Abstract:
:Tea (Camellia sinensis) is one of the most widely used beverages worldwide and tea consumption has been shown to have an inverse correlation to the incidence of human cancers in epidemiological and experimental studies. In the present study, the protective effects of green tea polyphenols (GTP) and black tea polyphenols (BTP) in Wistar rats were assessed by medium-term bioassay, using altered hepatic foci (AHF) as end point. Animals were exposed to a single dose of diethylnitrosamine (DEN; 200 mg/kg body weight intraperitoneally), and GTP (1%) and BTP (1%) were then administered orally together with 0.05% 2-acetyl aminofluorene (2-AAF) crushed and mixed in the diet for 8 weeks. Numbers of AHF were scored and analyzed by quantitative stereology using the Image analysis system from frozen liver tissue sections. Tea polyphenol supplementation resulted in a significant protection against AHF induction in Wistar rats. In addition, levels of the positive biomarkers: gamma-glutamyl transpeptidase and glutathione-S-transferase (placental form) were reduced with GTP and BTP supplementation. Levels of the negative biomarkers adenosine triphosphatase and glucose-6-phosphatase were also restored by GTP and BTP administration. Thus, these results show the hepatoprotective effects of GTP and BTP against DEN- and 2-AAF-induced AHF development.
journal_name
Invest New Drugsjournal_title
Investigational new drugsauthors
Srivastava S,Singh M,Roy P,Prasad S,George J,Shukla Ydoi
10.1007/s10637-008-9204-6subject
Has Abstractpub_date
2009-12-01 00:00:00pages
526-33issue
6eissn
0167-6997issn
1573-0646journal_volume
27pub_type
杂志文章abstract::Purpose Among alkaloids, abundant secondary metabolites in plants, aporphines constitute a class of compounds with interesting biological activities, including anticancer effects. The present study evaluated the anticancer activities of 14 substances, including four aporphine derivatives acquired through the biomonito...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-019-00784-6
更新日期:2020-02-01 00:00:00
abstract::Ninety per cent of pancreatic adenocarcinomas (PC) contain mutations of the K-Ras proto-oncogene resulting in constitutively activated Ras protein. A critical step in Ras activation is farnesylation of Ras protein. Farnesyl transferase inhibitors are compounds that inhibit farnesylation. We report the results of a pha...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-005-2908-y
更新日期:2005-10-01 00:00:00
abstract::Taxol was administered as a 24-hour continuous infusion at 250 mg/m2 in this Phase II trial in patients with adenocarcinomas of the upper gastrointestinal tract (UGIT). Twenty-five patients were entered between July 1991 and June 1992, twenty-three were eligible and were evaluated for toxicity and twenty-two were asse...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1007/BF00873804
更新日期:1995-01-01 00:00:00
abstract::We previously found that the novel histone deacetylase inhibitor (HDACI) butyroyloxymethyl diethylphosphate (AN-7) had greater selectivity against cutaneous T-cell lymphoma (CTCL) than SAHA. AN-7 synergizes with doxorubicin (Dox), an anthracycline antibiotic that induces DNA breaks. This study aimed to elucidate the m...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-017-0500-x
更新日期:2018-02-01 00:00:00
abstract:PURPOSE:Amrubicin is a novel 9-aminoanthracycline. This multicenter phase II study was conducted to evaluate the efficacy and safety of amrubicin in patients with non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS:Sixty-one previously untreated patients with stage III or IV NSCLC were entered this study. The pat...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1007/s10637-006-5937-2
更新日期:2006-03-01 00:00:00
abstract::Aims A primary objective of this study was to investigate the effect of single and multiple doses of alisertib, an investigational Aurora A kinase inhibitor, on the QTc interval in patients with advanced malignancies. The dose regimen used was the maximum tolerated dose which was also the recommended phase 3 dose (50 ...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-017-0498-0
更新日期:2018-04-01 00:00:00
abstract::SHetA2 is a small molecule flexible heteroarotinoid (Flex-Het) with promising cancer prevention and therapeutic activity. Extensive preclinical testing documented lack of SHetA2 toxicity at doses 25 to 150 fold above effective doses. Knowledge of the SHetA2 molecular target(s) that mediate(s) the mechanism of SHetA2 a...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-013-0041-x
更新日期:2014-06-01 00:00:00
abstract::Objective The aim of the current study was to examine the anticancer activity and the detailed mechanism of novel diisoquinoline derivatives in human gastric cancer cells (AGS). Methods The viability of AGS cells was measured by MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. Cell cycle analy...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-018-0584-y
更新日期:2018-12-01 00:00:00
abstract::Pancreatic cancer is a lethal disease characterized by local invasion and early dissemination. It is resistant to conventional surgical, radiotherapeutic, and chemotherapeutic modalities. These interventions have had minimal impact on overall survival with very few patients enjoying long term survival. Over the past f...
