SOLN MAY BE STORED IN REFRIGERATOR FOR PERIODS OF 30 DAYS WITHOUT SIGNIFICANT LOSS OF POTENCY /VINBLASTINE SULFATE/
旋光度：
Specific optical rotation: -32 deg at 23 °C/D ( c = 0.88 in methanol)
分解：
When heated to decomposition it emits toxic fumes of oxides of nitrogen.
解离常数：
pKa1 = 5.4; pKa2 = 7.4
计算性质
辛醇/水分配系数(LogP)：
3.7
重原子数：
59
可旋转键数：
10
环数：
9.0
sp3杂化的碳原子比例：
0.59
拓扑面积：
154
氢给体数：
3
氢受体数：
12
ADMET
代谢
肝脏。已显示长春碱的代谢是通过肝脏细胞色素P450 3A同工酶介导的。
Hepatic. Metabolism of vinblastine has been shown to be mediated by hepatic cytochrome P450 3A isoenzymes.
来源:DrugBank
代谢
长春碱据报道会被广泛代谢，主要在肝脏中，代谢为去乙酰长春碱，它在重量基础上比母体化合物更具活性。
Vinblastine is reported to be extensively metabolized, primarily in the liver, to desacetylvinblastine, which is more active than the parent compound on a weight basis.
Since the major route of excretion may be through the biliary system, toxicity from this drug may be increased when there is hepatic excretory insufficiency. The metabolism of vinca alkaloids has been shown to be mediated by hepatic cytochrome P450 isoenzymes in the CYP 3A subfamily. This metabolic pathway may be impaired in patients with hepatic dysfunction or who are taking concomitant potent inhibitors of these isoenzymes such as erythromycin.
参考文献：M Chen, V Vijay, Q Shi, Z Liu, H Fang, W Tong. 美国食品药品监督管理局批准的药物标签用于研究药物诱导的肝损伤，《药物发现今日》，16(15-16):697-703, 2011. PMID:21624500 DOI:10.1016/j.drudis.2011.05.007
M Chen, A Suzuki, S Thakkar, K Yu, C Hu, W Tong. DILIrank：按人类发展药物诱导肝损伤风险排名的最大参考药物清单。《药物发现今日》2016, 21(4): 648-653. PMID:26948801 DOI:10.1016/j.drudis.2016.02.015
References:M Chen, V Vijay, Q Shi, Z Liu, H Fang, W Tong. FDA-Approved Drug Labeling for the Study of Drug-Induced Liver Injury, Drug Discovery Today, 16(15-16):697-703, 2011. PMID:21624500 DOI:10.1016/j.drudis.2011.05.007
M Chen, A Suzuki, S Thakkar, K Yu, C Hu, W Tong. DILIrank: the largest reference drug list ranked by the risk for developing drug-induced liver injury in humans. Drug Discov Today 2016, 21(4): 648-653. PMID:26948801 DOI:10.1016/j.drudis.2016.02.015
◉ Summary of Use during Lactation:Most sources consider breastfeeding to be contraindicated during maternal antineoplastic drug therapy. It is probably impractical to resume breastfeeding after vinblastine therapy because of the drug's long half-life. Chemotherapy may adversely affect the normal microbiome and chemical makeup of breastmilk. Women who receive chemotherapy during pregnancy are more likely to have difficulty nursing their infant.
◉ Effects in Breastfed Infants:Relevant published information was not found as of the revision date.
◉ Effects on Lactation and Breastmilk:A woman diagnosed with Hodgkin's lymphoma during the second trimester of pregnancy received 3 rounds of chemotherapy during the third trimester of pregnancy and resumed chemotherapy 4 weeks postpartum. Milk samples were collected 15 to 30 minutes before and after chemotherapy for 16 weeks after restarting. The regimen consisted of doxorubicin 40 mg, bleomycin 16 units, vinblastine 9.6 mg and dacarbazine 600 mg, all given over a 2-hour period every 2 weeks. The microbial population and metabolic profile of her milk were compared to those of 8 healthy women who were not receiving chemotherapy. The breastmilk microbial population in the patient was markedly different from that of the healthy women, with increases in Acinetobacter sp., Xanthomonadacae and Stenotrophomonas sp. and decreases in Bifidobacterium sp. and Eubacterium sp. Marked differences were also found among numerous chemical components in the breastmilk of the treated woman, most notably DHA and inositol were decreased.
A telephone follow-up study was conducted on 74 women who received cancer chemotherapy at one center during the second or third trimester of pregnancy to determine if they were successful at breastfeeding postpartum. Only 34% of the women were able to exclusively breastfeed their infants, and 66% of the women reported experiencing breastfeeding difficulties. This was in comparison to a 91% breastfeeding success rate in 22 other mothers diagnosed during pregnancy, but not treated with chemotherapy. Other statistically significant correlations included: 1. mothers with breastfeeding difficulties had an average of 5.5 cycles of chemotherapy compared with 3.8 cycles among mothers who had no difficulties; and 2. mothers with breastfeeding difficulties received their first cycle of chemotherapy on average 3.4 weeks earlier in pregnancy. Of the 6 women who received a vincristine-containing regimen, 5 had breastfeeding difficulties.
