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Investigation of Faldaprevir Effect on Pharmacokinetics of Raltegravir

Investigation of Faldaprevir Effect on Steady State Pharmacokinetics of Raltegravir in Healthy Male and Female Volunteers (an Open-label Trial With Two Periods in a Fixed Sequence)

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01785160
Enrollment
25
Registered
2013-02-07
Start date
2013-02-28
Completion date
2013-03-31
Last updated
2015-08-03

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

Conditions

Healthy

Brief summary

The primary objective of this trial is to investigate effect of faldaprevir on steady state pharmacokinetics of raltegravir. The assessment of safety and tolerability will be an additional objective of this trial.

Interventions

DRUGRaltegravir

low dose oral administration

medium dose oral administration

Sponsors

Boehringer Ingelheim
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 50 Years
Healthy volunteers
Yes

Inclusion criteria

1\. healthy male subjects

Exclusion criteria

1\. Any relevant deviation from healthy conditions

Design outcomes

Primary

MeasureTime frameDescription
AUC( Tau,ss)0.5 hours (h) before drug administration and 48 hours (h),60,72,72.5,73,73.5,74,75,76,77,78,80,82 and 84(hours) after administration of RAL alone; 96 h,108,120,120.5,121,121.5,122,123,124, 125,126,128,130 and 132 hours after RAL and FDV administrationAUC tau,ss (area under the concentration-time curve of the Raltegravir in plasma at steady state over the uniform dosing interval tau) Point estimates for the intrasubject ratio of the geometric means (for treatments Test and Reference) of AUC tau,ss and their 2-sided 90% confidence intervals (CI) were calculated. The statistical model was an analysis of variance (ANOVA) on log-transformed parameters including effects for 'subject' and 'treatment'. RAL: Raltegravir , FDV: Faldaprevir
Cmax ,ss0.5 hours (h) before drug administration and 48 hours (h),60,72,72.5,73,73.5,74,75,76,77,78,80,82 and 84(hours) after administration of RAL alone; 96 h,108,120,120.5,121,121.5,122,123,124, 125,126,128,130 and 132hours after RAL and FDV administrationC max,ss (maximum measured concentration of the Raltegravir in plasma at steady state) Point estimates for the intrasubject ratio of the geometric means (for treatments Test and Reference) of Cmax,ss and their 2-sided 90% confidence intervals (CI) were calculated. The statistical model was an analysis of variance (ANOVA) on log-transformed parameters including effects for 'subject' and 'treatment'. RAL: Raltegravir , FDV: Faldaprevir

Countries

Germany

Participant flow

Participants by arm

ArmCount
Overall Study
Total number of patients randomised and treated in the study.This was a open label trial with two periods in a fixed sequence. All subjects were to receive the following 2 treatments, A\]Raltegravir B\]Raltegravir+Faldaprevir The two treatments were separated by washout period of at least 7 days.
24
Total24

Withdrawals & dropouts

PeriodReasonFG000
Treatment Period 1: RaltegravirNot treated1
Washout Period of at Least 7 DaysConsent withdrawn1

Baseline characteristics

CharacteristicOverall Study
Age, Continuous40.8 years
STANDARD_DEVIATION 8.8
Sex: Female, Male
Female
12 Participants
Sex: Female, Male
Male
12 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
6 / 2413 / 23
serious
Total, serious adverse events
0 / 240 / 23

Outcome results

Primary

AUC( Tau,ss)

AUC tau,ss (area under the concentration-time curve of the Raltegravir in plasma at steady state over the uniform dosing interval tau) Point estimates for the intrasubject ratio of the geometric means (for treatments Test and Reference) of AUC tau,ss and their 2-sided 90% confidence intervals (CI) were calculated. The statistical model was an analysis of variance (ANOVA) on log-transformed parameters including effects for 'subject' and 'treatment'. RAL: Raltegravir , FDV: Faldaprevir

Time frame: 0.5 hours (h) before drug administration and 48 hours (h),60,72,72.5,73,73.5,74,75,76,77,78,80,82 and 84(hours) after administration of RAL alone; 96 h,108,120,120.5,121,121.5,122,123,124, 125,126,128,130 and 132 hours after RAL and FDV administration

Population: Pharmacokinetic(PK) set:Subjects who received atleast 1 dose of study medication and who provided at least 1 observation for at least 1 PK endpoint without any important protocol violations relevant to the evaluation of relative bioavailability and did not experience emesis at or before 2 times median tmax on the pk study days of both trial periods

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
RaltegravirAUC( Tau,ss)4070 ng*h/mLGeometric Coefficient of Variation 92.9
Raltegravir + FaldaprevirAUC( Tau,ss)11100 ng*h/mLGeometric Coefficient of Variation 78.7
Comparison: Ratio Raltegravir plus Faldaprevir and Raltegravir for the category Raltegravirp-value: 0.999995% CI: [199.69, 370.66]ANOVA
Primary

Cmax ,ss

C max,ss (maximum measured concentration of the Raltegravir in plasma at steady state) Point estimates for the intrasubject ratio of the geometric means (for treatments Test and Reference) of Cmax,ss and their 2-sided 90% confidence intervals (CI) were calculated. The statistical model was an analysis of variance (ANOVA) on log-transformed parameters including effects for 'subject' and 'treatment'. RAL: Raltegravir , FDV: Faldaprevir

Time frame: 0.5 hours (h) before drug administration and 48 hours (h),60,72,72.5,73,73.5,74,75,76,77,78,80,82 and 84(hours) after administration of RAL alone; 96 h,108,120,120.5,121,121.5,122,123,124, 125,126,128,130 and 132hours after RAL and FDV administration

Population: Pharmacokinetic(PK) set:Subjects who received atleast 1 dose of study medication and who provided at least 1 observation for at least 1 PK endpoint without any important protocol violations relevant to the evaluation of relative bioavailability and did not experience emesis at or before 2 times median tmax on the pk study days of both trial periods

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
RaltegravirCmax ,ss1300 ng/mLGeometric Coefficient of Variation 115
Raltegravir + FaldaprevirCmax ,ss3220 ng/mLGeometric Coefficient of Variation 108
Comparison: Ratio Raltegravir plus Faldaprevir and Raltegravir for the category Raltegravirp-value: 0.997395% CI: [168.46, 358.404]ANOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026