Clinical trials: Olfaction
Healthy
Food Intake Decisions
Functional Magnetic resonance study on the effect of cognitive context variables on the perception and valuation of food odorants and flavor.
- Trial name
- NCT03095833
- Testing
- Odors, Visual stimulation, Experimental Task
- Where
- France
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Weight, Birth, Premature Birth
Effects of Olfactory and Gustatory Stimulus on the Nutrition of Premature Babies
The objective of this clinical trial is to test the effects of olfactory and taste stimulation with milk or water in premature newborns with a gestational age between 28 and 32 weeks.
- Trial name
- NCT06305052
- Testing
- Milk, Water
- Where
- Brazil
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Professor Fernando Figueira Integral Medicine Institute
Alzheimer s Disease, Mild Cognitive Impairment (MCI)
Crownlands Observing Progression With Neurons Study
The CROWN-I Study is an observational study to learn about molecular features of Alzheimer's disease (AD) and mild cognitive impairment (MCI).
- Trial name
- CROWN-I (NCT07611396)
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Crownlands
Smell Dysfunction, Taste Dysfunction
Post-Covid-19 Patients Follow-up Study
Taste, smell, trigeminal and salivary function is impacted in post-COVID-19 patients
- Conditions
- Smell Dysfunction, Taste Dysfunction, Trigeminal Dysfunction, Salivary Dysfunction
- Trial name
- COVID-19 (NCT07571382)
- Testing
- Smell training
- Where
- Norway
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- University of Oslo
Stress, Anxiety
The Effects of Smell on Mood and Physical Responses
The purpose of this study is to examine the body's response to relaxing and stimulating fragrances commonly used in aromatherapy.
- Conditions
- Stress, Anxiety, Depression
- Trial name
- NCT00097253
- Testing
- Exposure to relaxant and stimulant odors
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Olfactory Dysfunction, Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)
Neural Dissimilarity in Patients With Chronic Rhinosinusitis With Nasal Polyps Treated With Biologics
This project will focus on rehabilitation of olfactory dysfunction in patients with chronic rhinosinusitis with polyps given biological treatment based on functional magnetic resonance imaging.
- Conditions
- Olfactory Dysfunction, Chronic Rhinosinusitis With Nasal Polyps (CRSwNP), Functional Magnetic Resonance Imaging (fMRI)
- Trial name
- NCT07819162
- Where
- Denmark
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
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
Obesity
The Sense of Small and Inhibition in Obesity
The aim of this research is to verify whether inhibitory control ability is different between a group of individuals with obesity and a group of individuals with normal weight in the presence of olfactory stimuli, different for…
- Trial name
- Smell_OB (NCT05768672)
- Testing
- Experimental Task
- Where
- Italy
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Istituto Auxologico Italiano
Olfactory Impairment
The Efficacy of Modified Olfactory Training for Patients With Olfactory Dysfunction
The goal of this clinical trial is to validate the effectiveness of the modified olfactory training device, the main questions it aims to answer are: Is it possible that the device can treat olfactory disorders in adults?…
- Trial name
- NCT06353139
- Testing
- Modified olfactory training device
- Where
- China
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Alzheimer Disease, Olfaction Disorders
Computerized Olfactory Test - Alzheimer Disease Mild Stage
This study evaluates the effectiveness of the smell tests that are used in early diagnosis of mild dementia.
- Trial name
- NCT03698760
- Testing
- Olfactory test
- Where
- Canada
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Jewish General Hospital
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)
Emotion
Evaluation of Emotion-related Salivary Molecular Biomarkers
Recent studies show that emotional states can be discriminated by physiological responses. This physiological regulation results from the action of enzymes and hormones that represent the activity of the autonomic nervous system.
- Trial name
- EMJOY (NCT07320040)
- Testing
- Identication and measurement of a molecular biomarkers signature
- Where
- France
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Sys2Diag
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
Mother Who Has Given Birth to a Singleton Newborn, Mother-newborn Dyad
Olfactory Communication in the First Days of Life: From Chemical Mechanisms to Improved Breastfeeding
For a newborn, locating and latching onto the mother's breast is the foundational social interaction. This pivotal moment not only influences the newborn's survival but also determines the mother's physiological (lactation) and…
- Conditions
- Mother Who Has Given Birth to a Singleton Newborn, Mother-newborn Dyad, Singleton Newborn
- Trial name
- OD-ALL (NCT07616076)
- Testing
- Chemical description of the scent of the breast or a newborn, Breast secretion samples, The newborn and its role in colostrum secretion
- Where
- France
- Volunteers
- 364 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Healthy
Cybersickness imAgiNg Olfactory Evocation
The aim of this study is to, using fMRI, compare brain activations during olfactory imagery induced by different visual supports (words, pictures, colors and colored arrangements) in healthy subjects.
- Trial name
- CANOE (NCT05308433)
- Testing
- Functional MRI, Virtual Reality: control, Virtual Reality: experimental
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Healthy
Physiological Effects of Androstadienone Exposure
The reason for doing this research is to understand why different people show different responses when they smell an odor called androstadienone. Androstadienone is a chemical found in male sweat.
- Trial name
- NCT00553384
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Sleep Deprivation
Olfactory Decision-making and Deprived Sleep
This research study will use magnetic resonance imaging (MRI) and olfactory stimuli to better understand the connection between sleep deprivation, brain activity, and olfaction in humans.
- Trial name
- ODDS (NCT05093413)
- Testing
- Sleep deprivation
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Ethmoid Sinus Adenocarcinoma
Mechanisms of Cancerogenesis of Woodworkers Adenocarcinomas
Nasal adenocarcinomas are closely related to wood dust exposure. The precise mechanisms of carcinogenesis leading to the transformation of the respiratory mucosa into a colonic-like mucosa remain unknown: chronic exposure to wood…
- Trial name
- ADK-FO (NCT02818231)
- Testing
- Brushing of the olfactory cleft
- Where
- France
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Anosmic and Hyposmic Patients
A Study of the Effects of Sodium Citrate on Olfactory Thresholds
The study will be undertaken at the ENT department of the Leicester Royal Infirmary and in a research laboratory at the University of Leicester and also in the ENT department at the West Suffolk Hospital.
- Trial name
- NCT00409812
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospitals, Leicester
Breast Cancer, Colorectal Cancer
Family Quality of Life Among Families With a Member Who is a Cancer Patient
RATIONALE: Developing a questionnaire that can be used to assess the quality of life among people who have a family member with cancer may help the study of cancer in the future.
- Conditions
- Breast Cancer, Colorectal Cancer, Head and Neck Cancer, Lung Cancer
- Trial name
- NCT00544336
- Testing
- questionnaire administration, survey administration, quality-of-life assessment
- Where
- 3 sites in United States
- Volunteers
- 366 people, healthy volunteers welcome
- Sponsor
- Vanderbilt-Ingram Cancer Center