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ZOMETA(zoledronic acid solution for infusion)

2010-07-04 16:22:37  作者:新特药房  来源:新特药网天津分站  浏览次数:173  文字大小:【】【】【
简介: 在各种进展性恶性肿瘤中,如乳腺癌、前列腺癌和肺癌等实体瘤的晚期常发生骨转移,可引起疼痛、病理性骨折、脊髓压迫疗和高钙血症。择泰(唑来膦酸)是第三代异环型双膦酸类药物,与骨有高度亲和力,并能 ...

部份中文唑来膦酸处方资料(仅供参考)
药理作用

唑来膦酸是一种特异性地作用于骨的二磷酸化合物,它能抑制因破骨活性增加而导致的骨吸收。二磷酸化合物对骨组织的选择性作用依赖于其对矿化骨的高亲和性。作用的分子机理还不清楚。长期动物研究表明,唑来膦酸可抑制骨吸收,但对骨的形成、骨的矿化及力学特性没有不良影响。
临床研究
与帕米磷酸的临床研究表明,对于肿瘤引起的高钙血症,唑来膦酸能降低血清钙和尿液中的钙排泄量。唑来膦酸4 mg组给药10天后的完全缓解率是88.4%,唑来膦酸8mg组为86.7%,帕米磷酸组为69.7%。唑来膦酸两个剂量组的疗效没有显著差异,但是,唑来膦酸组和帕米磷酸钠组之间有显著性的统计学差异。唑来膦酸8 mg组中低血钙症的发生频率较高。单剂使用本品,有一半的病例在给药后4天内升高的血钙浓度降低至正常值范围之内。唑来膦酸组的高钙血症复发的中位时间是30-40天,而帕米磷酸组为20-22天。血钙重又升高的患者(>2.9 mmol/L)再次治疗的缓解率(完全缓解率)为52%,只对8 mg本品剂量组进行了该项指标的研究。由于没有数据可与4 mg剂量组进行比较,所以8 mg剂量的缓解率是否更好尚不清楚。
药代动力学
分布:在初始24小时内,给药量的44±18%排泄到尿中,其余的主要滞留在骨组织中。
唑来膦酸与血细胞没有亲和性,与血浆蛋白的结合性也较低(大约为22%),而且不依赖于唑来膦酸的浓度。
将注射时间从5分钟增加到15分钟,在注射结束时,唑来膦酸浓度降低了30%,但对AUC没有影响。
与其它二磷酸化合物相比,患者间唑来膦酸的药代动力学参数变化较大。
代谢:唑来膦酸在体外不抑制人P450酶,不发生代谢。通过肾脏排泄。缓慢地从骨组织中释放进入全身循环,通过肾清除,半衰期(t/γ)至少为167小时。全身的清除率是5.6±2.5升/小时,不依赖于剂量,也不受性别、年龄、人种和体重的影响。
消除:静脉给药的唑来膦酸通过两个阶段消除:以0.23小时(t/β)的半衰期从全身循环中快速二相消除;1.75小时(t/α),然后是一个长期消除阶段。
特殊临床状态下的药代动力学:
高钙血症患者 - 没有关于唑来膦酸对高钙血症患者的药代动力学的研究数据。
肝功能不全患者 - 没有关于唑来膦酸对肝功能不全患者的药物动力学的数据。唑来膦酸在体外不抑制人P450酶且不被代谢。动物实验研究发现,粪便中含有小于给药量3%的残留物。这表明肝脏在唑来膦酸的药代动力学中不起作用。
肾功能不全患者 - 没有关于严重的肾功能不全患者的试验资料。
适应症
用于恶性肿瘤引起的高钙血症(HCM)。
用法用量
成人和老年人
对于HCM患者(白蛋白修正的血清钙≥ (greater than or equal to) 3.0 mmol/L或12 mg/dl),推荐剂量为4 mg,用0.9%氯化钠或5%葡萄糖溶液100 mL稀释,进行不少于15分钟静脉输注。
白蛋白修正的血清钙( mg/dL)=患者血钙( mg/dL)+0.8×[中位血清白蛋白(g/L)-患者血清白蛋白(g/L)]。
给药前必须测试患者的水化状态,治疗中尿排量应维持2 L/天,应根据患者的临床状态进行给药。由于该药对肾功能损害可能导致肾衰的危险性,一次给药剂量不得超过4 mg。
再次治疗
血钙浓度重又升高而需再次治疗的病例是有限的(只出现在8 mg剂量组中)。再次治疗必须与前一次至少相隔7-10天。同时,治疗前应检测患者的血清肌酐水平。
肾功能不全患者
到目前为止的研究表明,对于轻度、中度肾功能损伤的患者无需调整剂量和给药时间(血清肌酐<400 umol/L或4.5 mg/dl)。
肝功能不全者
由于临床上严重肝功能不全患者的病例数有限,因此,对于此类患者没有特别的建议。
任何疑问,请遵医嘱!
用药须知
唑来膦酸4mg粉剂和所需溶剂制备成的输注用溶液仅限于静脉给药。首先用安瓿瓶中的5mL无菌注射用水将冻干粉溶解,抽取前溶解必须完全。形成的溶液应进一步用100mL的无钙输注溶液(0.9%氯化钠溶液或5%葡萄糖溶液)稀释。如果先前保存于冰箱内,那么,使用前应使溶液恢复到室温。
配制好的溶液的有效期:室温下,配制好的溶液的物理和化学性质在24小时内稳定。冻干粉经无菌溶解和稀释后,应立即使用。从溶解、稀释、在2-8°C冰箱内存储至最后使用的全过程不应超过24小时。
不良反应
本品的不良反应与其它双磷酸盐报告的不良反应相似,约在1/3患者中出现。最常出现的不良反应是流感样症状(约9%),包括骨痛(9.1%)、发热(7.2%)、疲乏(4.1%)、寒战(2.8%)以及关节痛和肌痛(约3%)。目前尚没有这些不良反应可逆性的信息。
肾钙分泌减少常伴有不需要治疗的无症状的血浆磷酸盐水平降低(约20%的患者)。约3%的患者会出现无症状的低钙血症。
在临床研究中出现了下列不良反应,主要是在长期给予唑来膦酸后发生的。根据发生频率列出不良反应,最常见的在先,采用下列发生率评估:很常见:>10%,常见:>1%-<10%,少见:>0.1%-<1%,偶发:>0.01%-<0.1%,罕见:<0.001%(包括个例)。
血液和淋巴系统:常见贫血,少见血小板减少,白细胞减少症,罕见全血细胞减少。
神经系统:常见头痛,少见头晕、感觉错乱、味觉障碍、感觉迟钝、感觉过敏和震颤。
精神障碍:少见焦虑、睡眠失调,罕见精神混乱。
眼部:常见结膜炎,少见视觉模糊,罕见葡萄膜炎,巩膜外层炎。
胃肠道:常见恶心、呕吐、食欲减退,少见腹泻、便秘、腹痛、消化不良、胃炎、口干。
呼吸、胸部和纵隔:少见呼吸困难、咳嗽。
皮肤和皮下组织:少见瘙痒症、皮疹(包括红斑状和斑点皮疹)、出汗增加。
骨骼肌、结缔组织和骨:常见骨痛、肌痛、关节痛,肌肉痉挛。
心血管系统:罕见心动过缓。
肾和泌尿系统:常见肾功能损害,少见急性肾功能衰竭、血尿、蛋白尿。
免疫系统:少见过敏反应,罕见血管神经性水肿。
全身和给药部位:常见发烧、流感样症状(包括疲劳、寒战、不适感和面部潮红),少见衰弱、外周水肿、注射部位反应(包括疼痛、刺激、红肿、硬化),胸痛、体重增加。
实验室检查异常:很常见低磷血症,常见血肌酐和血尿素氮升高、低钙血症,少见低镁血症,罕见高钾血症、低钾血症、高钠血症。
上市后:有很少病例报告:应用双膦酸盐治疗的患者发生骨坏死(主要是颌骨坏死),这些病例主要发生在拔牙或其他口腔外科治疗后。颌骨坏死的发生有多种危险因素存在,包括癌症疾病本身、合并治疗(如化疗、放射治疗和皮质激素)与并发症(如贫血、凝血疾病、感染、已存在的口腔疾病)。尽管原因还不能肯定,治疗过程中应尽量避免口腔外科治疗。
禁忌症
对唑来膦酸、其它二磷酸盐或本品任何成份过敏者禁用。
注意事项
应用本品治疗初期,应仔细监测血清肌酐、血清钙、磷酸盐和镁的含量。
甲状腺术后患者由于甲状腺机能减退特别容易产生低血钙。
二磷酸盐类药物与肾功能紊乱相关。由于血清肌酐水平能够上升,同时缺少严重肾损伤的资料(血清肌酐>400 umol/L或4.5 mg/dl),建议此类患者不使用本品,除非利大于弊。
需要再次使用本品的患者,治疗前应检查血清肌酐水平。应对肾功能明显恶化的患者进行正确的评估,判断一下益处是否大于风险。
由于严重肝功能不全的患者的临床数据有限,因此,没有对此类患者有特别的建议。
对于同时使用二磷酸盐和氨基苷药物的患者应严密监视血钙浓度,因为这两类药物对血钙的降低将产生叠加作用,可导致长期低血钙。
孕妇及哺乳期妇女用药
怀孕:
在动物生殖研究的大鼠中,观察到致畸作用。兔子实验中没有致畸毒性或胚胎毒性,但观察到母体毒性。由于没有对人类怀孕和哺乳期应用本品的经验,所以,怀孕期不应使用本品,除非对母亲的益处大于对胎儿的风险。
哺乳:
二磷酸盐类化合物不仅很难从消化道中吸收,而且它在牛奶中以二磷酸盐-钙复合物的形式存在,几乎不被人体吸收。由于没有相关经验,哺乳期妇女应慎用本品。
药物相互作用
临床研究表明,本品与常用的抑制细胞生长药物(如利尿药、抗生素和止痛药等)同时用药时未发现明显的相互作用。
没有进行过正式的临床相互作用的研究。由于二磷酸盐类药物与氨基苷同时使用能够产生降低血钙的叠加作用,从而导致长期低血钙。因而建议使用时需格外小心。另外,在治疗过程中也应注意低血镁的发生。
本品不得与含钙溶液配伍使用,应与其它药品分开进行单次静脉输注。
药物过量
应用本品时没有发生过急性中毒事件。当剂量高于推荐剂量时,可出现明显低钙血症、低磷酸血症和低镁血症,应对患者仔细监测并采取对应措施。如临床上出现给严重的低血钙症状,输注葡萄糖酸钙可逆转。


