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Air contamination, syringe contamination, and cross-contamination when using an automatic compounding device for sensitizing drugs 使用致敏药物的自动配药装置时的空气污染、注射器污染和交叉污染
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2023-0002
Paul Sessink, Gerardo Cajaraville, Maria José Tamés, Ana Riestra, Andrea Alcorta, Naiara Telleria, Jaione Grisaleña
Abstract Objectives To measure cross-contamination between batches of different sensitizing drugs, contamination on the outside of compounded syringes, and drug concentrations in environmental air when using an automated compounding device. Methods One batch of piperacillin/tazobactam syringes followed by one batch of meropenem syringes were compounded daily for three consecutive days by one operator. For each batch two hundred syringes were filled. During each batch, three stationary air samples (two inside and one outside the compounding device), and one personal air sample were collected. At the end of the compounding process, the outside of 40 syringes was tested for drug contamination by wipe sampling. The drug compounded was checked for cross-contamination with the other drug compounded in the previous batch. Liquid chromatography tandem mass spectrometry was used for the analysis of piperacillin and meropenem. Results Piperacillin was measured in environmental air inside the device (8.1–335 ng/m 3 ), outside the device (5.2–21 ng/m 3 ), and in the personal air samples of the operator (15 and 155 ng/m 3 ) during two batches. Meropenem was not detected during meropenem compounding. Piperacillin was found in the air samples of the operator during two batches (12 and 15 ng/m 3 ). Meropenem was not detected in any of the air samples. The drug compounded was found on the outside of the syringes for all batches (piperacillin: 1.35–30 ng/cm 2 ; meropenem: 0.07–0.65 ng/cm 2 ). Piperacillin was detected on the syringes in all meropenen batches (0.56–11 ng/cm 2 ), and meropenen in two piperacillin batches (0.07 and 0.46 ng/cm 2 ). The drug solutions show no cross-contamination with the other drug for any of the batches. Conclusions Cross-contamination was not found and the drug concentrations in environmental air were below the Occupational Exposure Limit of 0.1 mg/m 3 . The automatic compounding device meets the criteria for a safe compounding of sensitizing drugs for patient and operator.
摘要目的测定不同致敏药物批次间的交叉污染情况、复合注射器外部的污染情况以及使用自动配药装置时环境空气中的药物浓度。方法由1名操作人员每日配药1批哌拉西林/他唑巴坦,随后配药1批美罗培南,连续3 d。每批装200支注射器。每批采集固定空气样品3份(2份在配药装置内,1份在配药装置外),1份个人空气样品。在配制过程结束时,通过擦拭取样对40支注射器的外部进行药物污染检测。检查该配药是否与前一批配药的另一种配药交叉污染。采用液相色谱串联质谱法对哌拉西林和美罗培南进行分析。结果检测了两批设备内环境空气(8.1 ~ 335 ng/m 3)、设备外环境空气(5.2 ~ 21 ng/m 3)和操作人员个人空气样品(15和155 ng/m 3)中哌拉西林的含量。复方美罗培南未检出美罗培南。在两个批次(12和15 ng/ m3)的操作人员空气样本中发现了哌拉西林。空气样本中没有检测到美罗培南。在所有批次的注射器外均发现复方药物(哌拉西林:1.35-30 ng/ cm2;美罗培南:0.07-0.65 ng/ cm2)。美罗培林所有批次(0.56 ~ 11 ng/ cm2)的注射器中均检测到哌拉西林,两批次(0.07和0.46 ng/ cm2)的注射器中均检测到哌拉西林。任何批次的药物溶液均未显示与其他药物交叉污染。结论未发现交叉污染,环境空气中药物浓度均低于0.1 mg/ m3的职业暴露限值。该自动配药装置满足对患者和操作人员安全配药的标准。
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引用次数: 0
Physicochemical stability of durvalumab (Imfinzi®) concentrate for solution in original vials after first opening 杜伐单抗(Imfinzi®)浓缩液首次开瓶后的物理化学稳定性
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2023-0008
Jannik Almasi, J. Thiesen, I. Krämer
Abstract Objectives Durvalumab (Imfinzi®), a PD-L1 monoclonal antibody (mAb) medication is available as concentrate (50 mg/mL) for solution for infusion. The summary of product characteristics provides information about the physicochemical stability of ready-to-administer durvalumab preparations (vehicle solution 0.9 % NaCl, G5%), but not about the concentrate after first opening. The objective of this study was to determine the physicochemical stability of durvalumab concentrate for solution after first opening over a period of 28 days. Methods Imfinzi® vials were punctured and stored refrigerated (2–8 °C) or at room temperature (20–25 °C) light protected. At predefined time points (day 0, 7, 14, 21, 28) the physicochemical stability of the concentrated solution was determined by ion-exchange/size-exclusion high-performance liquid chromatography (IE-/SE-HPLC) with photodiode array detection and pH measurement. Vials were inspected with regard to changes of color, clarity, and visible particles at any time point. Results Regardless of the storage temperature, durvalumab 50 mg/mL solutions remained physiochemically stable for 28 days in punctured vials. The concentrations of durvalumab monomer remained unchanged and no secondary peaks (fragments, aggregates) were observed in any of the SE-HPLC chromatograms. The IE-HPLC test results showed no substantial changes of the peak areas of the main peak and of the acidic and basic charge variants during the whole storage period. Appearance and pH of the test solutions remained unchanged until the end of the study. Conclusions Regardless of storage conditions none of the analytical methods indicated physicochemical instability of the intact durvalumab monomer over the 28 days of the study. To avoid microbiological instability storage under refrigeration is recommended.
