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AMG 133

Phase 1

Overweight and Obesity | Small molecule | Metabolic |Amgen Inc.|Last Updated: Feb 24, 2026

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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment44
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07429045A Trial to Assess the Effect of Kidney Impairment on How AMG 133 is Absorbed, Broken Down, and Eliminated by the BodyPHASE1 COMPLETED 44Mar 11, 2025Nov 21, 2025Feb 24, 20265 United States
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Study Endpoints
Primary Endpoints
Maximum Observed Concentration (Cmax) of AMG 133
Up to Day 120
Area Under the Concentration-time Curve From Time 0 to the Time of the Last Quantifiable Concentration (AUClast) of AMG 133
Up to Day 120
AUC From Time 0 Extrapolated to Infinity (AUCinf) of AMG 133
Up to Day 120
Secondary Endpoints
Number of Participants who Experienced Treatment-emergent Adverse Events (TEAEs)
Day 1 to Day 120
Number of Participants who Experienced Serious AEs (SAEs)
Screening to Day 120 (up to 148 days)
Number of Participants with Positive Anti-AMG 133 Antibody Formation
Up to Day 120
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Group 1: Normal renal functionEXPERIMENTALParticipants with an estimated glomerular filtration rate (eGFR) of ≥ 90 mL/min will receive a single dose of AMG 133 as a SC injection.
Group 2: Mild renal impairmentEXPERIMENTALParticipants with an eGFR of 60 to \< 90 mL/min will receive a single dose of AMG 133 as a SC injection.
Group 3: Moderate renal impairmentEXPERIMENTALParticipants with an eGFR of 30 to \< 60 mL/min will receive a single dose of AMG 133 as a SC injection.
Group 4: Severe renal impairment and kidney failure not receiving hemodialysisEXPERIMENTALParticipants with an eGFR of \< 30 mL/min will receive a single dose of AMG 133 as a SC injection.
Group 5: Kidney failure receiving hemodialysisEXPERIMENTALParticipants with an eGFR of \< 15 mL/min will receive a single dose of AMG 133 as a SC injection.
Interventions
NameTypeDescription
AMG 133DRUGParticipants will receive one dose of AMG 133 as a SC injection.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersYes
Study Sites5

Inclusion Criteria All Participants in Groups 1 to 5 1. Male or female, of any race, between 18 and 75 years of age, inclusive. a. Females must not be pregnant or lactating. 2. Body mass index \> 22.0 kg/m2. 3. Eligible participants classified based on eGFR at screening and established need fo...

Countries:United States
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Recent Changes (Last 90 Days)
MEDIUMApr 8, 2026NCT07429045TRIAL_REMOVED: changed
MEDIUMApr 8, 2026NCT07429045TRIAL_REMOVED: changed