Zometa 4mg/5ml Concentrate for Solution for Infusion
1. Name of the medicinal product
Zometa® 4 mg/5 ml concentrate for solution for infusion
2. Qualitative and quantitative composition
One vial with 5 ml concentrate contains 4 mg zoledronic acid, corresponding to 4.264 mg zoledronic acid monohydrate.
One ml concentrate contains 0.8 mg zoledronic acid (as monohydrate).
For the full list of excipients, see section 6.1.
3. Pharmaceutical form
Concentrate for solution for infusion
Clear and colourless solution.
4. Clinical particulars
4.1 Therapeutic indications
- Prevention of skeletal related events (pathological fractures, spinal compression, radiation or surgery to bone, or tumour-induced hypercalcaemia) in adult patients with advanced malignancies involving bone.
- Treatment of adult patients with tumour-induced hypercalcaemia (TIH).
4.2 Posology and method of administration
Zometa must only be prescribed and administered to patients by healthcare professionals experienced in the administration of intravenous bisphosphonates. Patients treated with Zometa should be given the package leaflet and the patient reminder card.
Posology
Prevention of skeletal related events in patients with advanced malignancies involving bone
Adults and older people
The recommended dose in the prevention of skeletal related events in patients with advanced malignancies involving bone is 4 mg zoledronic acid every 3 to 4 weeks.
Patients should also be administered an oral calcium supplement of 500 mg and 400 IU vitamin D daily.
The decision to treat patients with bone metastases for the prevention of skeletal related events should consider that the onset of treatment effect is 2-3 months.
Treatment of TIH
Adults and older people
The recommended dose in hypercalcaemia (albumin-corrected serum calcium ≥ 12.0 mg/dl or 3.0 mmol/l) is a single dose of 4 mg zoledronic acid.
Renal impairment
TIH:
Zometa treatment in TIH patients who also have severe renal impairment should be considered only after evaluating the risks and benefits of treatment. In the clinical studies, patients with serum creatinine > 400 µmol/l or > 4.5 mg/dl were excluded. No dose adjustment is necessary in TIH patients with serum creatinine < 400 µmol/l or < 4.5 mg/dl (see section 4.4).
Prevention of skeletal related events in patients with advanced malignancies involving bone:
When initiating treatment with Zometa in patients with multiple myeloma or metastatic bone lesions from solid tumours, serum creatinine and creatinine clearance (CLcr) should be determined. CLcr is calculated from serum creatinine using the Cockcroft-Gault formula. Zometa is not recommended for patients presenting with severe renal impairment prior to initiation of therapy, which is defined for this population as CLcr < 30 ml/min. In clinical trials with Zometa, patients with serum creatinine > 265 µmol/l or > 3.0 mg/dl were excluded.
In patients with bone metastases presenting with mild to moderate renal impairment prior to initiation of therapy, which is defined for this population as CLcr 30–60 ml/min, the following Zometa dose is recommended (see also section 4.4):

Baseline creatinine clearance (ml/min)

