A Study of the Safety, Tolerability, and Pharmacokinetics of Multiple-Ascending Dose Basimglurant in Healthy Subjects and in Patients With Major Depressive Disorder (MDD)
A Single-Center, Randomized, Investigator/Participant-Blind, Placebo-Controlled, Multiple-Ascending Dose, Semi-Sequential Adaptive Study to Investigate the Safety, Tolerability, and Pharmacokinetics of Basimglurant Following Oral Administration in Healthy Subjects and in Patients With Major Depressive Disorder
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
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California
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Garden Grove, California, United States, 92845
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 18 to 65 years of age, inclusive
- Body weight at least 50 kg
- Healthy male or female subjects (Healthy Cohorts)
- Body mass index (BMI) 18 to 30 kg/m^2, inclusive (Healthy Cohorts)
- Nonsmoker for at least 90 days prior to dosing (Healthy Cohorts)
- Primary diagnosis of MDD without psychotic features (MDD Cohort)
- BMI 18 to 35 kg/m^2, inclusive (MDD Cohort)
- Current partial response to ongoing SSRI or SNRI antidepressant treatment at an adequate dose and for at least 4 weeks (MDD Cohort)
- Clinical Global Impression of Severity (CGI-S) score 3 or greater (MDD Cohort)
- Other regimens stable for at least 8 weeks prior to screening (MDD Cohort)
Exclusion Criteria:
- Pregnant or lactating women
- History of alcohol or substance abuse in the past 6 months
- Hepatitis B, hepatitis C, or human immunodeficiency virus (HIV)
- Clinically relevant electrocardiogram (ECG) abnormalities or a personal or family history of congenital long QT syndrome
- Participation in an investigational study within 90 days of screening
- Blood donation over 500 mL within 3 months of screening
- Hypersensitivity to any study medication or excipients
- Psychotic symptoms or comorbid mood disorder
- Significant suicide risk
- Major illness within 1 month before screening, or febrile illness within 1 week (Healthy Cohorts)
- Average alcohol consumption of more than 2 units per day (Healthy Cohorts)
- Multi-drug therapy for depression including antidepressants or adjunctive medications (MDD Cohort)
- Prior use of basimglurant (MDD Cohort)
- Cigarette use of greater than 1 pack per day (MDD Cohort)
Study Plan
How is the study designed?
Design Details
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Basimglurant: Healthy Cohort (1)
Healthy participants assigned to basimglurant will receive a 22-day ascending dose regimen.
Cohort 1 will receive a prespecified titration scheme; however, adaptive titration schemes may be applied in subsequent cohorts.
|
Participants will receive once-daily oral basimglurant capsules in a multiple ascending dose regimen.
Basimglurant dose will be titrated over 22 days; dose escalations will be separated by at least 4 days, with the final dose administered for a minimum of 14 days.
The minimum starting dose will be 1.5 mg, which can be titrated up to a maximum dose of 4.0 mg.
Intrapatient dose increments will not exceed 1.0 mg every 4 days.
|
|
Experimental: Basimglurant: Healthy Cohort (2)
Healthy participants assigned to basimglurant will receive a 22-day ascending dose regimen.
The dosing scheme for Cohort 2 will be selected in accordance with decision criteria on the basis of the incidence of severe AEs in Cohort 1.
|
Participants will receive once-daily oral basimglurant capsules in a multiple ascending dose regimen.
Basimglurant dose will be titrated over 22 days; dose escalations will be separated by at least 4 days, with the final dose administered for a minimum of 14 days.
The minimum starting dose will be 1.5 mg, which can be titrated up to a maximum dose of 4.0 mg.
Intrapatient dose increments will not exceed 1.0 mg every 4 days.
|
|
Experimental: Basimglurant: Healthy Cohort (3)
Healthy participants assigned to basimglurant will receive a 22-day ascending dose regimen.
The dosing scheme for Cohort 3 will be selected in accordance with decision criteria on the basis of the incidence of severe AEs in preceding Cohorts 1 and 2.
|
Participants will receive once-daily oral basimglurant capsules in a multiple ascending dose regimen.
