Phase 2 Trial Evaluating the Efficacy and Safety of RBD5044 in Patients With Mixed Dyslipidemia

The goal of this clinical trial is to learn if drug RBD5044 works to treat mixed dyslipidemia in adults. It will also learn about the safety of drug RBD5044. The main questions it aims to answer are: Does drug RBD5044 reduce the triglyceride levels? What medical problems may participants experience when taking drug RBD5044? Researchers will compare drug RBD5044 to a placebo to see if drug RBD5044 works to treat mixed dyslipidemia. Participants will: Receive RBD5044 or placebo twice during the trial (Day 1 and Day 84). Visit the clinic 11 times during 12 months (visit every 4-8 weeks) for checkups and tests.

Inclusion Criteria: * Willing to comply with protocol required visit schedule and visit requirements and provide written informed consent. * Male or female participants, aged 18 to 80 years inclusive. * Fasting TG level of ≥ 150 mg/dL (≥ 1.69 mmol/L) and \