Zometa recommended dose*

> 60

4.0 mg zoledronic acid

50–60

3.5 mg* zoledronic acid

40–49

3.3 mg* zoledronic acid

30–39

3.0 mg* zoledronic acid

* Doses have been calculated assuming target AUC of 0.66 (mg•hr/l) (CLcr = 75 ml/min). The reduced doses for patients with renal impairment are expected to achieve the same AUC as that seen in patients with creatinine clearance of 75 ml/min.
Following initiation of therapy, serum creatinine should be measured prior to each dose of Zometa and treatment should be withheld if renal function has deteriorated. In the clinical trials, renal deterioration was defined as follows:
- For patients with normal baseline serum creatinine (< 1.4 mg/dl or < 124 µmol/l), an increase of 0.5 mg/dl or 44 µmol/l;
- For patients with abnormal baseline creatinine (> 1.4 mg/dl or > 124 µmol/l), an increase of 1.0 mg/dl or 88 µmol/l.
In the clinical studies, Zometa treatment was resumed only when the creatinine level returned to within 10% of the baseline value (see section 4.4). Zometa treatment should be resumed at the same dose as that given prior to treatment interruption.
Paediatric population
The safety and efficacy of zoledronic acid in children aged 1 year to 17 years have not been established. Currently available data are described in section and 5.1 but no recommendation on a posology can be made.
Method of administration
Intravenous use.
Zometa 4 mg concentrate for solution for infusion, further diluted in 100 ml (see section 6.6), should be given as a single intravenous infusion in no less than 15 minutes.
In patients with mild to moderate renal impairment, reduced Zometa doses are recommended (see section “Posology” above and section 4.4).
Instructions for preparing reduced doses of Zometa
Withdraw an appropriate volume of the concentrate needed, as follows:
- 4.4 ml for 3.5 mg dose
- 4.1 ml for 3.3 mg dose
- 3.8 ml for 3.0 mg dose
For instructions on the dilution of the medicinal product before administration, see section 6.6. The withdrawn amount of concentrate must be further diluted in 100 ml of sterile 0.9% w/v sodium chloride solution or 5% w/v glucose solution. The dose must be given as a single intravenous infusion over no less than 15 minutes.
Zometa concentrate must not be mixed with calcium or other divalent cation-containing infusion solutions such as lactated Ringer's solution, and should be administered as a single intravenous solution in a separate infusion line.
Patients must be maintained well hydrated prior to and following administration of Zometa.
4.3 Contraindications
• Hypersensitivity to the active substance, to other bisphosphonates or to any of the excipients listed in section 6.1
• Breast-feeding (see section 4.6)
4.4 Special warnings and precautions for use
General
Patients must be assessed prior to administration of Zometa to ensure that they are adequately hydrated.
Overhydration should be avoided in patients at risk of cardiac failure.
Standard hypercalcaemia-related metabolic parameters, such as serum levels of calcium, phosphate and magnesium, should be carefully monitored after initiating Zometa therapy. If hypocalcaemia, hypophosphataemia, or hypomagnesaemia occurs, short-term supplemental therapy may be necessary. Untreated hypercalcaemia patients generally have some degree of renal function impairment, therefore careful renal function monitoring should be considered.
Zometa contains the same active substance as found in Aclasta (zoledronic acid). Patients being treated with Zometa should not be treated with Aclasta or any other bisphosphonate concomitantly, since the combined effects of these agents are unknown.
Renal insufficiency
Patients with TIH and evidence of deterioration in renal function should be appropriately evaluated with consideration given as to whether the potential benefit of treatment with Zometa outweighs the possible risk.
The decision to treat patients with bone metastases for the prevention of skeletal related events should consider that the onset of treatment effect is 2–3 months.
Zometa has been associated with reports of renal dysfunction. Factors that may increase the potential for deterioration in renal function include dehydration, pre-existing renal impairment, multiple cycles of Zometa and other bisphosphonates as well as use of other nephrotoxic medicinal products. While the risk is reduced with a dose of 4 mg zoledronic acid administered over 15 minutes, deterioration in renal function may still occur. Renal deterioration, progression to renal failure and dialysis have been reported in patients after the initial dose or a single dose of 4 mg zoledronic acid. Increases in serum creatinine also occur in some patients with chronic administration of Zometa at recommended doses for prevention of skeletal related events, although less frequently.
Patients should have their serum creatinine levels assessed prior to each dose of Zometa. Upon initiation of treatment in patients with bone metastases with mild to moderate renal impairment, lower doses of zoledronic acid are recommended. In patients who show evidence of renal deterioration during treatment, Zometa should be withheld. Zometa should only be resumed when serum creatinine returns to within 10% of baseline. Zometa treatment should be resumed at the same dose as that given prior to treatment interruption.
In view of the potential impact of zoledronic acid on renal function, the lack of clinical safety data in patients with severe renal impairment (in clinical trials defined as serum creatinine ≥ 400 µmol/l or ≥ 4.5 mg/dl for patients with TIH and ≥ 265 µmol/l or ≥ 3.0 mg/dl for patients with cancer and bone metastases, respectively) at baseline and only limited pharmacokinetic data in patients with severe renal impairment at baseline (creatinine clearance < 30 ml/min), the use of Zometa is not recommended in patients with severe renal impairment.
Hepatic insufficiency
As only limited clinical data are available in patients with severe hepatic insufficiency, no specific recommendations can be given for this patient population.
Osteonecrosis of the jaw
Osteonecrosis of the jaw (ONJ) has been reported uncommonly in clinical trials and in the post marketing setting in patients receiving Zometa.
The start of treatment or of a new course of treatment should be delayed in patients with unhealed open soft tissue lesions in the mouth, except in medical emergency situations. A dental examination with appropriate preventive dentistry and an individual benefit-risk assessment is recommended prior to treatment with bisphosphonates in patients with concomitant risk factors.
The following risk factors should be considered when evaluating an individual's risk of developing ONJ:
- Potency of the bisphosphonate (higher risk for highly potent compounds), route of administration (higher risk for parenteral administration) and cumulative dose of bisphosphonate.
- Cancer, co morbid conditions (e.g. anaemia, coagulopathies, infection), smoking.
- Concomitant therapies: chemotherapy, angiogenesis inhibitors (see section 4.5), radiotherapy to neck and head, corticosteroids.
- History of dental disease, poor oral hygiene, periodontal disease, invasive dental procedures (e.g. tooth extractions) and poorly fitting dentures.
All patients should be encouraged to maintain good oral hygiene, undergo routine dental check-ups, and immediately report any oral symptoms such as dental mobility, pain or swelling, or non-healing of sores or discharge during treatment with Zometa.
While on treatment, invasive dental procedures should be performed only after careful consideration and be avoided in close proximity to zoledronic acid administration. For patients who develop osteonecrosis of the jaw while on bisphosphonate therapy, dental surgery may exacerbate the condition. For patients requiring dental procedures, there are no data available to suggest whether discontinuation of bisphosphonate treatment reduces the risk of osteonecrosis of the jaw.
The management plan for patients who develop ONJ should be set up in close collaboration between the treating physician and a dentist or oral surgeon with expertise in ONJ. Temporary interruption of zoledronic acid treatment should be considered until the condition resolves and contributing risk factors are mitigated where possible.
Musculoskeletal pain
In post-marketing experience, severe and occasionally incapacitating bone, joint, and/or muscle pain have been reported in patients taking Zometa. However, such reports have been infrequent. The time to onset of symptoms varied from one day to several months after starting treatment. Most patients had relief of symptoms after stopping treatment. A subset had recurrence of symptoms when rechallenged with Zometa or another bisphosphonate.
Atypical fractures of the femur
Atypical subtrochanteric and diaphyseal femoral fractures have been reported with bisphosphonate therapy, primarily in patients receiving long-term treatment for osteoporosis. These transverse or short oblique fractures can occur anywhere along the femur from just below the lesser trochanter to just above the supracondylar flare. These fractures occur after minimal or no trauma and some patients experience thigh or groin pain, often associated with imaging features of stress fractures, weeks to months before presenting with a completed femoral fracture. Fractures are often bilateral; therefore the contralateral femur should be examined in bisphosphonate-treated patients who have sustained a femoral shaft fracture. Poor healing of these fractures has also been reported. Discontinuation of bisphosphonate therapy in patients suspected to have an atypical femur fracture should be considered pending evaluation of the patient, based on an individual benefit risk assessment.
During bisphosphonate treatment patients should be advised to report any thigh, hip or groin pain and any patient presenting with such symptoms should be evaluated for an incomplete femur fracture.
Hypocalcaemia
Hypocalcaemia has been reported in patients treated with Zometa. Cardiac arrhythmias and neurologic adverse events (including convulsions, hypoaesthesia and tetany) have been reported secondary to cases of severe hypocalcaemia. Cases of severe hypocalcaemia requiring hospitalisation have been reported. In some instances, the hypocalcaemia may be life-threatening (see section 4.8). Caution is advised when Zometa is administered with medicinal products known to cause hypocalcaemia, as they may have a synergistic effect resulting in severe hypocalcaemia (see section 4.5). Serum calcium should be measured and hypocalcaemia must be corrected before initiating Zometa therapy. Patients should be adequately supplemented with calcium and vitamin D.
4.5 Interaction with other medicinal products and other forms of interaction
In clinical studies, Zometa has been administered concomitantly with commonly used anticancer agents, diuretics, antibiotics and analgesics without clinically apparent interactions occurring. Zoledronic acid shows no appreciable binding to plasma proteins and does not inhibit human P450 enzymes in vitro (see section 5.2), but no formal clinical interaction studies have been performed.
Caution is advised when bisphosphonates are administered with aminoglycosides, calcitonin or loop diuretics, since these agents may have an additive effect, resulting in a lower serum calcium level for longer periods than required (see section 4.4).
Caution is indicated when Zometa is used with other potentially nephrotoxic medicinal products. Attention should also be paid to the possibility of hypomagnesaemia developing during treatment.
In multiple myeloma patients, the risk of renal dysfunction may be increased when Zometa is used in combination with thalidomide.
Caution is advised when Zometa is administered with anti-angiogenic medicinal products, as an increase in the incidence of ONJ has been observed in patients treated concomitantly with these medicinal products.
4.6 Fertility, pregnancy and lactation
Pregnancy
There are no adequate data on the use of zoledronic acid in pregnant women. Animal reproduction studies with zoledronic acid have shown reproductive toxicity (see section 5.3). The potential risk for humans is unknown. Zometa should not be used during pregnancy. Women of child-bearing potential should be advised to avoid becoming pregnant.
Breast-feeding
It is not known whether zoledronic acid is excreted into human milk. Zometa is contraindicated in breast-feeding women (see section 4.3).
Fertility
Zoledronic acid was evaluated in rats for potential adverse effects on fertility of the parental and F1 generation. This resulted in exaggerated pharmacological effects considered to be related to the compound's inhibition of skeletal calcium metabolisation, resulting in periparturient hypocalcaemia, a bisphosphonate class effect, dystocia and early termination of the study. Thus these results precluded determining a definitive effect of zoledronic acid on fertility in humans.
4.7 Effects on ability to drive and use machines
Adverse reactions, such as dizziness and somnolence, may have influence on the ability to drive or use machines, therefore caution should be exercised with the use of Zometa along with driving and operating of machinery.
4.8 Undesirable effects
Summary of the safety profile
Within three days after Zometa administration, an acute phase reaction has commonly been reported, with symptoms including bone pain, fever, fatigue, arthralgia, myalgia, rigors and arthritis with subsequent joint swelling; these symptoms usually resolve within a few days (see description of selected adverse reactions).
The following are the important identified risks with Zometa in the approved indications:
Renal function impairment, osteonecrosis of the jaw, acute phase reaction, hypocalcaemia, atrial fibrillation, anaphylaxis, interstitial lung disease. The frequencies for each of these identified risks are shown in Table 1.
Tabulated list of adverse reactions
The following adverse reactions, listed in Table 1, have been accumulated from clinical studies and post-marketing reports following predominantly chronic treatment with 4 mg zoledronic acid:
Table 1
Adverse reactions are ranked under headings of frequency, the most frequent first, using the following convention: Very common (≥1/10), common (≥1/100 to <1/10), uncommon (≥1/1,000 to <1/100), rare (≥1/10,000 to <1/1,000), very rare (<1/10,000), not known (cannot be estimated from the available data).

