نتایج جستجو برای: melphalan
تعداد نتایج: 4419 فیلتر نتایج به سال:
Melphalan (i.-phenylalanine mustard, L-PAM, alkeran; molecular weight, 305,000) is transported across tumor cell membranes and the blood-brain barrier by the large neutral amino acid (LNÕA) transport system. Normally, plasma LNAA levels are high enough and the affin ity low enough that this system does not transport much melphalan into the brain. However, plasma amino acids can be reduced by f...
High-dose therapy (HDT) with autologous stem cell transplantation (ASCT) is the standard of care for eligible newly diagnosed multiple myeloma (MM) patients. Several randomized studies showed a survival advantage for patients undergoing transplantation, compared with conventional chemotherapy. Introduction of new drugs in this setting has markedly increased survival rates within the last 10 yea...
Stability ofMelphalan Solution for Intravitreal Injection for Retinoblastoma Intravitreal injections for the treatmentof retinoblastomahave been gaining relevance among ophthalmologists, supported by reports on outcome and improvement of the administration technique.1 Currently, doses up to 30 μg per injection are used according to an extensively described technique for intravitreal injection t...
Melphalan transport by exponentially dividing BALB/c 3T3 mouse fibroblasts was approximately 3-fold greater at the steady-state than that observed with resting cells at drug concentrations ranging from 1 to 100 P.M.Both the rate of incorporation of (3H|thymidine and the percentage of S-phase cells estimated by a fluorescent cell sorter provided evidence of higher DNA synthetic activity in logar...
Alterations in checkpoint and DNA repair pathways may provide adaptive mechanisms contributing to acquired drug resistance. Here, we investigated the levels of proteins mediating DNA damage signaling and -repair in RPMI8226 multiple myeloma cells and its Melphalan-resistant derivative 8226-LR5. We observed markedly reduced steady-state levels of DNA glycosylases UNG2, NEIL1 and MPG in the resis...
BACKGROUND This open-label, randomized, phase 3 study compared melphalan at a dose of 200 mg per square meter of body-surface area plus autologous stem-cell transplantation with melphalan-prednisone-lenalidomide (MPR) and compared lenalidomide maintenance therapy with no maintenance therapy in patients with newly diagnosed multiple myeloma. METHODS We randomly assigned 273 patients 65 years o...
Previous NMR studies demonstrated that lonidamine (LND) selectively diminishes the intracellular pH (pHi) of DB-1 melanoma and mouse xenografts of a variety of other prevalent human cancers while decreasing their bioenergetic status (tumor βNTP/Pi ratio) and enhancing the activities of melphalan and doxorubicin in these cancer models. Since melphalan and doxorubicin are highly toxic agents, we ...
Melphalan transport by exponentially dividing BALB/c 3T3 mouse fibroblasts was approximately 3-fold greater at the steady-state than that observed with resting cells at drug concentrations ranging from 1 to 100 microM. Both the rate of incorporation of [3H]thymidine and the percentage of S-phase cells estimated by a fluorescent cell sorter provided evidence of higher DNA synthetic activity in l...
Paired mixtures of melphalan-sensitive and relatively insensitive tumor cell subpopulation lines, originally derived from the same mammary tumor, were injected s.c. into syngeneic mice. When tumors were palpable, the mice were treated with melphalan at doses shown to be effective against the melphalan-sensitive subpopulations. Sensitivity was assessed by the loss of colony-forming ability of tu...
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