目的杜伐单抗(Imfinzi®)是一种PD-L1单克隆抗体(mAb)药物,可作为浓缩液(50 mg/mL)用于输液。产品特性总结提供了准备给药的杜伐单抗制剂(载体溶液0.9 % NaCl, G5%)的物理化学稳定性信息,但不提供首次打开后的浓缩物的信息。本研究的目的是确定杜伐单抗浓缩液首次打开后28天的物理化学稳定性。方法穿刺Imfinzi®小瓶,冷藏(2-8 °C)或室温(20-25 °C)光照保护。在预定的时间点(第0、7、14、21、28天),通过离子交换/尺寸排除高效液相色谱(IE-/SE-HPLC)与光电二极管阵列检测和pH测量来确定浓缩溶液的物理化学稳定性。在任何时间点检查小瓶的颜色、清晰度和可见颗粒的变化。结果无论储存温度如何,durvalumab 50 mg/mL溶液在穿刺的小瓶中保持28天的物理化学稳定。杜伐单抗单体的浓度保持不变,在任何SE-HPLC图谱中都没有观察到二次峰(片段,聚集体)。IE-HPLC检测结果显示,在整个贮藏期内,主峰的峰面积以及酸碱性电荷变异的峰面积变化不大。测试溶液的外观和pH值保持不变,直到研究结束。结论:无论储存条件如何,没有一种分析方法表明完整的durvalumab单体在28天的研究中存在物理化学不稳定性。为避免微生物不稳定,建议冷藏储存。
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引用次数: 1
Physicochemical stability of urea-containing Mitomycin C preparations in glass vials (1.0 mg/mL) and plastic syringes (2.0, 0.4, 0.2 mg/mL) 含尿素丝裂霉素C在玻璃瓶(1.0 mg/mL)和塑料注射器(2.0、0.4、0.2 mg/mL)中的物理化学稳定性
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2023-0003
Jannik Almasi, F. Erdnüss, J. Thiesen, I. Krämer
Abstract Objectives To date, there is only one study investigating the physicochemical stability of diluted mitomycin (MMC) solutions prepared by using urea-containing Mitomycin medac as starting material. The aim of the study was to test the solubility of the new MMC formulation with regard to highly concentrated solutions and determine the physicochemical stability of clinically relevant MMC concentrations stored under different conditions in various primary containers. Methods Mitomycin medac was dissolved with water for injection to achieve MMC concentrations of 1 mg/mL and 2 mg/mL. Additionally, 1 mg/mL MMC solutions were further diluted with normal saline to obtain 0.2 mg/mL and 0.4 mg/mL solutions. According to clinical practice, 1 mg/mL solutions were stored in original glass vials and 2 mg/mL, 0.2 mg/mL, and 0.4 mg/mL solutions were stored in plastic syringes. All solutions were stored either refrigerated or at 20–25 °C light protected for up to 8 days. Samples were taken immediately after dissolution or dilution and at predetermined time points. Physicochemical stability was determined by reversed-phase high-performance liquid chromatography (RP-HPLC) with photodiode array detection, pH and osmolality measurement, and inspection for visible particles or color changes. Results 2 mg/mL MMC solutions were achieved at room temperature and physicochemical stability was given for 8 h, independent of the storage temperature. Between 8 and 12 h of storage, crystallization occurred in almost all samples. In 1 mg/mL MMC test solutions, stored under refrigeration, crystallization occurred in 2 of 3 vials after 2 and 4 days of storage, respectively. In the vial without signs of crystallization, MMC concentration amounted to >90 % of the initial measured concentration after 6 days. When stored at room temperature, crystallization was not seen, but MMC concentration declined below the 90 % stability limit at about 15 h of storage. In 0.2 mg/mL and 0.4 mg/mL MMC test solutions crystallization was not observed at all. When stored refrigerated, preparations were physicochemically stable for 5 and 3 days, respectively. When stored light protected at room temperature, physicochemical stability was given for at least 6 h, irrespective of the MMC concentration. Conclusions Mitomycin medac enables the preparation of 2 mg/mL MMC solutions without additional heating and shaking due to the hydrotropic activity of urea contained as excipient. However, in 