Blood and lymphatic system disorders

Common:

Anaemia

Uncommon:

Thrombocytopenia, leukopenia

Rare:

Pancytopenia

Immune system disorders

Uncommon:

Hypersensitivity reaction

Rare:

Angioneurotic oedema

Psychiatric disorders

Uncommon:

Anxiety, sleep disturbance

Rare:

Confusion

Nervous system disorders

Common:

Headache

Uncommon:

Dizziness, paraesthesia, dysgeusia, hypoaesthesia, hyperaesthesia, tremor, somnolence

Very rare:

Convulsions, hypoaesthesia and tetany (secondary to hypocalcaemia)

Eye disorders

Common:

Conjunctivitis

Uncommon:

Blurred vision, scleritis and orbital inflammation

Rare:

Uveitis

Very rare:

Episcleritis

Cardiac disorders

Uncommon:

Hypertension, hypotension, atrial fibrillation, hypotension leading to syncope or circulatory collapse

Rare:

Bradycardia, cardiac arrhythmia (secondary to hypocalcaemia)

Respiratory, thoracic and mediastinal disorders

Uncommon:

Dyspnoea, cough, bronchoconstriction

Rare:

Interstitial lung disease

Gastrointestinal disorders

Common:

Nausea, vomiting, decreased appetite

Uncommon:

