D-2570

Healthy Volunteer Study

Single and Multiple Dose and Food Effect Study to Evaluate the Safety, Tolerability and Pharmacokinetics of D-2570 Tablets in Healthy Subjects

The Study is to Investigate D-2570 in Participants With Different Levels of Kidney Function.

A Pharmacokinetic Study of D-2570 in Participants With Hepatic Impairment and Normal Hepatic Function

Evaluate the Efficacy and Safety of D-2570 in Participants With Moderate-to-Severe Plaque Psoriasis

A Phase 2 Study of D-2570 in Subjects With Moderately to Severely Active Ulcerative Colitis

A Study of D-2570 in Patients With Active Systemic Lupus Erythematosus (SLE)

A Phase II Study to Evaluate the Efficacy and Safety of D-2570 in Subjects With Active Psoriatic Arthritis

Evaluate the Efficacy and Safety of D-2570 in Subjects With Moderate to Severe Plaque Psoriasis