2 mg/mL MMC solutions crystallization is the most dominant stability limiting factor, especially under refrigerated storage. Hence, storage at room temperature is recommended for this concentration. In 1 mg/mL MMC solutions crystallization is less prominent. To avoid increased chemical degradation at room temperature, refrigerated storage is recommended. Both, 2 mg/mL and 1 mg/mL MMC solutions should always be checked for the formation of crystals before use. In diluted 0.2 mg/mL and 0.4 mg/mL MMC solutions, cry
摘要目的以含尿素丝裂霉素为原料制备的丝裂霉素(mitomycin medac)稀释溶液的理化稳定性研究目前仅有一项。本研究的目的是测试新的MMC配方在高浓度溶液中的溶解度,并确定临床相关的MMC浓度在不同条件下储存在不同的原始容器中的物理化学稳定性。方法将丝裂霉素与注射用水溶解,得到MMC浓度分别为1 mg/mL和2 mg/mL。另外,1 mg/mL的MMC溶液再用生理盐水稀释得到0.2 mg/mL和0.4 mg/mL溶液。根据临床实践,1 mg/mL溶液保存在原玻璃瓶中,2 mg/mL、0.2 mg/mL和0.4 mg/mL溶液保存在塑料注射器中。所有溶液冷藏或在20-25 °C光保护下保存8天。溶解或稀释后立即在预定时间点取样。理化稳定性通过反相高效液相色谱法(RP-HPLC)与光电二极管阵列检测,pH和渗透压测量,以及检查可见颗粒或颜色变化来确定。结果MMC溶液在室温下可达2 mg/mL, 8 h的物理化学稳定性与储存温度无关。在8 ~ 12 h的储存期间,几乎所有样品都发生了结晶。在1 mg/mL MMC测试溶液中,冷藏保存2天和4 天后,3个小瓶中有2个发生结晶。在没有结晶迹象的小瓶中,6天后MMC浓度达到初始测量浓度的>90 %。室温下保存时,未见结晶,但在保存约15 h时,MMC浓度降至90 %的稳定性极限以下。在0.2 mg/mL和0.4 mg/mL的MMC溶液中未观察到结晶现象。冷藏后,制剂的物理化学稳定性分别为5天和3天。当在室温下光保护下储存时,无论MMC浓度如何,物理化学稳定性至少为6 h。结论丝裂霉素可制备2 mg/mL的MMC溶液,由于尿素具有赋形剂的亲水活性,无需额外加热和摇动。然而,在2 mg/mL MMC溶液中,结晶是最主要的稳定性限制因素,特别是在冷藏条件下。因此,建议在室温下储存该浓度。在1 mg/mL MMC溶液中结晶不明显。为了避免在室温下增加化学降解,建议冷藏储存。2 mg/mL和1 mg/mL MMC溶液在使用前应始终检查结晶体的形成。在稀释0.2 mg/mL和0.4 mg/mL的MMC溶液中,结晶不存在问题,冷藏将物理化学稳定性分别延长至最多5天和3天。
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引用次数: 0
Use of a liquid chromatography-tandem mass spectrometry method to assess the concentration of epinephrine, norepinephrine, and phenylephrine stored in plastic syringes 使用液相色谱-串联质谱法评估塑料注射器中储存的肾上腺素、去甲肾上腺素和苯肾上腺素的浓度
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2022-0010
Alejandro M. Cohen, Luke K Wiseman, Ahmed Al Faraj, P. Andreou, Richard Hall, Victor M. Neira
Abstract Objectives There are concerns about the potency of epinephrine (EPI), norepinephrine (NE), and phenylephrine (PE) stored in syringes for later infusions in clinical care. The objective of our study was to optimize a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method to determine the concentrations EPI, NE, and PE dissolved in normal saline and stored in 50 mL 3-part Becton Dickinson syringes. Methods Medications were diluted in normal saline to 80 μg/mL for EPI and NE, and 100 μg/mL for PE. The solutions were stored in syringes for 0 (fresh), 3, and 7 days in a medical refrigerator. United States Pharmacopeia grade EPI, NE, and PE and their deuterium-labeled analogs were used as calibration standards. Stored samples and standards were diluted and analyzed by LC-MS/MS operated in selected reaction monitoring mode. Results The calculated limit of quantification for EPI, NE and PE were well below the concentrations used in clinical practice. The coefficient of variation remained below 12 % for all samples. The standard linear calibration regressions for EPI, NE, and PE had r 2 values of between 0.96 and 0.98 (p < 0.001). EPI and NE stored in the refrigerator remained within 10 % of the of their initial concentrations at all time points. The concentration of PE in syringe decreased by 19.85 % at 3 days, with no further decrease at 7 days, compared to fresh PE. Conclusions The sample preparation steps and optimized LC-MS/MS method allowed simple and reliable measurements of EPI, NE, and PE.
【摘要】目的在临床护理中,对储存在注射器中的肾上腺素(EPI)、去甲肾上腺素(NE)和苯肾上腺素(PE)的效价存在担忧。本研究的目的是优化液相色谱-串联质谱(LC-MS/MS)测定生理盐水中EPI、NE和PE浓度的方法,并将其保存在50 mL 3组分Becton Dickinson注射器中。方法EPI和NE用生理盐水稀释至80 μg/mL, PE用生理盐水稀释至100 μg/mL。溶液在注射器中保存0(新鲜)、3和7天,并在医用冰箱中保存。使用美国药典级EPI、NE和PE及其氘标记类似物作为校准标准。在选定的反应监测模式下,用LC-MS/MS对储存的样品和标准品进行稀释和分析。结果EPI、NE、PE的定量计算限均低于临床应用浓度。所有样本的变异系数保持在12 %以下。EPI、NE和PE的标准线性校正回归r2值在0.96 ~ 0.98之间(p < 0.001)。储存在冰箱中的EPI和NE在所有时间点的初始浓度都保持在10 %以内。与新鲜PE相比,第3天注射器内PE的浓度下降了19.85 %,第7天没有进一步下降。结论样品制备步骤和优化后的LC-MS/MS方法可简便、可靠地测定EPI、NE和PE。
{"title":"Use of a liquid chromatography-tandem mass spectrometry method to assess the concentration of epinephrine, norepinephrine, and phenylephrine stored in plastic syringes","authors":"Alejandro M. Cohen, Luke K Wiseman, Ahmed Al Faraj, P. Andreou, Richard Hall, Victor M. Neira","doi":"10.1515/pthp-2022-0010","DOIUrl":"https://doi.org/10.1515/pthp-2022-0010","url":null,"abstract":"Abstract Objectives There are concerns about the potency of epinephrine (EPI), norepinephrine (NE), and phenylephrine (PE) stored in syringes for later infusions in clinical care. The objective of our study was to optimize a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method to determine the concentrations EPI, NE, and PE dissolved in normal saline and stored in 50 mL 3-part Becton Dickinson syringes. Methods Medications were diluted in normal saline to 80 μg/mL for EPI and NE, and 100 μg/mL for PE. The solutions were stored in syringes for 0 (fresh), 3, and 7 days in a medical refrigerator. United States Pharmacopeia grade EPI, NE, and PE and their deuterium-labeled analogs were used as calibration standards. Stored samples and standards were diluted and analyzed by LC-MS/MS operated in selected reaction monitoring mode. Results The calculated limit of quantification for EPI, NE and PE were well below the concentrations used in clinical practice. The coefficient of variation remained below 12 % for all samples. The standard linear calibration regressions for EPI, NE, and PE had r 2 values of between 0.96 and 0.98 (p < 0.001). EPI and NE stored in the refrigerator remained within 10 % of the of their initial concentrations at all time points. The concentration of PE in syringe decreased by 19.85 % at 3 days, with no further decrease at 7 days, compared to fresh PE. Conclusions The sample preparation steps and optimized LC-MS/MS method allowed simple and reliable measurements of EPI, NE, and PE.","PeriodicalId":19802,"journal":{"name":"Pharmaceutical Technology in Hospital Pharmacy","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85782954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An exploratory study of a simplified approach to evaluate drug solubility in milk related vehicles 一种评估药物在牛奶相关载体中溶解度的简化方法的探索性研究
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2023-0006
Sean Li, Justin Gabriel, Marilyn Martinez, David Longstaff, Martin Coffey, Fang Zhao
Abstract Objectives Milk related materials are frequently used as a vehicle for drug product administration. Therefore, drug solubility information in milk related vehicles is desirable for prediction of how they may influence in vivo drug release and bioavailability. However, there are very limited data published on this topic. This study explored a practical method to address the key challenges associated with solubility assessment in milk, including the sample equilibration time and cleanup procedures. Methods Amitriptyline, acetaminophen, dexamethasone, nifedipine, piroxicam, and prednisolone were selected as model drugs to represent a wide range of physicochemical properties. Their solubilities were determined at room temperature in pH 6.8 phosphate buffer, skim milk, whole milk, reconstituted milk powder, and unprocessed raw milk. Results The overall results confirmed that milk greatly improves the solubility of poorly water-soluble drugs. However, the extent of improvement and mechanism of solubilization appeared unique for each drug, highlighting the importance of evaluating milk solubility experimentally. Conclusions The method used in this exploratory study can be applied in future investigations of a broader range of drugs and milk-related vehicles.
