Clinical trials

This study is divided two parts into: Part A and Part B. Part A will recruit 24 research participants, and Part B will recruit 16 research participants.

This is a single-center, non-randomized, open-label, parallel-group study. It will test D-2570 in people with liver problems and in people with healthy livers, to see how the drug moves through the body and whether it is safe.

This study tests D-2570, an investigational drug, in people with non-segmental vitiligo to check its safety and effect on skin discoloration. Eligible participants will take D-2570, or a placebo, once daily for 24 weeks in a double-blind setting. Most will then continue into a 24-week extension phase All participants will have a 4-week safety follow-up after treatment ends, with regular check-ups and blood tests throughout the study.

A Study looking at the safety and efficacy of D-2570 in Participants with Plaque Psoriasis

This study is a randomized, double-blind, placebo- and active-controlled multicenter clinical trial involving patients with moderate to severe plaque psoriasis. Safety and efficacy assessments will be conducted during the scheduled study visits throughout the trial. After completing the respective treatment, all subjects will undergo a safety follow-up. Both the investigators and subjects will remain blinded throughout the entire treatment period. During the study, subjects are required to provide blood samples for pharmacokinetic (PK) and pharmacodynamic (PD) analyses at the time points specified in the trial protocol.

This study is a multicenter, randomized, double-blind, placebo-controlled Phase II clinical trial designed to evaluate the efficacy and safety of D-2570 in the treatment of active systemic lupus erythematosus.

This study is a multicenter, randomized, double-blind, placebo-controlled clinical trial. The target population is patients with active psoriatic arthritis. A total of 222 subjects are planned to be included.

This is a randomized, parallel-controlled, open-label, multicenter clinical study to assess the efficacy and safety of D-0502 in the treatment of subjects with ER-positive, HER2-negative locally advanced or metastatic breast cancer with fulvestrant injection as a control drug.

This study is a randomized, double-blind, placebo-controlled multicenter clinical trial targeting subjects with moderate to severe plaque psoriasis.