Clinical trials: Anosmia, open to volunteers
Anosmia
Investigating the Efficacy of OMT to Recover Olfactory Perception After COVID-19
One of the most widespread symptoms of COVID-19 is loss of the sense of smell. There are very few treatments for helping individuals recover their sense of smell.
- Trial name
- NCT06766279
- Testing
- Osteopathic Manipulative Treatment
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Burrell College of Health Sciences
Respiratory Tract Infection, Smell Disorder
Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)
Background: Loss of the sense of smell can seriously affect a person's quality of life. The ability to smell can be damaged by many factors, including illnesses, injuries, and exposure to toxic chemicals.
- Conditions
- Respiratory Tract Infection, Smell Disorder, Influenza, Rhinosinusitis
- Trial name
- NCT07149428
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Anosmia, Inflammatory Anosmia
Intranasal Platelet-Rich Plasma With or Without Topical Insulin for Post-Inflammatory Anosmia
This study evaluates whether adding topical insulin to intranasal platelet-rich plasma (PRP) improves smell recovery in adults with post-inflammatory anosmia.
- Trial name
- PRP-I RCT (NCT07383415)
- Testing
- Intranasal PRP Plus Topical Insulin
- Volunteers
- 20 people
- Sponsor
- Amin Javer
Idiopathic Anosmia, Idiopathic Hyposmia
Alpha-synuclein Rt-quic and Neurologic Symptoms in Persons With idiOpathic anosMiA
Test of early warning signs and RT-QuIC in patients with idiopathic olfactory dysfunction
- Conditions
- Idiopathic Anosmia, Idiopathic Hyposmia, Idiopathic Olfactory Dysfunction
- Trial name
- AROMA (NCT05740683)
- Testing
- RT-QuiC
- Where
- 2 sites in Denmark
- Volunteers
- 100 people
- Sponsor
- Danish Dementia Research Centre
Chronic Rhinosinusitis (Diagnosis), COVID-19
The Nasal Microbiome and Its Importance in Disease
Methods: all studies are case control studies on six different groups: normal individuals, non-COVID-19 patients with olfactory dysfunction, COVID-19 positive patients, previous COVID-19 positive patients with prolonged olfactory…
- Conditions
- Chronic Rhinosinusitis (Diagnosis), COVID-19, Anosmia
- Trial name
- NCT05061329
- Where
- Denmark
- Volunteers
- 619 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
HIV, Substance Use Disorder
Olfactory Function and Model-Based Behavior in People Living With HIV and SUD
Background: Human immunodeficiency virus (HIV) infection can affect areas of the brain that control thinking ability. These same areas of the brain also control the sense of smell.
- Trial name
- NCT07637669
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Anosmia
Efficacy of Platelet-rich Plasma in Management of Anosmia
Olfactory dysfunction is a prevalent disorder that affects up to 20% of the general population and has significant effects on a person's quality of life as well as increased morbidity and mortality (Croy I et al., 2014;Nordin S…
- Trial name
- NCT06930248
- Testing
- Platelet rich plasma injection
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Obesity & Overweight, Insulin Resistance Syndrome
SENSILINS: Impact of Cephalic Phase Insulin Release Induced by an Environmental Food Odor Stimulus on Glucose Homeostasis According to Insulin Sensitivity Level
This single-center, randomized, single-blind, 2-period crossover interventional study will evaluate whether exposure to a pleasant food odor 10 minutes before a 75 g oral glucose tolerance test (OGTT) modifies glucose homeostasis…
- Trial name
- SENSILNS (NCT07638111)
- Testing
- Pleasant Food Odor Stimulation, Control Environmental Condition
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Post-viral Anosmia, Anosmia
SniffTrain: Effectiveness of Sniff Training in the Treatment of Post-Viral Anosmia
The purpose of this study is to learn whether a structured smell training program (called "sniff training") can help improve sense of smell and quality of life in people who have experienced a reduced or lost sense of smell…
- Conditions
- Post-viral Anosmia, Anosmia, Hyposmia
- Trial name
- NCT07857083
- Testing
- Sniff Training Kits
- Where
- 3 sites in United States
- Volunteers
- 204 people
- Sponsor
- University of Virginia
Alzheimer Disease, Smell Loss
Olfactory Biopsies
This research study aims to investigate the function of the olfactory lining in the nasal cavity and its potential alterations in both healthy and diseased conditions. The olfactory lining is involved in the sense of smell.
- Conditions
- Alzheimer Disease, Smell Loss, Smell Dysfunction
- Trial name
- NCT07021040
- Testing
- olfactory testing, Odor stimulation, Olfactory biopsy
- Where
- United States
- Volunteers
- 125 people
- Sponsor
- Duke University
Hyposmia, COVID-19
Olfactory Training as a Treatment for Olfactory Dysfunction Post COVID-19
Olfactory dysfunction is a defining symptom of COVID-19 infection. Studies have demonstrated improved olfaction in patients with post infectious olfactory dysfunction after an olfactory training (OT).