Basimglurant dose will be titrated over 22 days; dose escalations will be separated by at least 4 days, with the final dose administered for a minimum of 14 days.
The minimum starting dose will be 1.5 mg, which can be titrated up to a maximum dose of 4.0 mg.
Intrapatient dose increments will not exceed 1.0 mg every 4 days.
|
|
Experimental: Basimglurant: Healthy Cohort (4)
Healthy participants assigned to basimglurant will receive a 22-day ascending dose regimen.
The dosing scheme for Cohort 4 will be selected in accordance with decision criteria on the basis of the incidence of severe AEs in preceding Cohorts 1, 2, and 3.
|
Participants will receive once-daily oral basimglurant capsules in a multiple ascending dose regimen.
Basimglurant dose will be titrated over 22 days; dose escalations will be separated by at least 4 days, with the final dose administered for a minimum of 14 days.
The minimum starting dose will be 1.5 mg, which can be titrated up to a maximum dose of 4.0 mg.
Intrapatient dose increments will not exceed 1.0 mg every 4 days.
|
|
Experimental: Basimglurant: MDD Cohort (5)
Participants with MDD assigned to basimglurant will receive a 22-day ascending dose regimen.
The dosing scheme for Cohort 5 may differ from those previously evaluated; however, the titration steps and the highest dose tested will remain equal to or lower than the doses tested in Cohorts 1 to 4.
|
Participants will receive once-daily oral basimglurant capsules in a multiple ascending dose regimen.
Basimglurant dose will be titrated over 22 days; dose escalations will be separated by at least 4 days, with the final dose administered for a minimum of 14 days.
The minimum starting dose will be 1.5 mg, which can be titrated up to a maximum dose of 4.0 mg.
Intrapatient dose increments will not exceed 1.0 mg every 4 days.
|
|
Placebo Comparator: Placebo: Healthy Cohorts (1 to 4)
Healthy participants will receive a 22-day regimen of matching placebo capsules.
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Participants will receive 22 days of once-daily oral matching placebo capsules.
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|
Placebo Comparator: Placebo: MDD Cohort (5)
Participants with MDD will receive a 22-day regimen of matching placebo capsules.
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Participants will receive 22 days of once-daily oral matching placebo capsules.
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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Safety: Incidence of adverse events (AEs)
Time Frame: Up to 10 weeks
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Up to 10 weeks
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Safety: Suicidality as assessed using the Columbia Suicide Severity Rating Scale (C-SSRS)
Time Frame: Up to 10 weeks
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Up to 10 weeks
|
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Safety: Sleep habits as assessed using a participant-recorded sleep diary
Time Frame: Up to 21 days
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Up to 21 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Pharmacokinetics: Maximum plasma concentration (Cmax)
Time Frame: Post dose on Day 1 and Day 22 (or final dose)
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Post dose on Day 1 and Day 22 (or final dose)
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Pharmacokinetics: Area under the plasma concentration-time curve from 0 to 24 hours (AUC0-24)
Time Frame: Post dose on Day 1
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Post dose on Day 1
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Pharmacokinetics: Area under the plasma concentration-time curve over the dosing interval (AUC0-tau)
Time Frame: Post dose on Day 22 (or final dose)
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Post dose on Day 22 (or final dose)
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Pharmacokinetics: Time to maximum plasma concentration (Tmax)
Time Frame: Post dose on Day 1 and Day 22 (or final dose)
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Post dose on Day 1 and Day 22 (or final dose)
|
|
Pharmacokinetics: Trough plasma concentration (Ctrough)
Time Frame: Post dose on Day 1 and Day 22 (or final dose)
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Post dose on Day 1 and Day 22 (or final dose)
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Pharmacokinetics: Apparent terminal elimination half-life (t1/2)
Time Frame: Post dose on Day 22 (or final dose)
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Post dose on Day 22 (or final dose)
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Safety: QT interval corrected using the Fridericia method (QTcF)
Time Frame: Up to 10 weeks
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Up to 10 weeks
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- NP29583
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