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An open-label, one-sequence crossover clinical study to investigate the effects of Ojeoksan on the pharmacokinetics of Tylenol (acetaminophen) tablets in healthy male volunteers

An open-label, one-sequence crossover clinical study to investigate the effects of Ojeoksan on the pharmacokinetics of Tylenol (acetaminophen) tablets in healthy male volunteers

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
CRIS
Registry ID
KCT0002838
Enrollment
18
Registered
2018-05-02
Start date
2018-03-30
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

Drug : 1. Tylenol (acetaminophen) 500 mg / time, 3 times / day, 4 times in total: Day 1 to 2 2. Ojeoksan, 1 capsule / day, 3 times / day, total 17 times: Day 2 ~ 7 3. Tylenol (acetaminophen) 500mg / t

Sponsors

Kyung Hee University
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Age: >= 20 and <= 45 years (at time of informed consent) 2) Body Weight(kg): >= 50 and <= 90 and BMI [body weight (kg) / height (m)2]: more than >= 18.0 and <= 29.0 3) Subjects who have given their written informed consent 4) Subjects who are reliable and willing to make themselves available for the duration of the study and follow the study protocol

Exclusion criteria

Exclusion criteria: 1) History or clinical evidence of significant respiratory, cardiovascular, renal, gastrointestinal, hepatic, endocrine, hematologic, neurologic, psychiatric, or other chronic disease, alcoholism, or drug abuse 2) Present or previous significant drug allergy to any prescription (ex. celecoxib, sulfonamide, aspirin, other cyclo-oxygenase2 inhibitors, nonsteroidal antiinflammatory drugs or over-the-counter medication) 3) Use of the following medications or products during the periods specified below: - cytochrome P450 inducers or inhibitors, within one month prior to scheduled study drug administration - Any prescription drug, over-the-counter medication, or herbal medications within 14 days prior to scheduled study drug administration - Alcohol and caffeine within 3 days prior to scheduled study drug administration - Grapefruit or grapefruit products within 3 days prior to scheduled study drug administration 4) Participation in any other clinical trial within 12 weeks prior to scheduled study drug administration (measured from the final dosing day in the previous trial) 5) Donation of a unit of blood within two months, or of blood components within one month, or receipt of blood transfusion within one month before the first administration of the study drug 6) Subjects who test positive in serological tests and drug tests (serological tests for HBs antigen, HCV antibody, and HIV antibody; urine toxic screening for drug abuse) 7) Smokers or positive cotinine test result 8) Subjects who show the following results; - Blood pressure: low blood pressure (SBP = 90 mmHg or DBP = 60 mmHg), high blood pressure (SBP = 150 mmHg or DBP = 100 mmHg) at screening period - Liver function test: ALT, AST > 1.5 times of the upper limit of normal range 9) Alcohol abuse (regularly consuming > 21 units per week) and not stop drinking alcohol during the study period 10) Those with genetic problems such as galactose intolerance, lactose dehydrogenase deficiency or glucose-galactose uptake disorder 11. Subjects who have a condition known to interfere with the absorption of study drug 12. Otherwise judged by the investigator to be inappropriate for inclusion in the study 13. Subjects who does not read and clearly understand the information presented

Design outcomes

Primary

MeasureTime frame
Cmax of Acetaminophen;AUClast of Acetaminophen

Secondary

MeasureTime frame
AUCinf of Acetaminophen;Tmax of Acetaminophen

Countries

Korea, Republic of

Contacts

Public ContactYIM VIN

Kyung Hee University Hospital

jkr10237@naver.com+82-2-958-9765

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026