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AMG 581

Phase 1

Schizophrenia or Schizoaffective Disorder | Small molecule | Psychiatry |Amgen Inc.|Last Updated: Mar 7, 2016

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials2
Total Enrollment122
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02504476Multiple Ascending Dose Study on Safety, Tolerability, and Pharmacokinetics of AMG 581 in Healthy Subjects or Subjects With Schizophrenia or SchizoaffectivePHASE1 COMPLETED 52Aug 1, 2015Feb 1, 2016Mar 7, 20162 United States
NCT02567370Single-ascending Dose Study With a Food-Effect Cohort to Evaluate AMG 581PHASE1 COMPLETED 70Aug 1, 2015Oct 1, 2015Oct 23, 20151 United States
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Study Endpoints
Primary Endpoints
Reported treatment-emergent adverse events
39 days

Number and percent of subjects experiencing adverse events

Changes in systolic/diastolic blood pressure
39 days

Summaries over time and/or changes from baseline over time in systolic and/or diastolic blood pressure

Changes in heart rate
39 days

Summaries over time and/or changes from baseline over time in heart rate

Changes in respiratory rate
39 days

Summaries over time and/or changes from baseline over time in respiratory rate

Changes in temperature
39 days

Summaries over time and/or changes from baseline over time in temperature

Changes in ECGs
39 days

Summaries over time and/or changes from baseline over time in ECGs

Maximum change from baseline in QTc in ECGs and number and percentage of subjects with maximum changes exceeding prespecified limits in each group
39 days

Subjects' maximum change from baseline in QTc and the number and percentage of subjects in each group

Maximum post-baseline QTc values and number and percentage of subjects with maximum post-baseline QTc values exceeding prespecified limits in each group
39 days

Subjects' maximum post-baseline values and the number and percentage of subjects in each group

Scores at each study visit for Simpson Angus Scale (SAS)
39 days

Summaries over time and/or changes from baseline over time in changes in Simpson Angus Scale (SAS) score

Scores at each study visit for Barnes Akathisia Rating Scale (BARS)
39 days

Summaries over time and/or changes from baseline over time in in Barnes Akathisia Rating Scale (BARS) score

Subject incidence of treatment-emergent suicidal ideation and behavior as assessed by the Columbia-Suicide Severity Rating Scale (C-SSRS)
39 days

Subject incidence of treatment-emergent suicidal ideation and behavior as assessed by the Columbia-Suicide Severity Rating Scale (C-SSRS) summarized by cohort

Scores at each study visit and summary by cohort for Barnes Akathisia Rating Scale (BARS)
15 days

Summaries over time and/or changes from baseline over time in Barnes Akathisia Rating Scale (BARS) score

Subject incidence of treatment-emergent suicidal ideation and behavior as measured by Columbia-Suicide Severity Rating Scale (C-SSRS)
15 days

Subject incidence of treatment-emergent suicidal ideation and behavior as measured by Columbia-Suicide Severity Rating Scale (C-SSRS) summarized by cohort

Secondary Endpoints
Compare PK parameter (Cmax) between Day 1 and Day 18
18 days
Compare PK parameter (AUC) between Day 1 and Day 18
18 days
Compare PK parameter (tmax) Compare PK parameter (tmax) between Day 1 and Day 18
18 days
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AMG 581 - Dose 1ACTIVE_COMPARATOR -
AMG 581 - Dose 2ACTIVE_COMPARATOR -
AMG 581 - Dose 3ACTIVE_COMPARATOR -
AMG 581 - Dose 4ACTIVE_COMPARATOR -
Placebo - Dose 1PLACEBO_COMPARATOR -
Placebo - Dose 2PLACEBO_COMPARATOR -
Placebo - Dose 3PLACEBO_COMPARATOR -
Placebo - Dose 4PLACEBO_COMPARATOR -
AMG 581/Midazolam - Drug InteractionOTHER -
PlaceboPLACEBO_COMPARATOR -
AMG 581ACTIVE_COMPARATOR -
Interventions
NameTypeDescription
AMG 581DRUGActive drug
PlaceboDRUGPlacebo
MidazolamDRUGInteraction
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Eligibility Criteria
Age Range18 Years — 45 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: \- Provided informed consent prior to initiation of any study-specific activities/procedures; -male or female subjects should be between the ages of 18 and 45 years (18-55 years for subjects with schizophrenia);-non-nicotine or non-tobacco (healthy subjects only); - no history o...

Countries:United States
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