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AMG 691

Phase 1

Asthma | Small molecule | Respiratory |Amgen Inc.|Last Updated: Jun 17, 2026

Success Probability
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Market & Valuation
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Trial Design
RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment21
FDA Designations
No designations recorded
Clinical trial landscape

AMG 691 · 1 trial · 1 indication

Phase 1 1
NCT06637371A Phase 1, Randomized, Double-blind, Placebo-controlled Study Evaluating AMG 691 in Healthy Participants and Participants With Mild-to-Moderate AsthmaAsthma
ACTIVE NOT_RECRUITING21 Analytics
PHASE1ACTIVE NOT_RECRUITING
A Phase 1, Randomized, Double-blind, Placebo-controlled Study Evaluating AMG 691 in Healthy Participants and Participants With Mild-to-Moderate Asthma
AsthmaUnlock trial analytics
Study Endpoints
Primary Endpoints
Number of Participants Experiencing Treatment-emergent Adverse Events (TEAEs)
Up to approximately 11 months

An adverse event (AE) is any untoward medical occurrence in a clinical study participant irrespective of a causal relationship with the study treatment. TEAEs are any event that occurred after the participant received study treatment. Serious AEs (SAEs) are defined as any untoward medical occurrence that, meet at least 1 of the following serious criteria: Immediately life-threatening, requires in-patient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect. Includes AEs of interest (AEOI), and AEs leading to discontinuation.

Secondary Endpoints
Maximum Concentration (Cmax) of AMG 691
Up to approximately 11 months
Area Under the Curve (AUC) of AMG 691
Up to approximately 11 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part A: Single Ascending Dose (SAD)EXPERIMENTALHealthy participants will be randomized in a 3:1 ratio to receive either AMG 691 or placebo.
Part B: Multiple Ascending Dose (MAD)EXPERIMENTALHealthy participants will be randomized in a 3:1 ratio to receive either AMG 691 or placebo.
Part C: Multiple DoseEXPERIMENTALParticipants with mild-to-moderate asthma will be randomized in a 2:1 ratio to receive either AMG 691 or placebo.
Interventions
NameTypeDescription
AMG 691DRUGSubcutaneous (SC) injection
PlaceboDRUGSC injection
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Eligibility Criteria
Age Range18 Years to 70 Years
SexALL
Healthy VolunteersYes
Study Sites21

Inclusion Part A and B * Participants must be capable of giving informed consent and have provided informed consent. * Participants must be 18 to 65, inclusive at time of signing of informed consent. * Participants must have a Body Mass Index between 18.0 to 30 kg/m\^2 and total body weight ≥ 40 kg...

Countries:United StatesAustraliaBelgiumCanadaUnited Kingdom
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Recent Changes (Last 90 Days)
HIGHJun 18, 2026NCT06637371Status: RECRUITING → ACTIVE_NOT_RECRUITING
HIGHJun 18, 2026NCT06637371Status: RECRUITING → ACTIVE_NOT_RECRUITING
HIGHJun 18, 2026NCT06637371Status: RECRUITING → ACTIVE_NOT_RECRUITING
HIGHJun 18, 2026NCT06637371Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWMay 26, 2026NCT06637371primaryCompletionDate: changed
LOWMay 24, 2026NCT06637371studyFirstPostDate: changed