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Binbo Biological Products Co. Ltd., is a professional high-tech enterprise which engaged in Biological products raw materials. Binbo is engaged in R&D with perfect equipments and advanced detecting instruments. The factory is in strict accordance with GMP standard in the course of design and construction.

Topotecan

Synonyms: hycamptamine;HYDROGEN CHLORIDE, BUTANOL REAGENT;HYDROGEN CHLORIDE GAS;HYDROGEN CHLORIDE, METHANOL REAGENT;HYDROGEN CHLORIDE, METHANOL REAGENT 10;HYDROGEN CHLORIDE, METHANOL REAGENT 5;HYDROCHLORIC ACID,1.1M;HYDROCHLORIC ACID, 1N
CAS: 123948-87-8
MF: C23H23N3O5
MW: 421.45
EINECS: 231-595-7

Camptothecin anticancer drugs are alkaloids or derivatives of them after the structure transformation raised from deciduous plant Davidia involucrata Camptotheca acuminate seed or root bark. Clinical application of them mainly includes camptothecin,hydroxycamptothecin, topotecan and irinotecan. 
 

Topotecan is a water-soluble semi-synthetic derivative of camptothecin,it is a topoisomerase I inhibitor, inhibiting DNA single strand DNA scission reconnect to damage DNA, its cytotoxicity occurs in cancer cell division S phase, it is an s phase cell cycle specific drug . In vivo it is a two-compartment model,it can be quickly distributed to the liver, kidneys and other parts , of a single intravenous infusion 1.5mg/m2 every 30 minutes , t1/2αis 4.1 to 8.1 minutes, plasma protein binding rate is 6.6%~21.3%,it can go into the cerebrospinal fluid. Most of it is excreted by the kidneys, a small part of it is excreted by the bile, within 12 hours, 90% of it is excreted.Clearance rate of renal dysfunction decreases.it is clinically used for the treatment of small cell lung cancer (SCLC), and advanced ovarian cancer, because it can penetrate the blood-brain barrier ,it has a certain effect on the central nervous system cancer and brain metastases. Usage: every single drug dose 1.2mg/m2 intravenous infusion once a day, once every 5 days, 21 days is 1 cycle, there is the need to reduce the dose when in combination with other anticancer drugs. The main adverse events are hematologic toxicity, white blood cells, platelets and hemoglobin decrease; non-hematologic toxicity adverse events are loss of appetite, nausea, vomiting, hair loss, stomatitis, diarrhea, headache, fever, constipation, transient elevated transaminase; occasionally breathing difficulties, hematuria, andelectrocardiogram abnormalities. 
 

Severe bone marrow suppression are hanged. Monitor the blood and adjust the dose in accordance with changes in blood during the treatment , if necessary, granulocyte colony stimulating factor (G-CSF), and transfusion of blood components may be given .

Anti-cancer drugs.It can be used alone for the treatment of initially or continuously ineffective chemotherapy metastatic ovarian cancer.

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Binbo Biological Co., Ltd. is located in the convenient transportation and beautiful scenery of Jining high-technology industrial zone - Jinxiang economic Development Zone. There is a 105 National road links north and south when Zaocao and Dongfeng Roads connect east and west. Besides, provincial expressway and Ji-Xu expressway which connect Beijing,Shanghai,Fuzhou, and several cities across the JinXiang economic development zone. More importantly, there are only 20 km to Jining airport and close to Qufu high-speed railway station.These convenient geographical conditions bring the development opportunities for this economic development zone.

Binbo Biological Products Co. Ltd., is a professional high-tech enterprise which engaged in Biological products raw materials. Company was established in 2001, currently our company has more than 28 thousand square meters covering area. Factory buildings and workshops were establishsd by modern production requirements.There are three steps of development project which planned to invest around 60 million RMB. Currently the first step were finished and spent 28 million RMB, which met the production and office requirements.

Binbo is engaged in R&D with perfect equipments and advanced detecting instruments. The factory is in strict accordance with GMP standard in the course of design and construction.

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