Clinical trials: Smell Disorders
Type 2 Diabetes Mellitus, Cognitive Impairment
Establish Diagnostic Models Based on Olfactory Function and Odor-induced Brain Activation for Diabetes-Related Cognitive Impairment
This is a cross-sectional and longitudinal study to establish diagnostic models based on olfactory function assessments and odor-induced brain activation for cognitive impairment in patients with type 2 diabetes mellitus.
- Trial name
- NCT05543967
- Testing
- Cognitive assessments, Olfactory function measurements, Functional magnetic resonance imaging
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Nicotine Dependence
Smart Olfaction App to Reduce Relapse
The proposed project aims to refine and test a novel biobehavioral smoking cessation intervention that integrates the strategic application of olfactory stimulation to reduce cigarette craving with an established smartphone-based…
- Trial name
- SOARR (NCT07007195)
- Testing
- Ad Libitum Use followed by Instructed Use of the Inspire Device, Instructed Use followed by Ad Libitum Use of the Inspire Device, Smart-T Smoking Cessation App with the Inspire Device Condition
- Where
- United States
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- University of Houston
Overweight and Obesity
ABUNDANCE of A NATURAL ODOUR in HUMAN CEREBROSPINAL FLUID AFTER OLFACTORY EXPOSURE - the OLFO-Brain Study
The goal of this clinical trial is to investigate the abundance of a natural odour in human cerebrospinal fluid in obese and lean participants after inhalation thereof.
- Trial name
- OLFO-Brain (NCT06370845)
- Testing
- Inhalation - Natural Odour
- Where
- 2 sites in Switzerland
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Habituation
Repeated Food Exposure Via the Olfactory and Gustatory Systems
Increasing exposure to a single orosensory cue without ingestion of additional energy may promote an increased rate of habituation, more rapid satiation, and reduced intake.
- Trial name
- NCT01651221
- Testing
- Habituation
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- The University of Tennessee, Knoxville
Cesarean Delivery Affecting Fetus, Preterm Labor
Baby Smell Visual Stimulus Program Cortical and Breast Oxygenation Milk Amount Mother-Infant Attachment
In this study, the effect of infant odor and visual stimulus program applied to mothers who had delivered by cesarean section and whose babies were taken to the NICU on cortical and breast oxygenation (rSO2), amount of breast…
- Trial name
- NCT06058208
- Testing
- Olfactory stimulation, Visual stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Selcuk University
Olfactory Dysfunction, Wellbeing
Impact of Smell Testing on Health Outcomes
Smell dysfunction is frequent yet neglected. The sense of smell plays a crucial role in signaling disease, safety, and overall quality of life.
- Trial name
- NCT07222891
- Testing
- Patient-centered information and education
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Monell Chemical Senses Center
COVID-19, Anosmia
Finding Out if COVID-19 Infection Can be pREdicted by ChAnges in Smell and/or Taste
The FORECAST Study is an observational cohort study looking at two cohorts of patients presenting with COVID-19: a general public cohort, aiming to investigate if new loss or reduced sense of smell and/or taste are early signs of…
- Trial name
- FORECAST (NCT04377815)
- Testing
- General Public cohort
- Where
- 2 sites in United Kingdom
- Volunteers
- 569 people, healthy volunteers welcome
- Sponsor
- University College, London
Covid19, Neurological Injury
Radiofrequency Intervention in Neurological Pathologies Post COVID-19
The sequelae that occur in post-COVID-19 patients are multiple and, at a therapeutic level, these represent a new challenge within the general context of the pandemic that the world is suffering.
- Conditions
- Covid19, Neurological Injury, Olfactory Disorder, Gustatory Agnosia
- Trial name
- NCT04920890
- Testing
- Radiofrequency therapy with manual therapy
- Where
- Spain
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Clinica Gema Leon
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
Kallmann Syndrome, Hypogonadotropic Hypogonadism
Genetics of Reproductive Disorders (Including Kallmann Syndrome) and Cleft Lip and/or Palate
The purpose of this study is to explore the genetic basis of reproductive disorders and cleft lip and/or palate.
