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      Drug Design, Development and Therapy (submit here)

      This international, peer-reviewed Open Access journal by Dove Medical Press focuses on the design and development of drugs, as well as the clinical outcomes, patient safety, and programs targeted at the effective and safe use of medicines. Sign up for email alerts here.

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      Apatinib for molecular targeted therapy in tumor

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          Abstract

          As tumor angiogenesis is one of the hallmarks of cancer, the inhibition of vascular endothelial growth factor signaling has become an attractive anticancer approach. Apatinib, a small-molecule inhibitor of vascular endothelial growth factor receptor-2, has demonstrated encouraging anticancer activity across a broad range of malignancies, including gastric cancer, non-small-cell lung cancer, breast cancer, and hepatocellular carcinoma. In this up-to-date review, focus is not only on the structure, mechanisms, and pharmacokinetics of apatinib, but also on summarizing clinical trials and making recommendations of apatinib for patients with advanced solid tumors.

          Most cited references29

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          YN968D1 is a novel and selective inhibitor of vascular endothelial growth factor receptor-2 tyrosine kinase with potent activity in vitro and in vivo.

          Shu Tian, Haitian Quan, Chengying Xie … (2011)
          Angiogenesis is an important process in cell development, especially in cancer. Vascular endothelial growth factor (VEGF) signaling is an important regulator of angiogenesis. Several therapies that act against VEGF signal transduction have been developed, including YN968D1, which is a potent inhibitor of the VEGF signaling pathway. This study investigated the antitumor activity of YN968D1 (apatinib mesylate) in vitro and in vivo. YN968D1 potently suppressed the kinase activities of VEGFR-2, c-kit and c-src, and inhibited cellular phosphorylation of VEGFR-2, c-kit and PDGFRβ. YN968D1 effectively inhibited proliferation, migration and tube formation of human umbilical vein endothelial cells induced by FBS, and blocked the budding of rat aortic ring. In vivo, YN968D1 alone and in combination with chemotherapeutic agents effectively inhibited the growth of several established human tumor xenograft models with little toxicity. A phase I study of YN968D1 has shown encouraging antitumor activity and a manageable toxicity profile. These findings suggest that YN968D1 has promise as an antitumor drug and might have clinical benefits. © 2011 Japanese Cancer Association.
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            Multicenter phase II study of apatinib, a novel VEGFR inhibitor in heavily pretreated patients with metastatic triple-negative breast cancer.

            Xichun Hu, Jian Jian Zhang, Binghe Xu … (2014)
            Apatinib is an oral, highly potent tyrosine-kinase inhibitor targeting VEGFR2. Phase I study showed the recommended dose of 750 mg/day with substantial antitumor activity. This phase II study aims to evaluate the optimum dose level for the efficacy and safety of apatinib monotherapy in heavily pretreated patients with metastatic triple negative breast cancer (mTNBC) in China. Phase IIa was first performed among 25 patients previously treated with anthracycline and/or taxane. All patients received apatinib 750 mg/day p.o. in a 4-week cycle. Subsequently, a phase IIb study of 59 patients was activated, with the endpoint progression-free survival (PFS). The dosage of drug for the Phase IIb was determined according to safety, tolerability and efficacy from the phase IIa study. As a result of toxicity associated with the 750 mg dose in phase IIa, the recommended initial dose of apatinib in the phase IIb was 500 mg/day. In phase IIb, grade 3/4 hematologic toxicities were thrombocytopenia (13.6%), leukopenia (6.8%), neutropenia (3.4%) and anemia (1.7%). The most frequent grade 3/4 nonhematologic toxicities were hand-foot syndrome, proteinuria, hypertension, and increased ALT. In the 56 evaluable patients, overall response rate and clinical benefit rate (CBR) were 10.7 and 25.0%, respectively. Median PFS and overall survival were 3.3 (95% CI 1.7-5.0) and 10.6 (95% CI 5.6-15.7) months, respectively. Our results indicate that apatinib dose of 500 mg rather than 750 mg is the recommended starting dose for the heavily pretreated mTNBC patients with measurable rate of partial response and PFS. © 2014 UICC.
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              Apatinib (YN968D1) reverses multidrug resistance by inhibiting the efflux function of multiple ATP-binding cassette transporters.

