Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
132 participants
OBSERVATIONAL
2019-04-24
2022-03-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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CASE_ONLY
PROSPECTIVE
Study Groups
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Cohort 1 - Parkinson's Disease Participants
Volunteers will be women and men with early, untreated Parkinson disease.
No interventions assigned to this group
Cohort 2 - Control Participants
Participants will be women and men without PD.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
2. Subjects must have at least two of the following: resting tremor, bradykinesia, rigidity (must have either resting tremor or bradykinesia as one of two symptoms); OR either asymmetric resting tremor or asymmetric bradykinesia.
3. Screening dopamine transporter (DAT) SPECT scan is consistent with dopamine transporter deficit.
4. A diagnosis of Parkinson disease for 2 years or less at screening.
5. Modified Hoehn and Yahr stage \<=II at screening.
6. Not expected to require PD medication for at least 6 months from baseline (includes dopaminergics, MAO-B inhibitors, and anti-cholinergics used to treat PD-related symptoms).
7. Male or female age 30 years or older at time of PD diagnosis.
8. Female subjects of childbearing potential must agree to be using highly effective contraception within 30 days prior to DaTscan (e.g., oral contraceptives, a barrier method of birth control (e.g., condoms with contraceptive foam, diaphragm with contraceptive jelly), intrauterine device, partner with vasectomy or sexual abstinence).
9. Male subjects who are fertile and have a partner of childbearing potential must agree to use reliable contraception for 14 days following the administration of DaTscanTM (e.g., condoms with contraceptive foam or sexual abstinence).
10. Fluent in English and able to read.
11. Able to perform all study activities (including walking tasks and timed up and go)
12. Willingness and ability to comply with study requirements.
1. Able to give written informed consent, as determined by the investigator.
2. Male or female age 30 years or older at time of PD diagnosis.
3. Fluent in English and able to read.
4. Able to perform all study activities (including walking tasks and timed up and go)
5. Willingness and ability to comply with study requirements.
Exclusion Criteria
2. History of PD-related freezing episodes or falls.
3. A diagnosis of a significant CNS disease other than PD; history of repeated head injury; history of epilepsy or seizure disorder other than febrile seizures as a child that would interfere with ability to perform study assessments.
4. History of a brain magnetic resonance imaging (MRI) scan indicative of clinically significant abnormality as determined by the investigator.
5. Concomitant disease, condition, medication, or laboratory abnormality that, in the opinion of the investigator, could interfere with study conduct or analysis, or pose an unacceptable risk to the participant. This could include neurologic, orthopedic or cardiovascular diseases.
6. Has taken levodopa, dopamine agonists, MAO B inhibitors, amantadine, anticholinergics or other medication for the treatment of PD or tremor within 60 days prior to baseline, or for more than a total of 60 days.
7. Is taking medication for the treatment of tremor at the baseline visit. If taking medication for tremor at the screening visit, this medication must be stopped at least 14 days prior to baseline. If taking a tremor medication for another indication (e.g.
hypertension, neuropathy), the medication can be continued during the study.
8. For subjects taking any drugs that might interfere with dopamine transporter SPECT imaging (modafinil, bupropion, methylphenidate, neuroleptics, metoclopramide, alpha methyldopa, reserpine, or amphetamine derivative) must be willing and able from a medical standpoint to withhold the medication for at least 14 days prior to screening DaTscan imaging.
9. Montreal Cognitive Assessment (MoCA) score \< 24 at screening.
10. Is pregnant (or is planning to become pregnant during the study period) or lactating (includes a negative urine (or serum if required by site) pregnancy test on day of screening scan prior to injection of DaTscanTM
11. Known hypersensitivity to DaTscanTM or any of its excipients
12. Body habitus that would impede completion of DaTscanTM (subject weight above 158 kg should be discussed with the Clinical Monitor)
13. Resides in a nursing home or assisted care facility.
14. Use of investigational drugs (other than imaging agents) or devices (other than mobile/wearable devices used in this study) within 60 days or 5 half-lives of study agent prior to baseline and during the study period.
1. A diagnosis of atypical parkinsonism, drug-induced parkinsonism, essential tremor, primary dystonia or other diagnoses that explain symptoms other than PD.
2. History of PD-related freezing episodes or falls.
3. A diagnosis of a significant CNS disease other than PD; history of repeated head injury; history of epilepsy or seizure disorder other than febrile seizures as a child that would interfere with ability to perform study assessments.
4. History of a brain magnetic resonance imaging (MRI) scan indicative of clinically significant abnormality as determined by the investigator.
5. Concomitant disease, condition, medication, or laboratory abnormality that, in the opinion of the investigator, could interfere with study conduct or analysis, or pose an unacceptable risk to the participant. This could include neurologic, orthopedic or cardiovascular diseases.
6. Has taken levodopa, dopamine agonists, MAO B inhibitors, amantadine, anticholinergics or other medication for the treatment of PD or tremor within 60 days prior to baseline, or for more than a total of 60 days.
7. Is taking medication for the treatment of tremor at the baseline visit. If taking medication for tremor at the screening visit, this medication must be stopped at least 14 days prior to baseline. If taking a tremor medication for another indication (e.g. hypertension, neuropathy), the medication can be continued during the study.
8. Montreal Cognitive Assessment (MoCA) score \< 24 at screening.
9. Resides in a nursing home or assisted care facility.
10. Use of investigational drugs (other than imaging agents) or devices (other than mobile/wearable devices used in this study) within 60 days or 5 half-lives of study agent prior to baseline and during the study period.
11. Is pregnant (or is planning to become pregnant during the study period) or lactating.
30 Years
ALL
Yes
Sponsors
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Biogen
INDUSTRY
Takeda
INDUSTRY
University of Rochester
OTHER
Responsible Party
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Ray Dorsey
Professor
Principal Investigators
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Earl R Dorsey, MD MBA
Role: PRINCIPAL_INVESTIGATOR
University of Rochester
Locations
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Banner Sun Research Institute
Sun City, Arizona, United States
University of California San Francisco
San Francisco, California, United States
University of Colorado Denver
Aurora, Colorado, United States
University of South Florida
Tampa, Florida, United States
Northwestern University
Chicago, Illinois, United States
University of Michigan
Ann Arbor, Michigan, United States
Cleveland Clinic Nevada
Las Vegas, Nevada, United States
Northwell Health
Great Neck, New York, United States
NYU Langone Health
New York, New York, United States
University of Rochester
Rochester, New York, United States
University of Cincinnati
Cincinnati, Ohio, United States
University Hospitals Cleveland Medical Center
Cleveland, Ohio, United States
Oregon Health and Science University
Portland, Oregon, United States
University of Pennsylvania
Philadelphia, Pennsylvania, United States
Baylor College of Medicine
Houston, Texas, United States
Virginia Commonwealth University
Richmond, Virginia, United States
Sentara Clinical Research
Virginia Beach, Virginia, United States
Countries
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Other Identifiers
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WPD-01
Identifier Type: -
Identifier Source: org_study_id
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