نتایج جستجو برای: platinum

تعداد نتایج: 21545  

2009
Laura Williams Maurie Markman

The relatively rapid development of a platinum-associated hypersensitivity reaction in an ovarian cancer patient receiving second-line chemotherapy more than a decade following her last course of primary platinum-based chemotherapy demonstrates that the prolonged persistence of immune cells recognizing platinum after sensitization has been established.

Journal: :Dalton transactions 2015
Leandro M O Lourenço Bernardo A Iglesias Patrícia M R Pereira Henrique Girão Rosa Fernandes Maria G P M S Neves José A S Cavaleiro João P C Tomé

The new complexes tetra-platinum(II)-thiopyridylporphyrin 3 and tetra-platinum(II)-thiopyridylporphyrinato Zn(II) 4 were obtained by coordination of the peripheral thiopyridyl units of the free-base 5,10,15,20-tetrakis[2,3,5,6-tetrafluoro-4-(4-pyridylsulfanyl)phenyl]porphyrin 1 or their corresponding zinc complex 2, respectively, with four chloro(2,2'-bipyridine)platinum(II) [Pt(bpy)Cl](+) unit...

2017
Abigail S. Zamorano Leping Wan Matthew A. Powell L. Stewart Massad

Our objective was to assess overall survival of cervical cancer patients following prior platinum/bevacizumab chemotherapy, comparing retreatment with platinum/bevacizumab with alternative therapies. A retrospective analysis was performed of women who received platinum/bevacizumab (PB) chemotherapy for cervical cancer at Washington University between July 1, 2005 and December 31, 2015. Wilcoxon...

Journal: :Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer 2015
Primo N Lara James Moon Mary W Redman Thomas J Semrad Karen Kelly Jeffrey W Allen Barbara J Gitlitz Philip C Mack David R Gandara

BACKGROUND Extensive-stage small-cell lung cancer (SCLC) patients who progress after platinum-based chemotherapy are traditionally categorized as platinum sensitive (progression ≥ 90 days from last platinum dose) or refractory (progression < 90 days), a practice arising from seminal observations of worse survival in refractory patients. Subsequent trials accounted for platinum sensitivity, resu...

2014
Hani Gabra

Ovarian cancer is the 5th most common cancer found in women in the UK. It is the leading cause of death from gynaecological cancer, and is the 4th most common cause of cancer death among UK women. Similar to the majority of other cancers, relative survival rates for ovarian cancer are improving, although 5-year mortality rates remain stubbornly low. The stage of the disease at diagnosis is the ...

2013
Gonzalo Tapia Ivan Diaz-Padilla

In 2012, approximately 22,280 women will be diagnosed with ovarian carcinoma in the United States and roughly 15,500 will die from this disease, ranked the most common cause of death among gynecologic malignancies in developed countries [1]. Most women with epithelial ovarian cancer (EOC) present with advanced disease (stage III or IV) at the time of diagnosis. This phenomenon is mainly due to ...

Journal: :General physiology and biophysics 1985
N Akimenko P Cheltsov Z Balcarová V Kleinwächter Y u Yevdokimov

The optical properties of the DNA complexes with divalent platinum compounds of the cis-diamine type differing both in the nature of anionic and neutral ligands and in the spatial arrangement about the platinum atom were studied. The platinum compounds cis-[Pt(NH3)2Cl2], [Pt(en)Cl2], [Pt(tetrameen)Cl2], cis-[Pt(NH3)2NO2Cl], and cis-[PtNH3(Bz)Cl2] at small values of r (r is the molar ratio of a ...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2017
Ying Chen Sandra Catalina Camacho Thomas R Silvers Albiruni R A Razak Nashat Y Gabrail John F Gerecitano Eva Kalir Elena Pereira Brad R Evans Susan J Ramus Fei Huang Nolan Priedigkeit Estefania Rodriguez Michael Donovan Faisal Khan Tamara Kalir Robert Sebra Andrew Uzilov Rong Chen Rileen Sinha Richard Halpert Jean-Noel Billaud Sharon Shacham Dilara McCauley Yosef Landesman Tami Rashal Michael Kauffman Mansoor R Mirza Morten Mau-Sørensen Peter Dottino John A Martignetti

Purpose: The high fatality-to-case ratio of ovarian cancer is directly related to platinum resistance. Exportin-1 (XPO1) is a nuclear exporter that mediates nuclear export of multiple tumor suppressors. We investigated possible clinicopathologic correlations of XPO1 expression levels and evaluated the efficacy of XPO1 inhibition as a therapeutic strategy in platinum-sensitive and -resistant ova...

Journal: :Journal of experimental pharmacology 2011
Ulrike Olszewski Ernst Ulsperger Klaus Geissler Gerhard Hamilton

Platinum(IV) coordination complexes like oxoplatin (cis,cis,trans-diammine-dichlorido-dihydroxido-platinum[IV]) show high stability and therefore can be utilized orally for outpatient care. Although oxoplatin is capable of binding directly to DNA after prolonged incubation, platinum(IV) agents are considered to be largely inert prodrugs that are converted to highly cytotoxic platinum(II) compou...

Journal: :British Journal of Cancer 1994
M. J. McKeage G. Abel L. R. Kelland K. R. Harrap

Intrinsic resistance to existing clinical platinum drugs is a major cause of treatment failure; moreover, these agents have the drawbacks of cross-resistance and intravenous administration. The mechanism of intrinsic cisplatin resistance and the mechanism of circumvention of intrinsic resistance by a member (JM221) of the ammine/amine platinum (IV) dicarboxylate class of platinum complex was st...

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