This clinical trial is focused on studying a condition known as Graft-versus-Host Disease (GVHD), which can occur after a patient receives a hematopoietic cell transplant (HCT). This condition happens when the donated cells attack the recipient’s body. The study is testing a treatment called Alpha-1 Antitrypsin (AAT), which is being evaluated for its ability to prevent GVHD in patients who have undergone HCT. The treatment involves using a medication called Respreeza, which is a powder and solvent that is mixed to form a solution for infusion into the bloodstream.
The purpose of the study is to assess the safety and effectiveness of AAT in preventing GVHD. Participants in the study will receive either the AAT treatment or a placebo. The study will follow participants over a period of time to monitor for any signs of GVHD, as well as any side effects or other health changes. The study aims to determine if AAT can reduce the occurrence of GVHD and improve the overall health outcomes for patients receiving HCT.
Throughout the study, participants will receive regular medical check-ups and monitoring to ensure their safety and to track the progress of the treatment. The study will provide valuable information on whether AAT can be a beneficial treatment option for preventing GVHD in patients undergoing HCT. This research is important for improving the care and outcomes for patients who require this type of transplant.



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