Diarrhoea, constipation, abdominal pain, dyspepsia, stomatitis, dry mouth

Skin and subcutaneous tissue disorders

Uncommon:

Pruritus, rash (including erythematous and macular rash), increased sweating

Musculoskeletal and connective tissue disorders

Common:

Bone pain, myalgia, arthralgia, generalised pain

Uncommon:

Muscle spasms, osteonecrosis of the jaw

Renal and urinary disorders

Common:

Renal impairment

Uncommon:

Acute renal failure, haematuria, proteinuria

General disorders and administration site conditions

Common:

Fever, flu-like syndrome (including fatigue, rigors, malaise and flushing)

Uncommon:

Asthenia, peripheral oedema, injection site reactions (including pain, irritation, swelling, induration), chest pain, weight increase, anaphylactic reaction/shock, urticaria

Rare:

Arthritis and joint swelling as a symptom of acute phase reaction

Investigations

Very common:

Hypophosphataemia

Common:

Blood creatinine and blood urea increased, hypocalcaemia

Uncommon:

Hypomagnesaemia, hypokalaemia

Rare:

Hyperkalaemia, hypernatraemia

Description of selected adverse reactions
Renal function impairment
Zometa has been associated with reports of renal dysfunction. In a pooled analysis of safety data from Zometa registration trials for the prevention of skeletal-related events in patients with advanced malignancies involving bone, the frequency of renal impairment adverse events suspected to be related to Zometa (adverse reactions) was as follows: multiple myeloma (3.2%), prostate cancer (3.1%), breast cancer (4.3%), lung and other solid tumours (3.2%). Factors that may increase the potential for deterioration in renal function include dehydration, pre-existing renal impairment, multiple cycles of Zometa or other bisphosphonates, as well as concomitant use of nephrotoxic medicinal products or using a shorter infusion time than currently recommended. Renal deterioration, progression to renal failure and dialysis have been reported in patients after the initial dose or a single dose of 4 mg zoledronic acid (see section 4.4).
Osteonecrosis of the jaw
Cases of osteonecrosis of the jaw have been reported, predominantly in cancer patients treated with medicinal products that inhibit bone resorption, such as Zometa (see section 4.4). Many of these patients were also receiving chemotherapy and corticosteroids and had signs of local infection including osteomyelitis. The majority of the reports refer to cancer patients following tooth extractions or other dental surgeries.
Atrial fibrillation
In one 3-year, randomised, double-blind controlled trial that evaluated the efficacy and safety of zoledronic acid 5 mg once yearly vs. placebo in the treatment of postmenopausal osteoporosis (PMO), the overall incidence of atrial fibrillation was 2.5% (96 out of 3,862) and 1.9% (75 out of 3,852) in patients receiving zoledronic acid 5 mg and placebo, respectively. The rate of atrial fibrillation serious adverse events was 1.3% (51 out of 3,862) and 0.6% (22 out of 3,852) in patients receiving zoledronic acid 5 mg and placebo, respectively. The imbalance observed in this trial has not been observed in other trials with zoledronic acid, including those with Zometa (zoledronic acid) 4 mg every 3-4 weeks in oncology patients. The mechanism behind the increased incidence of atrial fibrillation in this single clinical trial is unknown.
Acute phase reaction
This adverse drug reaction consists of a constellation of symptoms that includes fever, myalgia, headache, extremity pain, nausea, vomiting, diarrhoea arthralgia and arthritis with subsequent joint swelling. The onset time is ≤ 3 days post-Zometa infusion, and the reaction is also referred to using the terms “flu-like” or “post-dose” symptoms.
Atypical fractures of the femur
During post-marketing experience the following reactions have been reported (frequency rare):
Atypical subtrochanteric and diaphyseal femoral fractures (bisphopsphonate class adverse reaction).
Hypocalcaemia-related ADRs
Hypocalcaemia is an important identified risk with Zometa in the approved indications. Based on the review of both clinical trial and post-marketing cases, there is sufficient evidence to support an association between Zometa therapy, the reported event of hypocalcaemia, and the secondary development of cardiac arrhythmia. Furthermore, there is evidence of an association between hypocalcaemia and secondary neurological events reported in these cases including; convulsions, hypoaesthesia and tetany (see section 4.4).
Reporting of suspected adverse reactions
Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard.
4.9 Overdose
Clinical experience with acute overdose of Zometa is limited. The administration of doses up to 48 mg of zoledronic acid in error has been reported. Patients who have received doses higher than those recommended (see section 4.2) should be carefully monitored, since renal function impairment (including renal failure) and serum electrolyte (including calcium, phosphorus and magnesium) abnormalities have been observed. In the event of hypocalcaemia, calcium gluconate infusions should be administered as clinically indicated.
5. Pharmacological properties
5.1 Pharmacodynamic properties
Pharmacotherapeutic group: Drugs for treatment of bone diseases, bisphosphonates, ATC code: M05BA08
Zoledronic acid belongs to the class of bisphosphonates and acts primarily on bone. It is an inhibitor of osteoclastic bone resorption.
The selective action of bisphosphonates on bone is based on their high affinity for mineralised bone, but the precise molecular mechanism leading to the inhibition of osteoclastic activity is still unclear. In long-term animal studies, zoledronic acid inhibits bone resorption without adversely affecting the formation, mineralisation or mechanical properties of bone.
In addition to being a potent inhibitor of bone resorption, zoledronic acid also possesses several anti-tumour properties that could contribute to its overall efficacy in the treatment of metastatic bone disease. The following properties have been demonstrated in preclinical studies:
- In vivo: Inhibition of osteoclastic bone resorption, which alters the bone marrow microenvironment, making it less conducive to tumour cell growth, anti-angiogenic activity and anti-pain activity.
- In vitro: Inhibition of osteoblast proliferation, direct cytostatic and pro-apoptotic activity on tumour cells, synergistic cytostatic effect with other anti-cancer drugs, anti-adhesion/invasion activity.
Clinical trial results in the prevention of skeletal related events in patients with advanced malignancies involving bone
The first randomised, double-blind, placebo-controlled study compared zoledronic acid 4 mg to placebo for the prevention of skeletal related events (SREs) in prostate cancer patients. Zoledronic acid 4 mg significantly reduced the proportion of patients experiencing at least one skeletal related event (SRE), delayed the median time to first SRE by > 5 months, and reduced the annual incidence of events per patient - skeletal morbidity rate. Multiple event analysis showed a 36% risk reduction in developing SREs in the zoledronic acid 4 mg group compared with placebo. Patients receiving zoledronic acid 4 mg reported less increase in pain than those receiving placebo, and the difference reached significance at months 3, 9, 21 and 24. Fewer zoledronic acid 4 mg patients suffered pathological fractures. The treatment effects were less pronounced in patients with blastic lesions. Efficacy results are provided in Table 2.
In a second study including solid tumours other than breast or prostate cancer, zoledronic acid 4 mg significantly reduced the proportion of patients with an SRE, delayed the median time to first SRE by > 2 months, and reduced the skeletal morbidity rate. Multiple event analysis showed 30.7% risk reduction in developing SREs in the zoledronic acid 4 mg group compared with placebo. Efficacy results are provided in Table 3.
Table 2: Efficacy results (prostate cancer patients receiving hormonal therapy)
Zometa 4mg/100ml Solution for Infusion(http://www.medicines.org.uk/emc/medicine/25058

