通用中文 | 盐酸多柔比星脂质体注射液 | 通用外文 | Doxorubicin HCl |
品牌中文 | 楷莱 | 品牌外文 | Caelyx |
其他名称 | |||
公司 | Ben Venue Laboratories(Ben Venue Laboratories) | 产地 | 美国(USA) |
含量 | 20mg /10ml | 包装 | 1支/盒 |
剂型给药 | 储存 | 2度-8度(冰箱冷藏,禁止冷冻) | |
适用范围 | 用于低CD4及皮肤粘膜内脏疾病的与艾滋病相关的卡波氏肉瘤(AIDS-KS)病。 有进展的AIDS-KS病人化疗。不能耐受下述两种以上药物联合化疗 :长春新碱、博莱霉素和多柔比星(或其他蒽环类抗生素)。 |
通用中文 | 盐酸多柔比星脂质体注射液 |
通用外文 | Doxorubicin HCl |
品牌中文 | 楷莱 |
品牌外文 | Caelyx |
其他名称 | |
公司 | Ben Venue Laboratories(Ben Venue Laboratories) |
产地 | 美国(USA) |
含量 | 20mg /10ml |
包装 | 1支/盒 |
剂型给药 | |
储存 | 2度-8度(冰箱冷藏,禁止冷冻) |
适用范围 | 用于低CD4及皮肤粘膜内脏疾病的与艾滋病相关的卡波氏肉瘤(AIDS-KS)病。 有进展的AIDS-KS病人化疗。不能耐受下述两种以上药物联合化疗 :长春新碱、博莱霉素和多柔比星(或其他蒽环类抗生素)。 |
多柔比星脂质体(楷莱)说明书如下:
【药品名称】
通用名:盐酸多柔比星脂质体注射液
商品名:楷莱
【成份】
楷莱主要成份为盐酸多柔比星脂质体。
【 性状】
楷莱是一种脂质体制剂,系将盐酸多柔比星通过与甲氧基聚乙二醇的表面结合包封于脂质体中。这种工艺被称作为空间稳定或隐匿,可以保护脂质体免受单核巨噬细胞系统(MPS)识别,从而延长其在血液循环中的时间。
楷莱为无菌、半透明的红色混悬液,每瓶10 mL,含盐酸多柔比星2 mg/mL,是用于单剂量静脉滴注给药的浓缩液。楷莱的活性成分为盐酸多柔比星,是从一种波塞链霉菌表灰变种(strep tomyces peucetius var. caesius)培养液中提取得到的蒽环类细胞毒性抗生素。
【规格】
10ml:20mg
【 药理作用】
多柔比星抗肿瘤的确切机理尚不清楚。一般认为它具有抑制DNA、RNA和蛋白合成的细胞毒作用。这是由于这种蒽环类抗生素能嵌入DNA双螺旋的相邻碱基对之间,从而抑制其解链后再复制。
用楷莱对动物进行多剂量给药的研究中所显示的毒性与人体长期滴注盐酸多柔比星的结果相近。楷莱是将盐酸多柔比星包封并隐匿于脂质体中,因而其毒性反应的程度有所不同。
心脏毒性 :兔的研究表明,合用楷莱的心脏毒性低于使用一般盐酸多柔比星制剂。
皮肤毒性 :在大鼠和狗进行的重复给药试验中,用相当于临床应用的剂量可见严重的皮肤炎症和溃疡形成。在狗的研究中,降低给药剂量或者延长给药间隔可减少这些损伤的发生率和减轻严重程度。在长期静脉滴注用药的病人中也可见近似的皮肤损害,如手掌-足底红斑性感觉迟钝。
过敏反应 :在狗的重复给药毒理研究中,给予脂质体(安慰剂)可见以下急性反应 :低血压、粘膜苍白、流涎、呕吐和活动过多而后活动减少及嗜睡。狗使用楷莱和多柔比星可见相似但不很严重的反应,预给抗组胺药可以减轻低血压反应。然而这一反应并无生命危险,狗在停药后可迅速恢复正常。
局部毒性 :皮下耐受性试验显示楷莱与盐酸多柔比星相比,在发生药液外渗下所产生的局部刺激或损害较轻。
【药代动力学】
楷莱是一种长循环周期的盐酸多柔比星脂质体,它在卡波氏肉瘤中的浓度比正常皮肤高。脂质体表面含有亲水聚合物甲氧基聚乙二醇(MPEG)。这些线性排列的MPEG基团从脂质体表面扩散形成一层保护膜,后者可减少脂类双分子层与血浆组分之间的相互作用。这可以延长楷莱脂质体在血循环中的时间,这些脂质体很小(平均直径大约100 nm),足以通过肿瘤的给养血管完整地渗透出来。在对C-26结肠癌肿瘤小鼠卡波氏肉瘤样损害的转基因小鼠实验中,有证据表明脂质体从血管中渗出并进入和蓄积在肿瘤中。这种脂质体具有低渗透性类脂基质与内部水性缓冲系统,两者协同保持盐酸多柔比星在血循环中处于包裹状态。
在对楷莱进行药代动力学评价中,给23例卡波氏肉瘤患者一次滴注20 mg/m2,历时30分钟。下表中列举了使用20 mg/m2楷莱(主要是脂质体包裹的盐酸多柔比星和少量的游离体)后得到的药动学参数(在滴注30分钟时测定)。
血浆峰浓度 :8.34±0.49 mg/mL/h(平均值±标准差)。
血浆清除率 :0.041±0.004 L/h/m2。
分布容积 :2.72±0.120 L/m2。
AUC :590.00±58.7 mg/mL/h。
λ1半衰期 :5.2±1.4 小时。
λ2半衰期 :55.0±4.8小时。
楷莱与文献报道的盐酸多柔比星常规制剂的人体药代动力学有显著差异。楷莱的药代动力学曲线呈线性,给药后呈二相分布,相时间较短(大约5小时),第二相时间较长(大约55小时),占曲线下面积(AUC)的大部分。盐酸多柔比星的组织分布广泛(分布容积700-1100 L/m2),消除速率快(24-73 L/m2)。相反,楷莱的药代动力学特征显示楷莱多半是在血液内,血中多柔比星的消除依靠脂质体载体。在脂质体外渗进入组织后,多柔比星才开始起效。
在相同剂量下,楷莱中占绝大多数的是以脂质体包裹形式存在的盐酸多柔比星(约占测得量的90-95%),楷莱的血药浓度和AUC值显著高于常规盐酸多柔比星制剂。在滴注给药后48-96小时,对卡波氏肉瘤和正常皮肤进行活组织检查:在接受20 mg/m2楷莱的治疗的病人中,给药48小时后卡波氏肉瘤中多柔比星总浓度(脂质体包裹和未包裹的)比正常皮肤平均高19倍(范围3-53)。
【毒理研究 】
致突变性和致癌性 :虽然楷莱尚未进行该方面研究,但楷莱的药理活性成份盐酸多柔比星具有致突变作用和致癌作用。脂质体(安慰剂)无致突变作用和致癌作用。
生殖毒性 :小鼠给予楷莱单剂量(36 mg/kg)导致轻至中度的卵巢或睾丸萎缩。大鼠重复给药(≥ (greater than or equal to) 0.25 mg/kg天)会导致睾丸重量下降和精子减少。狗重复给药(1 mg/kg/天)后观察到曲细精管弥散性变性和精子显著减少。
【适应症】
楷莱可用于低CD4(<200 CD4淋巴细胞/mm3)及有广泛皮肤粘膜内脏疾病的与艾滋病相关的卡波氏肉瘤(AIDS-KS)病人。
楷莱可用作全身化疗药物,或者用作治疗病情有进展的AIDS-KS病人的二线化疗药物,也可用于不能耐受下述两种以上药物联合化疗的病人 :长春新碱、博莱霉素和多柔比星(或其他蒽环类抗生素)。
【用法用量】
楷莱应为每2-3周静脉内给药20 mg/m2,给药间隔不宜少于10天,因为不能排除药物蓄积和毒性增强的可能。病人应持续治疗2-3个月以产生疗效。为保持一定的疗效,在需要时继续给药。楷莱用250毫升5%葡萄糖注射液稀释,静脉滴注30分钟以上。禁止大剂量注射或给用未经稀释的药液。建议楷莱滴注管与5%葡萄糖滴注管相连接以进一步稀释并限度地减少血栓形成和外渗危险。
楷莱禁用于肌肉和皮下注射。
肝功能不全病人 :对少数肝功能不全病人(胆红素值达4 mg/dl)给予20 mg/ m2楷莱,血浆清除率和清除半衰期未见变化。然而在取得进一步的经验之前,根据以往盐酸多柔比星的使用经验,对于肝功能不全的病人楷莱的给药量要减少。建议当胆红素高于以下数值时考虑减少用量 :血清胆红素1.2-3.0 mg/dl,用常用量的1/2 ;大于3 mg/dl时用常用量的1/4。
肾功能不全病人 :由于多柔比星由肝脏代谢和经胆汁排泄,故使用楷莱时剂量不需作调整。
脾切除病人 :目前尚无楷莱用于脾切除病人的经验,故不推荐使用。
【楷莱不良反应 】
对AIDS-KS病人的临床开放和对照研究显示,与楷莱相关的常见的不良反应是骨髓抑制,几乎近一半病人发生。
白细胞减少是病人常见的不良反应,也可见贫血和血小板减少。这些反应一般在治疗早期便可见,而且是暂时的。临床试验中很少因骨髓抑制而停药。出现血液学毒性反应可能需要减少用量或暂停及推迟治疗。当中性粒细胞计数<1000/mm3,或血小板计数<5万/mm3时应暂停使用楷莱。当中性粒细胞计数<1000/mm3时,可同时使用G-CSF或GM-CSF来维持血液细胞数目。
在临床研究中使用楷莱常见有临床意义的实验室检查异常(≥ (greater than or equal to) 5%)包括碱性磷酸酶增加以及门冬酰胺转移酶和胆红素增加,这些反应被认为与基础疾病有关而与楷莱无关。根据报道,血红蛋白和血小板减少的发生率较低(<5%),白细胞减少导致的脓毒病更为少见(<1%)。以上某些异常的产生可能与HI感染有关,而非楷莱造成。
其他发生率较高(≥ (greater than or equal to) 5%)的不良反应有 :恶心,无力,脱发,发热,腹泻,与滴注有关的急性反应和口腔炎。
滴注反应主要有潮红,气短,面部水肿,头痛,寒战,背痛,胸部和喉部收窄感,低血压。在多数情况下,不良反应发生在个疗程。采用某种对症处理,暂停滴注或减缓滴注速率后经过几个小时即可消除这些反应。
据报道,连续滴注常规盐酸多柔比星的病人可见口腔炎,接受楷莱的病人亦时有报道。这并不影响病人完成治疗,一般无需调整剂量,除非口腔炎影响病人的饮食能力,此时可延长给药间期或减量。
