Extended Release Amantadine Safety and Efficacy Study in Levodopa-Induced Dyskinesia (EASED Study)



Status:Completed
Conditions:Parkinsons Disease
Therapuetic Areas:Neurology
Healthy:No
Age Range:30 - 85
Updated:12/15/2017
Start Date:July 2011
End Date:October 2013

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This is a multi-center, randomized, double-blind, placebo-controlled, 4-arm parallel group
study to evaluate the tolerability and efficacy of each of three dose levels of ADS-5102 oral
capsules, an extended release formulation of amantadine, dosed once daily for the treatment
of levodopa-induced dyskinesia (LID) in subjects with Parkinson's disease (PD). The novel
pharmacokinetic profile of ADS-5102 is expected to achieve i) higher amantadine plasma
concentrations during daytime hours when dyskinesia as well as motor and non-motor symptoms
of PD are most problematic, ii) low amantadine plasma concentrations overnight, which may
reduce the sleep disturbances and vivid dreams occasionally associated with amantadine, and
iii) a reduced initial rate of rise in plasma concentration, which is expected to improve
overall tolerability of amantadine.


Inclusion Criteria:

- Signed a current IRB/IEC-approved informed consent form

- Parkinson's disease, per UK Parkinson's Disease Society (UKPDS) Brain Bank Clinical
Diagnostic Criteria

- On a stable regimen of antiparkinson's medications , including any levodopa
preparation administered not less than three times daily, and willing to continue the
same doses and regimens during study participation

- Experiencing troublesome dyskinesia following levodopa dosing (peak dose dyskinesia)

- Able to understand and complete a standardized PD home diary, following training

Exclusion Criteria:

- History of neurosurgical intervention related to Parkinson's disease (e.g. deep brain
stimulation)

- History of seizures or stroke/TIA within 2 years of screening

- History of cancer within 5 years of screening, except adequately treated
non-melanomatous skin cancers, localized bladder cancer, non-metastatic prostate
cancer or in situ cervical cancer

- Estimated GFR < 50 mL/min/1.73m2

- Presence of cognitive impairment, as evidenced by a Mini-Mental Status Examination
(MMSE) score of less than 24 during screening

- If female, is pregnant or lactating, or has a positive pregnancy test result pre-dose

- If a sexually active female, is not surgically sterile or at least 2 years
post-menopausal, or does not agree to utilize an effective method of contraception
from screening through at least 4 weeks after the completion of study treatment

- Treatment with an investigational drug or device within 30 days prior to screening

- Treatment with an investigational biologic within 6 months prior to screening
We found this trial at
33
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West Bloomfield, Michigan 48322
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West Bloomfield, MI
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Atlanta, GA
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Augusta, GA
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Boca Raton, FL
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Boston, MA
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Bradenton, FL
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Chicago, IL
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Des Moines, IA
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Durham, NC
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Fairfield, CT
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Fountain Valley, California 92708
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Fountain Valley, CA
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Houston, TX
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Kansas City, KS
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Kirkland, WA
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Long Beach, CA
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Los Angeles, CA
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Milwaukee, WI
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New York, NY
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Oxnard, CA
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Pasadena, CA
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Port Charlotte, FL
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Raleigh, NC
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Reseda, CA
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Richmond, VA
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Sun City, AZ
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Toledo, OH
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Toms River, NJ
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Tulsa, OK
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Ventura, CA
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Winfield, IL
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