Partial Seizure Clinical Trial
Official title:
An Open Label, Balanced, Randomized, 3×3 Latin Square Design Comparing of Brivaracetam Sustained-release Tablets and Brivaracetam Tablets in the Oral Comparative Pharmacokinetic(PK) Study in Chinese Healthy Adult Subjects Under Fasting Conditions.
An open label, balanced, randomized, 3×3 latin square design comparing of Brivaracetam sustained-release tablets and Brivaracetam tablets in the oral comparative pharmacokinetic(PK) study in Chinese healthy adult subjects under fasting conditions. Test preparation A(T1): Brivaracetam sustained-release tablets (100mg/ tablet, developed by Taizhou Overseas Pharmaceuticals Co.,Ltd.) Test preparation B(T2): Brivaracetam sustained-release tablets (50mg/ tablet, developed by Taizhou Overseas Pharmaceuticals Co.,Ltd.) Reference preparation (R): Brivaracetam tablets (50mg/ tablet, BRIVIACT®, UCB) Objective: The sustained-release tablets of Brivaracetam (specification: 100mg) developed by Taizhou Overseas Pharmaceuticals Co.,Ltd. were used as the test preparation A(T1), the sustained-release tablets of Brivaracetam (specification: 50mg) were used as the test preparation B(T2), and the Brivaracetam tablets (trade name: BRIVIACT®, specification: 50mg) produced by UCB were used as the reference preparation (R). To compare the blood concentration and main pharmacokinetic parameters between test preparation A(T1) and test preparation B(T2), between test preparation A(T1) and reference preparation, and between test preparation B(T2) and reference preparation, and evaluate the relative bioavailability and sustained release characteristics of test preparation. Objective: To evaluate the safety of China healthy volunteers after oral administration of sustained-release tablets of test preparation A(T1) and B(T2) and reference preparation (R) Brivaracetam tablets on an empty stomach.
Single-center, randomized, open, 3×3 Latin square design, and administration on an empty stomach. All subjects must sign an informed consent form before taking part in the trial. 12 healthy subjects (half male and half female) who passed the screening were randomly divided into three groups: T1-T2-R group, T2-R-T1 group and R-T1-T2 group, with 4 people in each group. The selected subjects entered the first ward of the clinical research center one day before taking medicine in each cycle, and fasted for more than 10 hours before taking medicine in each cycle. On the morning of taking medicine in each cycle, after the collection of blank blood samples, the corresponding study drugs were taken according to the random table, and 240mL of warm water was taken. Eat standard lunch after 4h of the first administration, eat standard dinner after 10h, and drink water before and within 1h after the first administration (except 240mL of water used for administration). During the experiment, a unified diet is required. The test method is the same for each cycle, and the cleaning period for each cycle is 7 days. PK blood collection and blood sample treatment: For test preparation A(T1) and test preparation B(T2): Before administration (0h) and 5min、10min、20min、40min、1h、1.25h、1.5h、1.75h、2h、2.5h、3h、3.5h、4h、4.5h、5h、5.5h、6h、7h、8h、10h、12h、1 6h、24h、36h、48h,Blood samples were collected at 26 time points. For the reference preparation (R): Before (0h) and after 5min、10min、20min、40min、1h、1.25h、1.5h、1.75h、2h、2.25h、2.5h、3h、4h、6h、8h、10h、12h、12.25h、12.5h、12. 75h、13h、13.25h、13.5h、13.75h、14h、14.5h、15h、16h、18h、24h、36h、48h，Blood samples were collected at 33 time points. The sitting vital signs (including body temperature, pulse and blood pressure) of the subjects were measured within 1 hour before the first administration and 2.0h±0.5h, 4.0h±0.5h, 24±1.0h and 48±1.0h after administration. In the third cycle, the subjects were examined for safety before leaving the hospital, including physical examination, vital signs examination, electrocardiogram and laboratory related examination. During the study, pay attention to observe and ask the subjects' subjective feelings and possible adverse events during the experiment. All the subjects were followed up by telephone or WeChat 7~10 days after the end of the third cycle, and asked if there were any follow-up adverse events. In case of AE, AE should be recorded and followed up. If AE occurs during the trial, it needs to be followed up until the AE returns to normal or stable state or abnormal, which has no clinical significance or is lost. ;
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