- Conditions
- Kallmann Syndrome, Hypogonadotropic Hypogonadism, Hypothalamic Amenorrhea, Polycystic Ovarian Syndrome
- Trial name
- NCT01601171
- Where
- Switzerland
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Vaudois
Covid19, SARS-CoV2 Infection
Clinical and Immunological Responses After SARS-CoV-2 Infection Causing COVID-19
There are very few long-term studies that analyze the immune responses in patients recovered from COVID-19 caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
- Conditions
- Covid19, SARS-CoV2 Infection, Olfactory Disorder, COVID-19
- Trial name
- NCT05038475
- Testing
- COVID-19 antibody test
- Where
- Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Association "Naso Sano" Onlus
Smoking Cessation, Olfactory Disorder
The ESTxENDS Trial- Substudy on Effects of Using Electronic Nicotine Delivery Systems (ENDS) on Olfactory Function
--> This is a substudy of the main ESTxENDS trial (NCT03589989). Olfactory function outcomes should be considered secondary outcomes of the main smoking cessation outcome formulated in NCT03589989.
- Trial name
- ESTxENDS (NCT04617444)
- Testing
- ENDS (vaporizer/e-cig) and smoking cessation counseling, Smoking cessation counseling
- Where
- 5 sites in Switzerland
- Volunteers
- 389 people, healthy volunteers welcome
- Sponsor
- University of Bern
Anxiety
Essential Oils for Electrocautery
The purpose of this study is to assess whether essential oil aromatherapy could improve or eliminate the smell of burnt flesh from electrocautery and subsequently mitigate patient anxiety and discomfort during dermatologic skin…
- Trial name
- NCT04260867
- Testing
- Essential Oil, No Essential Oil
- Where
- United States
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Bipolar Disorder
OLFACTION AND BIPOLAR DISODER
To compare olfactory performance between patients with BD and HC and correlate their performances to neuroimaging data
- Trial name
- OLF-BP (NCT06809881)
- Testing
- olfactory testing, MRI acquisition, clinical assessment
- Where
- France
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Encephalopathy, HIV-encephalopathy
SOLFAMU Study of Nasal Brushing Collected OLFActory MUcosa Samples in the Diagnosis of Human Encephalopathies
Encephalopathies are a group of central nervous system (CNS) affection with heterogeneous etiology. Several causes have been recognized including neurodegenerative, vascular, infectious, autoimmune, toxic or allergic affections…
- Conditions
- Encephalopathy, HIV-encephalopathy, Alzheimer Dementia
- Trial name
- NCT02951559
- Testing
- Nasal Brushing
- Where
- Italy
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University of Turin, Italy
Cardiovascular Disease, Diabetes
Taste Perception and Chronic Disease Risk
The purpose of the Taste Perception Study is to assess variations in the ability to taste and perceive sensations from various stimuli in younger (18-49 years) and older (50-85 years) volunteers.
- Conditions
- Cardiovascular Disease, Diabetes, Obesity, Metabolic Syndrome
- Trial name
- NCT01023906
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Tufts University
Diabetes Mellitus, Cognitive Impairment
Relationship Between Diabetes and Cognitive Impairment Based on Olfactory Function Assessment and Functional MRI
The purpose of this study is to explore the relationship between diabetes and cognitive impairment by olfactory function assessment and functional MRI.
- Conditions
- Diabetes Mellitus, Cognitive Impairment, Obesity
- Trial name
- NCT02738671
- Testing
- Cognitive assessment, functional magnetic resonance imaging, olfactory function measurement
- Where
- China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
COVID-19 Lower Respiratory Infection, SARS-CoV2 Infection
Osteopathic Manipulative Therapy Effects on Prolonged Post-COVID Olfactory Dysfunction
The goal of this project is to determine the efficacy of a treatment method that increase a participants sense of smell after suffering from COVID-19 related decline in smell.
- Trial name
- NCT05112887
- Testing
- Osteopathic Manipulative Therapy
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ohio University
Persian Gulf Syndrome, Occupational Exposure
Investigate Olfactory Functioning as a Possible Proxy for Neurotoxic Exposure in Cohorts of Deployed and Non-Deployed Gulf War-Era Veterans.
Significant subsets of military veterans have reported such health problems as headache, joint pain, fatigue, and memory/concentration difficulties subsequent to their participation in the Gulf War.
- Trial name
- NCT00007514
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Alzheimer Disease (AD), Dementia Alzheimer Type
Effects on the Olfactory Epithelium and the Olfactory Nerve From Exposure to Diesel Exhaust
The goal of this study is to study the effect exposure to air pollution and its effect on development of dementia. Does the diesel exhaust change the function of the olfactory system? Have the exposures measurable effects on the…
- Conditions
- Alzheimer Disease (AD), Dementia Alzheimer Type, Air Pollution Exposure
- Trial name
- DINOSE (NCT07237958)
- Testing
- Diesel Exhaust Particles, Filtered air
- Where
- Sweden
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Umeå University