来源:Drugs and Lactation Database (LactMed)
吸收、分配和排泄
消除途径
主要排泄途径可能是通过胆汁系统。
The major route of excretion may be through the biliary system.
Vinblastine sulfate is unpredictably absorbed from the GI tract. Following iv administration, the drug is rapidly cleared from the blood and distributed into body tissues. Vinblastine crosses the blood brain barrier poorly and does not appear in the CSF in therapeutic concentrations.
The volume of the central compartment is 70% of body weight, probably reflecting very rapid tissue binding to formed elements of the blood. Extensive reversible tissue binding occurs. Low body stores are present at 48 and 72 hours after injection.
Following injection of tritiated vinblastine in the human cancer patient, 10% of the radioactivity was found in the feces and 14% in the urine; the remaining activity was not accounted for. Similar studies in dogs demonstrated that, over 9 days, 30% to 36% of radioactivity was found in the bile and 12% to 17% in the urine. A similar study in the rat demonstrated that the highest concentrations of radioactivity were found in the lung, liver, spleen, and kidney 2 hours after injection.
来源:Hazardous Substances Data Bank (HSDB)
吸收、分配和排泄
这种药物是否会被分泌到人乳中尚不清楚。
It is not known whether this drug is excreted in human milk.
Absence of Lysosomal Cleavage in the Cytotoxicity Mechanism of an Immunoconjugate Composed of Anti-.ALPHA.-fetoprotein Monoclonal Antibody and Vindesine Analog.
[EN] ACC INHIBITORS AND USES THEREOF<br/>[FR] INHIBITEURS DE L'ACC ET UTILISATIONS ASSOCIÉES
申请人：GILEAD APOLLO LLC
公开号：WO2017075056A1
公开（公告）日：2017-05-04
The present invention provides compounds I and II useful as inhibitors of Acetyl CoA Carboxylase (ACC), compositions thereof, and methods of using the same.
[EN] COMPOUNDS AND COMPOSITIONS COMPRISING CDK INHIBITORS AND METHODS FOR THE TREATMENT OF CANCER<br/>[FR] COMPOSÉS ET COMPOSITIONS COMPRENANT DES INHIBITEURS DES CDK ET MÉTHODES DE TRAITEMENT DU CANCER
申请人：UNIV GEORGIA STATE RES FOUND
公开号：WO2010129858A1
公开（公告）日：2010-11-11
Disclosed herein are compounds suitable for use as antitumor agents, methods for treating cancer wherein the disclosed compounds are used in making a medicament for the treatment of cancer, methods for treating a tumor comprising, administering to a subject a composition comprising one or more of the disclosed cytotoxic agents, and methods for preparing the disclosed antitumor agents.
The present invention provides a cobalamin-drug conjugate suitable for the treatment of tumor related diseases. Cobalamin is indirectly covalently bound to an anti-tumor drug via a cleavable linker and one or more optional spacers. Cobalamin is covalently bound to a first spacer or the cleavable linker via the 5′-OH of the cobalamin ribose ring. The drug is bound to a second spacer of the cleavable linker via an existing or added functional group on the drug. After administration, the conjugate forms a complex with transcobalamin (any of its isoforms). The complex then binds to a receptor on a cell membrane and is taken up into the cell. Once in the cell, an intracellular enzyme cleaves the conjugate thereby releasing the drug. Depending upon the structure of the conjugate, a particular class or type of intracellular enzyme affects the cleavage. Due to the high demand for cobalamin in growing cells, tumor cells typically take up a higher percentage of the conjugate than do normal non-growing cells. The conjugate of the invention advantageously provides a reduced systemic toxicity and enhanced efficacy as compared to a corresponding free drug.
[EN] 2-QUINOLONE DERIVED INHIBITORS OF BCL6<br/>[FR] INHIBITEURS DE BCL6 DÉRIVÉS DE 2-QUINOLONE
申请人：CANCER RESEARCH TECH LTD
公开号：WO2018215798A1
公开（公告）日：2018-11-29
The present invention relates to compounds of formula I that function as inhibitors of BCL6(B- cell lymphoma 6) activity: Formula I wherein X1, X2, X3, R1, R2, R3, R4 and R5 are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer,as well as other diseases or conditions in which BCL6 activity is implicated.
[EN] PSMA-TARGETING AMANITIN CONJUGATES<br/>[FR] CONJUGUÉS D'AMANITINE CIBLANT LE PSMA
申请人：HEIDELBERG PHARMA RES GMBH
公开号：WO2019057964A1
公开（公告）日：2019-03-28
The invention relates to a PSMA-targeting conjugate comprising (a) an amatoxin; (b) a small molecule PSMA-targeting moiety; and (c) optionally a linker linking said amatoxin and said small molecule PSMA-targeting moiety. The invention furthermore relates to a pharmaceutical composition comprising such conjugate.
