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We list hundreds of Clinical Trials about "Unveiling olfactory proteostatic disarrangement Parkinson disease proteome wide" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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There is convincing evidence from numerous studies using both psychophysical and electrophysiological approaches that olfaction is markedly reduced in Parkinson´s disease (PD). Data on the prevalence of olfactory dysfunction in PD however, range from 45% and 49% in the pioneering studies of Ansari & Johnson, and Ward, respectively, up to 74% in the work of Hawkes et al., or as high as 90% in a study published by Doty et al. Quality of life, safety, and interpersonal relations,...
This study seeks to establish the sensitivity and specificity of what appears to be a unique brainstem biomarker of Parkinson's Disease - an electrically induced olygosynaptic nasotrigeminal reflex response - in differentiating early stage PD from normal controls and from patients with various other neurodegenerative diseases. This study will additionally compare the biomarker to olfactory testing.
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 perception resulting in a decrease of the perception of positive stimuli (odors and facial expressions) and an increase in perception of negative stimuli (odors). Moreover, it has also been shown in healthy subjects that the presence of minor depressive sympt...
Awareness of the sense of smell in the western population has been low. Most people do not think about the consequences of absence of smell (anosmia). Reduction in sense of smell (hyposmia) can influence everyday life. In situations of stress anosmia can be life threatening for example when there is a fire. Cooks may lose their job. Not being able to enjoy food and drink interferes with quality of life. The causes of olfactory dysfunction (OD) vary. Most often OD is associated ...
Purpose: 1. To see if cytokine levels and oligomeric alpha-synuclein levels in blood and cerebrospinal fluid could be used as biological markers for Parkinson's disease (PD) onset and progression. 2. To characterize and define patterns in the clinical features of sleep, olfactory function and motor function in the early stages of idiopathic (sporadic) Parkinson's disease (PD). Procedures: All subjects, both control and early PD diag...
Olfactory dysfunction is a cardinal symptom of chronic rhinosinusitis, a disease which affects 12.5% of the adult population across all racial and ethnic groups. Previous research has documented olfactory deficit in 68% of patients with chronic rhinosinusitis and 20% with complete anosmia, suggesting that olfactory dysfunction affects over 25 million individuals in the United States with chronic rhinosinusitis. This proposed investigation will be used to predict olfactory outco...
CMV lesions were found in the olfactory system of children with congenital CMV infection but no study has hitherto examined the impact of congenital CMV infection on olfaction. So the investigators propose in this study to assess the proportion of children with olfactory deficits among children with congenital CMV infection. Second this study will also evaluate performances of a new olfactory test, based on discrimination of binary odorant mixtures.
The purpose of this study is to determine the impact of a twice daily at-home olfactory training program with a twenty scent, essential oil-based smell test in patients with olfactory dysfunction.
To obtain olfactory bulbs from brain stem dead patients who undergo organ donation. Aims: 1. Optimisation of olfactory bulb collection and olfactory ensheathing cell culture and storage. 2. Study of the effects of patient diagnosis, age, cause of death and co-morbidities on cell survival and regenerative function. 3. In future studies, the olfactory ensheathing cells may be injected into patients with spinal cord injuries.
For twenty years research has shown a strong link between olfactory disorders and Alzheimer's disease. The focus is on the very early alteration of the olfaction which acts as a harbinger of the disease since it is detectable in its asymptomatic phase. In addition, olfactory involvement is a precursor to the transformation of mild cognitive impairment into MA. Indeed the anatomical structures the first lesions are located in the transentorhinal region of the temporal lobe and e...
Glaucoma is one of the leading causes of blindness worldwide. The key feature of glaucoma is damage to the optic nerve head with loss of retinal ganglion cells and local tissue remodeling. Neuronal cell death in glaucoma occurs by apoptotic mechanisms1. Apoptosis of neurons also plays a major role in neurodegenerative diseases, such as Alzheimer's or Parkinson's disease. An association between glaucoma and these disorders has been described 2-4. Furthermore, it has been reporte...
Glaucoma is a worldwide leading cause of blindness. The key feature of this ocular neuropathy is characterized by an excavating optic nerve head. Loss of retinal ganglion cells is the final end point in blinding diseases of the optic nerve such as glaucoma. It is known that neuronal cell death in glaucoma occurs by an apoptotic mechanism. In earlier studies the investigators could demonstrate that the process of apoptosis is reflected in circulating leukocytes by different para...
Parkinson's disease is the second most common neurodegenerative disease affecting about 1-3% of population above 60 years. Recently, non-motor symptoms are getting more attention in PD management. The pattern of PD onset and clinical course differ from one population to another. Many studies have been conducted to determine the clinical profile of PD in populations worldwide. However, no similar studies have been conducted in Egypt. Therefore, the investigators will conduct a n...
The study aimed to determine the emotional reactivity of depressed patients to visual and olfactory stimuli in comparison with healthy volunteers.
microRNAs (miRNAs) regulate fundamental cell processes. Dysregulation of miRNA expression and function is reported in various diseases including cancer, metabolic disorders as well as neurological disorders. Circulating miRNAs have been proposed to mirror physiological and pathological conditions suggesting their use as biomarkers for various diseases. The study will focus on a case-control study cohort (N=1000) of subjects recruited at the IRCCS Neuromed for which a deep clini...
To study the correlation of POCD with olfactory function. To explore whether enhanced olfactory stimuli can reduce the risk of POCD as a preventive strategy.
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 matched control patients suffering from an orthopedic injury 24h prior to testing. The investigators then aim to follow them up 1 year after the trauma
Analyze the behavioral response of patients with disorders of consciousness through olfactory stimulation, compare the response of olfactory stimulation in patients with different consciousness, and analyze the impact of olfactory stimulation on diagnosis; After the first, third, and sixth months of initial enrollment, the recovery of prognosis was tracked by the Coma Recovery Scale-Revision (CRS-R).
By creating a neurogenebank from Parkinson's disease patients' blood donations we will ultimately be able to define genes for Parkinson's disease and other neurological conditions.
Prospective observational study of Parkinson's disease with repeat clinical assessment and biobanking of blood samples.
The purpose of this research is to improve understanding of the molecular and functional properties of the human olfactory system. The specific aims are: - to determine the location of AC3 and Golf proteins in the human olfactory epithelium from freshly harvested nasal/sinus tissue of surgical patients - to perform objective functional studies on fresh human nasal/sinus tissue using an electro-olfactogram (EOG) whic measures the electrical activity of o...
The purpose of this study is to determine if the 9zest app for Parkinson's disease is feasible, safe, and efficacious when used independently by individuals with Parkinson's disease.
This is a prospective observational study investigating the utility of 7 Tesla MRI to quantify nigrosome1 signal in a cohort of individuals with recent onset Parkinson's disease and in at-risk cohorts at a premotor state of Parkinson's disease.
The aim of this research is to discover genes which modify risk for Parkinson's disease. The study includes 800 patients with Parkinson's disease, and their estimated 1,222 available siblings. Common variations of at least 9 genes will be studied, including genes associated with personality, substance use, and anxiety and depression.
The primary aim of the study is to test the feasibility and efficacy of, a manual based, Internet-delivered, cognitive behaviour therapy (CBT) for Olfactory Reference Syndrome (ORS). The secondary aim is to investigate smell sensitivity and body odor in ORS-patients.