摘要目的乳相关物质经常被用作药物给药的载体。因此,药物在牛奶相关载体中的溶解度信息对于预测它们如何影响体内药物释放和生物利用度是必要的。然而,关于这一主题发表的数据非常有限。本研究探索了一种实用的方法来解决与牛奶中溶解度评估相关的关键挑战,包括样品平衡时间和清理程序。方法选择阿米替林、对乙酰氨基酚、地塞米松、硝苯地平、吡罗昔康、强的松龙等具有广泛理化性质的模型药物。在室温下测定了它们在pH为6.8的磷酸盐缓冲液、脱脂牛奶、全脂牛奶、重组奶粉和未加工原料奶中的溶解度。结果总体结果证实,乳汁能显著提高难水溶性药物的溶解度。然而,每种药物的改善程度和增溶机制似乎都是独特的,这突出了实验评估牛奶溶解度的重要性。结论本探索性研究方法可应用于今后更广泛的药物及乳相关载体的研究。
{"title":"An exploratory study of a simplified approach to evaluate drug solubility in milk related vehicles","authors":"Sean Li, Justin Gabriel, Marilyn Martinez, David Longstaff, Martin Coffey, Fang Zhao","doi":"10.1515/pthp-2023-0006","DOIUrl":"https://doi.org/10.1515/pthp-2023-0006","url":null,"abstract":"Abstract Objectives Milk related materials are frequently used as a vehicle for drug product administration. Therefore, drug solubility information in milk related vehicles is desirable for prediction of how they may influence in vivo drug release and bioavailability. However, there are very limited data published on this topic. This study explored a practical method to address the key challenges associated with solubility assessment in milk, including the sample equilibration time and cleanup procedures. Methods Amitriptyline, acetaminophen, dexamethasone, nifedipine, piroxicam, and prednisolone were selected as model drugs to represent a wide range of physicochemical properties. Their solubilities were determined at room temperature in pH 6.8 phosphate buffer, skim milk, whole milk, reconstituted milk powder, and unprocessed raw milk. Results The overall results confirmed that milk greatly improves the solubility of poorly water-soluble drugs. However, the extent of improvement and mechanism of solubilization appeared unique for each drug, highlighting the importance of evaluating milk solubility experimentally. Conclusions The method used in this exploratory study can be applied in future investigations of a broader range of drugs and milk-related vehicles.","PeriodicalId":19802,"journal":{"name":"Pharmaceutical Technology in Hospital Pharmacy","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135550180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physicochemical stability study of a biosimilar of Bevacizumab in vials and after dilution in 0.9% NaCl in polyolefin intravenous bags 贝伐单抗生物仿制药在聚烯烃静脉注射袋中瓶用和0.9% NaCl稀释后的理化稳定性研究
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2022-0007
V. Vieillard, M. Paul
Abstract Objectives Bevacizumab was first marketed in 2005. Since then, its stability has been extensively studied. The arrival of numerous biosimilars on the market has called into question these stabilities and organisation within reconstitution units. To study the stability of the Bevacizumab biosimilar Alymsys® marketed by Zentiva laboratory in ready-to-use vials at a concentration of 25 mg/mL and following dilution to obtain final concentrations of 1.4 and 16.5 mg/mL and storage in polyolefin IV bags at 4 °C. In parallel, the impact of a storage temperature excursion at 25 °C for three days and storage of the vial before opening at room temperature (25 ± 2 °C) and after opening at 4 °C was studied. Methods The vials were supplied by Zentiva laboratory. The vials (three batches) were diluted to the final concentrations of 1.4 or 16.5 mg/mL in 100 mL IV bags of NaCl. The IV bags and vials were stored at 4 °C and at room temperature throughout the duration of the study. The physico-chemical stability was tested using the following methods: turbidimetry, UV spectrometry and fluorescence, dynamic light scattering, ion exchange and steric exclusion chromatography, pH, osmolality and density. Results Out of all the parameters studied, for the two concentrations and standard storage conditions (90 days at +4 °C) or after a three-day temperature excursion at +25 °C, no modification was detected for the three batches tested with respect to physical and chemical stability. Hence, no signs of physical instability were observed, with, in particular, the absence of formation of submicron or micron sized aggregates and particles. The steric exclusion chromatography profiles did not demonstrate any oligomer formation or molecular structure rupture. Ion exchange chromatography did not demonstrate any significant modification in the distribution of charge variants. Derivative UV and fluorescence spectral analysis did not demonstrate any modification. The thermal denaturation curves were identical, suggesting the absence of thermodynamic destabilisation. Identical results were observed for the vials stored for 60 days at 4 °C after opening. Finally, only ion exchange chromatography demonstrated a slight change after 45 days of storage at 25 °C for vials before opening. Conclusions After dilution in sterile conditions with 0.9% NaCl in polyolefin IV bags, at the usual concentrations of 1.4 and 16.5 mg/mL, the Bevacizumab biosimilar Alymsys® is stable for at least three months at 4 °C protected from light and after a three-day temperature excursion at +25 °C. The same conclusions can be reached for the 25 mg/mL vials stored for 60 days at +4 °C after opening. However, the stability of vials stored at 25 °C before opening is no longer guaranteed beyond 15 days.
