- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03970239
Serotonin in Impulse Control Disorders in Parkinson's Disease (Park-IMPULSE)
Role of the Serotoninergic System in Impulse Control Disorders in Parkinson's Disease
Impulse control disorders are frequent and troublesome in patients with Parkinson's disease. However, the cerebral functional alterations related to impulse control disorders in Parkinson's disease are poorly understood and may involve the serotoninergic system besides alterations in the dopaminergic system.
The primary objective of this study is to investigate the cerebral functional alterations in the serotoninergic system in patients with Parkinson's disease and impulse control disorders using Positron Emission Tomography with highly specific radiotracers of serotonin transporter (SERT) using [11 Carbon]-3-amino-4-(2-dimethylaminomethylphenylsulfanyl)-benzonitrile ([11C]-DASB) and of serotonin 5-Hydroxytryptamine 2A (5-HT2A) receptor using [18 Fluorine]-altanserin ([18F]-altanserin), in comparison to patients with Parkinson's disease without impulse control disorders and healthy volunteers.
Study Overview
Status
Conditions
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Stéphane THOBOIS, PhD
- Phone Number: 33 4 72 35 72 18
- Email: stephane.thobois@chu-lyon.fr
Study Locations
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Bron, France
- Recruiting
- Hospices Civils de Lyon
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Contact:
- THOBOIS STEPHANE
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Group 1 Patients with Parkinson's disease and impulse control disorders
- Patients with a diagnosis of clinically established or clinically probable Parkinson's disease according to the Movement Disorder Society (MDS) Clinical Diagnostic Criteria for Parkinson's Disease
- Patients aged ≥ 30 and ≤ 80 years old
- Patients presenting currently with impulse control disorders or having presented with impulse control disorders in the last 2 years (Ardouin Behavior Scale score ≥2 for one or more of the following items: eating behavior; compulsive buying; pathological gambling; hypersexuality) , following the diagnosis of Parkinson's disease
- Patients able to sign the consent document and willing to participate in all aspects of the study
Patients with Parkinson's disease and without impulse control disorders
- Patients with a diagnosis of clinically established or clinically probable Parkinson's disease according to the MDS Clinical Diagnostic Criteria for Parkinson's Disease
- Patients aged ≥ 30 and ≤ 80 years old
- Patients not currently presenting with impulse control disorders and other hyperdopaminergic behaviors and not having ever presented with impulse control disorders
- Patients able to sign a consent document and willing to participate in all aspects of the study
Group 2 : Healthy volunteers
Subjects aged ≥ 30 and ≤ 80 years old
- Subjects not currently presenting with impulse control disorders or hyperdopaminergic behaviors and not having ever presented with impulse control disorders
- Subjects able to sign a consent document and willing to participate in all aspects of the study
Exclusion Criteria:
Group 1 :
Patients with Parkinson's disease and impulse control disorders
- Patients with Montreal Cognitive Assessment score ≤24 or Frontal Assessment Battery score ≤14
- Patients not able to perform Positron Emission Tomography (PET) or Magnetic Resonance Imaging (MRI)
- Patients presenting with other severe medical condition or other parkinsonian syndrome
- Patients treated with Deep Brain Stimulation or levodopa pump
- Patients treated with drugs or consuming recreative drugs specifically interfering with the serotoninergic, noradrenergic or opiate systems in the last 3 months
- Patients presenting with substance dependence, except for tobacco
- Patients with Body Mass Index ≥ 35kilogram/meters2 (kg/m2)
Patients with Parkinson's disease and without impulse control disorders
- Patients with Montreal Cognitive Assessment score ≤24 or Frontal Assessment Battery score ≤14
- Patients not able to perform Positron Emission Tomography or Magnetic Resonance Imaging
