The goal of this clinical study is to learn more about the safety and effectiveness of the study drugs, KITE-363 and KITE-753, in participants with relapsed and/or refractory B-cell lymphoma.

This phase II trial tests the effect of nemtabrutinib in combination with brexucabtagene autoleucel (brexu-cel) in treating patients with mantle cell lymphoma that has come back after a period of improvement (relapsed) or that has not responded to previous treatment (refractory). Nemtabrutinib, a BTK inhibitor, may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Chimeric antigen receptor (CAR) T-cell therapy, such as brexu-cel, is a type of treatment in which a patient's T cells (a type of immune system cell) are changed in the laboratory so they will attack cancer cells. T cells are taken from a patient's blood. Then the gene for a special receptor that binds to a certain protein on the patient's cancer cells is added to the T cells in the laboratory. The special receptor is called a CAR. Large numbers of the CAR T cells are grown in the laboratory and given to the patient by infusion for treatment of certain cancers. Chemotherapy, such as fludarabine and cyclophosphamide, are given before CAR T cell therapy to help kill cancer cells in the body and help make room for the CAR T cells. Giving nemtabrutinib in combination with brexu-cel may be safe, tolerable, and/or effective in treating patients with relapsed or refractory mantle cell lymphoma.

The goal of this clinical study is to compare the study drug KITE-753 versus axicabtagene ciloleucel (axi-cel) in adult participants with relapsed or refractory (r/r) large B-cell lymphoma (LBCL) after one prior line of therapy.

The primary objective of this study is to evaluate the efficacy of KITE-753 versus axicabtagene ciloleucel.

This clinical trial will study ruxolitinib-based treatment of acute graft-versus-host-disease (GVHD) that developed following allogeneic hematopoietic cell transplant. Acute GVHD occurs when donor cells attack the healthy tissue of the body. The most common symptoms are skin rash, jaundice, nausea, vomiting, and/or diarrhea. The standard treatment for GVHD is high dose steroids such as prednisone or methylprednisolone, which suppresses the donor cells, but sometimes there can be either no response or the response does not last. In these cases, the GVHD can become dangerous or even life threatening. High dose steroid treatment can also cause serious complications. Researchers have developed a system, called the Minnesota risk system, to help predict how well the GVHD will respond to steroids based on the symptoms present at the time of diagnosis. The Minnesota risk system classifies patients with newly diagnosed acute GVHD into two groups with highly different responses to standard steroid treatment and long-term outcomes. This protocol maximizes efficiency because all patients with grade II-IV GVHD are eligible for screening and treatment is assigned according to patient risk. Patients with lower risk GVHD, Minnesota standard risk, have high response rates to steroid treatment. In this trial the researchers will test whether ruxolitinib alone is as effective (non-inferior) as steroid-free therapy and safe. Patients will be randomized to two different doses of ruxolitinib to identify the dose which maximizes efficacy while minimizing toxicities such as hematologic and infectious toxicities. Patients with higher risk GVHD, Minnesota high risk, have unacceptable outcomes with systemic corticosteroid treatment alone and the researchers will test whether adding ruxolitinib, a proven effective second line GVHD treatment, can improve outcomes when added to systemic corticosteroids as first line treatment.

The purpose of this study is to assess Tacrolimus/Methotrexate/Ruxolitinib versus Post-Transplant Cyclophosphamide/Tacrolimus/Mycophenolate Mofetil in Non-Myeloablative/Reduced Intensity Conditioning Allogeneic Peripheral Blood Stem Cell Transplantation