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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01550484
Registration number
NCT01550484
Ethics application status
Date submitted
6/03/2012
Date registered
12/03/2012
Date last updated
9/02/2017
Titles & IDs
Public title
A Trial of 18F-AV-133 Positron Emission Tomography (PET) Imaging to Differentiate Subjects With Parkinson's Disease (PD) From Other Movement Disorders
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Scientific title
An Open Label, Multicenter Study, Evaluating the Safety and Efficacy of 18F-AV-133 PET Imaging to Identify Subjects With Dopaminergic Degeneration Among Subjects Presenting to a Movement Disorders Specialty Clinic With an Uncertain Diagnosis
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Secondary ID [1]
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18F-AV-133-B04
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Parkinson's Disease
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Primary Parkinsonism
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Lewy Body Parkinson's Disease
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Condition category
Condition code
Neurological
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Parkinson's disease
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Neurological
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Other neurological disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - 18F-AV-133
Treatment: Drugs: 18F-AV-133
222 MBq (6 mCi)
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Sensitivity of visual read of AV-133 PET scan vs. standard of truth
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Assessment method [1]
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Sensitivity will be calculated as the percent of true positives which are correctly identified
An expert, consensus diagnosis of PD performed by a panel of movement disorders specialists will be used as the standard of truth.
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Timepoint [1]
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18 months
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Primary outcome [2]
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Specificity of visual read of AV-133 PET scan vs. standard of truth
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Assessment method [2]
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Specificity will be calculated as the percent of true negatives which are correctly identified.
An expert, consensus diagnosis of PD performed by a panel of movement disorders specialists will be used as the standard of truth.
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Timepoint [2]
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18 months
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Secondary outcome [1]
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Inter-rater reliability of the visual read
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Assessment method [1]
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Fleiss' kappa
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Timepoint [1]
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18 months
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Secondary outcome [2]
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Intra-rater reliability of the visual read
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Assessment method [2]
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Intra-class kappa
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Timepoint [2]
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18 months
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Secondary outcome [3]
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Probability of progressive motor skill impairment
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Assessment method [3]
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Compare rates of progressive impairment using PD rating scale in subjects with positive AV-133 PET scan vs. progressive impairment in subjects with negative AV-133 PET scan
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Timepoint [3]
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18 months
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Eligibility
Key inclusion criteria
* Males or females = 40 years of age;
* Presenting (within the last 3 months) for an initial evaluation to a movement disorders specialist with signs or symptoms suggestive of a movement disorder;
* The subject's signs or symptoms were previously evaluated by a physician who was not a movement disorders specialist during the previous six months;
* Absence of an established clinical movement disorder diagnosis;
* Symptoms mild in intensity, this includes Hoehn & Yahr = 2 (Exceptions are allowed for subjects who meet criteria for Hoehn & Yahr stage 3 due to early onset of postural instability and/or gait impairment out of proportion to his/her other Parkinson signs and symptoms);
* Montreal Cognitive Assessment (MoCA) score = 22;
* Can tolerate imaging visit procedures; and
* Provide written informed consent prior to study entry.
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Minimum age
40
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Have been referred to the movement disorders clinic primarily for the purpose of disease management (no diagnostic uncertainty exists on the part of the non-specialist or referring physician);
* Have a previous movement disorder diagnosis given by a movement disorders specialist prior to the time of enrollment;
* Have received a total of more than 90 days treatment with dopaminergic medications, including direct dopamine agonists or precursors (levodopa) or have received a total of more than 180 days treatment with MAO-B inhibitors, amantadine, anticholinergics or primidone or beta-blockers prescribed for treatment of tremor or signs of parkinsonism;
* Have had a sustained and clinically meaningful response to anti-parkinsonian medications;
* Are currently taking or have taken MAO-B inhibitors in the past 4 weeks;
* Have a known CNS structural lesion such as stroke or tumor that likely accounts for their symptoms;
* Have clinically meaningful cognitive impairment or dementia (mild cognitive problems as might be expected in the earliest stages of PD are not exclusionary);
* Have current clinically significant cardiovascular disease or clinically important abnormalities on screening ECG (including but not limited to QTc > 450 msec);
* Are currently taking medications that are known to cause QT-prolongation;
* Are currently taking medications with narrow therapeutic windows (e.g. warfarin or other anticoagulant therapies);
* Are currently taking tetrabenazine (TBZ), amphetamine type drugs;
* Have a current clinically significant endocrine or metabolic disease, pulmonary, renal or hepatic impairment, or cancer (excluding localized basal cell carcinoma and in situ prostate cancer) that would interfere with completion of the study;
* Have a recent history (within the past year) of alcohol or substance abuse or dependence;
* Are females of childbearing potential who are not surgically sterile, not refraining from sexual activity or not using reliable contraception. Females must not be pregnant (negative serum beta-hCG at the time of screening and negative urine beta-hCG on the day of imaging), must not be breastfeeding at screening, must avoid becoming pregnant and use adequate contraceptive methods for 14 days prior to and 24 hours after administration of 18F-AV-133 for injection;
* Have had prior intracranial surgery; and
* Are receiving any investigational medications, or have participated in a trial with investigational medications within the last 30 days.
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people assessing the outcomes
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Intervention assignment
Single group
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/04/2012
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/03/2016
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Sample size
Target
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Accrual to date
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Final
170
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Research Site - Sydney
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Recruitment postcode(s) [1]
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2109 - Sydney
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Recruitment outside Australia
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United States of America
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Arizona
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Connecticut
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Kansas
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Louisiana
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Maryland
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Massachusetts
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Missouri
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Nevada
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Ohio
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Pennsylvania
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Rhode Island
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United States of America
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Texas
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Avid Radiopharmaceuticals
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to determine whether 18F-AV-133 PET scans can be used to differentiate subjects with Parkinson's Disease from other movement disorders.
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Trial website
https://clinicaltrials.gov/study/NCT01550484
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Chief Medical Officer
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Address
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Avid Radiopharmaceuticals
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Phone
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Fax
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Email
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Contact person for public queries
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Address
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT01550484
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