楷莱临床研究中常发生呼吸系统不良反应(≥ (greater than or equal to) 5%),这可能与AIDS病人的机会性感染有关。KS病人使用楷莱后可见机会性感染,在HIV引起的免疫缺陷病人中常见发生。在临床研究中,常见的机会性感染是念珠菌病,巨细胞病毒感染,单纯疱疹,卡氏肺囊虫肺炎及单纯鸟分支杆菌感染。
其他不很常见的不良反应(<5%)有手掌-足底红斑性感觉迟钝,口腔念珠菌病,恶心,呕吐,体重下降,皮疹,口腔溃疡,呼吸困难,腹痛,过敏反应包括过敏症,血管扩张,头晕,厌食,舌炎,便秘,感觉异常,视网膜炎和意识模糊。
手掌-足底红斑性感觉迟钝是一种有痛感的红色斑症。一般病人在治疗6周或更多时间后会出现这种反应。该反应似乎与剂量和用法有关,通过延长给药间期1-2周或减量后得以缓解。多数病人1-2周后便会消除,可使用皮质激素。这种反应在一些病人身上显得严重并使人十分衰弱,因而可能需要停药。
用常规多柔比星制剂治疗时充血性心衰的发生率高。虽然对10例接受楷莱累积用量>460 mg/m2的AIDS-KS病人作心肌内膜活组织检查时,9例并未显示蒽环类药物性心肌病,但进一步的证实,使用楷莱发生心肌病变的风险与多柔比星相近。建议AIDS-KS病人的用药剂量为每2或3周20 mg/m2。当累积剂量>400 mg/m2时要注意心脏毒性,这要经过20个疗程,历时约40-60周。
虽然至今尚见由于楷莱外渗而造成局部坏死的报道,但楷莱仍被认为是一种刺激性药物。动物研究显示,盐酸多柔比星以脂质体形式给药减少了外渗伤害的可能。如果发生任何外渗的迹象(如刺痛,红斑)都应立即中止滴注,而从另一静脉重新开始。用冰敷外渗部位30分钟有助于减轻局部反应。楷莱不可用于肌肉和皮下注射。
由于先前的放疗而产生的皮肤不良反应在使用楷莱时偶见复发。
【楷莱禁忌】
楷莱禁用于对楷莱活性成份或其他成份过敏的病人。也不能用于孕妇和哺乳期妇女。对于使用α干扰素进行局部或全身治疗有效的AIDS-KS病人,禁用楷莱。
【注意事项 】
心脏损害 :所有接受楷莱治疗的病人均须经常进行心电图监测。发生一过性心电图改变如T波平坦,S-T段压低和心律失常等时不必立即中止楷莱治疗。然而,QRS复合波减小则是心脏毒性的重要指征。当出现这一改变时,应考虑采用检测蒽环类药物心脏损害可靠的方法进行检查,如心肌内膜活检。
与心电图相比,考察和监测心脏功能更为特异的方法是通过超声心动描记术或多孔动脉造影术(MUGA)测定左室射血分数。在使用楷莱前应常规采用这些方法检测,在治疗期间应定期复查。当楷莱累积剂量超过450 mg/m2时必须在每次用药前考虑评定左室。
每当怀疑出现心脏病变时,如左室射血分数低于治疗前和(或)低于预后相应值(<45%),均应进行心肌内膜活检,必须对继续治疗的益处与产生不可逆性心脏损害的危险进行认真评价。
由于心肌病变而产生的充血性心衰可能会突然发生,事先未见心电图改变,亦可在停药后数周才出现。
在用蒽环类药物治疗期间,上述各种监测心脏功能的评定试验和方法应按以下次序使用 :心电图监测,左室射血分数,心肌内膜活检。当测定结果显示心脏损害与使用楷莱有关时,应认真权衡继续治疗的益处与心脏损伤的利害关系。
对于有心血管病史的病人,只有当利大于弊时才能接受楷莱治疗。
心功能不全病人接受楷莱治疗时要谨慎。
对已经用过其他蒽环类药物的病人,应注意观察。盐酸多柔比星总剂量的确定亦应考虑先前(或同时)使用的心脏毒性药物,如其他蒽环类/蒽醌类药物诸如氟尿嘧啶。
骨髓抑制 :许多使用楷莱治疗的AIDS-KS病人均有艾滋病或许多合用药物等引起的基础骨髓抑制。对于这类病人,骨髓抑制看来是剂量限制性不良反应。由于可能发生骨髓抑制。故在用药期间应经常检查血细胞计数,至少在每次用药前作检查。
持续性骨髓抑制可导致重复感染和出血。
糖尿病人 :应注意楷莱每瓶内含蔗糖,而且滴注时用5%葡萄糖注射液稀释。
对驾车和操作机器的影响 :虽然至今的研究中楷莱并不影响驾驶能力,但使用楷莱偶尔出现(<5%)头晕和嗜睡。所以有上述反应的病人应避免驾车和操作机器。
【孕妇及哺乳期妇女用药】
楷莱对大鼠有胚胎毒性,对家兔有胚胎毒性和堕胎作用。不能排除致畸作用。目前尚无孕妇使用楷莱的经验。因此楷莱禁用于孕妇。建议育龄妇女或其配偶在用楷莱治疗期间及停药后6个月内避孕。
目前尚不清楚乳汁中是否分泌楷莱,鉴于授乳婴儿可能因楷莱而致严重不良反应,因而母亲在接受楷莱前应停止哺乳。
【楷莱儿童用药 】
关于18岁以下病人使用楷莱的安全性和有效性尚未确定。
【楷莱老年用药】
60岁以上病人使用楷莱的安全性和有效性尚未确定。
【楷莱药物相互作用 】
未对楷莱正式进行相互作用研究。但对于已知与多柔比星可产生相互作用的药物,在合用时就注意。虽无正式的研究报告,但楷莱与其他盐酸多柔比星制剂一样,会增强其他抗癌治疗的毒性。已有报道合用盐酸多柔比星会加重环磷酰胺导致的出血性膀胱炎,增强巯嘌呤的肝细胞毒性。所以同时合用其他细胞毒性药物,特别是骨髓毒性药物时需谨慎。
【楷莱 药物过量 】
盐酸多柔比星急性过量可加重粘膜炎,白细胞减少和血小板减少等毒性反应。严重骨髓抑制患者出现急性用药过量的治疗措施为住院、抗生素疗法、输注血小板和粒细胞,对症治疗粘膜炎。
【楷莱用药须知】
禁止使用有沉淀物或其他杂质的器材。
根据推荐剂量和病人的体表面积确定楷莱的剂量。
用灭菌注射器吸取适量楷莱。
由于楷莱中未加防腐剂或抑菌剂,故必须严格遵守无菌操作。
在给药前须取出所需量用250毫升5%葡萄糖注射液稀释。
除5%葡萄糖注射液外的其他稀释剂或任何抑菌剂都可能使楷莱产生沉淀。
建议将楷莱滴注管与5%葡萄糖静脉滴注管相连通。
使用楷莱溶液时要谨慎,需戴手套。如果药液与皮肤或粘膜发生接触,应立即用肥皂水清洗。楷莱的运送和处理的方法与其 他抗癌药物相同。
【楷莱禁忌】
不得与其他药物混合使用。
【贮藏】
未开封的药瓶应保存在2-8°C环境下,避免冷冻。
楷莱用5%葡萄糖注射液稀释后供静脉滴注的药液应立即使用。稀释液不立即使用时应保存在2-8°C环境下,不超过24小时。
药液未用完的药瓶应丢弃。
【有效期】
18个月。
【楷莱生产企业】
Ben Venue Laboratories, Inc.
Doxorubicin
Generic Name: Doxorubicin
hydrochloride
Dosage Form: injection, solution
WARNING: CARDIOMYOPATHY, SECONDARY MALIGNANCIES, EXTRAVASATION AND TISSUE NECROSIS, and SEVERE MYELOSUPPRESSION
· Cardiomyopathy: Myocardial damage, including acute left ventricular failure can occur with Doxorubicin hydrochloride. The risk of cardiomyopathy is proportional to the cumulative exposure with incidence rates from 1% to 20% for cumulative doses ranging from 300 mg/m2 to 500 mg/m2 when Doxorubicin hydrochloride is administered every 3 weeks. The risk of cardiomyopathy is further increased with concomitant cardiotoxic therapy. Assess LVEF before and regularly during and after treatment with Doxorubicin hydrochloride [see Warnings and Precautions (5.1)].
· Secondary Malignancies: Secondary acute myelogenous leukemia (AML) and myelodysplastic syndrome (MDS) occur at a higher incidence in patients treated with anthracyclines, including Doxorubicin hydrochloride [see Warnings and Precautions (5.2)].
· Extravasation and Tissue Necrosis: Extravasation of Doxorubicin hydrochloride can result in severe local tissue injury and necrosis requiring wide excision of the affected area and skin grafting. Immediately terminate the drug and apply ice to the affected area [see Warnings and Precautions (5.3)].
· Severe myelosuppression resulting in serious infection, septic shock, requirement for transfusions, hospitalization, and death may occur [see Warnings and Precautions (5.4)].