贝伐单抗于2005年首次上市。从那时起,它的稳定性得到了广泛的研究。市场上大量生物仿制药的出现对这些稳定性和重组单位内的组织提出了质疑。研究Zentiva实验室销售的贝伐单抗生物仿制药Alymsys®的稳定性,浓度为25mg /mL,稀释后得到终浓度为1.4和16.5 mg/mL,并在4°C下保存在聚烯烃IV袋中。同时,研究了在25°C下保存三天的温度偏移以及在室温(25±2°C)下打开前和在4°C下打开后的小瓶保存的影响。方法由Zentiva实验室提供。将三个批次的小瓶分别稀释至终浓度为1.4或16.5 mg/mL的100ml IV袋NaCl中。在整个研究期间,IV袋和小瓶在4°C和室温下保存。采用浊度法、紫外光谱法和荧光法、动态光散射法、离子交换和位阻色谱法、pH值、渗透压和密度等方法对其进行了理化稳定性测试。结果在两种浓度和标准储存条件下(+4°C条件下90天)或在+25°C条件下温度漂移3天后,所测试的三批样品在物理和化学稳定性方面均未发现变化。因此,没有观察到物理不稳定的迹象,特别是没有形成亚微米或微米大小的聚集体和颗粒。位阻色谱图没有显示任何低聚物的形成或分子结构的破裂。离子交换色谱法在电荷变体的分布上没有显示出任何显著的变化。衍生物紫外光谱和荧光光谱分析未发现任何修饰。热变性曲线是相同的,表明没有热力学不稳定。打开后在4°C下保存60天的小瓶也观察到相同的结果。最后,只有离子交换色谱法显示,在开瓶前在25°C下储存45天后有轻微的变化。结论:在聚烯烃IV袋中,用0.9% NaCl在无菌条件下稀释,通常浓度为1.4和16.5 mg/mL,贝伐单抗生物仿制药Alymsys®在4°C避光条件下稳定至少3个月,并在+25°C下放置3天。对于开瓶后+4℃保存60天的25mg /mL小瓶,也可得出相同的结论。然而,开瓶前在25°C下保存的小瓶的稳定性不再保证超过15天。
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引用次数: 0
Physicochemical stability of Cabazitaxel Zentiva® solution in vials after opening and diluted solutions in three infusion bags 卡巴他赛Zentiva®溶液在开瓶后的物理化学稳定性和稀释溶液在三个输液袋中的稳定性
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2022-0009
E. D’huart, Matthieu Sacrez, J. Vigneron, N. Sobalak, B. Demoré
Abstract Objectives To the best of our knowledge, few studies have been published on the stability of cabazitaxel in infusion bags. Stabilis® database has selected a study demonstrating the stability of this molecule at 0.15 mg/mL for 28 days at 4 °C and 25 °C in polyolefin bags. The aim of this work was to study the physicochemical stability of Cabazitaxel Zentiva® solutions in vials after “opening” with a vented ChemoClave® Spike, at 25 °C, protected from light and in solutions diluted at 0.1 and 0.26 mg/mL in 0.9 % sodium chloride (0.9 % NaCl) or dextrose 5 % (D5W) in 3 types of infusion bags (Easyflex® and Viaflo® at 25 °C, Freeflex® between 2 and 8 °C, protected from light). Methods The chemical stability was analyzed after preparation and then after 14 and 28 days of storage by high performance liquid chromatography (HPLC), coupled to a diode array detector, at the analysis wavelength of 232 nm. The method has been validated according to ICH Q2 (R1) standards. For the study in infusion bags, three preparations were realised for each condition. At each time of analysis, for each bag, a sample was prepared and analyzed by HPLC. Two vials after “openings” were kept at 25 °C and three samples per vial were prepared and analyzed at the three analysis times (D0, D14 and D28). Physical stability was assessed by visual examination (change in colour, appearance of precipitate, gas formation). The pH of the solutions prepared in infusion bags was evaluated at each analysis time. Results Cabazitaxel solutions at 0.1 and 0.26 mg/mL diluted in 0.9 % NaCl or D5W in Easyflex® (polyolefin), Viaflo® (multilayer high density polyethylene, polyamide, polypropylene) bags retained more than 95 % of the concentration after 28 days at 25 °C. In the Freeflex® bag (polypropylene multilayers), cabazitaxel solutions at 0.1 and 0.26 mg/mL diluted in 0.9 % NaCl or D5W retained more than 95 % of the initial concentration between 2 and 8 °C for 28 days. In vials with a Spike, cabazitaxel solutions at 20 mg/mL retained more than 95 % of the initial concentration for 28 days at 25 °C. For all the conditions studied, no visual modification was observed. The pH of solutions in bags were constant during the stability study. Conclusions Cabazitaxel Zentiva® diluted at 0.1 and 0.26 mg/mL in 0.9 % NaCl or D5W was stable for 28 days at 25 °C and between 2 and 8 °C. These stability data allow preparations to be made in advance. The remainder of the cabazitaxel vial fitted with a Spike was stable for 28 days at 25 °C, allowing the remainder of the vial to be used over several days.
