About this trial
This is a single-centre, randomized, double-blind, placebo-controlled Phase 1 study to assess safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and immunogenicity of HL40626S tablets following single and multiple ascending oral doses to healthy adult participants aged 18-55 years.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Capable of understanding the written informed consent document; willingly provides valid, signed written informed consent; willing and able to comply with the schedule, requirements and restrictions of the study.
Between the ages of 18.0 and 55.0 years (inclusive) at the time of Screening.
BMI between 18.0 and 32.0 kg/m2 (inclusive) at the time of Screening, with a body weight ≥ 50 kg.
In good general health, as determined by the Investigator.
Disqualifiers
Clinically significant abnormal medical history, such as gastrointestinal, cardiovascular, musculoskeletal, endocrine, hematologic, psychiatric, renal, hepatic, bronchopulmonary, neurologic, immunologic, lipid metabolism disorders, drug hypersensitivity, as determined by the Investigator, any abnormal findings on physical examination, VS measurements, ECG or laboratory tests at Screening, Admission or pre dose on Day 1 that, in the opinion of the Investigator, could jeopardize achieving the study objectives and/or compromise the participant's safety.
Any out-of-range ECG parameter(s) or abnormal finding(s) considered clinically significant by the Investigator.
Any ECG finding that, in the opinion of the Investigator, may compromise interpretation of ECG for cardiac safety assessments and/or complicate interpretation of events that may occur post dose (e.g., QT not accurately measurable, conduction abnormalities).
Participants with QTcF >450 msec (if male) or >470 msec (if female) will be excluded.
Trial design
Sequential
Treatments tested in this trial
HL40626S tablets
DrugOral study tablets administered in a dose-escalation design
HL40626S placebo
DrugInactive oral placebo tablets matching the active drug dose-escalation scheme
Treatment groups
Trial outcomes
Primary outcomes
Parts 1 (SAD) and 2 (MAD): Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Assess incidence, severity, causality and clinical outcome of treatment-emergent adverse events (TEAEs) graded per CTCAE Version 6.0 to characterize the safety and tolerability of HL40626S in Part 1 (SAD) and Part 2 (MAD).
Parts 1 (SAD) and 2 (MAD): Incidence of serious adverse events (SAEs) [Safety and Tolerability]
Assess Incidence, severity, causality, and clinical outcome of serious adverse events (SAEs) graded per CTCAE Version 6.0 to characterize the safety and tolerability of HL40626S in Part 1 (SAD) and Part 2 (MAD).
Parts 1 (SAD) and 2 (MAD): Proportion of participants with clinically significant abnormal findings in physical examinations, vital signs, clinical laboratory tests, and 12-lead ECG assessments relative to baseline [Safety and Tolerability]
Abnormal findings from physical examinations, vital sign measurements, laboratory analyses and 12-lead ECG tracings are compared against each participant's baseline values to support the overall safety and tolerability assessment of HL40626S in Part 1 (SAD) and Part 2 (MAD).
Secondary outcomes
Part 1 (SAD): Maximum observed plasma concentration (Cmax)
Calculate peak plasma HL40626S concentration following a single fasting oral administration
Part 1 (SAD): Time to maximum observed plasma concentration (Tmax)
Record the time point corresponding to the observed Cmax after single fasting oral administration.
Part 1 (SAD): Area under the plasma concentration-time curve from time zero to last measurable concentration (AUClast)
Calculate AUClast via plasma concentration data collected over the sampling period following single-dose administration.
Part 1 (SAD): Area under the plasma concentration-time curve extrapolated to infinite time (AUCinf)
Assess the area under the plasma concentration-time curve extrapolated to infinite time (AUCinf) following single dose of HL40626S.
Sponsors and contacts
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