journal_title:Investigational new drugs
pub_type: 杂志文章,评审
doi:10.1023/a:1006383831045
更新日期:2000-02-01 00:00:00
abstract::XK469 (NSC 656889) is a water-soluble member of the novel quinoxaline family of antitumor agents. In vitro, XK469 demonstrated selective cytotoxicity for several murine solid tumors including colorectal and mammary adenocarcinoma cell lines, when compared to both leukemia and normal epithelial cells. In vivo, XK469 wa...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1023/a:1006206814025
更新日期:1998-01-01 00:00:00
abstract::Certain toxic effects of cytotoxic anticancer agents typically evolve over weeks. When such agents are administered weekly, these effects are cumulative. With such schedules, good medical practice mandates dose modifications with mild or moderate toxicity in order to avoid progression to serious or life-threatening to...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1023/a:1025464510639
更新日期:2003-08-01 00:00:00
abstract::Background Metformin use is associated with reduced cancer risk in epidemiological studies and has preclinical anti-cancer activity in ovarian cancer models. The primary objective of this phase I study was to determine the recommended phase II dose (RP2D) of metformin in combination with carboplatin/paclitaxel in pati...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-020-00920-7
更新日期:2020-10-01 00:00:00
abstract::In vitro cytotoxicity and xanthine oxidase inhibition capabilities were investigated for five palladium (II) chelate complexes. The palladium complexes were synthesized by starting from S-alkyl-thiosemicarbazones where the alkyl component is methyl, ethyl, propyl or butyl. The solid complexes are characterized by elem...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-019-00751-1
更新日期:2019-12-01 00:00:00
abstract::Osimertinib is a molecularly targeted agent used to treat non-small cell lung cancer (NSCLC) patients with an epidermal growth factor receptor (EGFR) T790M mutation. However, its efficacy and safety profile when patients have poor performance status (PS) is unknown. Therefore, we conducted an open-label, multi-center,...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-020-00943-0
更新日期:2020-12-01 00:00:00
abstract:BACKGROUND:Dacomitinib (PF-00299804) is an oral, irreversible, small molecule inhibitor of human epidermal growth factor receptor-1, -2, and -4 tyrosine kinases. METHODS:This phase I, open-label, dose-escalation study (clinicaltrials.gov: NCT00783328) primarily evaluated the safety and tolerability of dacomitinib by d...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-011-9789-z
更新日期:2012-12-01 00:00:00
abstract::In a previous study we reported on the synthesis of 1,4-naphthoquinone-sulfides by thiolation of 1,4-naphthohydroquinones with primary aryl and alkyl thiols using laccase as catalyst. These compounds were synthesized as Vitamin K3 analogues. Vitamin K3 (VK3; 2-methyl-1,4-naphthoquinone; menadione) is known to have pot...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-019-00855-8
更新日期:2020-04-01 00:00:00
abstract::There is no effective systemic therapy for disseminated metastatic melanoma. Data suggest that endothelin may play a role in pathophysiology of melanoma and that the dual endothelin receptor antagonist bosentan may have anti-tumor activity. This multicenter, open-label, single-arm, prospective, proof-of-concept study ...
journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究
doi:10.1007/s10637-006-9014-7
更新日期:2007-06-01 00:00:00
abstract::Heparan sulfate mimetics, which we have called the PG500 series, have been developed to target the inhibition of both angiogenesis and heparanase activity. This series extends the technology underpinning PI-88, a mixture of highly sulfated oligosaccharides which reached Phase III clinical development for hepatocellula...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-009-9245-5
更新日期:2010-06-01 00:00:00
abstract::Gemcitabine (GEM) is a novel nucleoside analogue with a unique mechanism of action. Preliminary studies have shown a mild, schedule-dependent toxic profile with a broad range of MTDs and promising antitumor activity in various solid tumors. This phase I study describes the infusion length-effect relationships of low- ...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1023/a:1005817024382
更新日期:1997-01-01 00:00:00
abstract::Rolapitant is a neurokinin-1 receptor antagonist that is approved in combination with other antiemetic agents in adults for the prevention of delayed nausea and vomiting (CINV) associated with initial and repeat courses of emetogenic cancer chemotherapy, including but not limited to highly emetogenic chemotherapy. Her...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1007/s10637-018-0638-1
更新日期:2019-02-01 00:00:00
abstract::Six patients with incurable malignancies were originally treated with vitamin E, 3200 IU/day for fourteen days, followed by the same dose of vitamin E daily plus LCV (20 mg/m2 i.v. bolus daily x 5) with 5FU (425 mg/m2 i.v. bolus immediately following LCV). The same schedule of LCV and 5FU was repeated 4 weeks later, t...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1023/a:1006484031959
更新日期:2001-01-01 00:00:00
abstract::Imidazolium-trans-dimethylsulfoxideimidazoletetrachlororuthenate (NAMI-A) is a ruthenium compound effective on solid tumor metastases. In this study, we evaluated the effects of different routes of administration of NAMI-A on the distribution to primary tumor, lungs and kidneys in BD2F1 hybrids with Lewis lung carcino...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1023/a:1022916310694
更新日期:2003-02-01 00:00:00
abstract:BACKGROUND:Hepatocellular carcinoma (HCC) cells are auxotrophic for arginine, depletion of which leads to tumour regression. The current study evaluated safety, pharmacokinetics (PK)/ pharmacodynamics (PD) parameters, and potential anti-tumor activity of pegylated recombinant human arginase 1 (peg-rhArg1) in advanced H...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-012-9807-9
更新日期:2013-02-01 00:00:00
abstract::In this study, 30 evaluable patients with advanced carcinoma of the breast were treated with cyclophosphamide 600 mg/m2 i.v. followed one day later with mitoxantrone (Novantrone; dihydroxyanthracenedione) 16 mg/m2 i.v. Drug treatment was repeated every 3-4 weeks, for a maximum of 12 cycles. The overall response rate w...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/BF00174165
更新日期:1985-01-01 00:00:00
abstract::Mitonafide is the lead compound of a new series of antitumor drugs, the 3-Nitronaphthalimides, which have shown antineoplastic activity in vitro as well as in vivo. This phase I Mitonafide study in non-small cell lung cancer using a 120-hour continuous infusion (120 h. C.I.) schedule of administration was designed to ...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1007/BF00877242
更新日期:1992-08-01 00:00:00
abstract::The purpose of this study was to assess the efficacy and safety of bevacizumab plus cetuximab with or without gemcitabine in patients with advanced pancreatic adenocarcinoma. Patients with locally advanced or metastatic pancreatic adenocarcinoma, previously untreated, were randomized to bevacizumab (10 mg/kg q2w) plus...
journal_title:Investigational new drugs
pub_type: 杂志文章,随机对照试验
doi:10.1007/s10637-011-9691-8
更新日期:2012-08-01 00:00:00
abstract::The limiting toxicity of low dose continuous infusion 5-fluorouracil (200-300 mg/m2/day) is often palmar-plantar erythrodysesthesia (PPE). PPE developed in 16/25 patients (exact 95% confidence interval of 42%-82%) with metastatic colon cancer enrolled in a phase II trial. In this trial, 5-FU was given continuously at ...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/BF00216925
更新日期:1990-02-01 00:00:00
abstract:PURPOSE:Vorinostat (V) at levels >2.5 µM enhances chemotherapy in vitro. Yet the approved oral dose of 400 mg inconsistently achieves this level in patients. We developed an intermittent oral pulse-dose schedule of V to increase serum levels. We combined V with the cyclin dependent kinase inhibitor flavopiridol (F) whi...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-010-9447-x
更新日期:2011-10-01 00:00:00
abstract:PURPOSE:ZD0473 (AMD473) [cis-amminedichloro(2-methylpyridine) platinum(II)] is a novel platinum agent of proven activity in vitro against a variety of human tumor-derived cell lines even with intrinsic or acquired resistance to CDDP. The aim of this study is to provide the basis for a rational design of ZD0473-based co...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1023/B:DRUG.0000036682.99818.71
更新日期:2004-11-01 00:00:00
abstract:PURPOSE:Combining proteasome and histone deacetylase (HDAC) inhibition has been seen to provide synergistic anti-tumor activity, with complementary effects on a number of signaling pathways. The novel bi-cyclic structure of marizomib with its unique proteasome inhibition, toxicology and efficacy profiles, suggested uti...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-011-9766-6
更新日期:2012-12-01 00:00:00