Generic Name and Formulations:
Axitinib 1mg, 5mg; tabs.
Company:
Pfizer Inc.
Indications for INLYTA:
Treatment of advanced renal cell carcinoma (RCC) after failure of one prior systemic therapy.
Adult Dose for INLYTA:
Take 12 hours apart. Swallow whole with a glass of water. Initially 5mg twice daily. If tolerated for at least two consecutive weeks with no adverse reactions >Grade 2, normotensive, and not receiving antihypertensives, may increase dose to 7mg twice daily, then 10mg twice daily. May reduce dose from 5mg twice daily to 3mg twice daily, then 2mg twice daily if additional dose reduction required. Concomitant strong CYP3A4/5 inhibitors: avoid; if warranted, decrease Inlyta dose by approximately ½. If strong CYP3A4/5 inhibitor discontinued, return Inlyta dose (after 3–5 half-lives of the inhibitor) to that used prior to CYP3A4/5 inhibitor initiation. Moderate hepatic impairment: decrease dose by approximately ½.
Children's Dose for INLYTA:
Not studied.
Pharmacological Class:
Kinase inhibitor.
Warnings/Precautions:
Control and monitor BP prior to and during therapy; discontinue if severe and persistent hypertension (despite antihypertensive therapy and dose reduction). Risk of thromboembolic events. Untreated brain metastasis, recent active GI bleed: not recommended. Interrupt therapy if bleeding requires medical intervention. GI perforation and fistula formation; monitor. Monitor thyroid, liver function (ALT, AST, bilirubin), and for proteinuria before starting therapy, then periodically. Reduce dose or temporarily interrupt for moderate to severe proteinuria. Risk of reversible posterior leukoencephalopathy syndrome (permanently discontinue if occurs). Stop treatment at least 24hrs prior to scheduled surgery. Severe hepatic impairment. End-stage renal disease. Pregnancy (Cat. D); avoid. Use adequate contraception during therapy. Nursing mothers: not recommended.
Interactions:
See Adult dose. Avoid strong CYP3A4/5 inhibitors (eg, grapefruit juice, ketoconazole, itraconazole, clarithromycin, atazanavir, indinavir, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, voriconazole), CYP3A4/5 inducers (eg, rifampin, dexamethasone, phenytoin, carbamazepine, rifabutin, rifapentin, phenobarbital, St. John’s wort), moderate CYP3A4/5 inducers (eg, bosentan, efavirenz, etravirine, modafinil, nafcillin).
Adverse Reactions:
GI upset, hypertension, fatigue, decreased appetite, dysphonia, palmar-plantar erythrodysesthesia (hand-foot) syndrome, weight decreased, asthenia, constipation.
How Supplied:
Tabs 1mg—180; 5mg—60
中文药名：阿西替尼片
英文药名：INLYTA（Axitinib tabs）
药品介绍
FDA药物评价和研究中心的血液学和肿瘤产品室主任Richard Pazdur, M.D. 说“这是自2005来对转移或晚期肾细胞癌的治疗曾被批准的第7个药物。”“总的来说，在前所未有的水平，在这段时间内的药物开发已显著改变转移肾癌治疗的范式，和提供患者多种治疗选择。”
批准日期：2012年1月27日；公司：辉瑞 Pfizer Inc.
