Safety, Tolerability and Pharmacokinetics of Inhalative Administration of BIBN 4096 BS in Healthy Male and Female Volunteers

Inclusion criteria

• Participants should be healthy males and females
• Age range from 21 to 50 years
• (Broca-Index): within +-20% of their normal weight
• In accordance with Good Clinical Practice (GCP) and local legislation all volunteers are supposed to give their written informed consent prior to admission to the study
• As part of the screening (within 14 days before drug administration), each subject was to receive a complete medical examination (including blood pressure, pulse rate, medical history, documentation of demographics, inclusion/exclusion criteria and concomitant therapy) as well as a 12-lead Electrocardiogram (ECG) and a lung function test (Raw, SGaw). Moreover laboratory parameters (including drug screening, HBs-antigen (HBs-Ag), anti HBc-antibodies, anti HCV- antibodies and Human immunodeficiency virus (HIV) test as well as pregnancy test for female subjects are to be determined

Exclusion criteria

• Any finding of the medical examination (including blood pressure, pulse rate and ECG) deviating from normal and of clinical relevance
• Gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological or hormonal disorders
• Diseases of the central nervous system (such as epilepsy) or with psychiatric disorders or neurological disorders
• History of orthostatic hypotension, fainting spells or blackouts
• Chronic or relevant acute infections
• History of allergy/hypersensitivity (including drug allergy) which is deemed relevant to the trial as judged by the investigator
• Intake of a drug with a long half-life (> 24 hours) within at least 1 month or less than ten half-lives of the respective drug before enrolment in the study (except substitution therapy regarding thyroid gland/or ovaries)
• Use of any drugs which might influence the results of the trial within 1 week prior to administration or during the trial
• Participation in another study with an investigational drug within two months prior to administration or during the trial
• Smoker (> 10 cigarettes or > 3 cigars or > 3 pipes/day)
• Inability to refrain from smoking on study days
• Alcohol abuse (> 60g/day)
• Drug abuse
• Blood donation (>= 100 ml) within four weeks prior to administration or during the trial
• Excessive physical activities within the last week before the study
• Any laboratory value outside the reference range of clinical relevance

For female subjects:

• Pregnancy
• Positive pregnancy test
• No adequate contraception e.g. oral contraceptives, sterilization, intrauterine device (IUD)
• Inability to maintain this adequate contraception during the whole study period
• Lactation period