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Generated: December 16, 2018

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CLINICAL TRIALS PROFILE FOR AMANTADINE HYDROCHLORIDE

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Clinical Trials for Amantadine Hydrochloride

Trial ID Title Status Sponsor Phase Summary
NCT00000301 Rapid Evaluation of Amantadine for Treatment of Cocaine Abuse/Dependence - 4 Completed National Institute on Drug Abuse (NIDA) Phase 2 The purpose of this study is to empirically test a series of medications to: 1) determine each medication's efficacy in treatment of cocaine abuse/dependence; 2) find most effective dose range for each medication. In this study, amantadine is tested."
NCT00000301 Rapid Evaluation of Amantadine for Treatment of Cocaine Abuse/Dependence - 4 Completed University of California, Los Angeles Phase 2 The purpose of this study is to empirically test a series of medications to: 1) determine each medication's efficacy in treatment of cocaine abuse/dependence; 2) find most effective dose range for each medication. In this study, amantadine is tested."
NCT00001930 Treatment of Huntington's Chorea With Amantadine Completed National Institute of Neurological Disorders and Stroke (NINDS) Phase 2 Huntington's disease is a chronic disorder passed on through genetic autosomal dominant inheritance. The condition usually begins between the ages of 30 and 50 years and it is characterized by involuntary movements in the face and extremities, (chorea), accompanied by changes in behavior and gradual loss of the mental function. The disease typically ends in a state of disorientation, impaired memory, judgement, and intellect (dementia). The objective of this study is to test the effectiveness of the drug amantadine for the treatment of chorea associated with Huntington's disease. Amantadine is an antiviral drug that has been used to treat a variety of illnesses including Parkinson's disease. Amantadine works by attaching to special sites called NMDA (N-methyl-D-aspartate) receptors and blocking the normal activity of glutamate there. Glutamate is an amino acid released by brain cells and has been associated with the symptoms of Parkinson's disease.
NCT00015249 Prepulse Inhibition of Startle in Cocaine Dependence - 7 Completed New York MDRU Phase 1 The purpose of this study is to assess the effects of chronic cocaine use on the acoustic startle response and on gating of this response in humans.
NCT00015249 Prepulse Inhibition of Startle in Cocaine Dependence - 7 Completed National Institute on Drug Abuse (NIDA) Phase 1 The purpose of this study is to assess the effects of chronic cocaine use on the acoustic startle response and on gating of this response in humans.
NCT00076674 Levetiracetam Treatment of L-dopa Induced Dyskinesias Completed National Institute of Neurological Disorders and Stroke (NINDS) Phase 2 This study will evaluate the effects of levetiracetam (Keppra (Trademark) on Parkinson's disease symptoms and on dyskinesias (involuntary movements) that develop as a result of long-term treatment with levodopa. Levetiracetam blocks certain protein receptors on brain cells and thus can change the spread of brain signals believed to be affected in patients with Parkinson's disease. Patients between 30 and 80 years of age with relatively advanced Parkinson's disease and dyskinesias due to levodopa therapy may be eligible for this 6-week study. Screening and baseline evaluation - Participants are evaluated with a medical history, physical examination and neurologic evaluation, blood tests, urinalysis, electrocardiogram (EKG), 24-hour holter monitor (heart monitoring), and cardiology consultation. A chest x-ray and MRI or CT scan of the brain are done if needed. If possible, patients stop taking all antiparkinsonian medications except levodopa (Sinemet) for one month (2 months if taking Selegiline) before the study begins and throughout its duration. (If necessary, patients may use short-acting agents, such as Mirapex, Requip or Amantadine.) Dose-finding phase - Patients are admitted to the NIH Clinical Center for 2 to 3 days for a levodopa "dose-finding" procedure. For this test, patients stop taking Sinemet and instead have levodopa infused through a vein. During the infusions, the drug dose is increased slowly until parkinsonian symptoms improve or unacceptable side effects occur or the maximum study dose is reached. Symptoms are monitored frequently. (Patients who have had dosing infusions in the last 3 months do not have to undergo this phase of the study.) Active study phase - Patients are randomly assigned to take levetiracetam or placebo ("sugar pill") twice a day for 6 weeks. At the end of weeks 1, 2 4, and 5, patients come to the clinic for blood tests, an EKG, and a review of adverse side effects. At the end of weeks 3 and 6, patients are hospitalized to study the response to treatment. They again stop taking Sinemet and selegiline and their ability to perform motor tasks is evaluated. They are then placed on an L-dopa infusion for 10 hours. Placebo may be infused at various times instead of L-dopa. Motor symptoms are evaluated several times during the infusion. Blood is drawn once during the infusion for research studies. Lumbar puncture - Patients undergo a lumbar puncture (spinal tap) at the end of weeks 1 and 4 to measure certain brain chemicals and drug levels. For this test, a local anesthetic is given and a needle is inserted in the space between the vertebrae in the lower back. About 2 tablespoons of fluid is collected through the needle. Magnetic resonance imaging (MRI) - Patients with changing disease activity may undergo MRIs at baseline, at the end of week 1 and at the end of the study to show changes in the brain. The patient lies in a narrow cylinder (the scanner) that uses radio waves and a magnetic field to produce images of the brain, which show structural and chemical changes. Follow-up - 2 weeks after the study ends, patients are contacted by phone for a review of side effects or they return to the clinic for an evaluation.
NCT00108667 Talampanel to Treat Parkinson's Disease Completed National Institute of Neurological Disorders and Stroke (NINDS) Phase 2 This study will evaluate the effects of the experimental drug talampanel on dyskinesias (involuntary movements) that develop in patients with Parkinson's disease as a result of long-term treatment with levodopa (Sinemet). The drug will be tested alone and in combination with amantadine-a drug commonly used to alleviate dyskinesias. Patients between 21 and 80 years of age with Parkinson's disease and dyskinesias may be eligible for this study. Screening and baseline evaluation. Participants are evaluated with a medical history, physical and neurologic examinations, blood and urine tests, electrocardiogram (EKG) and pregnancy test, if applicable. A chest x-ray and MRI or CT scan of the brain are done if needed. Patients stop taking all antiparkinsonian medications for one month (2 months if taking Selegiline) before the study begins and throughout its duration, except for certain medicines allowed, including Sinemet, Mirapex and Requip. Amantadine can be taken up to 1 week before beginning the study. Dose-finding phase. Patients are admitted to the NIH Clinical Center for 2 to 3 days for a levodopa "dose-finding" procedure. For this test, patients stop taking Sinemet and instead have it infused through a vein. During the infusions, the drug dose is increased slowly until parkinsonian symptoms improve or unacceptable side effects occur or the maximum study dose is reached. Symptoms are monitored frequently. At given times during the infusion, saline is given instead of Sinemet. The infusions usually begin in the early morning and continue until evening. Patients resume taking Sinemet between infusions. (Patients who have had dosing infusions in the last 3 months do not have to undergo this phase of the study.) After the dose-finding phase, patients are randomly assigned to take placebo (a "sugar pill") or talampanel. Those taking talampanel also receive amantadine at their usual dosages. At some point in the study, amantadine is replaced with placebo. Patients in the talampanel group also receive placebo for portions of the study. Active study phase. At study weeks 1, 5 and 7, patients are admitted to the Clinical Center overnight for a levodopa infusion with talampanel or placebo. The day before the infusion, patients have a brief physical examination, blood and urine tests, an EKG, and a review of symptoms or changes in their condition. The next day, they receive an infusion of levodopa at the dose determined in the dose-finding phase. Then they take a pill containing either talampanel or placebo. Their parkinsonian symptoms and dyskinesias are evaluated and videotaped every 30 minutes for about 6 hours. Blood is drawn and an EKG is obtained. At the end of the infusions and ratings, patients resume their regular Parkinson's medications and are given a new supply of study medications to take home. At weeks 2, 3, 4 and 6, patients come to the Clinical Center for a review of drug side effects. They have blood drawn and receive a new supply of study medications that last until the next visit. Follow-up. Two weeks after the study ends, patients are contacted by phone for a review of side effects or they return to the clinic for an evaluation.
Trial ID Title Status Sponsor Phase Summary

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Clinical Trial Conditions for Amantadine Hydrochloride

Condition Name

Condition Name for Amantadine Hydrochloride
Intervention Trials
Parkinson's Disease 14
Traumatic Brain Injury 7
Parkinson Disease 6
Multiple Sclerosis 6
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Condition MeSH

Condition MeSH for Amantadine Hydrochloride
Intervention Trials
Parkinson Disease 26
Dyskinesias 13
Multiple Sclerosis 10
Sclerosis 10
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Clinical Trial Locations for Amantadine Hydrochloride

Trials by Country

Trials by Country for Amantadine Hydrochloride
Location Trials
United States 295
Germany 40
Canada 20
France 18
Spain 9
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Trials by US State

Trials by US State for Amantadine Hydrochloride
Location Trials
California 17
Florida 16
North Carolina 16
Texas 16
New York 15
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Clinical Trial Progress for Amantadine Hydrochloride

Clinical Trial Phase

Clinical Trial Phase for Amantadine Hydrochloride
Clinical Trial Phase Trials
Phase 4 16
Phase 3 20
Phase 2/Phase 3 6
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Clinical Trial Status

Clinical Trial Status for Amantadine Hydrochloride
Clinical Trial Phase Trials
Completed 39
Recruiting 16
Terminated 12
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Clinical Trial Sponsors for Amantadine Hydrochloride

Sponsor Name

Sponsor Name for Amantadine Hydrochloride
Sponsor Trials
Adamas Pharmaceuticals, Inc. 8
Hoffmann-La Roche 5
Oregon Health and Science University 4
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Sponsor Type

Sponsor Type for Amantadine Hydrochloride
Sponsor Trials
Other 92
Industry 30
NIH 9
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