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A Study to Evaluate the Effect of AG-881 on the Pharmacokinetics of a Single Dose of Lamotrigine in Healthy Adults

Phase 1
Completed
Conditions
Healthy Participants
Interventions
Registration Number
NCT04015687
Lead Sponsor
Agios Pharmaceuticals, Inc.
Brief Summary

The main purpose of this study is to examine the effect of multiple doses of AG-881 on the pharmacokinetics (PK) of a single dose of lamotrigine in healthy adults.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
22
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
AG-881 (Group 1)AG-881On Day 1 of Period 1, Group 1 participants will receive a single 50-milligram (mg) oral dose of lamotrigine at Hour 0. In Period 2, they will receive 50-mg oral doses of AG-881 once daily (QD) for 15 consecutive days (Days 1 to 15), with a single 50-mg oral dose of lamotrigine coadministered at Hour 0 on Day 14.
AG-881 (Group 1)LamotrigineOn Day 1 of Period 1, Group 1 participants will receive a single 50-milligram (mg) oral dose of lamotrigine at Hour 0. In Period 2, they will receive 50-mg oral doses of AG-881 once daily (QD) for 15 consecutive days (Days 1 to 15), with a single 50-mg oral dose of lamotrigine coadministered at Hour 0 on Day 14.
AG-881 (Group 2)AG-881Following a safety and tolerability review of the data from at least 7 days of AG-881 dosing of Group 1 participants in Period 2, Group 2 participants will receive a single 50-mg oral dose of lamotrigine at Hour 0 in Period 1, and 50-mg oral doses of AG-881 QD for 15 consecutive days (Days 1 to 15), with a single 50-mg oral dose of lamotrigine coadministered at Hour 0 on Day 14 in Period 2.
AG-881 (Group 2)LamotrigineFollowing a safety and tolerability review of the data from at least 7 days of AG-881 dosing of Group 1 participants in Period 2, Group 2 participants will receive a single 50-mg oral dose of lamotrigine at Hour 0 in Period 1, and 50-mg oral doses of AG-881 QD for 15 consecutive days (Days 1 to 15), with a single 50-mg oral dose of lamotrigine coadministered at Hour 0 on Day 14 in Period 2.
AG-881 (Group 3)AG-881Following a safety and tolerability review of the data from Group 1 participants, and from at least 7 days of AG-881 dosing of Group 2 participants in Period 2, Group 3 participants will receive a single 50-mg oral dose of lamotrigine at Hour 0 in Period 1; and 50-mg oral doses of AG-881 QD for 15 consecutive days (Days 1 to 15) with a single 50-mg oral dose of lamotrigine coadministered at Hour 0 on Day 14 in Period 2.
AG-881 (Group 3)LamotrigineFollowing a safety and tolerability review of the data from Group 1 participants, and from at least 7 days of AG-881 dosing of Group 2 participants in Period 2, Group 3 participants will receive a single 50-mg oral dose of lamotrigine at Hour 0 in Period 1; and 50-mg oral doses of AG-881 QD for 15 consecutive days (Days 1 to 15) with a single 50-mg oral dose of lamotrigine coadministered at Hour 0 on Day 14 in Period 2.
Primary Outcome Measures
NameTimeMethod
Area under the Concentration-time Curve from Time 0 to Infinity (AUC0-inf) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Area under the Concentration-time Curve from Time 0 to Infinity (AUC0-inf) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Maximum Observed Plasma Concentration (Cmax) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Maximum Observed Plasma Concentration (Cmax) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Area under the Concentration-time Curve, from Time 0 to the Last Observed Non-zero Concentration (t) (AUC0-t) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Area under the Concentration-time Curve, from Time 0 to the Last Observed Non-zero Concentration (t) (AUC0-t) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Percent of AUC0-inf Extrapolated (AUC%extrap) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Percent of AUC0-inf Extrapolated (AUC%extrap) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Time to Maximum Observed Plasma Concentration (Tmax) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Time to Maximum Observed Plasma Concentration (Tmax) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Apparent Terminal Elimination Rate Constant (Kel) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Apparent Terminal Elimination Rate Constant (Kel) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Apparent Terminal Elimination Half-life (t½) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Apparent Terminal Elimination Half-life (t½) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Apparent Total Plasma Clearance after Oral (Extravascular) Administration (CL/F) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Apparent Total Plasma Clearance after Oral (Extravascular) Administration (CL/F) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Apparent Volume of Distribution during the Terminal Elimination Phase after Oral (Extravascular) Administration (Vz/F) for Lamotrigine Administered with Interacting Drug AG-881At multiple time points daily from Day 14 to Day 21 (or early discontinuation) in Period 2 (21-day period)
Apparent Volume of Distribution during the Terminal Elimination Phase after Oral (Extravascular) Administration (Vz/F) for Lamotrigine Administered without Interacting Drug AG-881At multiple time points daily from Day 1 to Day 8 in Period 1 (8-day period)
Secondary Outcome Measures
NameTimeMethod
Percentage of Participants with Abnormalities in Physical ExaminationsUp to approximately 4 weeks
Percentage of Participants with Adverse Events (AEs)Up to approximately 4 weeks

An AE is any untoward medical occurrence associated with the use of a drug, whether or not considered drug-related.

Columbia-suicide Severity Rating Scale (C-SSRS)Up to approximately 4 weeks

The C-SSRS is a questionnaire scale to detect emergent suicide symptoms (suicidal ideation or actual suicidal behavior). Questions are either answered yes/no or are on a scale of 1 (low severity) to 5 (high severity).

Percentage of Participants with Abnormalities in 12-lead Electrocardiograms (ECGs)Up to approximately 4 weeks
Percentage of Participants with Abnormalities in Vital Sign MeasurementsUp to approximately 4 weeks

Vital signs will include body temperature, respiratory rate, blood pressure, and heart rate.

Percentage of Participants with Abnormalities in Clinical Laboratory TestsUp to approximately 4 weeks

Clinical laboratory assessments will include hematology, serum chemistry, coagulation, and urinalysis.

Trial Locations

Locations (1)

Celerion, Inc

🇺🇸

Tempe, Arizona, United States

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