MedPath

Effect of Lacosamide 200 mg Twice a Day (Bid) on Single Dose Warfarin 25 mg in Healthy Males

Phase 1
Completed
Conditions
Healthy Volunteers
Interventions
Other: Lacosamide
Other: Warfarin
Registration Number
NCT01526083
Lead Sponsor
UCB Pharma
Brief Summary

The purpose of this study is to investigate the effect of Lacosamide 200 mg twice a day (bid) on single dose pharmacokinetics (PK) and pharmacodynamics (PD) of Warfarin (25 mg) in healthy male volunteers.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
16
Inclusion Criteria
  • Healthy male volunteers 18-55 years of age
  • BMI 18.0-30.0 kg/m2 and weight at least 50 kg
  • Tympanic body temperature 35.0-37.5°C (95 and 99.5°F) inclusive
Exclusion Criteria
  • Volunteer has participated or is participating in any other clinical studies of investigational drug or another Investigational Medicinal Product (IMP) within the last 3 months
  • Volunteer is not healthy (eg, taking any drug treatments, excessive amount of alcohol, cigarettes or caffeine, having any medical or emotional/psychological problems, a drug/alcohol abuse, having abnormal safety parameters)
  • Volunteer is taking Warfarin or Non Steroidal Anti-Inflammatory Drug (NSAID)
  • Volunteer has history of suicide attempt
  • Volunteer has history of coagulation abnormalities, occult blood in stool, gastrointestinal ulcer, surgery within 6 months

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
Single dose of Warfarin on day 3LacosamideSingle dose of Warfarin on day 3 of a 7 day course of Lacosamide 200 mg BID
Single dose of WarfarinWarfarin-
Primary Outcome Measures
NameTimeMethod
Maximum prothrombin time (PTmax)Multiple sampling from 0 -168 hours following administration of a single warfarin dose in each treatment period
Warfarin maximum international normalized ratio (INRmax)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose in each treatment period
Area under the Warfarin plasma concentration versus time curve from time 0 to the last quantifiable level, AUC0-t(Warfarin)Multiple sampling from 0 -168 hours following administration of a single warfarin dose in each treatment period
Maximum Warfarin plasma concentration (Cmax)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose in each treatment period
Area under the Warfarin plasma concentration versus time curve from time 0 to infinity, AUC (Warfarin)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose in each treatment period
Warfarin area under the prothrombin time (PT) versus time curve (PTAUC)Multiple sampling from 0 -168 hours following administration of a single warfarin dose in each treatment period
Warfarin area under the International Normalized Ratio (INR) versus time curve (INRAUC)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose in each treatment period
Secondary Outcome Measures
NameTimeMethod
Lacosamide trough plasma concentration (Ctrough)Morning pre dose sample on Days 3-10 or Days 24 -30 of Lacosamide BID dosing
Time of maximum Warfarin plasma concentration (Tmax)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose
CYP2C9 genotypeSingle measurement on Day 1
VKORC1 genotypeSingle measurement on Day 1
Change from Baseline in Systolic Blood Pressure at 24 h post doseFrom pre dose to 24 h post dose Warfarin administration in each treatment period
Change from Baseline in Diastolic Blood Pressure at 24 h post doseFrom pre dose to 24 h post dose Warfarin administration in each treatment period
Apparent volume of distribution of Warfarin (V /F)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose
First order terminal elimination rate constant of WarfarinMultiple sampling from 0 -168 hours following administration of a single Warfarin dose
Change from Baseline in Systolic Blood Pressure at 4 h post doseFrom pre dose to 4 h post dose LCM administration
Change from Baseline in Diastolic Blood Pressure at 12 h post doseFrom pre dose to 12 h post dose LCM administration

40-90 bpm

Change from Baseline in Body Temperature at 12 h post doseFrom pre dose to 12 h post dose LCM administration

40-90 bpm

Change from Baseline in Body Temperature at 24 h post doseFrom pre dose to 24 h post dose Warfarin administration in each treatment period
Change from Baseline in Pulse Rate at 4 h post doseFrom pre dose to 4 h post dose Lacosamide (LCM) administration

40-90 bpm

Occurrence of at Least One Treatment-emergent Adverse Event (TEAE) during the duration of the studyDuration of study is approximately 32 days
Change from Baseline in Pulse Rate at 12 h post doseFrom pre dose to 12 h post dose LCM administration

40-90 bpm

Change from Baseline in Systolic Blood Pressure at 12 h post doseFrom pre dose to 12 h post dose LCM administration

40-90 bpm

Change from Baseline in Body Temperature at 4 h post doseFrom pre dose to 4 h post dose LCM administration
Terminal half-life of Warfarin (T ½)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose
Apparent total body clearance of Warfarin (CL /F)Multiple sampling from 0 -168 hours following administration of a single Warfarin dose
Change from Baseline in Pulse Rate at 24 h post doseFrom pre dose to 24 h post dose Warfarin administration in each treatment period

40-90 bpm

Change from Baseline in Diastolic Blood Pressure at 4 h post doseFrom pre dose to 4 h post dose LCM administration
Change from Baseline in Body Temperature at 4h post doseFrom pre dose to 4 h post dose Warfarin administration in each treatment period

Trial Locations

Locations (1)

001

🇳🇱

Zuidlaren, Netherlands

© Copyright 2025. All Rights Reserved by MedPath