Indications and Usage for Doxorubicin
Adjuvant Breast Cancer
Doxorubicin hydrochloride injection, USP is indicated as a component of multi-agent adjuvant chemotherapy for treatment of women with axillary lymph node involvement following resection of primary breast cancer [see Clinical Studies (14)].
Other Cancers
Doxorubicin hydrochloride injection, USP is indicated for the treatment of
· acute lymphoblastic leukemia
· acute myeloblastic leukemia
· Hodgkin lymphoma
· non-Hodgkin lymphoma (NHL)
· metastatic breast cancer
· metastatic Wilms’ tumor
· metastatic neuroblastoma
· metastatic soft tissue sarcoma
· metastatic bone sarcoma
· metastatic ovarian carcinoma
· metastatic transitional cell bladder carcinoma
· metastatic thyroid carcinoma
· metastatic gastric carcinoma
· metastatic bronchogenic carcinoma
Doxorubicin Dosage and Administration
Recommended Dose
Adjuvant Breast Cancer
The recommended dose of Doxorubicin hydrochloride injection is 60 mg/m2 administered as an intravenous bolus on day 1 of each 21-day treatment cycle, in combination with cyclophosphamide, for a total of four cycles [see Clinical Studies (14)].
Metastatic Disease, Leukemia, or Lymphoma
· The recommended dose of Doxorubicin hydrochloride injection when used as a single agent is 60 to 75 mg/m2 intravenously every 21 days.
· The recommended dose of Doxorubicin hydrochloride injection, when administered in combination with other chemotherapy drugs, is 40 to 75 mg/m2 intravenously every 21 to 28 days.
· Consider use of the lower Doxorubicin dose in the recommended dose range or longer intervals between cycles for heavily pretreated patients, elderly patients, or obese patients.
· Cumulative doses above 550 mg/m2 are associated with an increased risk of cardiomyopathy [see Warnings and Precautions (5.1)].
Dose Modifications
Cardiac Impairment
Discontinue Doxorubicin in patients who develop signs or symptoms of cardiomyopathy.
Hepatic Impairment
Doxorubicin hydrochloride injection is contraindicated in patients with severe hepatic impairment (Child-Pugh Class C or serum bilirubin greater than 5.0 mg/dL) [see Contraindications (4)].
Decrease the dose of Doxorubicin hydrochloride injection in patients with elevated serum total bilirubin concentrations as follows:
Serum Bilirubin Concentration |
Doxorubicin Hydrochloride Injection Dose Reduction |
1.2 to 3.0 mg/dL |
50 % |
3.1 to 5.0 mg/dL |
75 % |
greater than 5.0 mg/dL |
Do not initiate
Doxorubicin hydrochloride injection |
[see Warnings and Precautions (5.5) and Use in Specific Population (8.7)] |
Preparation and Administration
Preparation for Continuous Intravenous Infusion
Dilute Doxorubicin hydrochloride injection solution in 0.9% Sodium Chloride Injection, USP or 5% Dextrose Injection, USP. Protect from light following preparation until completion of infusion.
Administration
Visually inspect parenteral drug products for particulate matter and discoloration prior to administration, whenever solution and container permit. Discard if the solution is discolored, cloudy, or contains particulate matter.
Storage of vials of Doxorubicin hydrochloride injection following reconstitution under refrigerated conditions can result in the formation of a gelled product. Place gelled product at room temperature [15º to 30ºC (59º to 86ºF)] for 2 to 4 hours to return the product to a slightly viscous, mobile solution.
Administration by Intravenous Injection:
· Administer Doxorubicin hydrochloride injection as an intravenous injection through a central intravenous line or a secure and free-flowing peripheral venous line containing 0.9% Sodium Chloride Injection, USP, 0.45% Sodium Chloride Injection, USP, or 5% Dextrose Injection, USP.
· Administer Doxorubicin hydrochloride injection intravenously over 3 to 10 minutes. Decrease the rate of Doxorubicin hydrochloride injection administration if erythematous streaking along the vein proximal to the site of infusion or facial flushing occur.