- Conditions
- Hyposmia, COVID-19, Parosmia, Anosmia
- Trial name
- OTTODC19 (NCT05384561)
- Testing
- Smell training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- Université du Québec à Trois-Rivières
Olfactory Impairment
Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT): Open Label
Smell dysfunction significantly impacts quality of life and safety, with limited effective treatments. This open-label study evaluates the preliminary efficacy of combining non-invasive trigeminal nerve stimulation (TNS) with…
- Trial name
- SCENT-OL (NCT07689773)
- Testing
- Trigeminal Nerve Stimulation-enhanced Smell Training
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Medical University of South Carolina
Alzheimer Disease, Late Onset, Mild Cognitive Impairment
Establish Diagnostic and Prognostic Models for Preclinical AD Patients Based on Multimodal MRI, Behavioral, Genetic, and Plasma Biomarkers
To establish the diagnostic and prognostic models that could help the preclinical identification of subjects at higher risk of clinical progression to mild cognitive impairment and dementia based on combined features of baseline…
- Conditions
- Alzheimer Disease, Late Onset, Mild Cognitive Impairment, Subjective Cognitive Decline
- Trial name
- NCT06561906
- Testing
- Multimodal magnetic resonance imaging scanning, behavioral, genetic and plasma biomarker testing
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Parkinson Disease
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
The Parkinson Progression Marker Initiative (PPMI) is a longitudinal, observational, multi-center natural history study to assess progression of clinical features, digital outcomes, and imaging, biologic and genetic markers of…
- Trial name
- PPMI (NCT04477785)
- Where
- 50 sites in United States, Austria and 10 more
- Volunteers
- 4,500 people, healthy volunteers welcome
- Sponsor
- Michael J. Fox Foundation for Parkinson's Research
Olfactory Dysfunction, Anosmia
Topical Versus Injection PRP for Olfactory Dysfunction
The goal of this clinical trial is to determine whether two different delivery methods of autologous platelet-rich plasma (PRP) can improve olfactory function in adults with persistent olfactory dysfunction lasting more than…
- Conditions
- Olfactory Dysfunction, Anosmia, Hyposmia
- Trial name
- TOP-IN (NCT07151703)
- Testing
- Intranasal Injection of Autologous PRP, Carrier-Assisted Topical Application of Autologous PRP, platelet-rich plasma
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Hyposmia, Olfactory Dysfunction
Slow-SPEED UK: A Double-Blind Randomised Feasibility Trial
Slow-SPEED UK is an 18-month randomised, double-blind feasibility trial evaluating the delivery, adherence, and acceptability of a digitally supported physical activity programme in community-dwelling adults aged 40 and over with…
- Conditions
- Hyposmia, Olfactory Dysfunction, Anosmia
- Trial name
- Slow-SPEED (NCT06600438)
- Testing
- Slow-SPEED app
- Where
- United Kingdom
- Volunteers
- 110 people
- Sponsor
- Queen Mary University of London
Alcohol Use Disorder
Effects of Olfactory Stimuli in Virtual Reality Cue Exposure on Craving and Attentional Bias in Alcohol Use Disorder
Alcohol use disorder (AUD) is a prevalent and burdensome clinical condition with high relapse rates. A central risk factor for relapse is craving for alcohol-often accompanied by an attentional bias toward alcohol-related…
- Trial name
- OLFA-VR (NCT07667790)
- Testing
- VR-CE
- Where
- Germany
- Volunteers
- 60 people
- Sponsor
- Charite University, Berlin, Germany
Subjective Cognitive Concerns, Mild Cognitive Impairment
Digital Accessible Remote Olfactory Mediated Health Assessments for Preclinical AD
The goal of this study is to objectively test one's sense of smell, called olfaction, in participants with Subjective Cognitive Concerns (SCC), Mild Cognitive Impairment, Mild Behavioral Impairment (MBI), and age-matched…
- Conditions
- Subjective Cognitive Concerns, Mild Cognitive Impairment, Mild Behavioral Impairment, Healthy Aging
- Trial name
- NCT05881239
- Testing
- AROMHA Brain Health Test
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Olfactory Dysfunction, Post-traumatic Olfactory Dysfunction
PANDORA: Evaluation of Platelet-rich Plasma in Non-tumoural Odour Disorders: a Descriptive Pilot Study.
This is a prospective, single-center, single-arm, non-comparative descriptive pilot study evaluating autologous platelet-rich plasma (PRP) injections in adults with persistent (>6 months) non-tumoural olfactory dysfunction…
- Conditions
- Olfactory Dysfunction, Post-traumatic Olfactory Dysfunction, Age-related Degenerative Olfactory Dysfunction
- Trial name
- PANDORA (NCT07473830)
- Testing
- Autologous Platelet-Rich Plasma (PRP) Injection
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Hospices Civils de Lyon
Covid19, Olfactory Dysfunction
Dysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular Investigation
Investigation of the mechanisms of persistent SARS-CoV-2 associated olfactory dysfunction (OD) in patients with well-documented olfactory function.
- Trial name
- DysOSMIC (NCT06482138)
- Testing
- Biopsy and Cytobrush
- Where
- 7 sites in Belgium, Germany and 1 more
- Volunteers
- 240 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven