Pharmacokinetic-pharmacodynamic Interaction Between BIA 3-202 and Levodopa/Carbidopa
Parkinson's Disease
About this trial
This is an interventional treatment trial for Parkinson's Disease
Eligibility Criteria
Inclusion Criteria:
Subjects were eligible for entry into the study if they fulfilled the following inclusion criteria:
- Male or female subjects aged between 18 and 45 years, inclusive.
- Subjects of body mass index (BMI) between 19 and 30 kg/m2, inclusive.
- Subjects who were healthy as determined by pre-study medical history, physical examination, vital signs, complete neurological examination and 12-lead ECG.
- Subjects who had clinical laboratory test results clinically acceptable at screening and admission to first treatment period.
- Subjects who had negative tests for HBsAg, anti-HCVAb and HIV-1 and HIV-2 Ab at screening.
- Subjects who had a negative screen for alcohol and drugs of abuse at screening and admission to each treatment period.
- Subjects who were non-smokers or who smoked ≤ 10 cigarettes or equivalent per day.
- Subjects who were able and willing to give written informed consent.
- (If female) She was not of childbearing potential by reason of surgery or, if of childbearing potential, she used one of the following methods of contraception: double barrier, intrauterine device or abstinence.
- (If female) She had a negative urine pregnancy test at screening and admission to each treatment period.
Exclusion Criteria:
Subjects were not eligible for entry into the study if they fulfilled the following exclusion criteria:
- Subjects who did not conform to the above inclusion criteria, or
- Subjects who had a clinically relevant history or presence of respiratory, gastrointestinal, renal, hepatic, haematological, lymphatic, neurological, cardiovascular, psychiatric, musculoskeletal, genitourinary, immunological, dermatological, endocrine, connective tissue diseases or disorders.
- Subjects who had a clinically relevant surgical history.
- Subjects who had a clinically relevant family history.
- Subjects who had a history of relevant atopy.
- Subjects who had a history of relevant drug hypersensitivity.
- Subjects who had a history of glaucoma.
- Subjects who had a history of alcoholism or drug abuse.
- Subjects who consumed more than 21 units of alcohol a week.
- Subjects who had a significant infection or known inflammatory process on screening or first admission.
- Subjects who had acute gastrointestinal symptoms at the time of screening or first admission (e.g., nausea, vomiting, diarrhoea, heartburn).
- Subjects who had used medicines within 2 weeks of first admission that, in the opinion of the investigator, may affect the safety or other study assessments.
- Subjects who had used any investigational drug or participated in any clinical trial within 2 months of their first admission.
- Subjects who had donated or received any blood or blood products within the previous 2 months prior to screening.
- Subjects who were vegetarians, vegans or have medical dietary restrictions.
- Subjects who could not communicate reliably with the investigator.
- Subjects who were unlikely to co-operate with the requirements of the study.
- Subjects who were unwilling or unable to give written informed consent.
- (If female) She was pregnant or breast-feeding.
- (If female) She was of childbearing potential and she did not use an approved effective contraceptive method (double-barrier, intra-uterine device or abstinence) or she used oral contraceptives.
Sites / Locations
- Human Pharmacology Unit
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Placebo Comparator
Nebicapone 50 mg
Nebicapone 100 mg
Nebicapone 200 mg
Placebo
1 tablet of 50 mg plus 3 tablets of placebo concomitantly with 1 tablet of Sinemet® CR 200/50 (levodopa 200 mg / carbidopa 50 mg)
2 tablets of 50 mg plus 2 tablets of placebo concomitantly with 1 tablet of Sinemet® CR 200/50 (levodopa 200 mg / carbidopa 50 mg)
4 tablets of 50 mg concomitantly with 1 tablet of Sinemet® CR 200/50 (levodopa 200 mg / carbidopa 50 mg)
4 tablets concomitantly with 1 tablet of Sinemet® CR 200/50 (levodopa 200 mg / carbidopa 50 mg)