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Safety and Pharmacokinetic Effects of Oseltamivir Alone or in Combination With Amantadine

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00416962
Recruitment Status : Completed
First Posted : December 28, 2006
Last Update Posted : November 30, 2007
Hoffmann-La Roche
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Brief Summary:
This study is designed to assess the safety and pharmacokinetic effects of oseltamivir administration alone or in combination with amantadine in healthy volunteers.

Condition or disease Intervention/treatment Phase
Healthy Drug: amantadine hydrochloride Drug: oseltamivir phosphate Phase 1

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Study Type : Interventional  (Clinical Trial)
Enrollment : 18 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: An Open-Label, Multiple Dose, Randomized, Three-Period Crossover Study in Healthy Volunteers to Evaluate the Effect of co-Administration of Amantadine 100 mg BID and Oseltamivir 75 mg BID on the Pharmacokinetic Properties of Amantadine and Oseltamivir.
Study Start Date : August 2006
Actual Study Completion Date : December 2006

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. To characterize the pharmacokinetics of amantadine following twice daily administration alone or in combination with twice daily oseltamivir in healthy volunteers.
  2. To characterize the pharmacokinetics of oseltamivir following twice daily administration alone or in combination with twice daily amantadine in healthy volunteers.

Secondary Outcome Measures :
  1. To assess the safety and tolerability of twice daily oseltamivir and twice daily amantadine when given alone and when given in combination.

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy male or female subjects aged 18 to 45 years, and in good health as determined by past medical history, physical examination, vital signs, electrocardiogram, and laboratory tests
  • Vital signs within the following ranges:

    • oral body temperature 35.0 - 37.5°C
    • systolic blood pressure 90 - 140 mm Hg
    • diastolic blood pressure 50 - 90 mm Hg
    • pulse rate 40 - 90 bpm
  • Female subjects of child bearing potential must be using double-barrier local contraception (for example, intra-uterine device plus condom, or spermicidal gel plus condom) or have been surgically sterilized at least 6 months prior before study start, with supportive clinical documentation OR Postmenopausal women must have no regular menstrual bleeding for at least 1 year prior to inclusion.
  • Body mass index must be within 18 - 30 kg/m2. Subjects must weigh at least 50 kg.

Exclusion Criteria:

  • Smokers (use of tobacco products in the previous 3 months). Smokers will be defined as those who report tobacco use or have a urine cotinine greater than 500 ng/mL
  • Female subjects who are pregnant or lactating
  • Participation in any clinical investigation involving medical intervention within 4 week prior to study start.
  • Donation or loss of ≥ 400 mL of blood within 8 weeks prior to study start, or longer if required by local regulation.
  • Significant illness within 2 weeks before study start.
  • A past personal or close family medical history of clinically significant ECG abnormalities or of a prolonged QT-interval syndrome.
  • History of autonomic dysfunction (for example, history of fainting).
  • History of acute or chronic bronchospastic disease (including asthma and chronic obstructive pulmonary disease, treated or untreated),
  • History of clinically significant drug allergy or history of atopic allergy (asthma, urticaria, eczematous dermatitis). A known hypersensitivity to the study drug or to similar drugs.
  • Any surgical or medical condition which might significantly alter the absorption, distribution, metabolism or excretion of drugs, or which may jeopardize the subject in case of participation in the study, including bowel, gastrointestinal, renal, pancreatic, hepatic, hematological, immunological, or neurological disorders.

Other protocol-defined inclusion/exclusion criteria may apply

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00416962

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United States, New Jersey
Novartis Investigative Site
East Hanover, New Jersey, United States, 07936-1080
Sponsors and Collaborators
Hoffmann-La Roche
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Principal Investigator: Novartis Investigator site
Publications automatically indexed to this study by Identifier (NCT Number):
Layout table for additonal information Identifier: NCT00416962    
Other Study ID Numbers: CSYO380A2101
First Posted: December 28, 2006    Key Record Dates
Last Update Posted: November 30, 2007
Last Verified: November 2007
Keywords provided by Novartis:
Oseltamivir, amantidine, Symmetrel, Tamiflu
Additional relevant MeSH terms:
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Antiviral Agents
Anti-Infective Agents
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Antiparkinson Agents
Anti-Dyskinesia Agents
Dopamine Agents
Neurotransmitter Agents
Physiological Effects of Drugs
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents