This is a pilot bioequivalence study. It is a randomized, open-label, single-dose, crossover study. The primary objective of this study is to preliminarily evaluate the pharmacokinetic parameters and their variability of the test formulation versus the reference formulation following a single oral dose under fed conditions.
Healthy male or female participants；
Age from 18 to 45 years, inclusive；
Body Mass Index (BMI) between 19.0 and 26.0 kg/m² (inclusive). Male participants must weigh at least 50.0 kg, and female participants must weigh at least 45.0 kg；
From the time of signing the informed consent form until 3 months after the last dose, participants must have no plans for pregnancy or sperm donation and must be willing to use effective contraceptive measures；
Any clinically significant abnormalities in laboratory tests or a history of clinically significant diseases, including but not limited to cardiovascular, cerebrovascular, hepatic, renal, respiratory, gastrointestinal, neurological, hematological, immune, oncological, psychiatric, or endocrine/metabolic disorders;
Known history of severe allergies (e.g., allergy to more than 3 allergens, allergies affecting the lower respiratory tract such as allergic asthma, allergies requiring glucocorticoid treatment) or a known history of allergy to any component of the investigational products;
Previous surgery that could affect drug absorption, distribution, metabolism, or excretion (e.g., subtotal gastrectomy), or a history of gastrointestinal, hepatic, or renal disease within the last 6 months that could affect drug absorption or metabolism;
Surgery within 3 months prior to screening or planned surgery during the study period;