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Evaluation of the Effect of Multiple Dosing With BI 201335 on CYP2B6 Metabolism and Effect of Multiple Dosing With Efavirenz on the Steady-state Pharmacokinetics of BI 201335 and on CYP3A4/5 Metabolism in Healthy Volunteers

Phase 1
Completed
Conditions
Healthy
Interventions
Drug: low dose
Drug: normal dose
Registration Number
NCT01371006
Lead Sponsor
Boehringer Ingelheim
Brief Summary

Obtain interaction data between BI 201335 and Efavirenz to guide dosing for each drug when administered together.

To predict drug interaction between BI 201335 and Cyp 3A4 y using Midazolam as cyp 3A4 probe , Efavirenz as enzyme inducer and BI 201335 as enzyme inhibitor.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
29
Inclusion Criteria

Not provided

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Exclusion Criteria

Not provided

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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
BI201335 high dose Efavirenznormal dosenormal dose Efavirenz
BI201335 low dose Efavirenzlow doselow dose Efavirenz
BI201335 high dose Efavirenzlow dosenormal dose Efavirenz
Primary Outcome Measures
NameTimeMethod
Group B - Faldaprevir: C12,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after first administration of Faldaprevir

Plasma concentration 12 h after dosing of Faldaprevir at steady state calculated for subjects in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Group A - Efavirenz: Cmax0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00, 24:00, 48:00, 72:00, 96:00, 120:00, 144:00 hours(h) after administration of Efavirenz

Maximum plasma concentration (Cmax) of Efavirenz calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group A - Efavirenz: AUC0-∞0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00, 24:00, 48:00, 72:00, 96:00, 120:00, 144:00 h after administration of Efavirenz

Area under the concentration-time curve of the analyte in plasma over the time interval 0 to infinity of Efavirenz calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group B - Faldaprevir: Cmax,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after first administration of Faldaprevir

Maximum plasma concentration at steady state of Faldaprevir calculated for subjects in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Group B - Faldaprevir: AUC0-12h,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after first administration of Faldaprevir

Area under the concentration-time curve of Faldaprevir at steady state over the time interval 0 to 12h calculated for subjects in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Secondary Outcome Measures
NameTimeMethod
Group A - Faldaprevir: AUC0-12h,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after administration of Faldaprevir

Area under the concentration-time curve of Faldaprevir over the time interval 0-12h on day 14 at steady state, calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group B - Midazolam: Cmax0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00, 14:00, 24:00 h after administration of Midazolam

Maximum plasma concentration of Midazolam on days 1, 9 and 18, calculated for subjects in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Group A - Faldaprevir: Cmax,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after administration of Faldaprevir

Maximum plasma concentration of Faldaprevir on day 14 at steady state, calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group A - Faldaprevir: C12,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after administration of Faldaprevir

Plasma concentration 12 h after dosing of Faldaprevir on day 14 at steady state, calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group B - Faldaprevir: Tmax,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after administration of Faldaprevir

Time of maximum concentration of Faldaprevir on Day 9 and 10 at steady state, calculated for patients in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Clinical Relevant Abnormalities for Vital Signs, Blood Chemistry, Haematology, Physical Examination and ECGFrom first treatment administration (Day 1) up to Day 24

Clinical Relevant Abnormalities for Vital Signs, Blood Chemistry, Haematology, Physical Examination and ECG. New abnormal findings or worsening of baseline conditions were reported as Adverse Events.

Group B - Midazolam: Tmax0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00, 14:00, 24:00 h after administration of Midazolam

Time of maximum concentration after a single dose of Midazolam on days 1, 9 and 18, calculated for subjects in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Group A - Faldaprevir: Tmax,ss0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after administration of Faldaprevir

Time of maximum concentration of Faldaprevir on day 14 at steady state, calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group A - Efavirenz: Tmax0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00 h after administration of Efavirenz

Time of maximum concentration of Efavirenz on day 14, calculated for subjects in sequence group A (240 mg Faldaprevir+50 mg Efavirenz)

Group B - Midazolam: AUC0-∞0:00, 0:30, 1:00, 1:30, 2:00, 3:00, 4:00, 6:00, 8:00, 12:00, 14:00, 24:00 h after administration of Midazolam

Area under the concentration-time curve of of Midazolam over the time interval 0 to infinity on days 1, 9 and 18, calculated for subjects in sequence group B (600 mg Efavirenz+240 mg Faldaprevir+7.5 mg Midazolam)

Group A - Number of Participants With Drug Related Adverse EventsFrom Day 1 up to 30 days after last treatment (Days 1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,24)

Number of participants with investigator-defined drug related adverse events (AE) in sequence group A. AEs occurring up to 5 days after last intake of Faldaprevir on day 19 were assigned to Efavirenz+Faldaprevir treatment.

AEs were assessed throughout the trial. During the outpatient portion of the trial, assessment of AEs was monitored by telephone.

Group B - Number of Participants With Drug Related Adverse EventsFrom Day 1 up to 30 days after last treatment (Days 1,2,6,8,9,10,11,14,17,18,19,24)

Number of participants with investigator-defined drug related adverse events (AE) in sequence group B. AEs occurring up to 5 days after last intake of Faldaprevir were assigned to Faldaprevir+Midazolam+Efavirenz treatment.

AEs were assessed throughout the trial. During the outpatient portion of the trial, assessment of AEs was monitored by telephone.

Trial Locations

Locations (1)

1220.20.41001 Boehringer Ingelheim Investigational Site

🇨🇭

Basel, Switzerland

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