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Using the chemicals in the human body to predict the optimal dose of orally administered anticancer drugs.

An investigation of the proportional change in plasma concentration of endogenous compounds relative to a pathway probe for CYP3A4 (midazolam) when administered with and without enzyme inducers and inhibitors, in healthy adult volunteers.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12614001289606
Acronym
EPOC-15
Enrollment
78
Registered
2014-12-10
Start date
2015-07-28
Completion date
Unknown
Last updated
2020-01-13

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

Conditions

None listed

Brief summary

Identify an endogenous metabolic phenotype for the enzyme CYP3A4 that can be used as a component of a pathway phenotyping panel to optimise anticancer drug dosing

Interventions

Administration of a single dose of midazolam (1mg; oral tablet) on three occasions on study days 0,7 and 14. Administration of rifampicin 300mg oral tablet once daily for 7 days on study days 1 to 7. Administration of ciprofloxicin 250mg oral tablet twice daily for three days on study Days 11 to 13 .

Sponsors

Flinders University
Lead SponsorUniversity

Study design

Allocation
Non-randomised trial
Primary purpose
Diagnosis

Eligibility

Sex/Gender
Male
Age
21 Years to 35 Years
Healthy volunteers
Yes

Inclusion criteria

Healthy Non-smoker BMI in the range 18 to 30

Exclusion criteria

1. Use of prescription, over-the-counter, complimentary or recreational drugs during seven days prior and for the duration of the study. Paracetamol is permitted. 2. Current cigarette smoker. 3. Consumption of grapefruit juice in the period 48 hours prior and for the duration of the study. 4. Prior allergy or adverse reaction to any of the drugs used in the study.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026