Abstract:
:The fusion toxin DT388IL3 composed of the catalytic and translocation domains of diphtheria toxin (DT388) linked to interleukin-3 (IL3) was administered to 6 cynomolgus monkeys which possessed cross-reactive IL3 receptors. Groups of 2 animals (1 male and 1 female) received up to 6 every other day slow intravenous infusions of 40, 60, or 100 microg/kg DT388IL3. Monkeys given 40 or 60 microg/kg showed mild or moderate transient malaise and anorexia, respectively, without evidence of organ damage by blood tests or histopathology. Animals treated at 100 microg/kg showed severe malaise and anorexia. The female monkey had moderate to severe vasculitis in multiple tissues. Necropsies were performed on the 40 microg/kg monkeys on day 14 and the 100 microg/kg monkeys on days 6 and 7. DT388IL3 plasma half-life was approximately 30 min with a peak concentration of 0.45 microg/ml or 10,000 pM (IC50 for AML blasts treated in vitro was 6 pM). Immune responses were minimal in 4 animals tested at 12 days and 2 animals tested at 30 days post treatment with anti-DT388IL3 levels < 1 microg/ml. Bone marrow aspirates were obtained on all animals at day 19 or at necropsy and revealed myeloid suppression in the females and myeloid hyperplasia in the males irrespective of dose groups. The maximal tolerated dose of 60 microg/kg for 6 doses is markedly higher than other recombinant diphtheria toxins and provides a dose level sufficient for anti-leukemic activity in vitro and in rodent models. Thus, we propose this agent is a promising drug for AML patients.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Cohen KA,Liu TF,Cline JM,Wagner JD,Hall PD,Frankel AEdoi
10.1080/10428190410001663572keywords:
subject
Has Abstractpub_date
2004-08-01 00:00:00pages
1647-56issue
8eissn
1042-8194issn
1029-2403pii
HXENEU9HE0QKMV92journal_volume
45pub_type
杂志文章abstract::Pixantrone is a potentially more effective, less cardiotoxic alternative to doxorubicin for patients with aggressive non-Hodgkin lymphoma (aNHL). This phase I/II non-comparative study evaluated pixantrone in place of doxorubicin in the standard CHOP regimen (cyclophosphamide, doxorubicin, vincristine, and prednisone),...
journal_title:Leukemia & lymphoma
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abstract::The proteasome inhibitor carfilzomib is highly effective in the treatment of multiple myeloma. It irreversibly binds the chymotrypsin-like active site in the β5 subunit of the 20S proteasome. Despite impressive response rates when carfilzomib is used in combination with immunomodulatory agents in newly diagnosed multi...
journal_title:Leukemia & lymphoma
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abstract::Peripheral blood progenitor cells are being used increasingly as part of the treatment protocol for a variety of haematological malignancies. The most appropriate mobilisation therapy and the optimum collection procedures have yet to be fully elucidated. 28 patients with myeloma (9), NHL (11) and HD (8) underwent PBSC...
journal_title:Leukemia & lymphoma
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abstract::Although the association of bone marrow fibrosis with plasma cell dyscrasias has already been described in several reports, the close relationship between these entities still remains unclear. In this report we describe a patient with clinical and pathologic findings which initially suggested a diagnosis of myelofibro...
journal_title:Leukemia & lymphoma
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abstract::A new Ph1-positive acute lymphoblastic leukemia cell line, designated as ALL/MIK, has been developed from a patient with Ph1-positive acute leukemia. The ALL/MIK cells showed an immunophenotype of common ALL with rearranged JH and Jk genes. The ALL/MIK cells showed no M-bcr rearrangement using Southern blot analysis w...
journal_title:Leukemia & lymphoma
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abstract::Long-term survivors of childhood leukemia are at risk for neurocognitive impairment, although the neurophysiological basis is not well understood. The purpose of this study was to explore associations between changes in cerebrospinal fluid (CSF) phospholipids and neurocognitive function in children undergoing chemothe...
journal_title:Leukemia & lymphoma
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abstract::The management of lymphoma in patients with primary immunodeficiency (PID) is challenging because of its poor prognosis and complex therapeutic approaches. We conducted a systematic literature review of case-reports, case-series, and cohorts indexed in MEDLINE reporting the association of lymphoma and PID. One hundred...
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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abstract::Leukemia is a result of accumulating genetic alterations. The collaboration of mutations that offer survival and proliferative signals, together with mutations that result in lack of differentiation, is thought to cause a leukemic phenotype. The cyclic-AMP Response Element Binding Protein (CREB) is a transcription fac...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::This study was planned as a phase 3 trial to investigate low-dose fludarabine with or without darbepoetin alfa in older patients with previously untreated or treated chronic lymphocytic leukemia (CLL) and comorbidity. Due to slow recruitment, the study was terminated prematurely after accrual of 97 patients who, on av...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章,多中心研究,随机对照试验
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abstract::In this study, we report that the related adhesion focal tyrosine kinase RAFTK, is an upstream kinase in beta1 integrin mediated activation of Akt. Stimulation through beta1 integrins by fibronectin reversed apoptosis induced by adriamycin. Inhibitors of phosphatidylinositol 3-kinase (PI3 kinase)/Akt (LY 294002), tyro...
journal_title:Leukemia & lymphoma
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abstract::This study was designed to investigate the immunostimulatory effect of low dose Il-2 treatment in B-CLL patients previously treated with 2-chlorodeoxyadenosine (2CdA) in whom severe depletion of T lymphocyte subsets was observed. Four patients enrolled into the study had previously been treated with 3-6 courses of 2Cd...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Treatment of a 74 year old patient with chronic myelogenous leukemia (CML) with busulphan resulted in an abrupt and pronounced decrease of the white blood cell (WBC) count with restoration of normal peripheral blood cell morphology and regression of splenomegaly. The Philadelphia positive (Ph+) clone was however still...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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