Clinical trials: Smell Disorders
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)
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)
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
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
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
Parkinson Disease
Role of Nasal Dysbiosis in Parkinson Disease
Olfactory dysfunction is frequent in Parkinson Disease (PD) and may be present years before the motor symptoms appear. The early olfactory dysfunction could result from environmental factors acting through the nasal cavity such…
- Trial name
- SMELLPARK (NCT04249245)
- Testing
- Nasal Swab
- Where
- 2 sites in France, Guadeloupe
- Volunteers
- 285 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Depressive Symptoms, Depressive Disorder, Major
Olfactory Training and Emotional State
During the past three decades, researchers have paid particular attention to the study of olfactory disorders in depression. Recent studies have shown that depression is characterized by a change in olfactory and emotional…
- Trial name
- ENOLFEA (NCT03605524)
- Testing
- Sensory training
- Where
- 3 sites in France
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University Hospital, Tours
Olfactory Disorder
cAMP (Cyclic Adenosine Monophosphate) Levels in the Nose
The purpose of this study is to determine the normal distribution of nasal tissue cathelicidin antimicrobial peptides (cAMP) levels in subjects with normal smell and subjects with smell dysfunction.
- Trial name
- NCT01332825
- Testing
- saline nasal irrigation
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Washington
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
Seasonal Allergic Rhinitis
Treatment of Olfactory Dysfunction in Seasonal Allergic Rhinitis
People with allergies frequently complain of a loss or reduction in the sense of smell. In this study, the investigators propose to perform a randomized, double blind, placebo controlled parallel study of subjects with nasal…
- Trial name
- NCT00361439
- Testing
- Mometasone
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Telomere Disease, Telomere Shortening
Nasal Brushing for the Diagnosis and Understanding of Telomeropathies
To date, the diagnosis of telomeropathies is based on telomere length measured in blood cells. However, this type of analysis is not always sufficient because some mutations underlying the development of telomeropathies are not…
- Trial name
- TELOSTIC (NCT05508321)
- Testing
- Nasal brushing, Sniffin' Sticks
- Where
- Belgium
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Breast Cancer, Surgery
Isolation of Volatile Organic Compounds (VOCs) Related to the Olfactory Signature of Breast Cancer. (KDOGCOV)
To ascertain the possibilities to isolate the breast cancer olfactive signature
- Trial name
- KDOG COV (NCT04541537)
- Testing
- Sorbstar®, Dog Detection
- Where
- France
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Institut Curie