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A Study to Evaluate the Mass Balance of 14C-Napabucasin in Healthy Adult Male Subjects

A Phase I, Open Label, Single Dose Study to Evaluate the Mass Balance of 14C-Napabucasin in Healthy Adult Male Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03525405
Enrollment
8
Registered
2018-05-15
Start date
2018-05-18
Completion date
2018-06-02
Last updated
2023-11-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ADME, Healthy

Brief summary

This is a Phase I, single-center, open-label, single-sequence, study evaluating the absorption, metabolism, and excretion of napabucasin in healthy adult male volunteers using a mixture 14C-radiolabeled and unlabeled material.

Interventions

Single 240 mg dose containing 100 μCi of 14C-napabucasin will be administered with 240 mL of water following an overnight fast.

Sponsors

Sumitomo Pharma America, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to 45 Years
Healthy volunteers
Yes

Inclusion criteria

1\. An Institutional Review Board (IRB) approved informed consent is signed and dated prior to any study-related activities. 2\. Subject is male. 3. Subject is between the ages of 18 and 45 years, inclusive at screening. 4. Subject has a body mass index between 18 and 34 kg/m\^2 (weight/\[height\]\^2) inclusive at screening. 5\. Subject has normal (or abnormal and clinically insignificant according to the Investigator) laboratory values at screening. 6. Subject is in good health, determined by no clinically significant findings from medical history, physical examination, 12-lead electrocardiogram (ECG), vital signs measurements, or clinical laboratory evaluations at Screening or Check-in Day -1 as assessed by the Investigator (or designee). Subject has the ability to understand the requirements of the study and a willingness to comply with all study procedures. 7\. Subject has not consumed and agrees to abstain from taking any dietary supplements, herbal products, and non-prescription drugs (except as authorized by the Investigator and Medical Monitor) for 14 days prior to clinical research unit (CRU) admission through follow-up call. 8\. Subject has not consumed and agrees to abstain from taking any prescription drugs (except as authorized by the Investigator and Medical Monitor) during the 14 days prior to CRU admission through follow-up call. 9\. Subject has not consumed alcohol-containing beverages for 3 days prior to CRU admission and agrees not to consume alcohol through clinic discharge. 10. Subject has not consumed char-broiled meats, cruciferous vegetables, and grapefruit-, apple-, or Seville orange-containing products within the 3 days prior to CRU admission and agrees not to consume Seville oranges, grapefruit and grapefruit juice through clinic discharge. 11\. Subject has not used tobacco- and nicotine-containing products within 2 months prior to the CRU admission and agrees to abstain from using tobacco- and nicotine-containing products through clinic discharge. 12\. Subject agrees to abstain from consuming caffeine- or xanthine-containing products from 3 days prior to CRU admission through clinic discharge. 13\. History of a minimum of 1 bowel movement per day

Exclusion criteria

1. Subject has a history of illicit drug abuse in the past year or displays current evidence of such abuse in the opinion of the Investigator. 2. Subject has positive findings on urine drug screen (including cotinine). 3. Subject is positive for human immunodeficiency virus (HIV), hepatitis B and/or hepatitis C on Screening assessments. 4. Subject has a QTcF \>450 msec at screening (confirmed by repeat). 5. Subject has a female partner who is either pregnant, nursing, or planning to become pregnant during the study or within 90 days after the last dose of the study drug, or unwilling to follow the contraception requirements. 6. Subject has a clinically significant acute illness within 1 week of CRU admission, or symptoms of active illness at check-in, at discretion of the Investigator (or designee). 7. Subject has a hypersensitivity or allergy to napabucasin or the ingredients of napabucasin, or other clinically significant allergies in the opinion of the Investigator. 8. Subject has donated plasma within 7 days of drug administration. 9. Subject has donated 1 or more pints of blood (or equivalent blood loss) within 30 days prior to drug administration. 10. Subject has a history of chronic Gastroesophageal reflux disease (GERD) or has used omeprazole or other proton pump inhibitors within 3 months of Screening. 11. Subject has congenital non-hemolytic hyperbilirubinemia \[e.g., Gilbert's syndrome\]. 12. Subject has any condition possibly affecting drug absorption (e.g., gastrectomy, cholecystectomy, or other gastrointestinal tract surgery, except appendectomy). 13. Subject has participated in an investigational drug study within 30 days or 5 half-lives (whichever is longer) of exposure to another investigational medication prior to CRU admission. 14. Subject is an employee of the Investigator or study center, with direct involvement in the proposed study or other studies under the direction of that Investigator or study center, or a family member of the employees or the Investigator. 15. Subjects with exposure to significant diagnostic or therapeutic radiation (e.g., serial Xray, computed tomography scan, barium meal) or employment in a job requiring radiation exposure monitoring within 12 months prior to check-in. 16. Subjects who have participated in a radiolabeled drug study where exposures are known to the Investigator within the previous 4 months prior to admission to the clinic for this study or participated in a radiolabeled drug study where exposures are not known to the Investigator within the previous 6 months prior to admission to the clinic for this study.

Design outcomes

Primary

MeasureTime frame
Pharmacokinetics for napabucasin and metabolites by assessing plasma concentration1 week
Pharmacokinetics for napabucasin and metabolites by assessing urinary concentrationUp to 12 days
Pharmacokinetics for napabucasin and metabolites by assessing fecal concentrationUp to 12 days

Secondary

MeasureTime frame
Number of Patients with Adverse Events4 weeks

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 22, 2026