Any SRE (+TIH)

Fractures*

Radiation therapy to bone

zoledronic acid

4 mg

Placebo

zoledronic acid

4 mg

Placebo

zoledronic acid

4 mg

Placebo

N

214

208

214

208

214

208

Proportion of patients with SREs (%)

38

49

17

25

26

33

p-value

0.028

0.052

0.119

Median time to SRE (days)

488

321

NR

NR

NR

640

p-value

0.009

0.020

0.055

Skeletal morbidity rate

0.77

1.47

0.20

0.45

0.42

0.89

p-value

0.005

0.023

0.060

Risk reduction of suffering from multiple events** (%)

36

-

NA

NA

NA

NA

p-value

0.002

NA

NA

* Includes vertebral and non-vertebral fractures
** Accounts for all skeletal events, the total number as well as time to each event during the trial
NR Not Reached
NA Not Applicable
Table 3: Efficacy results (solid tumours other than breast or prostate cancer)

Any SRE (+TIH)

Fractures*

Radiation therapy to bone

 

zoledronic acid

4 mg

Placebo

zoledronic acid

4 mg

Placebo

zoledronic acid

4 mg

Placebo

N

257

250

257

250

257

250

Proportion of patients with SREs (%)

39

48

16

22

29

34

p-value

0.039

0.064

0.173

Median time to SRE (days)

236

155

NR

NR

424

307

p-value

0.009

0.020

0.079

Skeletal morbidity rate

1.74

2.71

0.39

0.63

1.24

1.89

p-value

0.012

0.066

0.099

Risk reduction of suffering from multiple events** (%)

30.7

-

NA

NA

NA

NA

p-value

0.003

NA

NA

* Includes vertebral and non-vertebral fractures
** Accounts for all skeletal events, the total number as well as time to each event during the trial
NR Not Reached
NA Not Applicable
In a third phase III randomised, double-blind trial, zoledronic acid 4 mg or 90 mg pamidronate every 3 to 4 weeks were compared in patients with multiple myeloma or breast cancer with at least one bone lesion. The results demonstrated that zoledronic acid 4 mg showed comparable efficacy to 90 mg pamidronate in the prevention of SREs. The multiple event analysis revealed a significant risk reduction of 16% in patients treated with zoledronic acid 4 mg in comparison with patients receiving pamidronate. Efficacy results are provided in Table 4.
Table 4: Efficacy results (breast cancer and multiple myeloma patients)

Any SRE (+TIH)

Fractures*

Radiation therapy to bone

zoledronic acid

4 mg

Pam 90 mg

zoledronic acid

4 mg

Pam 90 mg

zoledronic acid

4 mg

Pam 90 mg

N

561

555

561

555

561

555

Proportion of patients with SREs (%)

48

52

37

39

19

24

p-value

0.198

0.653

0.037

Median time to SRE (days)

376

356

NR

714

NR

NR

p-value

0.151

0.672

0.026

Skeletal morbidity rate

1.04

1.39

0.53

0.60

0.47

0.71

p-value

0.084

0.614

0.015

Risk reduction of suffering from multiple events** (%)

16

-

NA

NA

NA

NA

p-value

0.030

NA

NA

* Includes vertebral and non-vertebral fractures
** Accounts for all skeletal events, the total number as well as time to each event during the trial
NR Not Reached
NA Not Applicable
Zoledronic acid 4 mg was also studied in a double-blind, randomised, placebo-controlled trial in 228 patients with documented bone metastases from breast cancer to evaluate the effect of 4 mg zoledronic acid on the skeletal related event (SRE) rate ratio, calculated as the total number of SRE events (excluding hypercalcaemia and adjusted for prior fracture), divided by the total risk period. Patients received either 4 mg zoledronic acid or placebo every four weeks for one year. Patients were evenly distributed between zoledronic acid-treated and placebo groups.
The SRE rate (events/person year) was 0.628 for zoledronic acid and 1.096 for placebo. The proportion of patients with at least one SRE (excluding hypercalcaemia) was 29.8% in the zoledronic acid-treated group versus 49.6% in the placebo group (p=0.003). Median time to onset of the first SRE was not reached in the zoledronic acid-treated arm at the end of the study and was significantly prolonged compared to placebo (p=0.007). Zoledronic acid 4 mg reduced the risk of SREs by 41% in a multiple event analysis (risk ratio=0.59, p=0.019) compared with placebo.
In the zoledronic acid-treated group, statistically significant improvement in pain scores (using the Brief Pain Inventory, BPI) was seen at 4 weeks and at every subsequent time point during the study, when compared to placebo (Figure 1). The pain score for zoledronic acid was consistently below baseline and pain reduction was accompanied by a trend in reduced analgesics score.
Figure 1: Mean changes from baseline in BPI scores. Statistically significant differences are marked (*p<0.05) for between treatment comparisons (4 mg zoledronic acid vs. placebo)


Clinical trial results in the treatment of TIH
Clinical studies in tumour-induced hypercalcaemia (TIH) demonstrated that the effect of zoledronic acid is characterised by decreases in serum calcium and urinary calcium excretion. In Phase I dose finding studies in patients with mild to moderate tumour-induced hypercalcaemia (TIH), effective doses tested were in the range of approximately 1.2–2.5 mg.
To assess the effects of 4 mg zoledronic acid versus pamidronate 90 mg, the results of two pivotal multicentre studies in patients with TIH were combined in a pre-planned analysis. There was faster normalisation of corrected serum calcium at day 4 for 8 mg zoledronic acid and at day 7 for 4 mg and 8 mg zoledronic acid. The following response rates were observed:
Table 5: Proportion of complete responders by day in the combined TIH studies

Day 4

Day 7

Day 10

Zoledronic acid 4 mg (N=86)

45.3% (p=0.104)

82.6% (p=0.005)*

88.4% (p=0.002)*

Zoledronic acid 8 mg (N=90)

55.6% (p=0.021)*

83.3% (p=0.010)*

86.7% (p=0.015)*

Pamidronate 90 mg (N=99)

33.3%

63.6%

69.7%

*p-values compared to pamidronate.