Administration by Continuous Intravenous Infusion:
· Infuse only through a central catheter. Decrease the rate of Doxorubicin hydrochloride injection administration if erythematous streaking along the vein proximal to the site of infusion or facial flushing occur.
· Protect from light from preparation for infusion until completion of infusion.
Management of Suspected Extravasation
Discontinue Doxorubicin hydrochloride injection for burning or stinging sensation or other evidence indicating perivenous infiltration or extravasation. Manage confirmed or suspected extravasation as follows:
· Do not remove the needle until attempts are made to aspirate extravasated fluid.
· Do not flush the line.
· Avoid applying pressure to the site.
· Apply ice to the site intermittently for 15 min 4 times a day for 3 days.
· If the extravasation is in an extremity, elevate the extremity.
· In adults, consider administration of dexrazoxane [see Warnings and Precautions (5.3)].
Incompatibility with Other Drugs
Do not admix Doxorubicin hydrochloride injection with other drugs. If Doxorubicin hydrochloride injection is mixed with heparin or fluorouracil a precipitate may form. Avoid contact with alkaline solutions which can lead to hydrolysis of Doxorubicin hydrochloride injection.
Procedures for Proper Handling and Disposal
Handle and dispose of Doxorubicin hydrochloride injection consistent with recommendations for the handling and disposal of hazardous drugs.1
Treat accidental contact with the skin or eyes immediately by copious lavage with water, or soap and water, or sodium bicarbonate solution. Do not abrade the skin by using a scrub brush. Seek medical attention.
Dosage Forms and Strengths
Doxorubicin Hydrochloride Injection, USP: Vials contain 10 mg/5 mL, 20 mg/10 mL, 50 mg/25 mL and 200 mg/100 mL Doxorubicin hydrochloride, USP as a clear red solution.
Contraindications
Doxorubicin hydrochloride is contraindicated in patients with:
· Severe myocardial insufficiency [see Warnings and Precautions (5.1)]
· Recent (occurring within the past 4 to 6 weeks) myocardial infarction [see Warnings and Precautions (5.1)]
· Severe persistent drug-induced myelosuppression [see Warnings and Precautions (5.4)]
· Severe hepatic impairment (defined as Child Pugh Class C or serum bilirubin level greater than 5 mg/dL) [see Warnings and Precautions (5.5)]
· Severe hypersensitivity reaction to Doxorubicin hydrochloride including anaphylaxis [see Adverse Reactions (6.2)]
Warnings and Precautions
Cardiomyopathy and Arrhythmias
Cardiomyopathy
Doxorubicin hydrochloride can result in myocardial damage, including acute left ventricular failure. The risk of cardiomyopathy is generally proportional to the cumulative exposure. Include prior doses of other anthracyclines or anthracenediones in calculations of total cumulative dosage for Doxorubicin hydrochloride. Cardiomyopathy may develop during treatment or up to several years after completion of treatment and can include decrease in LVEF and signs and symptoms of congestive heart failure (CHF). The probability of developing cardiomyopathy is estimated to be 1 to 2% at a total cumulative dose of 300 mg/m2 of Doxorubicin hydrochloride, 3 to 5% at a dose of 400 mg/m2, 5 to 8% at a dose of 450 mg/m2, and 6 to 20% at a dose of 500 mg/m2, when Doxorubicin hydrochloride is administered every 3 weeks. There is an additive or potentially synergistic increase in the risk of cardiomyopathy in patients who have received radiotherapy to the mediastinum or concomitant therapy with other known cardiotoxic agents such as cyclophosphamide and trastuzumab.
Pericarditis and myocarditis have also been reported during or following Doxorubicin hydrochloride treatment.
Assess left ventricular cardiac function (e.g., MUGA or echocardiogram) prior to initiation of Doxorubicin hydrochloride, during treatment to detect acute changes, and after treatment to detect delayed cardiotoxicity. Increase the frequency of assessments as the cumulative dose exceeds 300 mg/m2. Use the same method of assessment of LVEF at all time points [see Use in Specific Populations (8.4)].
Consider the use of dexrazoxane to reduce the incidence and severity of cardiomyopathy due to Doxorubicin hydrochloride administration in patients who have received a cumulative Doxorubicin hydrochloride dose of 300 mg/m2 and who will continue to receive Doxorubicin hydrochloride.
Arrhythmias
Doxorubicin hydrochloride can result in arrhythmias, including life-threatening arrhythmias, during or within a few hours after Doxorubicin hydrochloride administration and at any time point during treatment. Tachyarrhythmias, including sinus tachycardia, premature ventricular contractions, and ventricular tachycardia, as well as bradycardia may occur. Electrocardiographic changes including non-specific ST-T wave changes, atrioventricular and bundle-branch block can also occur. These electrocardiographic changes may be transient and self-limited and may not require dose-modifications of Doxorubicin hydrochloride.
Secondary Malignancies
The risk of developing secondary acute myelogenous leukemia (AML) and myelodysplastic syndrome (MDS) is increased following treatment with Doxorubicin hydrochloride. Cumulative incidences ranged from 0.2% at five years to 1.5% at 10 years in two separate trials involving the adjuvant treatment of women with breast cancer. These leukemias generally occur within 1 to 3 years of treatment.
Extravasation and Tissue Necrosis
Extravasation of Doxorubicin hydrochloride can result in severe local tissue injury manifesting as blistering, ulceration, and necrosis requiring wide excision of the affected area and skin grafting. When given via a peripheral venous line, infuse Doxorubicin over 10 minutes or less to minimize the risk of thrombosis or perivenous extravasation. If signs or symptoms of extravasation occur, immediately terminate the injection or infusion [see Dosage and Administration (2.3)]. Extravasation may be present in patients who do not experience a stinging or burning sensation or when blood return is present on aspiration of the infusion needle. If extravasation is suspected, apply ice to the site intermittently for 15 minutes, 4 times a day for 3 days. If appropriate, administer dexrazoxane at the site of extravasation as soon as possible and within the first 6 hours after extravasation.
Severe Myelosuppression
Doxorubicin hydrochloride can cause myelosuppression. In Study 1, the incidence of severe myelosuppression was: grade 4 leukopenia (0.3%), grade 3 leukopenia (3%), and grade 4 thrombocytopenia (0.1%). A dose-dependent, reversible neutropenia is the predominant manifestation of hematologic toxicity from Doxorubicin hydrochloride. When Doxorubicin hydrochloride is administered every 21 days, the neutrophil count reaches its nadir 10 to 14 days after administration with recovery usually occurring by the 21st day.
Obtain baseline assessment of blood counts and carefully monitor patients during treatment for possible clinical complications due to myelosuppression.
Use in Patients with Hepatic Impairment
The clearance of Doxorubicin is decreased in patients with elevated serum bilirubin with an increased risk of toxicity [see Use in Specific Populations (8.7) and Clinical Pharmacology (12.3)]. Reduce the dose of Doxorubicin hydrochloride in patients with serum bilirubin levels of 1.2 to 5.0 mg/dL [see Dosage and Administration (2.2)]. Doxorubicin is contraindicated in patients with severe hepatic impairment (defined as Child Pugh Class C or serum bilirubin level greater than 5 mg/dL) [see Contraindications (4)]. Obtain liver tests including SGOT, SGPT, alkaline phosphatase, and bilirubin prior to and during Doxorubicin hydrochloride therapy.
Tumor Lysis Syndrome
Doxorubicin hydrochloride may induce tumor lysis syndrome in patients with rapidly growing tumors. Evaluate blood uric acid levels, potassium, calcium, phosphate, and creatinine after initial treatment. Hydration, urine alkalinization, and prophylaxis with allopurinol to prevent hyperuricemia may minimize potential complications of tumor lysis syndrome.
Radiation Sensitization and Radiation Recall
Doxorubicin hydrochloride can increase radiation-induced toxicity to the myocardium, mucosa, skin, and liver. Radiation recall, including but not limited to cutaneous and pulmonary toxicity, can occur in patients who receive Doxorubicin hydrochloride after prior radiation therapy.
