3 completed, 3 recruiting, 2 unknown, 1 terminated. 6 Not applicable, 2 Phase 2, 2 Phase 4, 1 Phase 1.
| Phase | Trials | Status |
|---|---|---|
| Not applicable | 6 | Completed 3, Recruiting 2, Unknown 1 |
| Phase 2 | 2 | Recruiting 1, Terminated 1 |
| Phase 4 | 2 | Unknown 1, Withdrawn 1 |
| Phase 1 | 1 | Terminated 1 |
Follow Smell Training: new trials by email Literature Review of Smell Training trials Research Report on Smell 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 |
| 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 Performance in Culinary Arts Students Olfactory training - Loss of Smell, Olfactory Disorder | Phase 4 | Unknown | Leigh Sowerby | 120 | 2023-09-25 | 2023-10-06 |
| 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 |
| 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 |
| Treatment of Pediatric Patients That Lost Sense of Smell Due to COVID-19 Smell Retraining, Budesonide - Dysosmia, Anosmia | Phase 1 / Phase 2 | Terminated | Amanda Stapleton | 20 | 2021-09-30 | 2024-06-13 |
| Post-Covid-19 Patients Follow-up Study Smell training - Smell Dysfunction, Taste Dysfunction | Not applicable | Completed | University of Oslo | 176 | 2021-04-01 | 2026-05-06 |
| Visual-OLfactory Training in Participants With COVID-19 Resultant Loss of Smell Smell Training - Anosmia, Covid19 | Not applicable | Completed | Washington University School of Medicine | 240 | 2021-01-11 | 2022-06-21 |
| Anosmia Rehabilitation in Patients Post Coronavirus Disease (COVID 19) Olfactory retraining, corticosteroid nasal irrigation, smell household Items - Olfactory Disorder | Phase 4 | Withdrawn | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | 2021-01-10 | 2025-08-01 | |
| Steroid Nasal Irrigation for Flavor Evaluation and Detection Study Smell training - Olfactory Disorder | Not applicable | Completed | Washington University School of Medicine | 51 | 2016-09-28 | 2022-11-04 |
Anosmia (8) · COVID-19 (5) · Olfaction Disorders (3) · Acquired Immunodeficiency Syndrome (1) · Ageusia (1) · Motor Activity (1) · Nasal Polyps (1) · Sialorrhea (1) · Taste Disorders (1)
Washington University School of Medicine (2) · Amanda Stapleton (1) · Leigh Sowerby (1) · London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's (1) · The Cleveland Clinic (1) · University of Alabama at Birmingham (1) · University of Oslo (1) · Université de Montréal (1) · Université du Québec à Trois-Rivières (1)
United States (5) · Canada (4) · Norway (1)
Amanda L Stapleton, MD (1) · Jay F Piccirillo, MD (1) · Jay F. Piccirillo, M.D., FACS (1) · Johannes A Frasnelli, PhD (1) · Leigh Sowerby, MD, FRCSC (1) · Mohamad Chaaban, MD (1) · Per Ole Iversen, PhD (1)
PMID 16863045, PMID 30676359, PMID 31259847, PMID 36406043, PMID 36580304, PMID 36725781