Trial Outcomes & Findings for Investigation of Ritonavir Effects on Afatinib Exposure in Healthy Subjects (NCT NCT01426958)

NCT ID: NCT01426958

Last Updated: 2014-06-09

Results Overview

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.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

24 participants

Primary outcome timeframe

0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post

Results posted on

2014-06-09

Participant Flow

Participant milestones

Participant milestones
Measure
All Participants
This is an open-label, randomized, three-way crossover clinical phase I trial in healthy volunteers.
Overall Study
STARTED
24
Overall Study
COMPLETED
22
Overall Study
NOT COMPLETED
2

Reasons for withdrawal

Reasons for withdrawal
Measure
All Participants
This is an open-label, randomized, three-way crossover clinical phase I trial in healthy volunteers.
Overall Study
Adverse Event
2

Baseline Characteristics

Investigation of Ritonavir Effects on Afatinib Exposure in Healthy Subjects

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Study
n=24 Participants
This is an open-label, randomized, three-way crossover clinical phase I trial in healthy volunteers.
Age, Continuous
38.0 years
STANDARD_DEVIATION 8.3 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
24 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post

Population: This subject set includes all evaluable subjects of the treated set who were assigned to the final dose groups and who provide at least one observation for at least one primary (PK) endpoint without important protocol violations relevant to the evaluation of PK.

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.

Outcome measures

Outcome measures
Measure
Afatinib
n=21 Participants
Subjects were treated with a single dose of Afatinib 40mg on Day 1.
Afatinib + Concomittant Rtv
n=24 Participants
Subjects were treated with Ritonavir (Rtv) 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 with third Rtv dose.
Afatinib + Timed Rtv
n=22 Participants
Subjects were treated with Rtv 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 six hours prior to third Rtv dose.
Area Under Curve From 0 to tz (AUC0-tz)
392 ng*h/mL
Geometric Coefficient of Variation 26.2
478 ng*h/mL
Geometric Coefficient of Variation 27.9
438 ng*h/mL
Geometric Coefficient of Variation 20.3

PRIMARY outcome

Timeframe: 0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post

Population: This subject set includes all evaluable subjects of the treated set who were assigned to the final dose groups and who provide at least one observation for at least one primary (PK) endpoint without important protocol violations relevant to the evaluation of PK.

Cmax represents the maximum concentration of the analyte in plasma.

Outcome measures

Outcome measures
Measure
Afatinib
n=22 Participants
Subjects were treated with a single dose of Afatinib 40mg on Day 1.
Afatinib + Concomittant Rtv
n=24 Participants
Subjects were treated with Ritonavir (Rtv) 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 with third Rtv dose.
Afatinib + Timed Rtv
n=22 Participants
Subjects were treated with Rtv 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 six hours prior to third Rtv dose.
Maximum Concentration (Cmax)
19.5 ng/mL
Geometric Coefficient of Variation 33.5
20.7 ng/mL
Geometric Coefficient of Variation 29.4
20.7 ng/mL
Geometric Coefficient of Variation 24.4

PRIMARY outcome

Timeframe: 0, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 24, 36, 48, 72, 96, 120 hours post

Population: This subject set includes all evaluable subjects of the treated set who were assigned to the final dose groups and who provide at least one observation for at least one primary (PK) endpoint without important protocol violations relevant to the evaluation of PK.

AUC0-∞ represents the area under the concentration curve of the analyte in plasma from 0 extrapolated to infinity.

Outcome measures

Outcome measures
Measure
Afatinib
n=22 Participants
Subjects were treated with a single dose of Afatinib 40mg on Day 1.
Afatinib + Concomittant Rtv
n=24 Participants
Subjects were treated with Ritonavir (Rtv) 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 with third Rtv dose.
Afatinib + Timed Rtv
n=22 Participants
Subjects were treated with Rtv 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 six hours prior to third Rtv dose.
Area Under Curve From 0 to ∞ Hours (AUC0-∞)
426 ng*h/mL
Geometric Coefficient of Variation 22.8
515 ng*h/mL
Geometric Coefficient of Variation 27.5
475 ng*h/mL
Geometric Coefficient of Variation 19.4

Adverse Events

Afatinib

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Afatinib + Concomittant Rtv

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

Afatinib + Timed Rtv

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Afatinib
n=23 participants at risk
Subjects were treated with a single dose of Afatinib 40mg on Day 1.
Afatinib + Concomittant Rtv
n=24 participants at risk
Subjects were treated with Ritonavir (Rtv) 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 with third Rtv dose.
Afatinib + Timed Rtv
n=22 participants at risk
Subjects were treated with Rtv 2x100mg twice daily (bid) on Days -1, 1 and 2 and with a single dose of Afatinib 40mg on Day 1 six hours prior to third Rtv dose.
Gastrointestinal disorders
Diarrhoea
0.00%
0/23 • First administration of trial medication until 28 days after last administration of trial medication
12.5%
3/24 • First administration of trial medication until 28 days after last administration of trial medication
18.2%
4/22 • First administration of trial medication until 28 days after last administration of trial medication
Investigations
Lipase increased
0.00%
0/23 • First administration of trial medication until 28 days after last administration of trial medication
8.3%
2/24 • First administration of trial medication until 28 days after last administration of trial medication
0.00%
0/22 • First administration of trial medication until 28 days after last administration of trial medication
Nervous system disorders
Headache
8.7%
2/23 • First administration of trial medication until 28 days after last administration of trial medication
0.00%
0/24 • First administration of trial medication until 28 days after last administration of trial medication
4.5%
1/22 • First administration of trial medication until 28 days after last administration of trial medication
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
0.00%
0/23 • First administration of trial medication until 28 days after last administration of trial medication
8.3%
2/24 • First administration of trial medication until 28 days after last administration of trial medication
0.00%
0/22 • First administration of trial medication until 28 days after last administration of trial medication

Additional Information

Boehringer Ingelheim Call Center

Boehringer Ingelheim Pharmaceuticals

Phone: 1-800-243-0127

Results disclosure agreements

  • Principal investigator is a sponsor employee Any publication of the result of this trial must be consistent with the Boehringer Ingelheim publication policy. The rights of the investigator and of the sponsor with regard to publication of the results of this trial are described in the investigator contract.
  • Publication restrictions are in place

Restriction type: OTHER