Clinical Research Directory

Inclusion Criteria: * Age≥ 18 years old, no gender restriction; * Meet the criteria for high-risk groups for PEI; * AGI≤ Class II, hemodynamically stable, meeting EN initiation criteria; * Estimated duration of enteral nutrition support therapy: ≥7 days; * The subject or their legally authorized family member must sign the informed consent form Exclusion Criteria: * Patients who have been clearly diagnosed with PEI or chronic persistent PEI; * Patients who have contraindications to enteral nutrition therapy; * Patients with severely impaired liver or kidney function; * Patients who suffer from amino acid metabolism disorders, severe malnutrition, or cachexia; * Patients who have received pancreatic enzyme replacement therapy or taken any medications that may affect protein absorption within 7 days prior to enrollment; * Patients for whom the expected length of ICU stay is less than 7 days; * Pregnant or lactating women, as well as patients with mental illnesses; * Patients who are allergic to any component of the study medication.