- Patients presenting with other severe medical condition or other parkinsonian syndrome
- Patients treated with Deep Brain Stimulationor levodopa pump
- Patients treated with drugs or consuming recreative drugs specifically interfering with the serotoninergic, noradrenergic or opiate systems in the last 3 months
- Patients presenting with substance dependence, except for tobacco
- Patients with Body Mass Index ≥35kg/m2
Group 2 : Healthy volunteers
- Subjects with Montreal Cognitive Assessment score ≤24 or Frontal Assessment Battery score ≤14
- Subjects not able to perform Positron Emission Tomography or Magnetic Resonance Imaging
- Subjects presenting with neurologic, psychiatric or other severe medical condition
- Subjects treated with drugs or consuming recreative drugs specifically interfering with the serotoninergic, noradrenergic or opiate systems in the last 3 months
- Subjects presenting with substance dependence, except for tobacco
- Subjects with Body Mass Index ≥35kg/m2
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Parkinson's Disease patients
All study participants undergo functional imaging of the serotoninergic system with Positron Emission Tomography (PET) using [11 Carbon]-3-amino-4-(2-dimethylaminomethylphenylsulfanyl)-benzonitrile ([11C]-DASB) and [18 Fluorine]-altanserin ([18F]-altanserin). [11C] -DASB is a highly specific PET radiotracer which binds to the serotonin transporter (SERT). [18F]-altanserin is a highly specific PET radiotracer which specifically binds to the serotonin 5-hydroxytryptamine receptor 2A (5-HT2A) receptor. |
Imaging of the serotoninergic system with Positron Emission Tomography using [11 Carbon]-3-amino-4-(2-dimethylaminomethylphenylsulfanyl)-benzonitrile ([11C]-DASB) and [18 Fluorine]-altanserin ([18F]-altanserin). During this study, subjects will receive a single intravenous administration of approximately 4 Megabecquerel/kilogram (MBq/kg) of [11C]-DASB immediately prior to imaging using Positron Emission Tomography (PET). The effective dose in human body is about 2.1 milliSievert (mSv). On a separate day, subjects will receive a single intravenous administration of approximately 3.7 MBq/kg of [18F]-altanserin for 120 minutes prior to imaging using Positron Emission Tomography (PET). The effective dose in human body is about 8.4 mSv. |
Experimental: Imaging of healthy volunteers
All healthy volunteers undergo functional imaging of the serotoninergic system with Positron Emission Tomography (PET) using [18F]-altanserin. [18F]-altanserin is a highly specific PET radiotracer which specifically binds to the serotonin 5-hydroxytryptamine receptor 2A (5-HT2A) receptor. |
Imaging of the serotoninergic system with Positron Emission Tomography using [18 Fluorine]-altanserin ([18F]-altanserin).
During this study, subjects will receive a single intravenous administration of approximately 3.7 Megabecquerel/kilogram (MBq/kg) of [18F]-altanserin 120 minutes prior to imaging using Positron Emission Tomography.
The effective dose in human body is about 8.4 mSv.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Difference in binding potential of [18 Fluorine]-altanserin ([18F]-altanserin) and [11 Carbon]-3-amino-4-(2-dimethylaminomethylphenylsulfanyl)-benzonitrile ([11C]-DASB) ([11C]-DASB)
Time Frame: 2-3 days
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Between-group difference of binding potential of [18 Fluorine]-altanserin ([18F]-altanserin) and [11 Carbon]-3-amino-4-(2-dimethylaminomethylphenylsulfanyl)-benzonitrile ([11C]-DASB) ([11C]-DASB)
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2-3 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ardouin Scale of Behavior in Parkinson's Disease (ASBPD)
Time Frame: 2-3 days
|
The Ardouin Scale of Behavior in Parkinson's Disease (ASBPD) evaluates hypo- and hyperdopaminergic behaviors and can also detect and quantify neuropsychiatric fluctuations by evaluating OFF-drug dysphoria and ON-drug euphoria.
It is based on a semi-structured interview that encompasses the whole spectrum of behavioral spectrum from hypo-to hyperdopaminergic syndromes as well as non-motor fluctuations.
The scale consists of 18 items addressing non-motor symptoms, grouped in four parts: general psychological evaluation, apathy, non-motor fluctuations and hyperdopaminergic behaviors.
The rating in five points (0-4 from absent to severe) is carried out during a semi-structured interview.
Open-ended questions introduce each item, allowing patients to express themselves as freely as possible.
Close-ended questions permit the rating of severity and intensity.
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2-3 days
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Questionnaire For Impulsive-Compulsive Disorders In Parkinson's Disease-Rating Scale (QUIP-RS)
Time Frame: 2-3 days
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The Questionnaire For Impulsive-Compulsive Disorders In Parkinson's Disease-Rating Scale (QUIP-RS) is designed to measure severity of symptoms and support a diagnosis of impulse control disorders and related disorders in Parkinson's Disease (PD).
The QUIP-RS is administered with an instruction sheet that provides examples of the behaviors being assessed and a brief description of the categories for frequency (never [0] = not at all, rarely [1] = infrequently or 1 day/week, etc.).
Scores for each Impulsive Compulsive Disorder (ICD) and related disorder range from 0 to 16, with a higher score indicating greater severity (frequency) of symptoms.
The total QUIP-RS score for all ICDs and related disorders combined ranges from 0 to 112.
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2-3 days
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Urgency, Premeditation (lack of), Perseverance (lack of), Sensation Seeking Impulsive Behavior Scale (UPPS Impulsive Behavior Scale)
Time Frame: 2-3 days
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The full version of the UPPS-P Scale is composed of 59 items, with 10-14 items per scale. Items are scored on a 4-point scale: Agree Strongly = 1 Agree Some = 2 Disagree Some = 3 Disagree Strongly = 4 Higher values translate into higher levels of impulsivity. The results allow assessement of the patient according to five impulsive personality traits:
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2-3 days
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Movement Disorder Society (MDS) Unified Parkinson's Disease Rating Scale (MDS-UPDRS)
Time Frame: 2-3 days
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The MDS-UPDRS is composed of four parts, namely, I: Non-motor Experiences of Daily Living; II: Motor Experiences of Daily Living; III: Motor Examination; IV: Motor Complications and includes 65 items.
Each question has five responses that are linked to commonly accepted clinical terms: 0 = normal, 1 = slight, 2 = mild, 3 = moderate, and 4 = severe.
The overall progression of disability is given a score ranging from 0 = no disability 1= slight disability 2= moderate disability 3= high disability and 4= severe disability.
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2-3 days
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Beck Depression Inventory II (BDI-II)
Time Frame: 2-3 days
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The Beck Depression Inventory (BDI-II) is used to measure the severity of depression. It contains 21 questions, each answer being scored on a scale value of 0 to 3. Higher total scores indicate more severe depressive symptoms:
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2-3 days
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Starkstein Apathy Scale (SAS)
Time Frame: 2-3 days
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For this scale, patients are asked to answer 14 questions, each of which is scored on a 4-point scale of 0-3, and apathy is rated as more severe as the total score (0-42) increases.
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2-3 days
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State-Trait Anxiety Inventory -Y (STAI-Y)
Time Frame: 2-3 days
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The State-Trait Anxiety Inventory measures anxiety by assessing someone's state (S) and trait (T) anxiety at the same time.
Its combined format consists of 40 questions.
The S-Anxiety scale (STAI Form Y-1) consists of twenty statements that evaluate how the respondent feels "right now, at this moment".
The T- Anxiety scale (STAI Form Y-2) consists of twenty statements that evaluate how the respondent feels "generally".
In responding to the S-Anxiety scale, the subjects choose the number that best describes the intensity of their feelings: (1) not at all, (2) somewhat, (3) moderately, (4) very much so.
In responding to the T-Anxiety scale, subjects rate the frequency of their feelings on the following four-point scale: (1) almost never, (2) sometimes, (3) often, (4) almost always.
Each STAI item is given a weighted score of 1 to 4. Scores for both the S-Anxiety and the T-Anxiety scales can vary from a minimum of 20 to a maximum of 80 with higher scores correlating to higher anxiety.
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2-3 days
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Snaith-Hamilton Pleasure Scale (SHAPS)
Time Frame: 2-3 days
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The SHAPS measures the subject's ability to experience pleasure (hedonic tone) and its absence (anhedonia).
It consists of 14 items with 4 possible responses: Definitely Agree, Agree, Disagree, Definitely Disagree.
A score from 0- 14 is possible (1 point for each response in the Disagree category and 0 points for each response in the Agree category).
The higher the score the less the subject is able to experience pleasure.
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2-3 days
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Temporal Experience of Pleasure Scale (TEPS)
Time Frame: 2-3 days
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Measure specifically designed to capture the anticipatory and consummatory facets of pleasure.
It consists of 10 questions assessing anticipatory pleasure (TEPS-ANT) and 8 questions assessing consummatory pleasure (TEPS-CON) using a 6-point fixed choice response format ranging from 1 = very false for me to 6 = very true for me.
The higher the score for each section, the more the subject experiences anticipatory pleasure and consummatory pleasure, respectively.
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2-3 days
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Stop Signal Reaction Time (SSRT)
Time Frame: 2-3 days
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Stop Signal Task
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2-3 days
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Discounting rate
Time Frame: 2-3 days
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27-item Monetary Choice Questionnaire: for each question, patients will choose between two different monetary values (a high monitary value versus a low monitary value) in order to determine the patient's level of impulsiveness.
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2-3 days
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Proportion of premature responses
Time Frame: 2-3 days
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4 Choice Serial Reaction Time Task
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2-3 days
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Polymorphism rs6313 (or T102C) of the serotonin 5-Hydroxytryptamine 2A (5-HT2A) receptor
Time Frame: 2-3 days
|
Polymorphism rs6313 also called T102C or C102T is a gene variation, a single nucleotide polymorphism (SNP) in the human Hydroxytryptamine Receptor 2A (HTR2A) gene that codes for the 5-HT2A receptor.
The SNP is a synonymous substitution located in exon 1 of the gene where it is involved in coding the 34th amino acid as serine.
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2-3 days
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Polymorphism 5-HydroxyTryptamine (serotonin) Transporter Gene-Linked Polymorphic Region (5-HTTLPR)/rs25531 of the serotonin transporter (SERT)
Time Frame: 2-3 days
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Polymorphism 5-HydroxyTryptamine (serotonin) Transporter Gene-Linked Polymorphic Region (5-HTTLPR)/rs25531 of the serotonin transporter (SERT)
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2-3 days
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Magnetic Resonance Imaging metrics: anatomical imaging
Time Frame: 2-3 days
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Anatomical imaging using a T1-weighted Magnetization-Prepared RApid Gradient-Echo (T1_MPRAGE) sequence for morphometry.
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2-3 days
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Magnetic Resonance Imaging metrics: Diffusion Weighted imaging
Time Frame: 2-3 days
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Diffusion weighted imaging for Diffusion Tensor Imaging (DTI) and tractography
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2-3 days
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Magnetic Resonance Imaging metrics: Resting State Functional Imaging
Time Frame: 2-3 days
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Resting State Functional Imaging for functional connectivity
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2-3 days
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Stéphane THOBOIS, PhD, Hospices Civils de Lyon
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Pathologic Processes
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Parkinsonian Disorders
- Basal Ganglia Diseases
- Movement Disorders
- Synucleinopathies
- Neurodegenerative Diseases
- Disease
- Parkinson Disease
- Disruptive, Impulse Control, and Conduct Disorders
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Platelet Aggregation Inhibitors
- Protective Agents
- Serotonin Agents
- Serotonin Antagonists
- Cariostatic Agents
- Fluorides
- Ketanserin
- Altanserin
Other Study ID Numbers
- 69HCL18_0012
- 2019-000340-99 (EudraCT Number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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