Median time to normocalcaemia was 4 days. Median time to relapse (re-increase of albumin-corrected serum calcium ≥ 2.9 mmol/l) was 30 to 40 days for patients treated with zoledronic acid versus 17 days for those treated with pamidronate 90 mg (p-values: 0.001 for 4 mg and 0.007 for 8 mg zoledronic acid). There were no statistically significant differences between the two zoledronic acid doses.
In clinical trials 69 patients who relapsed or were refractory to initial treatment (zoledronic acid 4 mg, 8 mg or pamidronate 90 mg) were retreated with 8 mg zoledronic acid. The response rate in these patients was about 52%. Since those patients were retreated with the 8 mg dose only, there are no data available allowing comparison with the 4 mg zoledronic acid dose.
In clinical trials performed in patients with tumour-induced hypercalcaemia (TIH), the overall safety profile amongst all three treatment groups (zoledronic acid 4 and 8 mg and pamidronate 90 mg) was similar in types and severity.
Paediatric population
Clinical trial results in the treatment of severe osteogenesis imperfecta in paediatric patients aged 1 to 17 years
The effects of intravenous zoledronic acid in the treatment of paediatric patients (age 1 to 17 years) with severe osteogenesis imperfecta (types I, III and IV) were compared to intravenous pamidronate in one international, multicentre, randomised, open-label study with 74 and 76 patients in each treatment group, respectively. The study treatment period was 12 months preceded by a 4- to 9-week screening period during which vitamin D and elemental calcium supplements were taken for at least 2 weeks. In the clinical programme patients aged 1 to < 3 years received 0.025 mg/kg zoledronic acid (up to a maximum single dose of 0.35 mg) every 3 months and patients aged 3 to 17 years received 0.05 mg/kg zoledronic acid (up to a maximum single dose of 0.83 mg) every 3 months. An extension study was conducted in order to examine the long-term general and renal safety of once yearly or twice yearly zoledronic acid over the 12-month extension treatment period in children who had completed one year of treatment with either zoledronic acid or pamidronate in the core study.
The primary endpoint of the study was the percent change from baseline in lumbar spine bone mineral density (BMD) after 12 months of treatment. Estimated treatment effects on BMD were similar, but the trial design was not sufficiently robust to establish non-inferior efficacy for zoledronic acid. In particular there was no clear evidence of efficacy on incidence of fracture or on pain. Fracture adverse events of long bones in the lower extremities were reported in approximately 24% (femur) and 14% (tibia) of zoledronic acid-treated patients vs 12% and 5% of pamidronate-treated patients with severe osteogenesis imperfecta, regardless of disease type and causality but overall incidence of fractures was comparable for the zoledronic acid and pamidronate-treated patients: 43% (32/74) vs 41% (31/76). Interpretation of the risk of fracture is confounded by the fact that fractures are common events in patients with severe osteogenesis imperfecta as part of the disease process.
The type of adverse reactions observed in this population were similar to those previously seen in adults with advanced malignancies involving the bone (see section 4.8). The adverse reactions ranked under headings of frequency, are presented in Table 6. The following conventional classification is used: very common (≥1/10), common (≥1/100 to <1/10), uncommon (≥1/1,000 to <1/100), rare (≥1/10,000 to <1/1,000), very rare (<1/10,000), not known (cannot be estimated from the available data).
Table 6: Adverse reactions observed in paediatric patients with severe osteogenesis imperfecta1

Nervous system disorders

Common:

Headache

Cardiac disorders

Common:

Tachycardia

Respiratory, thoracic and mediastinal disorders

Common:

Nasopharyngitis

Gastrointestinal disorders

Very common:

Vomiting, nausea

Common:

Abdominal pain

Musculoskeletal and connective tissue disorders

Common:

Pain in extremities, arthralgia, musculoskeletal pain

General disorders and administration site conditions

Very common:

Pyrexia, fatigue

Common:

Acute phase reaction, pain

Investigations

Very common:

Hypocalcaemia

Common:

