A Phase 1 Ethnobridging TriaL of AGA2118 in Healthy Japanese, Chinese, and Caucasian ParticipantS (ATLAS)
ATLAS
A Phase 1, Randomized, Open-Label, Single-Dose Study to Evaluate the Pharmacokinetics of AGA2118 in Healthy Japanese, Chinese, and Caucasian Participants
1 other identifier
interventional
30
1 country
1
Brief Summary
This study will evaluate the effects of a single dose of AGA2118 in Japanese, Chinese, and Caucasian participants
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Jan 2026
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 5, 2026
CompletedFirst Submitted
Initial submission to the registry
January 16, 2026
CompletedFirst Posted
Study publicly available on registry
January 23, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 1, 2026
January 23, 2026
January 1, 2026
5 months
January 16, 2026
January 16, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (6)
Maximum concentration (Cmax)
Cmax of AGA2118 after dosing
Day 1 to up to the end of study (85 days post-dose)
Time to maximum concentration (Tmax)
Tmax of AGA2118 after dosing
Day 1 to up to the end of study (85 days post-dose)
Area under the concentration-time curve (AUC)
AUC of AGA2118 after dosing
Day 1 to up to the end of study (85 days post-dose)
Half-life (t1/2)
t1/2 of AGA2118 after dosing
Day 1 to up to the end of study (85 days post-dose)
Clearance (CL)
CL of AGA2118 after dosing
Day 1 to up to the end of study (85 days post-dose)
Volume of distribution (Vd)
Vd of AGA2118 after dosing
Day 1 to up to the end of study (85 days post-dose)
Secondary Outcomes (1)
Treatment-emergent adverse events (TEAEs)
Baseline to the end of study (85 days post-dose)
Study Arms (5)
Cohort 1 (Japanese)
EXPERIMENTALOne of three single ascending dose cohorts of healthy Japanese participants. Participants will receive a single administration of low dose AGA2118.
Cohort 2 (Japanese)
EXPERIMENTALOne of three single ascending dose cohorts of healthy Japanese participants. Participants will receive a single administration of medium dose AGA2118.
Cohort 3 (Japanese)
EXPERIMENTALOne of three single ascending dose cohorts of healthy Japanese participants. Participants will receive a single administration of high dose AGA2118.
Cohort 4 (Caucasian)
EXPERIMENTALHealthy Caucasian participants will receive a single administration of high dose AGA2118.
Cohort 5 (Chinese)
EXPERIMENTALHealthy Chinese participants will receive a single administration of high dose AGA2118.
Interventions
Participants will receive AGA2118 administered by subcutaneous injection
Eligibility Criteria
You may qualify if:
- Healthy males or females, aged 18 to 65 years
- hydroxyvitamin D ≥30 ng/mL and agree to taking calcium and vitamin D supplements during the study
- Meet the criteria for Japanese, Chinese, or Caucasian ethnicity
You may not qualify if:
- Participating or have participated in another clinical trial within the past 6 months
- Any bone fracture within the past 6 months
- History of myocardial infarction or stroke within the past 12 months
- Malignancy within the past 5 years
- Current hyper- or hypocalcemia
- Pregnant or breastfeeding women, or women planning to become pregnant during the study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Los Angeles EPCU
Glendale, California, 91206, United States
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 16, 2026
First Posted
January 23, 2026
Study Start
January 5, 2026
Primary Completion (Estimated)
June 1, 2026
Study Completion (Estimated)
November 1, 2026
Last Updated
January 23, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will not share