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This study consists of a single-dose pilot phase and a randomized, two-way crossover, single-dose main phase.The aim of this study is to evaluate the absolute bioavailability of the oral formulation (tablet) of ponesimod compared to an intravenous (i.v.) ponesimod formulation. Three subjects will be included in the pilot phase and 12 subjects in the main crossover phase.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Pilot Phase | Experimental | Subjects will receive a single intravenous (i.v.) dose of 5 mg ponesimod dissolved in 50 mL sterile 0.9% sodium chloride (NaCl) solution as a 3-hour infusion in the fasted state in the morning (infusion rate: 0.028 mg/min). |
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| Treatment A/Treatment B | Experimental | Subjects will receive Treatment A followed by Treatment B. Treatment A: a single i.v. dose of ponesimod administered in the fasted state in the morning. Treatment B: a single oral dose of ponesimod (10 mg) administered as 1 tablet in the fasted state in the morning. There will be a washout period between doses of 12-15 days. |
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| Treatment B/Treatment A | Experimental | Subjects will receive Treatment B followed by Treatment A. Treatment A: a single i.v. dose of ponesimod administered in the fasted state in the morning. Treatment B: a single oral dose of ponesimod (10 mg) administered as 1 tablet in the fasted state in the morning. There will be a washout period between doses of 12-15 days. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ponesimod 5mg i.v. | Drug |
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| Ponesimod i.v. |
| Measure | Description | Time Frame |
|---|---|---|
| Area under the plasma concentration-time curve (AUC(0-144h)) of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. AUC(0-144) will be calculated according to the linear trapezoidal rule using the measured concentration-time values above the limit of quantification. | 7 Days |
| Area under the plasma concentration-time curve (AUC(0-infinity)) of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. AUC(0-infinity) will be calculated by combining AUC(0-144) and AUC(extra). AUC(extra) represents an extrapolated value obtained by Ct/λz, where Ct is the last plasma concentration measured above the limit of quantification and λz represents the terminal elimination rate constant determined by log-linear regression analysis of the measured plasma concentrations of the terminal elimination phase. | 7 Days |
| Maximum plasma concentration (Cmax) of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. Cmax will be calculated on the basis of the blood sampling time points. | 7 Days |
| Plasma half life (t1/2) of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. t1/2 will be calculated on the basis of the blood sampling time points. | 7 Days |
| Time to maximum plasma concentration (tmax) after oral administration of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. tmax will be calculated on the basis of the blood sampling time points. |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline up to Day 7 in systolic blood pressure | Blood pressure (systolic and diastolic) and pulse rate will be measured using an automatic oscillometric device, always on the leading arm (i.e., leading arm = writing arm). Measurements will be recorded in the supine position after the subject has rested for a 5-minute period. | 7 Days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Daniela Baldoni, PharmD, PhD | Actelion | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Simbec Research Limited | Merthyr Tydfil | CF48 4DR | United Kingdom |
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| ID | Term |
|---|---|
| C550169 | ponesimod |
| D013607 | Tablets |
| ID | Term |
|---|---|
| D004304 | Dosage Forms |
| D004364 | Pharmaceutical Preparations |
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Dose and infusion rate will be adjusted according to the results of the pilot phase |
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| Ponesimod 10 mg tablet | Drug |
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| 7 Days |
| Total body clearance (CL) after intravenous administration of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. CL Total body clearance will be calculated as follows: CL = Dose / AUC(0-infinity). | 7 Days |
| Volume of distribution (Vss) after intravenous administration of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. Vss will be estimated by CL [(AUMC/AUC) - (infusion time/2)], where AUMC is the area under the first moment curve. | 7 Days |
| Absolute bioavailability (F) of after oral administration of ponesimod | Blood samples for pharmacokinetic analysis will be taken immediately prior to dosing with ponesimod, and at various time points up to 7 days after dosing. F will be calculated using the geometric means (as derived by the mixed effect model) of AUC(0-infinity). | 7 Days |
| Change from baseline up to Day 7 in diastolic blood pressure | Blood pressure (systolic and diastolic) and pulse rate will be measured using an automatic oscillometric device, always on the leading arm (i.e., leading arm = writing arm). Measurements will be recorded in the supine position after the subject has rested for a 5-minute period. | 7 Days |
| Change from baseline up to Day 7 in pulse rate | Blood pressure (systolic and diastolic) and pulse rate will be measured using an automatic oscillometric device, always on the leading arm (i.e., leading arm = writing arm). Measurements will be recorded in the supine position after the subject has rested for a 5-minute period. | 7 Days |
| Change from baseline up to Day 7 in heart rate | Heart rate will be determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting. | 7 Days |
| Change from baseline up to Day 7 in PR interval (time interval from the beginning of the P wave to the beginning of the QRS complex) | PR interval will be determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting. | 7 Days |
| Change from baseline up to Day 7 in QRS duration (time interval from the beginning of the Q wave to the end of the S wave) | QRS duration will be determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting. | 7 Days |
| Change from baseline up to Day 7 in QT interval (time interval from beginning of the Q wave until end of the T wave) | QT interval will be determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting. | 7 Days |
| Change from baseline up to Day 7 in QT interval according to Bazett's correction (QTcB) | QTcB interval will be determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting. The QTcB interval is the QT interval (interval from beginning of the Q wave until end of the T wave) corrected for heart rate with Bazett's formula (QTcB = QT/RR^0.5 where RR is 60/heart rate) | 7 Days |
| Change from baseline up to Day 7 in QT interval according to Fridericia's correction (QTcF) | QTcF interval will be determined from standard 12-lead electrocardiographs (ECGs) recorded in the supine position, after a 5-minute period of resting.The QTcF interval is the QT interval (interval from beginning of the Q wave until end of the T wave) corrected for heart rate with Fridericia's formula (QTcB = QT/RR^0.33 where RR is 60/heart rate) | 7 Days |
| Frequency of treatment-emergent ECG abnormalities from up to Day 7 | Treatment-emergent abnormalities will be determined from standard 12-lead ECGs recorded in the supine position, after a 5-minute period of resting. Treatment-emergent ECG abnormalities are any ECG abnormalities that occur up to 144 hours after each study drug administration. | 7 Days |