Hypophosphataemia

1 Adverse events occurring with frequencies < 5% were medically assessed and it was shown that these cases are consistent with the well established safety profile of Zometa (see section 4.8)
In paediatric patients with severe osteogenesis imperfecta, zoledronic acid seems to be associated with more pronounced risks for acute phase reaction, hypocalcaemia and unexplained tachycardia, in comparison to pamidronate, but this difference declined after subsequent infusions.
The European Medicines Agency has waived the obligation to submit the results of studies with zoledronic acid in all subsets of the paediatric population in the treatment of tumour-induced hypercalcaemia and prevention of skeletal-related events in patients with advanced malignancies involving bone (see section 4.2 for information on paediatric use).
5.2 Pharmacokinetic properties
Single and multiple 5- and 15-minute infusions of 2, 4, 8 and 16 mg zoledronic acid in 64 patients with bone metastases yielded the following pharmacokinetic data, which were found to be dose independent.
After initiating the infusion of zoledronic acid, the plasma concentrations of zoledronic acid rapidly increased, achieving their peak at the end of the infusion period, followed by a rapid decline to < 10% of peak after 4 hours and < 1% of peak after 24 hours, with a subsequent prolonged period of very low concentrations not exceeding 0.1% of peak prior to the second infusion of zoledronic acid on day 28.
Intravenously administered zoledronic acid is eliminated by a triphasic process: rapid biphasic disappearance from the systemic circulation, with half-lives of t½α 0.24 and t½β 1.87 hours, followed by a long elimination phase with a terminal elimination half-life of t½γ 146 hours. There was no accumulation of zoledronic acid in plasma after multiple doses given every 28 days. Zoledronic acid is not metabolised and is excreted unchanged via the kidney. Over the first 24 hours, 39 ± 16% of the administered dose is recovered in the urine, while the remainder is principally bound to bone tissue. From the bone tissue it is released very slowly back into the systemic circulation and eliminated via the kidney. The total body clearance is 5.04 ± 2.5 l/h, independent of dose, and unaffected by gender, age, race, and body weight. Increasing the infusion time from 5 to 15 minutes caused a 30% decrease in zoledronic acid concentration at the end of the infusion, but had no effect on the area under the plasma concentration versus time curve.
The interpatient variability in pharmacokinetic parameters for zoledronic acid was high, as seen with other bisphosphonates.
No pharmacokinetic data for zoledronic acid are available in patients with hypercalcaemia or in patients with hepatic insufficiency. Zoledronic acid does not inhibit human P450 enzymes in vitro, shows no biotransformation and in animal studies < 3% of the administered dose was recovered in the faeces, suggesting no relevant role of liver function in the pharmacokinetics of zoledronic acid.
The renal clearance of zoledronic acid was correlated with creatinine clearance, renal clearance representing 75 ± 33% of the creatinine clearance, which showed a mean of 84 ± 29 ml/min (range 22 to 143 ml/min) in the 64 cancer patients studied. Population analysis showed that for a patient with creatinine clearance of 20 ml/min (severe renal impairment), or 50 ml/min (moderate impairment), the corresponding predicted clearance of zoledronic acid would be 37% or 72%, respectively, of that of a patient showing creatinine clearance of 84 ml/min. Only limited pharmacokinetic data are available in patients with severe renal insufficiency (creatinine clearance < 30 ml/min).
In an in vitro study, zoledronic acid showed low affinity for the cellular components of human blood, with a mean blood to plasma concentration ratio of 0.59 in a concentration range of 30 ng/ml to 5000 ng/ml. The plasma protein binding is low, with the unbound fraction ranging from 60% at 2 ng/ml to 77% at 2000 ng/ml of zoledronic acid.
Special populations
Paediatric patients
Limited pharmacokinetic data in children with severe osteogenesis imperfecta suggest that zoledronic acid pharmacokinetics in children aged 3 to 17 years are similar to those in adults at a similar mg/kg dose level. Age, body weight, gender and creatinine clearance appear to have no effect on zoledronic acid systemic exposure.
5.3 Preclinical safety data
Acute toxicity
The highest non-lethal single intravenous dose was 10 mg/kg bodyweight in mice and 0.6 mg/kg in rats.
Subchronic and chronic toxicity
Zoledronic acid was well tolerated when administered subcutaneously to rats and intravenously to dogs at doses up to 0.02 mg/kg daily for 4 weeks. Administration of 0.001 mg/kg/day subcutaneously in rats and 0.005 mg/kg intravenously once every 2–3 days in dogs for up to 52 weeks was also well tolerated.
The most frequent finding in repeat-dose studies consisted of increased primary spongiosa in the metaphyses of long bones in growing animals at nearly all doses, a finding that reflected the compound's pharmacological antiresorptive activity.
The safety margins relative to renal effects were narrow in the long-term repeat-dose parenteral animal studies but the cumulative no adverse event levels (NOAELs) in the single dose (1.6 mg/kg) and multiple dose studies of up to one month (0.06–0.6 mg/kg/day) did not indicate renal effects at doses equivalent to or exceeding the highest intended human therapeutic dose. Longer-term repeat administration at doses bracketing the highest intended human therapeutic dose of zoledronic acid produced toxicological effects in other organs, including the gastrointestinal tract, liver, spleen and lungs, and at intravenous injection sites.
Reproduction toxicity
Zoledronic acid was teratogenic in the rat at subcutaneous doses ≥ 0.2 mg/kg. Although no teratogenicity or foetotoxicity was observed in the rabbit, maternal toxicity was found. Dystocia was observed at the lowest dose (0.01 mg/kg bodyweight) tested in the rat.
Mutagenicity and carcinogenic potential
Zoledronic acid was not mutagenic in the mutagenicity tests performed and carcinogenicity testing did not provide any evidence of carcinogenic potential.
6. Pharmaceutical particulars
6.1 List of excipients
Mannitol
Sodium citrate
Water for injections
6.2 Incompatibilities
To avoid potential incompatibilities, Zometa concentrate is to be diluted with 0.9% w/v sodium chloride solution or 5% w/v glucose solution.
This medicinal product must not be mixed with calcium or other divalent cation-containing infusion solutions such as lactated Ringer's solution, and should be administered as a single intravenous solution in a separate infusion line.
6.3 Shelf life
3 years.
After dilution: From a microbiological point of view, the diluted solution for infusion should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and would normally not be longer than 24 hours at 2°C – 8°C. The refrigerated solution should then be equilibrated to room temperature prior to administration.
6.4 Special precautions for storage
This medicinal product does not require any special storage conditions.
For storage conditions of the reconstituted solution for infusion, see section 6.3.
6.5 Nature and contents of container
Vial: 5-ml plastic vial made of clear, colourless cycloolefine copolymer with fluoropolymer-coated bromobutyl rubber stopper and aluminium cap with plastic flip-off component.
Unit packs containing 1 or 4 vials.
Multi-packs containing 10 (10 packs of 1) vials.
Not all pack sizes may be marketed.
6.6 Special precautions for disposal and other handling
Prior to administration, 5.0 ml concentrate from one vial or the volume of the concentrate withdrawn as required must be further diluted with 100 ml of calcium-free infusion solution (0.9% w/v sodium chloride solution or 5% w/v glucose solution).
Additional information on handling of Zometa, including guidance on preparation of reduced doses, is provided in section 4.2.
Aseptic techniques must be followed during the preparation of the infusion. For single use only.
Only clear solution free from particles and discolouration should be used.
Healthcare professionals are advised not to dispose of unused Zometa via the domestic sewage system.
Any unused medicinal product or waste material should be disposed of in accordance with local requirements.
7. Marketing authorisation holder
Novartis Europharm Limited
Frimley Business Park
Camberley GU16 7SR
United Kingdom
8. Marketing authorisation number(s)
EU/1/01/176/004-006
9. Date of first authorisation/renewal of the authorisation
Date of first authorisation: 24.03.2003
Date of latest renewal: 20.03.2006
10. Date of revision of the text
03.07.2015
Detailed information on this medicinal product is available on the website of the European Medicines Agency http://www.ema.europa.eu
---------------------------
上市国家:英国
原产地英文商品名:
ZOMETA-4mg/5ml/Vial
原产地英文药品名:
zoledronic acid
中文参考商品译名:
择泰 4毫克/5毫升/瓶
中文参考药品译名:
唑来膦酸
生产厂家中文参考译名:
诺华
生产厂家英文名:
Novartis
---------------------------
上市国家:英国
原产地英文商品名:
ZOMETA-4mg/10ml/Vial
原产地英文药品名:
zoledronic acid
中文参考商品译名:
择泰 4毫克/10毫升/瓶
中文参考药品译名:
唑来膦酸
生产厂家中文参考译名:
诺华
生产厂家英文名:
Novartis

---------------------------
上市国家:英国
原产地英文商品名:
ZOMETA-4mg/15ml/Vial
原产地英文药品名:
zoledronic acid
中文参考商品译名:
择泰 4毫克/15毫升/瓶
中文参考药品译名:
唑来膦酸
生产厂家中文参考译名:
诺华
生产厂家英文名:
Novartis
---------------------------
上市国家:英国
原产地英文商品名:
ZOMETA-4mg/20ml/Vial
原产地英文药品名:
zoledronic acid
中文参考商品译名:
择泰 4毫克/20毫升/瓶
中文参考药品译名:
唑来膦酸
生产厂家中文参考译名:
诺华
生产厂家英文名:
Novartis
---------------------------
上市国家:英国
原产地英文商品名:
ZOMETA-4mg/25ml/Vial
原产地英文药品名:
zoledronic acid
中文参考商品译名:
择泰 4毫克/25毫升/瓶
中文参考药品译名:
唑来膦酸
生产厂家中文参考译名:
诺华
生产厂家英文名:
Novartis 
---------------------------
上市国家:英国
原产地英文商品名:
ZOMETA-4mg/30ml/Vial
原产地英文药品名:
zoledronic acid
中文参考商品译名:
择泰 4毫克/30毫升/瓶
中文参考药品译名:
唑来膦酸
生产厂家中文参考译名:
诺华
生产厂家英文名:
Novartis

责任编辑:admin


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