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ACCG-2671

Phase 1

Obesity | Small molecule | Metabolic |Structure Therapeutics Inc.|Last Updated: Sep 11, 2026

Target and mechanism

Molecular targetamylin receptor
Target classReceptor
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment164

FDA Designations

No designations recorded

Clinical trial landscape

ACCG-2671 · 1 trial · 1 indication

Phase 1 1
NCT07815678First-in-human Study of the Safety, Tolerability, Pharmacokinetics, and Food Effect of ACCG-2671Obesity
RECRUITING164 Analytics
PHASE1RECRUITING
First-in-human Study of the Safety, Tolerability, Pharmacokinetics, and Food Effect of ACCG-2671
ObesityUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with one or more adverse events (AEs) as assessed by CTCAE v5.0
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 24 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Number of participants with one or more serious adverse advents (SAEs) as assessed by CTCAE v5.0
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 24 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Number of participants with one or more treatment-emergent adverse events (TEAEs) as assessed by CTCAE v5.0
Baseline to Day 21 (Part 2)
Change from baseline in systolic blood pressure
Baseline to Day 15 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in diastolic blood pressure
Baseline to Day 15 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in heart rate
Baseline to Day 15 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in ECG ventricular heart rate
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); predose to Day 70 (Part 3)
Change from baseline in ECG PR interval
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); predose to Day 70 (Part 3)
Change from baseline ECG QRS duration
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); predose to Day 70 (Part 3)
Change from baseline in ECG QT Interval corrected using Fridericia's Formula (QTcF)
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); predose to Day 70 (Part 3)
Change from baseline in hemoglobin
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in hematocrit
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in thrombocyte count (platelet count)
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in white blood cell (WBC) count
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in prothrombin time
Baseline to day 17 (Part 1, Cohorts 1, 2, and 3); baseline to day 22 (Part 1, Cohorts 4 and 5); baseline to day 21 (Part 2); baseline to day 112 (Part 3)
Change from baseline in international normalized ratio (INR)
Baseline to day 17 (Part 1, Cohorts 1, 2 and 3); baseline to day 22 (Part 1 Cohorts 4 and 5); baseline to day 21 (Part 2); baseline to day 112 (Part 3)
Change from baseline in activated partial thromboplastin time (aPTT)
Baseline to day 17 (Part 1, Cohorts 1, 2 and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in fibrinogen activity
Baseline to Day 17 (Part 1, Cohorts 1, 2 and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in sodium
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in potassium
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in chloride
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in phosphate
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in calcium
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in glucose
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in amylase
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in lipase
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in magnesium
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in albumin
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in lactate dehydrogenase (LDH)
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in creatine kinase
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in creatinine
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in blood urea nitrogen
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in alanine aminotransferase (ALT)
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in total alkaline phosphatase
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in aspartate aminotransferase (AST)
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in gamma-glutamyl transferase (GGT)
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in total bilirubin
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in direct bilirubin
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Change from baseline in indirect bilirubin
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)
Number of participants with abnormal urinalysis parameters
Baseline to Day 17 (Part 1, Cohorts 1, 2, and 3); baseline to Day 22 (Part 1, Cohorts 4 and 5); baseline to Day 21 (Part 2); baseline to Day 112 (Part 3)

Change from baseline in urinalysis (Including pH, specific gravity, glucose, protein, ketones, blood, nitrites, urobilinogen, and leukocyte esterase)

Secondary Endpoints

Maximum observed plasma concentration (Cmax) of ACCG-2671
Predose through Day 22 (Part 1); predose through Day 18 (Part 2); predose through Day 112 (Part 3)
Area under the plasma concentration-time curve from time zero to infinity (AUC0-inf) of ACCG-2671
Predose through Day 22 (Part 1); predose through Day 18 (Part 2)
Area under the plasma concentration-time curve from time zero to the last quantifiable concentration (AUC0-t) of ACCG-2671
Predose through Day 22 (Part 1); predose through Day 18 (Part 2); predose through Day 112 (Part 3)
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part 1 (SAD)EXPERIMENTALAscending doses of ACCG-2671 administered orally in healthy participants
Placebo Part 1 (SAD)PLACEBO_COMPARATORAdministered orally in healthy participants
Part 2 (Food-effect)EXPERIMENTALSingle low dose of ACCG-2671 administered orally in healthy participants under fasted and fed state
ACCG-2671 Part 3 (MAD)EXPERIMENTALEscalating doses of ACCG-2671 administered orally for 84 days in participants living with obesity (BMI≥30 kg/m2)
Placebo Part 3 (MAD)PLACEBO_COMPARATORPlacebo administered orally for 84 days in participants living with obesity (BMI≥30 kg/m2)

Interventions

NameTypeDescription
ACCG-2671DRUGAdministered orally
PlaceboDRUGAdministered orally
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Eligibility Criteria

Age Range25 Years to 75 Years
SexALL
Healthy VolunteersYes
Study Sites6

Inclusion Criteria: * Signed informed consent * Men and women with the following at the time of Screening for Part 1 and 2: ≥25 years and ≤65 years of age and BMI ≥18.0 kg/m2 and \<30.0 kg/m2 * For Part 3, ≥25 years and ≤75 years of age and BMI ≥30.0 kg/m2 * For Part 3, receiving a stable dose of a...

Countries:United States
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Recent Changes (Last 90 Days)

LOWSep 11, 2026NCT07815678NEW_TRIAL: changed
LOWSep 11, 2026NCT07815678NEW_TRIAL: changed