【摘要】目的据我们所知,关于卡巴他赛输液袋稳定性的研究很少。Stabilis®数据库选择了一项研究,证明该分子在0.15 mg/mL下,在4 °C和25 °C的聚烯烃袋中保持28天的稳定性。本研究的目的是研究卡巴他赛Zentiva (Cabazitaxel Zentiva)溶液在25 °C、避光条件下,用ChemoClave®通风Spike“打开”后,在3种输液袋(Easyflex®和Viaflo®在25 °C、Freeflex®在2至8 °C、避光条件下)中,以0.1和0.26 mg/mL稀释的0.9 %氯化钠(0.9 % NaCl)或葡萄糖5 % (D5W)溶液中,在小瓶中使用卡巴他赛Zentiva (Cabazitaxel Zentiva)溶液的物理化学稳定性。方法制备后、贮存14 d和28 d后,采用高效液相色谱法(HPLC)对其化学稳定性进行分析,分析波长为232 nm。方法按照ICH Q2 (R1)标准进行验证。在输液袋的研究中,每种情况下实现了三种制剂。每次分析时,每袋取一个样品,用高效液相色谱法分析。“开孔”后的两个小瓶保存在25 °C,每个小瓶制备三个样品,并在三个分析时间(D0, D14和D28)进行分析。通过目视检查(颜色变化、沉淀物外观、气体形成)评估物理稳定性。在每个分析时间对输注袋中配制的溶液的pH值进行评估。结果0.1和0.26 mg/mL卡巴他赛溶液经0.9 % NaCl或D5W稀释后,在Easyflex®(聚烯烃)、Viaflo®(多层高密度聚乙烯、聚酰胺、聚丙烯)袋中,25 °C作用28天后,卡巴他赛浓度保持在95 %以上。在Freeflex®袋(聚丙烯多层)中,0.1和0.26 mg/mL的卡巴他赛溶液在0.9 % NaCl或D5W中稀释,在2至8 °C之间保持超过95 %的初始浓度28天。在有Spike的小瓶中,卡巴他赛溶液浓度为20 mg/mL,在25 °C下保存28天,保留了初始浓度的95% %以上。在所有研究条件下,没有观察到视觉改变。在稳定性研究中,袋内溶液的pH值保持恒定。结论Cabazitaxel Zentiva®在0.9 % NaCl或D5W中以0.1和0.26 mg/mL稀释,在25 °C和2 ~ 8 °C条件下稳定性为28 d。这些稳定性数据可以让我们提前做好准备。卡巴他赛小瓶的剩余部分在25 °C下稳定28天,允许小瓶的剩余部分在几天内使用。
{"title":"Physicochemical stability of Cabazitaxel Zentiva® solution in vials after opening and diluted solutions in three infusion bags","authors":"E. D’huart, Matthieu Sacrez, J. Vigneron, N. Sobalak, B. Demoré","doi":"10.1515/pthp-2022-0009","DOIUrl":"https://doi.org/10.1515/pthp-2022-0009","url":null,"abstract":"Abstract Objectives To the best of our knowledge, few studies have been published on the stability of cabazitaxel in infusion bags. Stabilis® database has selected a study demonstrating the stability of this molecule at 0.15 mg/mL for 28 days at 4 °C and 25 °C in polyolefin bags. The aim of this work was to study the physicochemical stability of Cabazitaxel Zentiva® solutions in vials after “opening” with a vented ChemoClave® Spike, at 25 °C, protected from light and in solutions diluted at 0.1 and 0.26 mg/mL in 0.9 % sodium chloride (0.9 % NaCl) or dextrose 5 % (D5W) in 3 types of infusion bags (Easyflex® and Viaflo® at 25 °C, Freeflex® between 2 and 8 °C, protected from light). Methods The chemical stability was analyzed after preparation and then after 14 and 28 days of storage by high performance liquid chromatography (HPLC), coupled to a diode array detector, at the analysis wavelength of 232 nm. The method has been validated according to ICH Q2 (R1) standards. For the study in infusion bags, three preparations were realised for each condition. At each time of analysis, for each bag, a sample was prepared and analyzed by HPLC. Two vials after “openings” were kept at 25 °C and three samples per vial were prepared and analyzed at the three analysis times (D0, D14 and D28). Physical stability was assessed by visual examination (change in colour, appearance of precipitate, gas formation). The pH of the solutions prepared in infusion bags was evaluated at each analysis time. Results Cabazitaxel solutions at 0.1 and 0.26 mg/mL diluted in 0.9 % NaCl or D5W in Easyflex® (polyolefin), Viaflo® (multilayer high density polyethylene, polyamide, polypropylene) bags retained more than 95 % of the concentration after 28 days at 25 °C. In the Freeflex® bag (polypropylene multilayers), cabazitaxel solutions at 0.1 and 0.26 mg/mL diluted in 0.9 % NaCl or D5W retained more than 95 % of the