Investigation of Ritonavir Effects on Afatinib Exposure in Healthy Subjects

June 3, 2014 updated by: Boehringer Ingelheim

Relative Bioavailability of a Single Oral Dose of 40 mg Afatinib Given Alone Compared to Concomitant and Timed Administration of Multiple Oral Doses of Ritonavir - an Open-label, Randomised, Three-way Crossover Trial in Healthy Male Volunteers

To study the effect of the P-glycoprotein inhibitor ritonavir on the pharmacokinetics (PK) of afatinib depending on the timepoint of ritonavir administration

Study Overview

Study Type

Interventional

Enrollment (Actual)

24

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Biberach, Germany
        • 1200.151.1 Boehringer Ingelheim Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 55 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Description

Inclusion criteria:

1. healthy male subjects

Exclusion criteria:

1. any relevant deviation from healthy conditions

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: treatment A
1 tablet afatinib single dose
standard therapeutic dose
Experimental: treatment B
2 x 2 tablets ritonavir for 3 days + 1 tablet afatinib on the second treatment day
simultaneous intake of ritonavir and afatinib on second treatment day
on the second treatment day the first ritonavir tablet will be taken 6 hours after the afatinib tablet
Experimental: treatment C
2 x 2 tablets ritonavir for 3 days + 1 tablet afatinib on the second treatment day
simultaneous intake of ritonavir and afatinib on second treatment day
on the second treatment day the first ritonavir tablet will be taken 6 hours after the afatinib tablet

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Area Under Curve From 0 to tz (AUC0-tz)
Time Frame: 0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post
AUC0-tz represents the area under the concentration curve of the analyte in plasma from 0 to the time of the last quantifiable plasma contentration of the analyte.
0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post
Maximum Concentration (Cmax)
Time Frame: 0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post
Cmax represents the maximum concentration of the analyte in plasma.
0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post
Area Under Curve From 0 to ∞ Hours (AUC0-∞)
Time Frame: 0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post
AUC0-∞ represents the area under the concentration curve of the analyte in plasma from 0 extrapolated to infinity.
0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2011

Primary Completion (Actual)

December 1, 2011

Study Registration Dates

First Submitted

August 30, 2011

First Submitted That Met QC Criteria

August 31, 2011

First Posted (Estimate)

September 1, 2011

Study Record Updates

Last Update Posted (Estimate)

June 9, 2014

Last Update Submitted That Met QC Criteria

June 3, 2014

Last Verified

October 1, 2013

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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