Publications by authors named "Negar Nejati"

Introduction: Recent advances in hematopoietic stem cell transplantation (HSCT) have improved clinical outcomes; however, various factors continue to influence HSCT success, especially vaccination in immunocompromised patients who receive vaccination at birth. While several studies have investigated the efficacy of vaccines in Chronic Granulomatous Disease (CGD) patients, the specific impact of vaccination on HSCT outcomes in these patients has not yet been studied. This study aimed to address an important gap in the current literature by investigating the effects of BCG vaccination on HSCT outcomes in patients with CGD.

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Acute lymphoblastic leukemia (ALL) predominantly affects children but has poorer outcomes in adults. Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a key consolidation therapy for high-risk patients, but the more commonly employed total body irradiation (TBI) regimen may be inaccessible in resource-limited settings, requiring alternative regimens. This retrospective study evaluated outcomes of 829 adult ALL patients who underwent HLA-matched allo-HSCT with a myeloablative, TBI-free regimen over two decades.

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Introduction: Melanoma, an aggressive skin cancer, has seen treatment advancements with immune checkpoint inhibitors (ICIs) like ipilimumab and nivolumab. Despite improved survival rates, resistance remains a challenge. The recent focus on lymphocyte activation gene-3 (LAG-3) inhibitors, such as relatlimab, shows promise in combination therapies, potentially improving outcomes with fewer adverse effects.

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Background: Certain types of non-Hodgkin lymphoma, such as Follicular Lymphoma (FL) and Diffuse Large B-Cell Lymphoma (DLBCL), often necessitate multiple treatment approaches. One promising avenue is immune checkpoint inhibition, specifically targeting the programmed cell death protein 1 (PD-1). Pembrolizumab, an immunotherapy medication, acts by inhibiting the PD-1 pathway and has gained approval from the United States Food and Drug Administration (FDA) for treating various cancers, including melanoma, Hodgkin lymphoma, lung cancer, and endometrial cancer.

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Background: Despite ongoing advances and introducing innovative therapeutic approaches for the treatment of multiple myeloma (MM), relapses are common, with low overall survival rates. G protein-coupled receptor, class C, group 5, and member D (GPRC5D) has been expressed in several myeloma cell lines and has demonstrated encouraging outcomes results in studies as a potential target for immunotherapies.

Objective: We aimed to investigate the safety and efficacy of GPRC5D-targeted CAR T cell therapies in MM patients.

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Article Synopsis
  • Primary bone tumors (PBTs) are rare but can lead to significant health risks, particularly due to their tendency to spread to the lungs, affecting survival rates based on tumor type and treatment options.
  • Despite progress in treatment over the past 40 years, survival rates for PBT patients have not significantly improved, highlighting the need for new therapies.
  • Current treatments include surgery, radiotherapy, and chemotherapy, with new promising immunotherapies like CAR-T cell therapy being explored to enhance patient outcomes in managing PBTs.
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  • - Despite being less common, T-cell malignancies are highly aggressive and typically have poor outcomes, prompting investigation into CD7-targeted CAR T cell therapy as a potential treatment option.
  • - A systematic review of clinical trials showed an overall response rate of 100%, with high rates of stringent/complete responses (85%) and minimal residual disease negativity (85%), though there were notable hematological toxicities.
  • - The results suggest that targeting CD7 in CAR T cell therapy is both effective and relatively safe for patients with relapsed or refractory T-cell cancers, with most adverse events being manageable.
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  • Pancreatic cancer (PC) is highly lethal with low survival rates, largely due to challenges like drug resistance and an immunosuppressive tumor microenvironment (TME).
  • The TME, particularly the role of macrophages (M1 and M2 types), is crucial in tumor growth and progression, presenting an opportunity for new treatment strategies.
  • Innovative therapeutic approaches targeting tumor-associated macrophages (TAMs) could enhance anti-tumor responses, improve chemotherapy efficacy, and potentially change the treatment landscape for pancreatic cancer.
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