Embryofetal Toxicity
Doxorubicin hydrochloride can cause fetal harm when administered to a pregnant woman. Doxorubicin hydrochloride was teratogenic and embryotoxic in rats and rabbits at doses lower than the recommended human dose.
If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, apprise the patient of the potential hazard to a fetus [see Use in Specific Populations (8.1)].
Advise female patients of reproductive potential to use highly effective contraception during treatment with Doxorubicin hydrochloride and for 6 months after treatment. Advise patients to contact their healthcare provider if they become pregnant, or if pregnancy is suspected, while taking Doxorubicin hydrochloride [see Use in Specific Populations (8.1) and (8.6)].
Adverse Reactions
The following adverse reactions are discussed in more detail in other sections of the labeling.
· Cardiomyopathy and Arrhythmias [see Warnings and Precautions (5.1)]
· Secondary Malignancies [see Warnings and Precautions (5.2)]
· Extravasation and Tissue Necrosis [see Warnings and Precautions (5.3)]
· Severe Myelosuppression [see Warnings and Precautions (5.4)]
· Tumor Lysis Syndrome [see Warnings and Precautions (5.6)]
· Radiation Sensitization and Radiation Recall [see Warnings and Precautions (5.7)]
Clinical Trial Experience in Breast Cancer
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.
The safety data below were collected from 1492 women who received Doxorubicin hydrochloride at a dose of 60 mg/m2 and cyclophosphamide at a dose of 600 mg/m2 (AC) every 3 weeks for 4 cycles for the adjuvant treatment of axillary lymph node positive breast cancer. The median number of cycles received was 4. Selected adverse reactions reported in this study are provided in Table 1. No treatment-related deaths were reported in patients on either arm of the study.
.
Table 1. Selected Adverse Reactions in Patients with Early Breast Cancer Involving Axillary Lymph Nodes |
||
Conventional |
||
AC* |
CMF |
|
N=1492 |
N=739 |
|
Adverse reactions, % of patients |
||
Leukopenia |
||
Grade 3 (1,000 to 1,999 /mm3) |
3.4 |
9.4 |
Grade 4 (<1000 /mm3) |
0.3 |
0.3 |
Thrombocytopenia |
||
Grade 3 (25,000 to 49,999 /mm3) |
0 |
0.3 |
Grade 4 (<25,000 /mm3) |
0.1 |
0 |
Shock, sepsis |
2 |
1 |
Systemic infection |
2 |
1 |
Vomiting |
||
Vomiting ≤12 hours |
34 |
25 |
Vomiting >12 hours |
37 |
12 |
Intractable |
5 |
2 |
Alopecia |
92 |
71 |
Cardiac dysfunction |
||
Asymptomatic |
0.2 |
0.1 |
Transient |
0.1 |
0 |
Symptomatic |
0.1 |
0 |
* Includes pooled data from patients who received either AC alone for 4 cycles, or who were treated with AC for 4 cycles followed by 3 cycles of CMF |
Postmarketing Experience
The following adverse reactions have been identified during post-approval use of Doxorubicin hydrochloride. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Cardiac - cardiogenic shock
Cutaneous -Skin and nail hyperpigmentation, oncolysis, rash, itching, photosensitivity, urticaria, acral erythema, palmar plantar erythrodysesthesia
Gastrointestinal - Nausea, mucositis, stomatitis, necrotizing colitis, typhlitis, gastric erosions, gastrointestinal tract bleeding, hematochezia, esophagitis, anorexia, abdominal pain, dehydration, diarrhea, hyperpigmentation of the oral mucosa
Hypersensitivity - Anaphylaxis
Laboratory Abnormalities -Increased alanine aminotransferase, increased aspartate aminotransferase
Neurological - Peripheral sensory and motor neuropathy, seizures, coma
Ocular - Conjunctivitis, keratitis, lacrimation
Vascular - Phlebosclerosis, phlebitis/thrombophlebitis, hot flashes, thromboembolism
Other - Malaise/asthenia, fever, chills, weight gain
Drug Interactions
Effect of CYP3A4 Inhibitors, Inducers and P-gp
Doxorubicin is a major substrate of cytochrome P450 CYP3A4 and CYP2D6, and P-glycoprotein (P-gp). Clinically significant interactions have been reported with inhibitors of CYP3A4, CYP2D6, and/or P-gp (e.g., verapamil), resulting in increased concentration and clinical effect of Doxorubicin. Inducers of CYP3A4 (e.g., phenobarbital, phenytoin, St. John’s Wort) and P-gp inducers may decrease the concentration of Doxorubicin. Avoid concurrent use of Doxorubicin hydrochloride with inhibitors and inducers of CYP3A4, CYP2D6, or P-gp.
Trastuzumab
Concurrent use of trastuzumab and Doxorubicin hydrochloride results in an increased risk of cardiac dysfunction. Avoid concurrent administration of Doxorubicin and trastuzumab. The appropriate interval for administering Doxorubicin following trastuzumab therapy has not been determined [see Warnings and Precautions (5.1)].
Paclitaxel
Paclitaxel, when given prior to Doxorubicin hydrochloride, increases the plasma-concentrations of Doxorubicin and its metabolites. Administer Doxorubicin hydrochloride prior to paclitaxel if used concomitantly.
Dexrazoxane
Do not administer dexrazoxane as a cardioprotectant at the initiation of Doxorubicin hydrochloridecontaining chemotherapy regimens. In a randomized trial in women with metastatic breast cancer, initiation of dexrazoxane with Doxorubicin hydrochloride-based chemotherapy resulted in a significantly lower tumor response rate (48% vs. 63%; p=0.007) and shorter time to progression than in women who received Doxorubicin hydrochloride-based chemotherapy alone.
6-Mercaptopurine
Doxorubicin hydrochloride may potentiate 6-mercaptopurine-induced hepatotoxicity. In 11 patients with refractory leukemia treated with 6-mercaptopurine (500 mg/m2 intravenously daily for 5 days per cycle every 2 to 3 weeks) and Doxorubicin hydrochloride (50 mg/m2 intravenous once per cycle every 2 to 3 weeks) alone or with vincristine and prednisone, all developed hepatic dysfunction manifested by elevations of total serum bilirubin, alkaline phosphatase and aspartate aminotransferase.
USE IN SPECIFIC POPULATIONS
Pregnancy
Teratogenic Effects: Pregnancy Category D
Risk Summary
Doxorubicin hydrochloride can cause fetal harm when administered to a pregnant woman. Doxorubicin hydrochloride was teratogenic and embryotoxic in rats and rabbits at doses approximately 0.07 times (based on body surface area) the recommended human dose of 60 mg/m2. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, apprise the patient of the potential hazard to a fetus.
Animal Data
Doxorubicin hydrochloride was teratogenic and embryotoxic at doses of 0.8 mg/kg/day (about 0.07 times the recommended human dose based on body surface area) when administered during the period of organogenesis in rats. Teratogenicity and embryotoxicity were also seen using discrete periods of treatment. The most susceptible was the 6- to 9-day gestation period at doses of 1.25 mg/kg/day and greater. Characteristic malformations included esophageal and intestinal atresia, tracheo-esophageal fistula, hypoplasia of the urinary bladder, and cardiovascular anomalies. Doxorubicin hydrochloride was embryotoxic (increase in embryofetal deaths) and abortifacient at 0.4 mg/kg/day (about 0.07 times the recommended human dose based on body surface area) in rabbits when administered during the period of organogenesis.
Nursing Mothers
Doxorubicin has been detected in the milk of at least one lactating patient [see Clinical Pharmacology (12.3)]. Because of the potential for serious adverse reactions in nursing infants from Doxorubicin hydrochloride, a decision should be made whether to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother.
Pediatric Use
Based on postmarketing reports, pediatric patients treated with Doxorubicin hydrochloride are at risk for developing late cardiovascular dysfunction. Risk factors include young age at treatment (especially less than 5 years), high cumulative doses and receipt of combined modality therapy. Long-term periodic cardiovascular monitoring is recommended for all pediatric patients who have received Doxorubicin hydrochloride. Doxorubicin hydrochloride, as a component of intensive chemotherapy regimens administered to pediatric patients, may contribute to prepubertal growth failure and may also contribute to gonadal impairment, which is usually temporary.
