Drug Interactions Clinical Trial
Official title:
An Open-label Study in Healthy Male Subjects to Assess the Effect of Hyperthyroidism Mimicked by Oral Dosing of Levothyroxine on the Pharmacokinetics of Sorafenib
Verified date | October 2015 |
Source | Bayer |
Contact | n/a |
Is FDA regulated | No |
Health authority | Germany: Federal Institute for Drugs and Medical Devices |
Study type | Interventional |
To evaluate the effect of levothyroxine on the absorption, distribution, metabolization and elimination of sorafenib and safety in healthy male subjects
Status | Completed |
Enrollment | 25 |
Est. completion date | September 2015 |
Est. primary completion date | June 2015 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 18 Years to 45 Years |
Eligibility |
Inclusion Criteria: - Healthy male subjects between the ages of 18 (inclusive) and 45 years (inclusive) at the first screening visit. - Body mass index (BMI) between 18.5 (inclusive) to 30.0 kg / m² (inclusive) with body weight = 65kg. - Normal thyroid function indicated by thyroid examination to include total and free T3 (Triiodothyronine) , T4 (total and free Thyroxine, levothyroxine), TSH (Thyroid stimulating hormone), anti-TSH-receptor (anti-TSHR) antibody, anti-thyroperoxidase (anti-TPO) antibody, anti-thyroglobulin antibody (anti-ATA) as well as thyroid ultrasound. Exclusion Criteria: - History of clinically significant metabolic, renal, hepatic, or central nervous system disorder such as seizure, psychosis and sleep disorders. - History of cardiovascular diseases including arrhythmia, hypertension, ischemia, etc. - Known or suspected cardiovascular disease including potential risk of atrioventricular (AV) block, arrhythmia, etc. with or without a formal cardiologist consultation. - Subjects who had received iodine containing contrast medium within 2 months before first study drug administration. - Use of systemic or topical medicines or substances which might affect the study drug(s) must be avoided |
Allocation: Non-Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Bayer |
Germany,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Area under the concentration vs. time curve from zero to infinity after single (first) dose (AUC) of sorafenib | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | AUC from time 0 to the last data point > LLOQ (AUC(0-tlast))of Sorafenib and metabolite M-2 | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Maximum observed drug concentration in measured matrix after single dose administration (Cmax) of Sorafenib and metabolite M-2 | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Time to reach Cmax (in case of two identical Cmax values, the first tmax will be used) (Tmax Sorafenib) and metabolite M-2 | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Half-life associated with the terminal slope (t1/2) of Sorafenib and metabolite M-2 | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Apparent volume of distribution at steady state after extravascular administration (Vss/F) of Sorafenib | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Total body clearance of Sorafenib calculated after extravascular administration (CL/F) | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | AUC of metabolite M-2 | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Metabolite to parent AUC(0-tlast) ratios | Period 1 Day 1 and Period 2 Day 11: Predose and at 1, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 72 and 96 h post-dose | No | |
Secondary | Number of participants with adverse events as a measure of safety and tolerability | Up to 15 weeks | Yes |
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