This study aims to investigate the safety, tolerability and pharmacokinetic characteristics of KR23248 capsules in healthy subjects. This study will be conducted in China. It will enroll male and female participants aged 18 years to 45 years.
Healthy male/female subjects aged ≥ 18 years and ≤ 45 years (inclusive) at the time of signing the informed consent form.
Body Mass Index (BMI) ranging from 18.5 to 28.0 kg/m² (inclusive) at screening; male subjects with body weight ≥50 kg and female subjects with body weight ≥45 kg.
Subjects who voluntarily participate in the trial and sign the informed consent form after understanding the purpose, content, procedures, and potential risks of the trial.
Subjects who can communicate well with the investigators, are willing and able to comply with lifestyle restrictions specified in the protocol, and cooperate with study procedures.
Subjects with any diseases or dysfunctions in present illness and medical history that may interfere with the clinical trial, including but not limited to neurological and psychiatric diseases, cardiovascular diseases (e.g., congenital long QT syndrome), urinary system disorders, digestive system disorders, respiratory system disorders, musculoskeletal system disorders, metabolic and endocrine system disorders, skin diseases, hematological diseases, immune system diseases, and tumors.
Subjects with any surgical condition or medical history that may significantly affect drug absorption, distribution, metabolism and excretion, or may pose a risk to the subject participating in the trial; such as a history of gastrointestinal surgery (gastrectomy, gastroenterostomy, enterectomy, etc.), urinary tract obstruction or dysuria, gastroenteritis, peptic ulcer, and history of gastrointestinal bleeding.
Subjects with a history of severe allergic reactions or known hypersensitivity to any ingredients of the investigational product.
Subjects with current or previous psychiatric disorders or cerebral dysfunction; those assessed to be at suicide risk based on the Columbia-Suicide Severity Rating Scale (C-SSRS), or by the investigator's clinical assessment, or those with a history of self-harm behavior.
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Treatment groupsSee each treatment group below.