NCT01570569

Brief Summary

The investigators objectives were developing mini dose five-drug cocktail regimen to evaluate potential drug-drug interactions associated with use of a cocktail of caffeine, losartan, omeprazole, dextromethorphan, and midazolam for simultaneous assessment of CYP1A2, CYP2C9, CYP2C19, CYP2D6, and CYP3A activities.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
26

participants targeted

Target at P25-P50 for phase_1 healthy

Timeline
Completed

Started Jan 2011

Shorter than P25 for phase_1 healthy

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2011

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2011

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

December 6, 2011

Completed
4 months until next milestone

First Posted

Study publicly available on registry

April 4, 2012

Completed
Last Updated

April 4, 2012

Status Verified

April 1, 2012

Enrollment Period

2 months

First QC Date

December 6, 2011

Last Update Submit

April 1, 2012

Conditions

Keywords

Volunteers

Outcome Measures

Primary Outcomes (1)

  • Cmax, AUC

    0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12 hours post-dose

Study Arms (5)

Omeprazole

ACTIVE COMPARATOR
Drug: OmeprazoleDrug: Cocktail

Losartan

ACTIVE COMPARATOR
Drug: LosartanDrug: Cocktail

Dextromethorphan

ACTIVE COMPARATOR
Drug: DextromethorphanDrug: Cocktail

Caffeine

ACTIVE COMPARATOR
Drug: CocktailDrug: Caffeine

Midazolam

ACTIVE COMPARATOR
Drug: CocktailDrug: Midazolam

Interventions

Thirteen healthy male subjects were given oral doses of 200 μg omeprazole, 2 mg losartan and 2 mg dextromethorphan individually and in combination of five drugs (cocktail) every other days.

Also known as: The drug was made by Yuhan corp., The drug was exclusively made for this study.
Omeprazole

Thirteen healthy male subjects were given oral doses of 200 μg omeprazole, 2 mg losartan and 2 mg dextromethorphan individually and in combination of five drugs (cocktail) every other days.

Also known as: The drug was made by Yuhan corp., The drug was exclusively made for this study.
Losartan

Thirteen healthy male subjects were given oral doses of 200 μg omeprazole, 2 mg losartan and 2 mg dextromethorphan individually and in combination of five drugs (cocktail) every other days.

Also known as: The drug was made by Yuhan corp., The drug was exclusively made for this study.
Dextromethorphan

Group A : Thirteen healthy male subjects were given oral doses of 200 μg omeprazole, 2 mg losartan and 2 mg dextromethorphan individually and in combination of five drugs (cocktail) every other days. Group B : Thirteen healthy male subjects received 100 μg midazolam and 2 mg caffeine individually followed by five-drugs cocktail every two days.

Also known as: All of the drugs were made by Yuhan corp., All of the drugs were exclusively made for this study.
CaffeineDextromethorphanLosartanMidazolamOmeprazole

Thirteen healthy male subjects received 100 μg midazolam and 2 mg caffeine individually followed by five-drugs cocktail every two days.

Also known as: The drug was made by Yuhan corp., The drug was exclusively made for this study.
Midazolam

Thirteen healthy male subjects received 100 μg midazolam and 2 mg caffeine individually followed by five-drugs cocktail every two days.

Also known as: The drug was made by Yuhan corp., The drug was exclusively made for this study.
Caffeine

Eligibility Criteria

Age20 Years - 50 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy male subject whose CYP2C9, CYP2C19, CYP2D6 genotype was determined

You may not qualify if:

  • Subject who has abnormal laboratory test results

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

OmeprazoleLosartanDextromethorphanMidazolamCaffeine

Intervention Hierarchy (Ancestors)

2-PyridinylmethylsulfinylbenzimidazolesSulfoxidesSulfur CompoundsOrganic ChemicalsPyridinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsBenzimidazolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingBiphenyl CompoundsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsImidazolesAzolesTetrazolesMorphinansOpiate AlkaloidsAlkaloidsHeterocyclic Compounds, Bridged-RingHeterocyclic Compounds, 4 or More RingsPhenanthrenesPolycyclic Aromatic HydrocarbonsPolycyclic CompoundsBenzodiazepinesBenzazepinesXanthinesPurinonesPurines

Study Officials

  • Jae Gook Shin, MD, PhD

    Inje University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Department of Pharmacology and Pharmacogenomics Research Center

Study Record Dates

First Submitted

December 6, 2011

First Posted

April 4, 2012

Study Start

January 1, 2011

Primary Completion

March 1, 2011

Study Completion

March 1, 2011

Last Updated

April 4, 2012

Record last verified: 2012-04