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Vimizim (elosulfase alfa)注射剂
2014-04-29 19:21:23 来源: 作者: 【 】 浏览:826次 评论:0
美国时间2月14日下午,BiomarinPharmaceutical公司的新药Vimizim(elosulfase alfa) 被FDA正式批准,提前两周公布确实出人意料(原定于2月28日)。因FDA公布时间较晚,当日Biomarin 股票收盘价(75.78美元)并未受到影响。
Vimizim 是首个被FDA批准的治疗粘多糖沉积症 IVA型的药物。粘多糖病Ⅳ型(Morquio氏病),有两个亚型。其病因为ⅣA为半乳糖-6-硫酸酯酶(GALNS)缺乏,ⅣB为β-D半乳糖酶缺乏。该病为常染色体隐性遗传,其临床特点为明显的生长迟缓,步态异常和骨骼畸形且逐渐显著,病人寿命多为20~30岁。目前全美约有800名Morquio A综合症患者。

Vimizim 能够替代患者体内缺乏的GALNS酶。 通过176位病人的临床试验证实了该药物的安全性和有效性。依据FDA报告,其最常见的副作用包括发烧,头痛,恶心,腹痛和疲劳

Important Safety Information

Life-threatening allergic reactions, known as anaphylaxis, can occur during VIMIZIMTM (elosulfase alfa) infusions. Typical signs of anaphylaxis include cough, rash, throat tightness, hives, flushing, changes in skin color, low blood pressure, shortness of breath, chest pain, and gastrointestinal symptoms such as nausea, abdominal pain, retching, and vomiting. Contact your doctor or get medical help right away if these symptoms occur during or after VIMIZIM infusions. If you have a respiratory illness, you may be at risk for a sudden worsening of your condition, and you may require additional monitoring.

VIMIZIM is a prescription medicine. Before treatment with VIMIZIM, it is important to discuss your medical history with your doctor. Tell your doctor if you are sick or taking any medication and if you are allergic to any medicines. Also tell your doctor if you are pregnant, planning to become pregnant, or are a nursing mother. Your doctor will decide if VIMIZIM is right for you. If you have questions or would like more information about VIMIZIM, contact your doctor.

Anaphylaxis can occur during any VIMIZIM infusion and up to three hours after any infusion, and hypersensitivity reactions have been observed as early as 30 minutes from the start of infusion but as late as six days after infusion.

Serious and severe reactions can happen with VIMIZIM treatment, including life-threatening allergic reactions (anaphylaxis), hives, swelling, cough, shortness of breath, and flushing. You should receive medication such as antihistamines before VIMIZIM infusions to reduce the risk of reactions. If a reaction occurs, the infusion should be slowed or stopped and you may be given additional medication. If a severe reaction occurs, the infusion should be stopped immediately and you will receive appropriate medical treatment.

If you have acute febrile or respiratory illness at the time of VIMIZIM infusion you may be at higher risk of life-threatening complications from hypersensitivity reactions. If you use supplemental oxygen or continuous positive airway pressure (CPAP) you should have it available during your infusion in the event of a sudden reaction, or extreme drowsiness/sleep from antihistamines.
详细的说明
http://vimizim.com/

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