There are no recommended dose adjustments based on age. Doxorubicin clearance was increased in patients aged 2 years to 20 years as compared to adults, while Doxorubicin clearance was similar in children less than 2 years as compared to adults [see Clinical Pharmacology (12.3)].
Geriatric Use
Clinical experience in patients who were 65 years of age and older who received Doxorubicin hydrochloride-based chemotherapy regimens for metastatic breast cancer showed no overall differences in safety and effectiveness compared with younger patients.
Females and Males of Reproductive Potential
Contraception
Females
Doxorubicin hydrochloride can cause fetal harm when administered during pregnancy. Advise female patients of reproductive potential to use highly effective contraception during treatment with Doxorubicin hydrochloride and for 6 months after treatment. Advise patients to contact their healthcare provider if they become pregnant, or if pregnancy is suspected, while taking Doxorubicin hydrochloride [see Use in Specific Populations (8.1)].
Males
Doxorubicin hydrochloride may damage spermatozoa and testicular tissue, resulting in possible genetic fetal abnormalities. Males with female sexual partners of reproductive potential should use effective contraception during and for 6 months after treatment [see Nonclinical Toxicology (13.1)].
Infertility
Females
In females of reproductive potential, Doxorubicin hydrochloride may cause infertility and result in amenorrhea. Premature menopause can occur. Recovery of menses and ovulation is related to age at treatment [see Nonclinical Toxicology (13.1)].
Males
Doxorubicin hydrochloride may result in oligospermia, azoospermia, and permanent loss of fertility. Sperm counts have been reported to return to normal levels in some men. This may occur several years after the end of therapy.
Hepatic Impairment
The clearance of Doxorubicin was reduced in patients with elevated serum bilirubin levels. Reduce the dose of Doxorubicin hydrochloride in patients with serum bilirubin levels greater than 1.2 mg/dL [See Dosage and Administration (2.2) and Warnings and Precautions (5.5)].
Doxorubicin hydrochloride is contraindicated in patients with severe hepatic impairment (defined as Child Pugh Class C or serum bilirubin levels greater than 5 mg/dL) [see Contraindications (4)].
Overdosage
Few cases of overdose have been described. A 58-year-old man with acute lymphoblastic leukemia received 10-fold overdose of Doxorubicin hydrochloride (300 mg/m2) in one day. He was treated with charcoal filtration, hemopoietic growth factor (G-CSF), proton pump inhibitor and antimicrobial prophylaxis. The patient suffered sinus tachycardia, grade 4 neutropenia and thrombocytopenia for 11 days, severe mucositis and sepsis. The patient recovered completely 26 days after the overdose. A 17-year-old girl with osteogenic sarcoma received 150 mg of Doxorubicin hydrochloride daily for 2 days (intended dose was 50 mg per day for 3 days). The patient developed severe mucositis on days 4 to 7 after the overdose and chills and pyrexia on day 7. The patient was treated with antibiotics and platelets and recovered 18 days after overdose.
Doxorubicin Description
Doxorubicin hydrochloride, USP is a cytotoxic, anthracycline, topoisomerase II inhibitor isolated from cultures of Streptomyces peucetius var. caesius. Chemically, Doxorubicin hydrochloride, USP is: 5,12-Naphthacenedione, 10-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-7,8,9,10 tetrahydro-6,8,11-trihydroxy-8-(hydroxylacetyl)-1-methoxy-, hydrochloride (8S-cis)-. The molecular weight of Doxorubicin hydrochloride, USP is 579.99, and the molecular formula is C27H29NO11•HCl.The chemical structure of Doxorubicin hydrochloride, USP is:
Doxorubicin hydrochloride injection, USP is a clear, red, sterile, isotonic aqueous solution provided in vials containing 10 mg/5 mL, 20 mg/10 mL, 50 mg/25 mL or 200 mg/100 mL of Doxorubicin hydrochloride, USP. The drug product has demonstrated inherent antimicrobial activity suitable for a multiple dose presentation. Each milliliter of solution contains 2 mg of Doxorubicin hydrochloride, USP. Inactive ingredients include sodium chloride 0.9%, USP, and water for injection, USP, quantity sufficient. The pH of the solution is adjusted to 3.0 with hydrochloric acid, USP.
Doxorubicin - Clinical Pharmacology
Mechanism of Action
The cytotoxic effect of Doxorubicin hydrochloride on malignant cells and its toxic effects on various organs are thought to be related to nucleotide base intercalation and cell membrane lipid binding activities of Doxorubicin. Intercalation inhibits nucleotide replication and action of DNA and RNA polymerases. The interaction of Doxorubicin with topoisomerase II to form DNA-cleavable complexes appears to be an important mechanism of Doxorubicin hydrochloride cytocidal activity.
Pharmacokinetics
Pharmacokinetic studies conducted in patients with various types of tumors have shown that Doxorubicin follows multiphasic disposition after intravenous injection. The distribution half-life is approximately 5 minutes, while the terminal half-life is 20 to 48 hours. In four patients, Doxorubicin demonstrated dose-independent pharmacokinetics across a dose range of 30 to 70 mg/m2.
Distribution
Steady-state distribution volume ranges from 809 to 1214 L/m2. Binding of Doxorubicin and its major metabolite, Doxorubicinol, to plasma proteins is about 75% and is independent of plasma concentration of Doxorubicin up to 1.1 mcg/mL.
Doxorubicin was measured in the milk of one lactating patient after therapy with 70 mg/m2 of Doxorubicin hydrochloride given as a 15-minute intravenous infusion. The peak milk concentration at 24 hours after treatment was 4.4-fold greater than the corresponding plasma concentration. Doxorubicin was detectable in the milk up to 72 hours.
Doxorubicin does not cross the blood brain barrier.
Metabolism
Enzymatic reduction at the 7 position and cleavage of the daunosamine sugar yields aglycones which are accompanied by free radical formation, the local production of which may contribute to the cardiotoxic activity of Doxorubicin hydrochloride. Disposition of Doxorubicinol in patients is formation rate limited, with the terminal half-life of Doxorubicinol being similar to Doxorubicin. The relative exposure of Doxorubicinol, i.e., the ratio between the AUC of Doxorubicinol and the AUC of Doxorubicin is approximately 0.5.
Excretion
Plasma clearance is in the range 324 to 809 mL/min/m2 and is predominately by metabolism and biliary excretion. Approximately 40% of the dose appears in the bile in 5 days, while only 5 to 12% of the drug and its metabolites appear in the urine during the same time period. In urine, less than 3% of the dose was recovered as Doxorubicinol over 7 days.
Systemic clearance of Doxorubicin is significantly reduced in obese women with ideal body weight greater than 130%. There was a significant reduction in clearance without any change in volume of distribution in obese patients when compared with normal patients with less than 115% ideal body weight.
Pediatric patients
Following administration of doses ranging from 10 to 75 mg/m2 of Doxorubicin hydrochloride to 60 children and adolescents ranging from 2 months to 20 years of age, Doxorubicin clearance averaged 1443 ± 114 mL/min/m2. Further analysis demonstrated that clearance in 52 children greater than 2 years of age (1540 mL/min/m2) was increased compared with adults. However, clearance in infants younger than 2 years of age (813 mL/min/m2) was decreased compared with older children and approached the range of clearance values determined in adults [see Use in Specific Populations (8.4)].
Patient Gender
There is no recommended dose adjustment based on gender. A published clinical study involving 6 men and 21 women with no prior anthracycline therapy reported a significantly higher median Doxorubicin clearance in men compared to women (1088 mL/min/m2 versus 433 mL/min/m2). However, the terminal half-life of Doxorubicin was longer in men compared to women (54 versus 35 hours).
Patients with hepatic impairment
The clearance of Doxorubicin and Doxorubicinol was reduced in patients with elevation in serum bilirubin [see Dosage and Administration (2.2) and Warnings and Precautions (5.5)].
