Healthy Clinical Trial
Official title:
Understanding the Lung Pharmacokinetics (PK) in Humans by Direct Sampling of Epithelial Lining Fluid (ELF) After Inhalation and Oral Administration of Model Drugs
Verified date | February 2019 |
Source | Fraunhofer-Institute of Toxicology and Experimental Medicine |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of the present study is to increase the general understanding of lung PK of selected compounds by sampling epithelial lining fluid ELF and lung tissue.
Status | Completed |
Enrollment | 21 |
Est. completion date | December 31, 2018 |
Est. primary completion date | December 31, 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 50 Years |
Eligibility |
Inclusion Criteria: - Male and female subjects, aged 18-50 years. Women will be considered for inclusion if they are: Not pregnant, as confirmed by pregnancy test (see flow chart), and not nursing. Of non-child bearing potential (i.e. physiologically incapable of becoming pregnant, including any female who is pre-menarchial or post-menopausal, with documented proof of hysterectomy or tubal ligation, or meets clinical criteria for menopause and has been amenorrhoeic for more than 1 year prior to the screening visit). Of childbearing potential and using a highly effective method of contraception during the entire study (vasectomised partner, sexual abstinence - the lifestyle of the female should be such that there is complete abstinence from intercourse from two weeks prior to the first dose of study medication until at least 72 hours after treatment -, implants, injectables, combined oral contraceptives, hormonal IUDs (Intrauterine devices) or double-barrier methods, i.e. any double combination of IUD, condom with spermicidal gel, diaphragm, sponge, and cervical cap). - Normal lung function with Forced Expiratory Volume in the first second (FEV1) predicted = 80% and FEV1/Forced Vital Capacity (FVC) > 70%. - Nonsmokers with a history of less than 1 pack year having been nonsmokers for at least the last five years - Body mass index between 18 and 32 kg/m² - Able and willing to give written informed consent. Exclusion Criteria: - Past or present disease, which as judged by the investigator, may affect the outcome of the study. These diseases include, but are not limited to, cardiovascular disease, malignancy, hepatic disease, renal disease, hematological disease, neurological disease, psychiatric disease, endocrine disease, infectious disease, inflammatory disease or pulmonary disease (including but not confined to asthma, tuberculosis, bronchiectasis or cystic fibrosis) - Regular intake of any prescribed or over the counter medication. Exceptions include paracetamol for pain relief, oral contraceptive medication, hormonal replacement therapy, dietary and vitamin supplements - Clinically relevant history of allergy as judged by the investigator - Intolerance or contraindications to medications applied as model drugs (e.g. hyperthyreosis) or for sedation during bronchoscopy - Infections of the lower respiratory tract within 4 weeks before visit 1, visit 2, or visit 3. These patients can be rescreened starting from visit 1. - Any clinically relevant abnormal findings in physical examination, clinical chemistry, hematology, urinalysis, vital signs, lung function, or ECG at Visit 1, which, in the opinion of the investigator, may either put the subject at risk because of participation in the study, or may influence the results of the study, or the subject's ability to participate in the study - History of drug or alcohol abuse - Risk of non-compliance with study procedures - Suspected inability to understand the protocol requirements, instructions and study-related restrictions, the nature, scope, and possible consequences of the study |
Country | Name | City | State |
---|---|---|---|
Germany | Fraunhofer Institute for Toxicology and Experimental Medicine | Hannover |
Lead Sponsor | Collaborator |
---|---|
Fraunhofer-Institute of Toxicology and Experimental Medicine | AstraZeneca |
Germany,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Maximum concentration of Salbutamol in the lung | Maximum concentration of Salbutamol in samples from bronchoscopy (bronchoadsorption, bronchial brushing, mucosal biopsy, Bronchoalveolar lavage (BAL)) | change from baseline to 1 hour and 24,5 hours post dose | |
Primary | Maximum concentration of Salmeterol in the lung | Maximum concentration of Salmeterol in samples from bronchoscopy (bronchoadsorption, bronchial brushing, mucosal biopsy, Bronchoalveolar lavage (BAL)) | change from baseline to 1 hour and 24,5 hours post dose | |
Primary | Maximum concentration of Fluticasone in the lung | Maximum concentration of Fluticasone in samples from bronchoscopy (bronchoadsorption, bronchial brushing, mucosal biopsy, Bronchoalveolar lavage (BAL)) | change from baseline to 1 hour and 24,5 hours post dose | |
Primary | Maximum concentration of Propranolol in the lung | Maximum concentration of Propranolol in samples from bronchoscopy (bronchoadsorption, bronchial brushing, mucosal biopsy, Bronchoalveolar lavage (BAL)) | change from baseline to 1 hour and 24,5 hours post dose | |
Secondary | Maximum concentration of Salbutamol in plasma | Maximum concentration of Salbutamol in plasma samples | change from baseline to 0,25 hour (h) 0,5 h, 1 h, 2 h, 4h, 8 h, 12 h, 24 h, 36 h, 48 h post dose | |
Secondary | Maximum concentration of Salmeterol in plasma | Maximum concentration of Salmeterol in plasma samples | change from baseline to 0,25 hour (h) 0,5 h, 1 h, 2 h, 4h, 8 h, 12 h, 24 h, 36 h, 48 h post dose | |
Secondary | Maximum concentration of Fluticasone in plasma | Maximum concentration of Fluticasone in plasma samples | change from baseline to 0,25 hour (h) 0,5 h, 1 h, 2 h, 4h, 8 h, 12 h, 24 h, 36 h, 48 h post dose | |
Secondary | Maximum concentration of Propranolol in plasma | Maximum concentration of Propranolol in plasma samples | change from baseline to 0,25 hour (h) 0,5 h, 1 h, 2 h, 4h, 8 h, 12 h, 24 h, 36 h, 48 h post dose |
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