Clinical trials: Smell Functions
Type 2 Diabetes Mellitus, Mild Cognitive Impairment
Effects of Henagliflozin on the Brain Function in T2DM Patients With Mild Cognitive Impairment: a Randomized, Parallel Controlled Clinical Trial
This is a prospective, randomized, open label, parallel, 16-week study to explore and evaluate the therapeutic effects of Henagliflozin on the cognitive function, olfactory function, and odor-induced brain activation in T2DM…
- Trial name
- NCT06085703
- Testing
- Henagliflozin, Gliclazide
- Where
- China
- Volunteers
- 24 people
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
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
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)
Periodontitis, Olfactory Dysfunction
Olfactory Function and Oral Malodor in Periodontitis Before and After Periodontal Therapy
This prospective cohort study investigated the relationship between oral malodor and olfactory function in adults with generalized periodontitis.
- Conditions
- Periodontitis, Olfactory Dysfunction, Halitosis
- Trial name
- NCT07424300
- Testing
- Scaling and Root Planing (SRP)
- Where
- Turkey (Türkiye)
- Volunteers
- 101 people
- Sponsor
- Batman University
Olfactory Disorder
The Efficacy of Traditional Chinese Medicine in Olfactory Dysfunction
Studies have demonstrated that patients with olfactory dysfunction could improve the olfactory function after olfactory training.
- Trial name
- NCT05448898
- Testing
- Traditional Chinese Medicine CU Xiu Tang, Olfactory Training
- Where
- China
- Volunteers
- 278 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Nasopharyngeal Carcinoma
Olfactory Change After Chemo-radiotherapy for Nasopharyngeal Carcinoma
This is an observational cohort study aimed to explore the changes of olfactory function at multiple time points from baseline to 1 year after radiotherapy among the local advanced nasopharyngeal carcinoma patients.
- Trial name
- NCT05146050
- Where
- China
- Volunteers
- 107 people
- Sponsor
- Sun Yat-sen University
Smell Dysfunction
Effects of Isotretinoin on Smell
Isotretinoin is a common medicine used to treat moderate to severe acne. It often causes dryness of the skin and the inside of the nose.
- Trial name
- NCT07309341
- Testing
- isotretinoin
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people
- Sponsor
- Uşak University
Nasal Polyposis
Smell Exploration in Patients With Nasal Polyposis : Study by Functional Magnetic Resonance Imaging
Nasal polyposis (NP) is a disease affecting 4% of the population. This disease is frequently accompanied by olfactory disorders (41%-84% of patients) that affect patients' quality of life.
- Trial name
- ODORAT_IRMf (NCT03979716)
- Testing
- fMRI
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Central Hospital, Nancy, France
Frailty, Perioperative/Postoperative Complications
Correlation of Preoperative Global Olfactory Function With Frailty, Perioperative Neurocognitive Disorders and Mortality
The aims of this research project are to evaluate whether global olfactory impairment is a reliable indicator of preoperative frailty and cognitive impairment, and whether it may predict postoperative neurocognitive disorders…
- Conditions
- Frailty, Perioperative/Postoperative Complications, Olfactory Disorder, Neurocognitive Disorders
- Trial name
- NCT04761458
- Testing
- Olfactory function testing, Edmonton Frail Scale, Clinical Frailty Scale
- Where
- Belgium
- Volunteers
- 215 people
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Spinal Cord Injury at C5-Th10 Level With Complete Lesion, Spinal Cord Transection
Autologous Bulbar Olfactory Ensheathing Cells and Nerve Grafts for Treatment of Patients With Spinal Cord Transection
The purpose of this experimental therapy is to evaluate the safety and efficacy of transplantation of autologous olfactory ensheathing cells (OECs) and olfactory nerve fibroblasts (ONFs) obtained from the olfactory bulb with…
- Trial name
- NCT03933072
- Testing
- obtaining of autologous human olfactory bulb, autologous sural nerve preparation, production of Glial Neuropatch, microsurgical reconstruction of the transected spinal cord with autologous Glial Neuropatch-nerve bridges
- Where
- Poland
- Volunteers
- 2 people
- Sponsor
- Nicholls Spinal Injury Foundation
Smell Functions, Odor Memory
Effects of Different Anesthesia on Odor Memory
This study aimed to research the effect of different general anesthesia administration on postoperative smell functions and memory.
- Trial name
- NCT05499845
- Testing
- butanol threshold test and smell identification tests
- Where
- Turkey (Türkiye)
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Type 2 Diabetes Mellitus, Cognitive Function Abnormal
Efficacy Comparison of Polyethylene Glycol Loxenatide and Gliclazide on the Brain Function in T2DM Patients
This is a prospective, randomized, open label, parallel,4-month study to explore and evaluate the therapeutic effects of polyethylene glycol loxenatide on the cognitive function, olfactory function, and odor-induced brain…
- Trial name
- NCT06217887
- Testing
- loxenatide Group, Gliclazide Group
- Where
- China
- Volunteers
- 58 people
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Head and Neck Cancer
MRI Mapping in Planning Radiation Therapy to the Base of Skull and Brain in Patients With Nonmetastatic Head and Neck Cancer
RATIONALE: Diagnostic procedures, such as specialized types of magnetic resonance imaging (MRI), may help in planning radiation therapy that does less damage to normal tissues.
- Trial name
- NCT00984074
- Testing
- blood-oxygen-level-dependent functional magnetic resonance imaging, diffusion tensor imaging, dynamic contrast-enhanced magnetic resonance imaging
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Abramson Cancer Center at Penn Medicine
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
Mild Traumatic Brain Injury
Olfactory Function in Patients With Acute Mild Traumatic Brain Injury
In this project the investigators aim to evaluate olfactory and non-olfactory function in patients within the first 24h following a mild traumatic brain injury (acute mTBI) and compare their results to a group of age and sex…
- Trial name
- NCT02977728
- Testing
- Olfactory Evaluation
- Volunteers
- 42 people
- Sponsor
- Hôpital de Viege
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
Head and Neck Cancer
Evaluating Taste and Smell Function and Food and Taste Preferences of Head and Neck Cancer Patients During Radiation Therapy/Chemotherapy
Changes to taste and smell have been reported in head and neck cancer patients who undergo radiation and chemotherapy. This may cause food to be unappealing and can lead to a reduced food intake.
- Trial name
- NCT00375921
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- AHS Cancer Control Alberta
Breast Cancer, Head and Neck Cancer
Docetaxel in Treating Patients With Solid Tumors and Abnormal Liver Function
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. PURPOSE: Phase I trial to study the effectiveness of docetaxel in treating patients with advanced solid…
- Conditions
- Breast Cancer, Head and Neck Cancer, Lung Cancer, Ovarian Cancer
- Trial name
- NCT00002901
- Testing
- docetaxel
- Where
- 3 sites in United States
- Sponsor
- City of Hope Medical Center
Type 2 Diabetes Mellitus, Mild Cognitive Impairment
LIGHT-MCI Trial: GLP-1 Agonist, SGLT2 Inhibitor, and DPP-4 Inhibitor for MCI Remission in Type 2 Diabetes
This is an investigator-led prospective, randomized, open label, parallel study to explore and evaluate the therapeutic effects of Liraglutide, Empagliflozin and Linagliptin on the cognitive function in T2DM patients with mild…
- Trial name
- LIGHT-MCI (NCT05313529)
- Testing
- Liraglutide, Empagliflozin, Linagliptin
- Where
- 5 sites in China
- Volunteers
- 396 people
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School