              Yan-Jun Mi, Yong-Ju Liang, Hong-Bing Huang … (2010)
              Apatinib, a small-molecule multitargeted tyrosine kinase inhibitor, is in phase III clinical trial for the treatment of patients with non-small-cell lung cancer and gastric cancer in China. In this study, we determined the effect of apatinib on the interaction of specific antineoplastic compounds with P-glycoprotein (ABCB1), multidrug resistance protein 1 (MRP1, ABCC1), and breast cancer resistance protein (BCRP, ABCG2). Our results showed that apatinib significantly enhanced the cytotoxicity of ABCB1 or ABCG2 substrate drugs in KBv200, MCF-7/adr, and HEK293/ABCB1 cells overexpressing ABCB1 and in S1-M1-80, MCF-7/FLV1000, and HEK293/ABCG2-R2 cells overexpressing ABCG2 (wild-type). In contrast, apatinib did not alter the cytotoxicity of specific substrates in the parental cells and cells overexpressing ABCC1. Apatinib significantly increased the intracellular accumulation of rhodamine 123 and doxorubicin in the multidrug resistance (MDR) cells. Furthermore, apatinib significantly inhibited the photoaffinity labeling of both ABCB1 and ABCG2 with [(125)I]iodoarylazidoprazosin in a concentration-dependent manner. The ATPase activity of both ABCB1 and ABCG2 was significantly increased by apatinib. However, apatinib, at a concentration that produced a reversal of MDR, did not significantly alter the ABCB1 or ABCG2 protein or mRNA expression levels or the phosphorylation of AKT and extracellular signal-regulated kinase 1/2 (ERK1/2). Importantly, apatinib significantly enhanced the effect of paclitaxel against the ABCB1-resistant KBv200 cancer cell xenografts in nude mice. In conclusion, apatinib reverses ABCB1- and ABCG2-mediated MDR by inhibiting their transport function, but not by blocking the AKT or ERK1/2 pathway or downregulating ABCB1 or ABCG2 expression. Apatinib may be useful in circumventing MDR to other conventional antineoplastic drugs. ©2010 AACR.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Drug Des Devel Ther
                Journal ID (iso-abbrev): Drug Des Devel Ther
                Journal ID (publisher-id): Drug Design, Development and Therapy
                Title: Drug Design, Development and Therapy
                Publisher: Dove Medical Press
                ISSN (Electronic): 1177-8881
                Publication date Collection: 2015
                Publication date (Electronic): 13 November 2015
                Volume: 9
                Pages: 6075-6081
                Affiliations
                Department of Oncology, Zhongda Hospital, Medical School, Southeast University, Nanjing, People’s Republic of China
                Author notes
                Correspondence: Haijun Zhang, Department of Oncology, Zhongda Hospital, Medical School, Southeast University, 87 Dingjiaqiao, Nanjing 210009, People’s Republic of China, Tel +86 25 8327 5418, Fax +86 25 8327 5418, Email zhanghaijunseu@ 123456163.com
                Article
                Publisher ID: dddt-9-6075
                DOI: 10.2147/DDDT.S97235
                PMC ID: 4654530
                PubMed ID: 26622168
                SO-VID: e05dba44-afa0-46c3-b99c-c3f0c5bb3545
                Copyright © © 2015 Zhang. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License
                License:

                The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

                History
                Categories
                Subject: Review

                ScienceOpen disciplines: Pharmacology & Pharmaceutical medicine
                Keywords: apatinib,angiogenesis,vascular endothelial growth factor receptor-2,molecular targeted therapy,tumor
                Data availability:
                ScienceOpen disciplines: Pharmacology & Pharmaceutical medicine
                Keywords: apatinib, angiogenesis, vascular endothelial growth factor receptor-2, molecular targeted therapy, tumor

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