kinase Inhibitor | Not applicable | Recruiting | University Medical Center Groningen | 90 | 2025-11-10 | 2026-07-15 |
| Topical Versus Injection PRP for Olfactory Dysfunction Intranasal Injection of Autologous PRP, Carrier-Assisted Topical Application of Autologous PRP, platelet-rich plasma - Olfactory Dysfunction, Anosmia | Phase 3 | Recruiting | Taipei Veterans General Hospital, Taiwan | 60 | 2025-09-11 | 2026-10-05 |
| The Efficacy of Olfactory Training Intervention on Olfactory and Other Non-motor Symptoms in PD Olfactory training - Parkinson Disease, Olfactory Disorder | Not applicable | Unknown | Anhui Medical University | 40 | 2024-09-25 | 2024-09-23 |
| Effects of Olfactory Training on the Brain Function in T2DM Patients With Mild Cognitive Impairment Olfactory Training - Type 2 Diabetes Mellitus, Mild Cognitive Impairment | Not applicable | Completed | The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School | 60 | 2024-01-01 | 2025-07-11 |
| Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID) Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO) - Smell Dysfunction, Olfactory Disorder | Phase 2 / Phase 3 | Recruiting | Medical University of South Carolina | 145 | 2023-10-02 | 2026-04-02 |
| Olfactory Performance in Culinary Arts Students Olfactory training - Loss of Smell, Olfactory Disorder | Phase 4 | Unknown | Leigh Sowerby | 120 | 2023-09-25 | 2023-10-06 |
| Effect of Preoperative Olfactory Training on Postoperative Delirium in the Elderly Undergoing Orthopedic Surgeries olfactory training - Preoperative Olfactory Training, Postoperative Delirium | Not applicable | Unknown | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | 450 | 2023-07-01 | 2023-06-18 |
| Chemosensory Dysfunction and Recovery in Endoscopic Endonasal Skull Base Surgery Olfactory training, Placebo training - Anosmia, Skull Base Neoplasms | Not applicable | Completed | Johns Hopkins University | 41 | 2023-02-01 | 2026-02-18 |
| The Efficacy of Traditional Chinese Medicine in Olfactory Dysfunction Traditional Chinese Medicine CU Xiu Tang, Olfactory Training - Olfactory Disorder | Not applicable | Unknown | Eye & ENT Hospital of Fudan University | 278 | 2022-07-15 | 2022-07-11 |
| Olfactory Training on Smell Dysfunction Patients in HK Olfactory Training, Control - Olfaction Disorders, Smell Disorders | Not applicable | Recruiting | Pamela Youde Nethersole Eastern Hospital | 80 | 2022-07-01 | 2025-06-03 |
| The Effect of Olfactory Training in Patients With COVID-19 Induced Olfactory Dysfunction Olfactory training with essential oils, Olfactory training with fragrance-free oils - COVID-19 | Not applicable | Unknown | Ditte Gertz Mogensen | 65 | 2022-06-29 | 2024-09-23 |
| Clinical Treatment Research of COVID-19-related Olfactory Dysfunction corticosteroids therapy, Olfactory training - Olfactory Dysfunction | Not applicable | Unknown | Eye & ENT Hospital of Fudan University | 124 | 2022-06-17 | 2022-06-22 |
| Olfactory Training as a Treatment for Olfactory Dysfunction Post COVID-19 Smell training - Hyposmia, COVID-19 | Not applicable | Recruiting | Université du Québec à Trois-Rivières | 70 | 2022-05-31 | 2026-07-31 |
| Efficacy and Safety of Phototherapy in the Treatment of Loss of Smell Post Acute Infection of Coronavirus 19 Phototherapy, OT+Corticosteroids - Smell Disorders | Not applicable | Unknown | Respiralab | 40 | 2022-04-01 | 2022-01-04 |
| REEDUCATION OF OLFACTORY DISORDERS AFTER A CEREBRAL VASCULAR ACCIDENT IN ADULTS olfactory rehabilitation - Adult With Stroke and Olfaction's Complaint | Not applicable | Terminated | University Hospital, Caen | 3 | 2022-01-11 | 2025-07-25 |
| Acupuncture Therapy for COVID-Related Olfactory Loss Acupuncture Therapy, Budesonide, Olfactory Training - Olfactory Dysfunction, COVID-19 | Not applicable | Completed | Mayo Clinic | 30 | 2021-12-07 | 2024-03-12 |
| Physical Activity and Smell Trainings to Help Individuals With Coronavirus Disease (COVID-19) Recover From Persistent Smell and Taste Impairments - A Pilot Study Physical activity, Smell training - Covid19 | Not applicable | Unknown | Université de Montréal | 75 | 2021-10-25 | 2021-11-17 |
Showing 20 of 32. Sign in to see all of them.
Anosmia (17) · COVID-19 (10) · Olfaction Disorders (8) · Acquired Immunodeficiency Syndrome (1) · Ageusia (1) · Brain Injuries, Traumatic (1) · Cognitive Dysfunction (1) · Coronavirus Infections (1) · Diabetes Mellitus, Type 2 (1) · Emergence Delirium (1) · Motor Activity (1) · Nasal Polyps (1) · Parkinson Disease (1) · Post-Acute COVID-19 Syndrome (1) · Rhinitis (1)
Eye & ENT Hospital of Fudan University (2) · Taichung Veterans General Hospital (2) · Washington University School of Medicine (2) · Amanda Stapleton (1) · Anhui Medical University (1) · Centre Hospitalier Universitaire Saint Pierre (1) · Cristina Gomez Calero (1) · Ditte Gertz Mogensen (1) · Emory University (1) · Johns Hopkins University (1) · Leigh Sowerby (1) · London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's (1) · Mayo Clinic (1) · Medical University of South Carolina (1) · Pamela Youde Nethersole Eastern Hospital (1)
United States (8) · China (6) · Canada (4) · Taiwan (3) · Belgium (1) · Denmark (1) · Ecuador (1) · France (1) · Hong Kong (1) · Netherlands (1) · Norway (1) · Spain (1) · United Kingdom (1)
Hongmeng Yu, Dr (2) · Amanda L Stapleton, MD (1) · J. J.A. de Haan, MD, PhD (1) · Janalee Stokken, MD (1) · Jay F Piccirillo, MD (1) · Jay F. Piccirillo, M.D., FACS (1) · Johannes A Frasnelli, PhD (1) · Kai Chuen Fergus Wong, FRCSEd(ORL) (1) · Leigh Sowerby, MD, FRCSC (1) · Manuel I Cherrez Ojeda, MD. MsC. (1) · Matt Lechner, MD FRCS (1) · Mihaela Horoi, PhD (1) · Mohamad Chaaban, MD (1) · Nicholas Rowan, MD (1) · Per Ole Iversen, PhD (1)
PMID 16863045, PMID 29500313, PMID 30676359, PMID 31221697, PMID 31259847, PMID 35904632, PMID 36406043, PMID 36580304, PMID 36725781, PMID 40371997
R01DC021179 (1)