A Study On Human Mass Balance And Biotransformation

Study Overview
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Brief Summary
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This study will evaluate the absorption,metabolism and excretion of CBP-307 in healthy chinese male subjects.

Official Title
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A Clinical Study to Evaluate Absorption, Metabolism and Excretion of [14C] CBP-307 in Healthy Chinese Male Adult Subjects - Human Mass Balance and Biotransformation Study of [14C] CBP-307

Conditions
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Healthy Adult Subjects

Intervention / Treatment
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* Drug: CBP-307


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: A healthy male adult Age: 18 to 45 years old (inclusive) Weight: body mass index (BMI) is between 19 and 26 kg/m2(inclusive), and weight of no less than 50 kg Subjects who are willing to sign Informed Consent Form Subjects should be able to communicate well with the investigator and be able to complete the study in accordance with the protocol Exclusion Criteria: - Examinations: Any abnormal and clinically significant findings to physical examination, vital sign, routine laboratory tests (such as hematology, blood chemistry, blood coagulation function, urinalysis, fecal occult blood), thyroid function test, 12-lead ECG, chest CT, abdominal B-ultrasonography (liver, gallbladder, pancreas, spleen and kidney) and so on Heart rate at screening period < 60 bpm, or 12-lead ECG QTcF ≥450 msec Anyone has positive examination result of HBsAg/HBeAg, HCV antibody, HIV antibody and treponema pallidum antibody Screening for novel coronavirus infection: clinically significant abnormity of C-reactive protein, or positive novel coronavirus nucleic acid Medication history: Use of any drug that inhibits or induces the function of hepatic drug-metabolizing enzymes within 30 days prior to screening (see Appendix 1) Use of any prescription drugs, over-the-counter drugs, Chinese herbal medicines or food supplement such as vitamins, calcium supplement within 14 days prior to Screening Use of any investigational drug within 3 months, or the drug withdrawal is less than 6 half-lives (whichever is longer) prior to successful enrollment for dosing Medical history and surgery history: Any history of clinically serious disease, or presence of illness/condition that the investigator considers would affect the study results, including but not limited to the diseases of circulatory system, respiratory system, endocrine system, nervous system, digestive system, urinary system or history of blood, immune, mental and metabolic diseases History of organic heart disease, heart failure, myocardial infarction, angina pectoris, unexplained arrhythmia, torsade ventricular tachycardia, ventricular tachycardia, AV block, QT prolongation syndrome, or QT prolongation symptoms and family history, indicated by genetic evidence or sudden death of a close relative due to cardiac conditions at a young age Major surgery history or surgical incision does not completely heal within 6 months prior to the screening; Major surgery includes, but is not limited to, any subject with significant bleeding risk, prolonged general anesthesia, incision of a biopsy or significant traumatic injury Allergic constitution, such as a known history of allergies to two or more substances; or may be allergic to the investigational product or its excipients based on the investigator's judgment Suffering haemorrhoids or perianal disease with blood in the stool or regularly, irritable bowel syndrome, inflammatory bowel disease Life style: Subjects have habitual constipation or diarrhoea Subjects are alcoholism, or frequent alcohol consumption within six months prior to screening, which means drinking more than 14 units of alcohol every week (one unit alcohol equals 360 mL of beer, 45 mL of 40% alcohol or 150 mL of wine); or the alcohol breath test result is ≥20 mg/dl in screening Subjects have smoked more than 5 cigarettes per day in three months before screening, or habitual use of nicotine products, and who can not quit smoking during the study Abusing drug, using soft drugs such as marijuana three months prior to screening, or using hard drugs such as cocaine, amphetamine, phencyclidine, etc. one year prior to screening; or urine test for drugs is positive at screening Subjects have habitual drinking of grapefruit juice, excessive tea, coffee and/or caffeinated beverages, and who can not be abstained during the study Others: Subjects who have to work in radioactive conditions in long time, participated in radio-labeled drug clinical study or had significant radioactive exposure within one year before the study, no less than 2 times of chest/abdominal CT, or no less than 3 times of different types of X-ray exam Subjects with a history of fear of needles, hemophobia, difficulty in blood collection or inability to tolerate venipuncture blood collection; Subjects who plan to have children or donate sperm during the study period and within 1 year after completion of the study, or those who disagree to take strict contraceptive measures during the study or within 1 year after completion of the study for themselves or their spouses (see Appendix 3 for details) Subjects who received any vaccine within 4 weeks before screening, or plan to receive the vaccine during the study Subjects, who have had blood loss/donation up to 400 mL within 3 months, or received blood transfusion within 1 month prior to screening Subjects determined by the investigators to be unsuitable for participating in this study for any reasons

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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Male

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Other
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: CBP-307<br>Take CBP-307orally at 30 min ± 2 min after the start of high-fat breakfast intake | Drug: CBP-307<br>* CBP-307 capsules oral administration<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Maximum concentration (Cmax) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose | 
| Cumulative recovery of total radioactivity in urine or/and feces | Percentage of each metabolite in urine and feces to the administered dose (% of administered dose) or percentage of circulating metabolites in plasma to total exposure AUC (% AUC) | -24 to 0 hour predose to Day22 | 
| Time to Peak (Tmax) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose | 
| Area under the curve (AUC0-t and AUC0-inf) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose | 
| Elimination half-life (t1/2) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose | 
| Apparent Clearance (CL/F) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose | 
| Apparent Volume of Distribution (Vd/F) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose | 
| Mean Residence Time (MRT) | Ratio of total radioactivity in whole blood to that in plasma | Pre-dose and 1hour,2hour,4hour,6hour,7hour,8hour,10hour,12hour,24hour,48hour,72hour,96hour,120hour,144hour,168hour,216hour,264hour,312hour,360hour,408hour,456hour,504hour post-dose |