Clinical trials: Olfaction, open to volunteers
Mild Cognitive Impairment
Observation of Inhalation of CXMCI-01 Essential Oil on Patients With Mild Cognitive Impairment
Memory declined and cognitive impairment are common complaints in neurology clinics. Before diagnosing as dementia, individuals will undergo a transition period, including mild cognitive impairment (MCI).
- Trial name
- CXMCI-01-MCI (NCT06902181)
- Testing
- Experimental Group - 100% CXMCI-01 Essential Oil
- Where
- 2 sites in Taiwan
- Volunteers
- 100 people
- Sponsor
- China Medical University Hospital
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)
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
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
Perioperative Neurocognitive Disorder
Treatment of Perioperative Neurocognitive Disorders With Olfactory Enrichment
Perioperative neurocognitive disorder (PND) is one of the most common postoperative complications among elderly patients. However, the mechanism and targeted intervention of PND remains unclear.
- Trial name
- NCT06488807
- Testing
- Olfactory Enrichment
- Where
- China
- Volunteers
- 686 people
- Sponsor
- Shanghai 10th People's Hospital
Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)
Upper Airway Inflammation and Olfaction: Mechanisms of Loss and Recovery
The goal of this clinical trial is to understand the mechanisms leading to olfactory dysfunction (OD) in chronic rhinosinusitis (CRS).
- Trial name
- IMMUNODOR (NCT06776042)
- Testing
- Nasal brushing of the olfactory cleft, Smell testing
- Where
- Belgium
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
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
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
Down Syndrome, Cognitive Decline
GnRH Therapy on Cognition in Down Syndrome
Down syndrome (DS) is the most common chromosomal disorder; with the increasing life expectancy, about 80% of DS adults reach age 65 years old.
- Conditions
- Down Syndrome, Cognitive Decline, Alzheimer Disease, Early Onset, Olfaction Disorders
- Trial name
- NCT04390646
- Testing
- GnRH, gonadorelin acetate, 0.9% NaCl
- Where
- Switzerland
- Volunteers
- 56 people
- Sponsor
- Nelly Pitteloud
Central Compartment Atopic Disease (CCAD)
Development of A Multi-section Olfactory Cleft Opacity Staging System in Patients With CCAD
This study aims to develop a modified CT scoring system to evaluate the association between olfactory cleft obstruction patterns and olfactory dysfunction in patients with central region atopic disease (CCAD).
- Trial name
- NCT07380945
- Testing
- Computer Tomography
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Meningioma, Pituitary Disease
The Impact of Endoscopic Endonasal Skull Base Surgery on Olfaction
In this study, the research team will investigate the incidence and etiology of olfactory dysfunction following endoscopic endonasal skull base surgery, by combining clinical assessments with histomolecular analysis.
- Conditions
- Meningioma, Pituitary Disease, Pituitary Adenoma, Craniopharyngioma
- Trial name
- Endo-Olfact (NCT06874426)
- Testing
- Endoscopic endonasal skull base surgery
- Where
- 3 sites in Belgium, Germany and 1 more
- Volunteers
- 154 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
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
Paraosmia
Randomized Clinical Trial of Intranasal Injection of Platelet-Rich Plasma for Treatment of Parosmia
This randomized clinical trial will evaluate the benefit of platelet-rich plasma (PRP) in the treatment of qualitative olfactory dysfunction (parosmia).
- Trial name
- NCT06283745
- Testing
- Platelet-rich Plasma (PRP), Saline
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Stanford University
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
Prader-Willi Syndrome
Brain Olfactory Pathways in Prader-Willi Syndrome
Studying the cerebral activity of children with Prader-Willi Syndrom (PWS) when the study propose to them nasal activations.
- Trial name
- PRADOL (NCT07006207)
- Testing
- olfactory stimulation, functional MRI
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Toulouse
Parkinson´s Disease, REM Sleep Behavior Disorder (iRBD)
The Swedish BioFINDER Sleep Study
BioFINDER-Sleep study was established in 2021 and will include patients with early Parkinson´s disease (PD) and persons with iRBD to provide essential insights into the underlying mechanisms of the progressive neurodegenerative…
- Conditions
- Parkinson´s Disease, REM Sleep Behavior Disorder (iRBD), Lewy Body Disease, Synucleinopathy
- Trial name
- NCT07533799
- Testing
- Dopamine transporter PET scan with [18F]FE-PE2I, Magnetic resonance imaging (MRI), [123I] MIBG scintigraphy of the heart
- Where
- Sweden
- Volunteers
- 650 people, healthy volunteers welcome
- Sponsor
- Skane University Hospital
Olfactory Neuroblastoma
Efficacy and Safety of Induction Chemotherapy for Olfactory Neuroblastoma (ESICON)
The goal of this clinical trial is to learn about the induction chemotherapy efficacy in olfactory neuroblastoma. The main question it aims to answer is: wether olfactory neuroblastoma patients with different pathology subtypes…
- Trial name
- ESICON (NCT06255210)
- Testing
- Gemcitabine+Cisplatin(GP); Cyclophosphamide+Etoposide+Cisplatin(CEP)
- Where
- China
- Volunteers
- 25 people
- Sponsor
- Hongmeng Yu
Olfactory Neuroblastoma, Esthesioneuroblastoma
A Natural History Study of Children and Adults With Olfactory Neuroblastoma
Background: Olfactory neuroblastoma (ONB) is a rare cancer. It grows from tissue in the upper part of the nose cavity, related to the sense of smell and can affect a person s sense of smell.
- Trial name
- NCT04755205
- Where
- United States
- Volunteers
- 525 people
- Sponsor
- National Cancer Institute (NCI)
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)
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