
Matrix-Driven Delivery (MDD) 給藥系統(tǒng)
本給藥系統(tǒng)由一個(gè)可生物吸收的基質(zhì)組成,含有定量可控的活性給藥成分,可以以設(shè)定的劑量在一定時(shí)間范圍內(nèi)進(jìn)行給藥。
給藥天數(shù)及劑量的選擇:依據(jù)研究人員實(shí)驗(yàn)需要確定,如某實(shí)驗(yàn)需要在3周內(nèi)給大鼠皮下給某種藥x mg,首先在本公司產(chǎn)品目錄中選取該種藥物,然后選取21天緩釋時(shí)間,劑量選擇可以如下方式進(jìn)行:21天共給藥量或每天給藥量,計(jì)算出總的藥物劑量。本公司常規(guī)的給藥時(shí)間有21,,60,90天,即可選擇21天的給藥時(shí)間(如常規(guī)給藥時(shí)間不滿足實(shí)驗(yàn)設(shè)計(jì),可公司進(jìn)行產(chǎn)品定制)。同樣,給如本公司提供的常規(guī)給藥劑量不滿足實(shí)驗(yàn)設(shè)計(jì),也可公司進(jìn)行產(chǎn)品定制。本公司可根據(jù)客戶需要在給藥系統(tǒng)中加入可在規(guī)定期間釋放一定劑量的活性藥物。
給藥方法:皮下(一般選取背部或頸部皮膚松弛部位)植入本給藥系統(tǒng)。手工植入方法為選取植入部位,切開一個(gè)藥丸直徑相當(dāng)?shù)那锌冢詿o菌鑷子自切口探入,深入皮下至2cm處,用鑷子將藥丸送入離切口2cm處,縫合切口即可。切忌:(1)切口及鑷子探入時(shí)傷及肌肉層,可引起炎癥,影響藥物釋放及實(shí)驗(yàn);(2)鑷子送入藥丸時(shí)切勿破壞藥丸,否則影響藥丸緩釋效應(yīng),影響實(shí)驗(yàn)結(jié)果。
使用套針給藥(另售):將藥丸放入給藥套針,選取給藥點(diǎn),扎入針頭,在不傷及肌肉的情況下將針深入扎入處2cm,將藥丸推入皮下,抽出套針即可,無需縫合。
相關(guān)參考文獻(xiàn):
1. BARAZZONE-ARGIROFFO, MUZZIN, DONATI, KAN, AUBERT, PIGUET. AMERICAN JOURNAL OF PHYSIOLOGY: LUNG, CELLULAR AND MOLECULAR PHYSIOLOGY, 281 (5) : pp.L1150-L1156, 2001.Product.NADOLOL - Dosage 0.5 MG - Release Time 21-DAY - Pellet Type: Stock
2. GARCIA, DEBINSKI, GUTKOWSKA, KUCHEL, THIBAULT, GENEST, CANTIN. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 131 (2) : pp.806-814, 1985. Product. DEOXYCORTICOSTERONE ACETATE (DOCA) - Dosage 25MG - Release Time 21-DAY - Pellet Type: Stock.
3. DAMASSA, GUSTAFSON, KWIECINSKI, PRATT. BIOLOGY OF REPRODUCTION, 33 (5) : pp.1138-1146, 1985. Product. D-THYROXINE - Dosage 0.5MG - Release Time 21-DAY - Pellet Type: Stock.
4. WASHBURN, KRANTZ, AVERY, REEDLAND.FASEB ABSTRACT FORM 535-5, 1990. 17?-ESTRADIOL - Release Time 21-DAY - Pellet Type: Stock.
5. TOKARZ. HORMONES AND BEHAVIOR, 21 (3) : pp.358-370, 1987. Product. CORTICOSTERONE - Dosage 0.1MG - Release Time 21-DAY - Pellet Type: Stock
6. REES, PANESAR, STEINER, FLEMING. HORMONES AND BEHAVIOR, 46 (4) : pp.411-419, 2004. Product. CORTICOSTERONE - Dosage 75MG - Release Time 21-DAY - Pellet Type: Stock
7. GORDON, SHELNESS, NICOSIA, WILLIAMS. JOURNAL OF BIOLOGICAL CHEMISTRY, 263 (6) : pp.2625-2631, 1988. Product. 17?-ESTRADIOL - Dosage 100MG - Release Time 21-DAY - Pellet Type: Stock.
8. CONNOR, SAWCZUK, BENSON, TOMASHEFSKY, O'TOOLE, OLSSON, BUTTYAN. PROSTATE, 13 (2) : pp.119-130, 1988. Product. VERAPAMIL - Dosage 100MG - Release Time 21-DAY - Pellet Type: Stock
9. MOR, ZAINO, SATYASWAROOP. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 162 (4) : pp.928-936, 1990. Product. 17?-ESTRADIOL - Dosage 200 PG/ML - Release Time 60-DAY - Pellet Type: Stock.
10. SATYASWAROOP, ZAINO, MOR. CANCER AND MATASTISIS REVIEWS, 6 : pp.223-241, 1987. Product. 17?-ESTRADIOL - Dosage N/A - Release Time 60-DAY - Pellet Type: Stock
11. WANG, NAN, YU, AGRAWAL, ZHANG. CLINICAL CANCER RESEARCH , 7 (11) : pp.3613-3624, 2001. Product. 17?-ESTRADIOL - Dosage 1.7MG - Release Time 60-DAY - Pellet Type: Stock
12 .BIANCO, STRIZZI, EBERT, CHANG, REHMAN, NORMANNO, GUEDEZ, SALLOUM, GINSBURG, SUN, KHAN, HIROTA, WALLACE-JONES, WECHSELBERGER, VONDERHAAR, TOSATO, STETLER-STEVENSON, SANICOLA, SALOMON. JOURNAL OF THE NATIONAL CANCER INSTITUTE, 97 (2) : pp.132-141, 2005. Product .17?-ESTRADIOL - Dosage 0.72 MG - Release Time 60-day - Pellet Type: Stock.
13. ZAINO, SATYASWAROOP, MOR. SCIENCE, 219 (4580) : pp.58-60, 1983. Product. 17?-ESTRADIOL - Release Time 60-DAY - Pellet Type: Stock
14. ENGELSON, PI-SUNYER, KOTLER. NUTRITION, 15 (6) : pp.465-473, 1999. Product. MEGESTROL ACETATE - Dosage 50 MG - Release Time 90-DAY - Pellet Type: Stock and TESTOSTERONE PROPIONATE - Dosage 35 MG - Release Time 90-DAY - Pellet Type: Stock.
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