Nonclinical Toxicology
Carcinogenesis and Mutagenesis and Impairment of Fertility
Doxorubicin hydrochloride treatment results in an increased risk of secondary malignancies based on postmarketing reports [see Warnings and Precautions (5.2)]. Doxorubicin hydrochloride was mutagenic in the in vitro Ames assay, and clastogenic in multiple in vitro assays (CHO cell, V79 hamster cell, human lymphoblast, and SCE assays) and the in vivo mouse micronucleus assay.
Doxorubicin hydrochloride decreased fertility in female rats at the doses of 0.05 and 0.2 mg/kg/day (approximately 0.005 and 0.02 times the recommended human dose, based on body surface area).
A single intravenous dose of 0.1 mg/kg Doxorubicin hydrochloride (approximately 0.01 times the recommended human dose based on body surface area) was toxic to male reproductive organs in animal studies, producing testicular atrophy, diffuse degeneration of the seminiferous tubules, and oligospermia/hypospermia in rats. Doxorubicin hydrochloride induces DNA damage in rabbit spermatozoa and dominant lethal mutations in mice.
Clinical Studies
The clinical efficacy of Doxorubicin hydrochloride-containing regimens for the post-operative, adjuvant treatment of surgically resected breast cancer was evaluated in a meta-analysis conducted by the Early Breast Cancer Trialists Collaborative Group (EBCTCG). The EBCTCG meta-analyses compared cyclophosphamide, methotrexate, and 5-fluorouracil (CMF) to no chemotherapy (19 trials including 7523 patients) and Doxorubicin hydrochloride-containing regimens with CMF as an active control (6 trials including 3510 patients). Data from the meta-analysis of trials comparing CMF to no therapy were used to establish the historical treatment effect size for CMF regimens. The major efficacy outcome measures were disease-free survival (DFS) and overall survival (OS).
Of the 3510 women (2157 received Doxorubicin hydrochloride-containing regimens and 1353 received CMF treatment) with early breast cancer involving axillary lymph nodes included in the six trials from the meta-analyses, approximately 70% were premenopausal and 30% were postmenopausal. At the time of the meta-analysis, 1745 first recurrences and 1348 deaths had occurred. The analyses demonstrated that Doxorubicin hydrochloride-containing regimens retained at least 75% of the historical CMF adjuvant effect on DFS with a hazard ratio (HR) of 0.91 (95% CI, 0.82 to 1.01) and on OS with a HR of 0.91 (95% CI, 0.81 to 1.03). Results of these analyses for both DFS and OS are provided in Table 2 and Figures 1 and 2.
Table 2. Summary of Randomized Trials Comparing Doxorubicin Hydrochloride-Containing Regimens Versus CMF in EBCTCG Meta-Analysis |
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Regimens |
No. of Cycles |
No. of |
Doxorubicin Hydrochloride-Containing |
||
Study |
Regimens vs CMF |
||||
(starting year) |
Patients |
HR** (95% CI) |
|||
DFS |
OS |
||||
NSABP B-15 (1984) |
AC |
4 |
1562* |
||
0.93 (0.82 to 1.06) |
0.97 (0.83 to 1.12) |
||||
CMF |
6 |
776 |
|||
SECSG 2 (1976) |
FAC |
6 |
260 |
||
0.86 (0.66 to 1.13) |
0.93 (0.69 to 1.26) |
||||
CMF |
6 |
268 |
|||
ONCOFRANCE (1978) |
FACV |
12 |
138 |
||
0.71 (0.49 to 1.03) |
0.65 (0.44 to 0.96) |
||||
CMF |
12 |
113 |
|||
SE Sweden |
AC |
6 |
21 |
||
BCG A (1980) |
0.59 (0.22 to 1.61) |
0.53 (0.21 to 1.37) |
|||
CMF |
6 |
22 |
|||
NSABC Israel |
AVbCMF † |
4 |
55 |
||
Br0283 (1983) |
6 |
0.91 (0.53 to 1.57) |
0.88 (0.47 to 1.63) |
||
CMF |
8 |
50 |
|||
Austrian BCSG 3 (1984) |
CMFVA |
6 |
21 |
||
1.07 (0.73 to 1.55) |
0.93 (0.64 to 1.35) |
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CMF |
8 |
22 |
|||
Doxorubicin hydrochloride - |
2157 |
||||
Combined Studies |
Containing Regimens |
0.91 (0.82 to 1.01) |
0.91 (0.81 to 1.03) |
||
CMF |
1353 |
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Abbreviations: DFS=disease free survival; OS=overall survival; AC=Doxorubicin hydrochloride, cyclophosphamide; AVbCMF=Doxorubicin hydrochloride, vinblastine, cyclophosphamide, methotrexate, 5-fluorouracil; CMF=cyclophosphamide, methotrexate, 5-fluorouracil; CMFVA=cyclophosphamide, methotrexate, 5-fluorouracil, vincristine, Doxorubicin hydrochloride; FAC=5-fluorouracil, Doxorubicin hydrochloride, cyclophosphamide; FACV=5-fluorouracil, Doxorubicin hydrochloride, cyclophosphamide, vincristine; HR=hazard ratio; CI=confidence interval |
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*Includes pooled data from patients who received either AC alone for 4 cycles, or who were treated with AC for 4 cycles followed by 3 cycles of CMF. |
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** a hazard ratio of less than 1 indicates that the treatment with Doxorubicin hydrochloride-containing regimens is associated with lower risk of disease recurrences or death compared to the treatment with CMF. |
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† Patients received alternating cycles of AVb and CMF. |
Figure 1. Meta-analysis of Disease-Free Survival
Figure 2. Meta-analysis of Overall Survival
REFERENCES
1. “Hazardous Drugs”. OSHA. http://www.osha.gov/SLTC/hazardousdrugs/index.html
2.
How is Doxorubicin Supplied
Doxorubicin hydrochloride injection, USP is supplied in single-dose, flip-top vials, as a clear, red solution containing Doxorubicin hydrochloride, USP 2 mg/mL in the following package strengths:
NDC 45963-733-55: 10 mg in 5 mL Single Dose Vial
NDC 45963-733-57: 20 mg in 10 mL; Single Dose Vial
NDC 45963-733-68: 50 mg in 25 mL; Single Dose Vial
NDC 45963-733-60: 200 mg in 100 mL; Multiple Dose Vial
For the single dose vials: Store under refrigeration between 2° to 8°C (36° to 46°F).
Protect from light. Retain in carton until time of use. Discard unused portion.
For the multiple dose vial: Store under refrigeration between 2° to 8°C (36° to 46°F).
Protect from light. Retain in carton until contents are used.
Storage of Doxorubicin hydrochloride injection, USP under refrigerated conditions can result in the formation of a gelled product. Place gelled product at room temperature [15º to 30ºC (59º to 86ºF)] for 2 to 4 hours to return the product to a slightly viscous, mobile solution.
Handling and Disposal
Handle and dispose of Doxorubicin hydrochloride injection, USP consistent with recommendations for the handling and disposal of hazardous drugs.1
Sterile, Nonpyrogenic, Preservative-free.
The vial stopper is not made with natural rubber latex.
Patient Counseling Information
See FDA-Approved Patient Labeling (Patient Information).
Inform patients of the following:
· Doxorubicin hydrochloride injection can cause irreversible myocardial damage. Advise patients to contact a healthcare provider for symptoms of heart failure during or after treatment with Doxorubicin hydrochloride injection [see Warnings and Precautions (5.1)].
· There is an increased risk of treatment-related leukemia from Doxorubicin hydrochloride injection [see Warnings and Precautions (5.2)].
· Doxorubicin hydrochloride injection can reduce the absolute neutrophil count resulting in an increased risk of infection. Advise patients to contact a healthcare provider for new onset fever or symptoms of infection [see Warnings and Precautions (5.4)].
· Doxorubicin hydrochloride injection can cause fetal harm when administered during pregnancy. Advise females of reproductive potential to use effective contraception during treatment with Doxorubicin hydrochloride injection and for 6 months after treatment, and to contact their healthcare provider if they become pregnant, or if pregnancy is suspected, during treatment with Doxorubicin hydrochloride injection [see Warnings and Precautions (5.8) and Use in Specific Populations (8.6)].
