This clinical trial is for men and women with newly diagnosed with acute Graft vs Host Disease (GvHD).
The purpose of this study is to evaluate if CYP-001 can be effective to treat GvHD that has not responded to steroids.
The study drug used in this study (CYP-001) is experimental. This means that it is not an approved treatment for high-risk acute GvHD by the U.S. Food and Drug Administration (FDA) or anywhere in the world.
Participants will be randomized to receive either CYP-001 IV infusion or placebo. Randomization is like flipping a coin and there is a 50/50 chance of being assigned to either group.
Participation is expected to last about 24 months.
Detailed eligibility will be reviewed when you contact the study team.