Xencor, Inc.

This early-stage trial tests two experimental drugs, XmAb541 and XmAb808, in people with advanced ovarian cancer that has come back or spread. The main goal is to see if the combination is safe and find the best dose. About 90 adults with a specific tumor marker (CLDN6) will take…

This early-stage study tests a new drug called XmAb819 in people with advanced clear cell kidney cancer that has come back or not responded to standard treatments. The main goal is to check the drug's safety and find the best dose. About 307 participants will receive the drug int…

This early-phase trial is testing a new biologic drug called XmAb657 in 60 people, including healthy volunteers and those with autoimmune diseases like scleroderma, Sjögren's disease, and idiopathic inflammatory myopathies. The main goal is to check safety and how the body handle…

This early-stage trial is testing a new biologic drug called plamotamab in 68 adults with moderate to severe rheumatoid arthritis (RA) who haven't gotten enough relief from other treatments. The drug is given as a shot under the skin, and the main goal is to see if it's safe and …

This study tests a new antibody drug called XmAb942 for moderate-to-severe ulcerative colitis, a chronic inflammatory bowel disease. First, healthy volunteers will receive the drug to check safety. Then, about 270 people with ulcerative colitis will get either XmAb942 or a placeb…

This early-stage trial is testing a new drug called XmAb541 in people with advanced ovarian, endometrial, or germ cell tumors that have not responded to standard treatments. The main goal is to see if the drug is safe and to find the best dose. About 282 participants will receive…

This study tests the safety and tolerability of a new drug called XmAb412, a monoclonal bispecific antibody, in healthy adults aged 18 to 55. Participants receive either the drug or a placebo, and researchers monitor for side effects and how the drug moves through the body. The g…