· Doxorubicin hydrochloride injection may induce chromosomal damage in sperm, which may lead to loss of fertility and offspring with birth defects. Advise patients to use effective contraception during and for 6 months after treatment [see Warnings and Precautions (5.8) and Use in Specific Populations (8.6)].
· Doxorubicin hydrochloride injection can cause premature menopause in females and loss of fertility in males [see Use in Specific Populations (8.6)].
· Discontinue nursing while receiving Doxorubicin hydrochloride injection [see Use in Specific Populations (8.3)].
· Doxorubicin hydrochloride injection can cause nausea, vomiting, diarrhea, mouth/oral pain and sores.
· Advise patients to contact a healthcare provider should they develop any severe symptoms that prevent them from eating and drinking [see Adverse Reactions (6)].
· Doxorubicin hydrochloride injection causes alopecia [see Adverse Reactions (6.1)].
· Doxorubicin hydrochloride injection can cause their urine to appear red for 1 to 2 days after administration.
Made in Italy
Distributed
by:
Actavis Pharma, Inc.
Parsippany, NJ 07054 USA
Revised – March 2015
PATIENT INFORMATION
Doxorubicin
Hydrochloride (dox-oh-ROO-bih-sin HYE-droe-KLOR-ide)
Injection, USP
Rx Only
What is the most important information I should know about Doxorubicin hydrochloride injection?
Doxorubicin hydrochloridemay cause serious side effects including:
Heart failure. Doxorubicin hydrochloride may cause heart muscle damage that may lead to heart failure, which is a condition in which the heart does not pump well. Heart failure is irreversible in some cases and can lead to death. Heart failure can happen during your treatment with Doxorubicin hydrochloride or months to years after stopping treatment. Your risk of heart muscle damage increases with higher total amounts of Doxorubicin hydrochloride that you receive in your lifetime. Your risk of heart failure is higher if you:
o already have other heart problems
o have had or are currently receiving radiation therapy to your chest
o have had treatment with certain other anti-cancer medicines
o take other medicines that can have severe side effects on your heart
Tell your doctor if you get any of these symptoms of heart failure during or after treatment with Doxorubicin hydrochloride:
• extreme tiredness or weakness |
• fast heartbeat |
• shortness of breath |
• swelling of your feet and ankles |
Your doctor will do tests to check the strength of your heart muscle before, during, and after your treatment with Doxorubicin hydrochloride.
· Risk of new cancers. You may have an increased risk of developing certain blood cancers called acute myelogenous leukemia (AML) or myelodysplastic syndrome (MDS) after treatment with Doxorubicin hydrochloride. Talk with your doctor about your risk of developing new cancers if you take Doxorubicin hydrochloride.
· Skin damage near the vein where Doxorubicin hydrochlorideis given (Injection site reaction).Doxorubicin hydrochloride can damage the skin if it leaks out of the vein. Symptoms of infusion reaction include blisters and skin sores at injection site which may require skin grafts.
· Decreased blood cell counts. Doxorubicin hydrochloride can cause a decrease in neutrophils (a type of white blood cells important in fighting bacterial infections) and platelets (important for clotting and to control bleeding). This may lead to a serious infection, the need for blood transfusions, treatment in a hospital and death. Your doctor will check your blood cell count during your treatment with Doxorubicin hydrochloride and after you have stopped your treatment. Call your doctor right away if you get a fever (temperature of 100.4ºF or greater) or chills with shivering.
What is Doxorubicin hydrochloride injection?
Doxorubicin hydrochloride is a prescription medicine used to treat certain types of cancers. Doxorubicin hydrochloride may be used alone or along with other anti-cancer medicines.
Who should not receive Doxorubicin hydrochloride injection?
Do not receive Doxorubicin hydrochlorideif:
· you have had a recent heart attack or have severe heart problems
· your blood cell counts (platelets, red blood cells, and white blood cells) are very low because of prior chemotherapy
· you have a severe liver problem
· you have had a serious allergic reaction to Doxorubicin hydrochloride
What should I tell my doctor before receiving Doxorubicin hydrochloride injection?
Before you receive Doxorubicin hydrochloride, tell your doctor if you:
· have heart problems including heart failure
· are currently receiving radiation therapy or plan to receive radiation to the chest
· have severe liver problems
· have had an allergic reaction to Doxorubicin hydrochloride
· have any other medical conditions
· are pregnant or plan to become pregnant. Doxorubicin hydrochloride can harm your unborn baby. Women who are able to become pregnant and men who take Doxorubicin hydrochloride should use effective birth control (contraception) during treatment and for 6 months after treatment. Talk to your doctor about birth control methods. If you or your partner becomes pregnant, tell your doctor right away.
· are breastfeeding or plan to breast feed. Doxorubicin hydrochloride can pass into your breast milk and harm your baby. You and your doctor should decide if you will receive Doxorubicin hydrochloride or breastfeed. You should not do both.
Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Doxorubicin hydrochloride can interact with other medicines. Do not start any new medicine before you talk with the doctor that prescribed Doxorubicin hydrochloride.
Know the medicines you take. Keep a list to show your doctor and pharmacist each time you get a new medicine.
How will I receive Doxorubicin hydrochloride injection?
· Doxorubicin hydrochloride will be given to you into your vein.
What are the possible side effects of Doxorubicin hydrochloride injection?
Doxorubicin hydrochloridemay cause serious side effects, including:
· See “What is the most important information I should know about Doxorubicin hydrochloride injection?”
Doxorubicin hydrochloride may cause lower sperm counts and sperm problems in men.
This could affect your ability to father a child and cause birth defects. Talk to your healthcare provider if this is a concern for you. Talk to your healthcare provider about family planning options that might be right for you.
Irreversible amenorrhea or early menopause. Your periods (menstrual cycle) may completely stop when you receive Doxorubicin hydrochloride. Your periods may or may not return following treatment. Talk to your healthcare provider about family planning options that might be right for you.
The most common side effects of Doxorubicin hydrochloride include:
· Total hair loss (alopecia). Your hair may re-grow after your treatment.
· nausea
· vomiting
Other side effects:
· Red colored urine. You may have red colored urine for 1 to 2 days after your infusion of Doxorubicin hydrochloride. This is normal. Tell your doctor if it does not stop in a few days, or if you see what looks like blood or blood clots in your urine.
· Darkening of your nails or separation of your nails from your nail bed.
· Easy bruising or bleeding.
· Call your doctor if you have severe symptoms that prevent you from eating or drinking, such as:
o nausea
o vomiting
o diarrhea
o mouth sores
Tell your doctor or nurse if you have any side effect that bothers you or that does not go away.
These are not all of the possible side effects of Doxorubicin hydrochloride.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
General information about the safe and effective use of Doxorubicin hydrochloride injection.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet.
You can ask your pharmacist or doctor for information about Doxorubicin hydrochloride that is written for health professionals.
For more information, call Actavis at 1-800-432-8534.
What are the ingredients of Doxorubicin hydrochloride injection, USP?
Active ingredient: Doxorubicin hydrochloride, USP
Inactive ingredients: 0.9% sodium chloride, USP, water for injection, USP, and hydrochloric acid, USP.
This Patient Information has been approved by the U.S. Food and Drug Administration.
Made in Italy
Distributed
by:
Actavis Pharma, Inc.
Parsippany, NJ 07054 USA
Revised – March 2015
PACKAGE LABEL.PRINCIPAL DISPLAY PANEL
Doxorubicin HYDROCHLORIDE Doxorubicin hydrochloride injection, solution |
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Labeler - Actavis Pharma, Inc. (119723554) |
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Establishment |
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Name |
Address |
ID/FEI |
Operations |
Actavis Italy Spa A Socio Unico |
857007913 |
ANALYSIS(45963-733), LABEL(45963-733), MANUFACTURE(45963-733), PACK(45963-733) |
Revised: 03/2015
Actavis Pharma, Inc.