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18 studies found for:    "multiple system atrophy" | Open Studies

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Rank Status Study
1 Recruiting Evaluation of the Subjective and Objective Painful Threshold in Multiple System Atrophy Pain and Multiple System Atrophy
Conditions: Pain Threshold;   Multiple System Atrophy
Interventions: Drug: Levodopa test;   Procedure: determination of objective and subjective pain threshold
2 Recruiting Oligomeric Alpha-synuclein in Multiple System Atrophy
Condition: Multiple System Atrophy (MSA)
Intervention:
3 Recruiting Investigation of the Serotoninergic System in Multiple System Atrophy: a Positron Emission Tomography (PET) Study
Condition: Multiple System Atrophy
Interventions: Radiation: PET (Positron Emission Tomography) Study;   Other: Brain MRI (magnetic resonance imaging);   Drug: Fluoxétine / Placebo
4 Unknown † Fipamezole in Neurogenic Orthostatic Hypotension
Conditions: Symptomatic Neurogenic Orthostatic Hypotension (NOH);   Parkinson's Disease;   Multiple System Atrophy
Interventions: Drug: Placebo;   Drug: Fipamezole
5 Recruiting Norepinephrine Transporter Blockade as a Pathological Biomarker in Neurogenic Orthostatic Hypotension
Conditions: Orthostatic Hypotension;   Pure Autonomic Failure;   Multiple System Atrophy;   Parkinson's Disease
Intervention:
6 Recruiting Magnetic Resonance Spectroscopy in Autonomic Failure
Conditions: Pure Autonomic Failure;   Multiple System Atrophy
Intervention: Procedure: Magnetic Resonance Spectroscopy Imaging
7 Recruiting Increased Gut Permeability to Lipopolysaccharides (LPS) in Parkinson's Disease
Conditions: Parkinson's Disease;   Multiple System Atrophy
Intervention:
8 Unknown † Analysis of the Enteric Nervous System Using Colonic Biopsies
Conditions: Parkinson's Disease;   Multiple System Atrophy;   Progressive Supranuclear Palsy
Intervention: Procedure: colonoscopy or rectosigmoidoscopy
9 Recruiting The Role of Endothelin in the Supine Hypertension of Autonomic Failure
Conditions: Hypertension;   Pure Autonomic Failure;   Multiple System Atrophy
Interventions: Drug: BQ123;   Drug: Bq123;   Drug: Saline
10 Recruiting Contribution of Angiotensin II to Supine Hypertension in Autonomic Failure
Conditions: Hypertension;   Pure Autonomic Failure;   Multiple System Atrophy
Interventions: Drug: Losartan;   Drug: Captopril;   Drug: Placebo
11 Recruiting Droxidopa / Pyridostigmine in Orthostatic Hypotension
Conditions: Orthostatic Hypotension;   Multiple System Atrophy
Interventions: Drug: Droxidopa;   Drug: Pyridostigmine Bromide
12 Recruiting Nebivolol in the Supine Hypertension of Autonomic Failure
Conditions: Hypertension;   Pure Autonomic Failure;   Multiple System Atrophy
Interventions: Drug: Placebo;   Drug: Nebivolol 5 mg;   Drug: metoprolol tartrate 50 mg;   Drug: Sildenafil25 mg
13 Recruiting Treatment of Supine Hypertension in Autonomic Failure
Condition: Hypertension
Interventions: Drug: Clonidine;   Drug: Nitroglycerin transdermal;   Drug: Dipyridamole/ Aspirin (Aggrenox);   Drug: Desmopressin (DDAVP);   Drug: Sildenafil;   Drug: Nifedipine;   Drug: Hydralazine;   Drug: Hydrochlorothiazide;   Drug: Placebo;   Drug: Bosentan;   Drug: Diltiazem;   Drug: Eplerenone;   Drug: guanfacine;   Dietary Supplement: L-arginine;   Drug: captopril;   Drug: carbidopa;   Drug: losartan;   Drug: metoprolol tartrate;   Drug: nebivolol hydrochloride;   Drug: prazosin hydrochloride;   Drug: tamsulosin hydrochloride;   Other: Head-up tilt.
14 Recruiting Evaluation of Primary Chronic Autonomic Failure
Condition: Autonomic Nervous System Diseases
Intervention:
15 Recruiting The Autonomic Nervous System and Obesity
Conditions: OBESITY;   HYPERTENSION;   PURE AUTONOMIC FAILURE;   SHY-DRAGER SYNDROME
Interventions: Drug: Trimethaphan;   Drug: Pseudoephedrine
16 Recruiting The Phenotype and Natural History of Primary Autonomic Disorders
Condition: Neurogenic Orthostatic Hypotension
Intervention:
17 Recruiting The Differential Diagnosis of Parkinson's Disease and Parkinsonism by Positron-emission Tomography
Condition: Parkinson's Disease
Intervention: Drug: 18F-FDG
18 Recruiting Diagnosis of Parkinson's Disease Using Diffusion Magnetic Resonance Imaging
Condition: Parkinson Disease
Intervention:
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† Indicates status has not been verified in more than two years