initial concentration between 2 and 8 °C for 28 days. In vials with a Spike, cabazitaxel solutions at 20 mg/mL retained more than 95 % of the initial concentration for 28 days at 25 °C. For all the conditions studied, no visual modification was observed. The pH of solutions in bags were constant during the stability study. Conclusions Cabazitaxel Zentiva® diluted at 0.1 and 0.26 mg/mL in 0.9 % NaCl or D5W was stable for 28 days at 25 °C and between 2 and 8 °C. These stability data allow preparations to be made in advance. The remainder of the cabazitaxel vial fitted with a Spike was stable for 28 days at 25 °C, allowing the remainder of the vial to be used over several days.","PeriodicalId":19802,"journal":{"name":"Pharmaceutical Technology in Hospital Pharmacy","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89216874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Semi-automatic COVID-19 vaccine preparation for upscaling of vaccination: a descriptive study 用于扩大疫苗接种规模的半自动COVID-19疫苗制备:一项描述性研究
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2023-0005
Denise J. van der Nat, A. Lindemans, Laurens C. van Rijn, E. Ruijgrok
Abstract Objectives Vaccines are used on a large scale for prevention of disease. Preparing vaccines for administration can be a time consuming process. To increase efficacy of vaccine administration, the Vaxtractor was designed in January 2021. With the Vaxtractor, the desired volume of vaccine is drawn up automatically in syringes from two vials of vaccine simultaneously. We examined the quality of COVID-19 vaccines prepared with the Vaxtractor. Methods Sterility tests and uniformity of dosage units tests were performed. For the sterility test, 22 syringes were filled with 0.5 mL Tryptic Soy Broth and these were incubated at 25 °C for seven days followed by seven days at 30 °C. For the dosage unit test, the difference between the filled and empty syringe was used to compute the volume of the injectable volume. A time analysis was performed on manually and semi-automatically prepared vaccines. Results The sterility tests showed no signs of growth of micro-organisms. After optimizing the Vaxtractor, none of the Comirnaty® vaccines deviated more than 10 % and none of the Spikevax® vaccines deviated more than 5 % compared to the mean mass of the injectable volume. The acceptance value for uniformity of dosage units of both vaccines was below 4 (requirement <15). Preparing vaccines with the Vaxtractor was faster compared to manually prepared vaccines. Conclusions The Vaxtractor can be used to safely prepare Spikevax® and Comirnaty® vaccines. Further studies should explore the applicability of the Vaxtractor for the preparation of other vaccines. If applicable, this will contribute to effective upscaling of vaccination programs.
摘要目的疫苗被广泛用于疾病预防。准备接种疫苗可能是一个耗时的过程。为了提高疫苗施用的效力,Vaxtractor于2021年1月设计。使用Vaxtractor,可同时从两瓶疫苗中自动抽取所需体积的疫苗。我们检测了用Vaxtractor制备的COVID-19疫苗的质量。方法进行无菌检查和剂量单位均匀性检查。无菌试验中,22支注射器中填充0.5 mL Tryptic Soy Broth,在25 °C下孵育7天,然后在30 °C下孵育7天。在剂量单位试验中,用填充和空注射器的差值计算可注射体积的体积。对手工和半自动制备的疫苗进行了时间分析。结果无菌检查未见微生物生长迹象。优化Vaxtractor后,与注射体积的平均质量相比,Comirnaty®疫苗的偏差均不超过10 %,Spikevax®疫苗的偏差均不超过5 %。两种疫苗的剂量单位均匀性接受值均低于4(要求<15)。与手工制备疫苗相比,使用Vaxtractor制备疫苗的速度更快。结论Vaxtractor可用于安全制备Spikevax®和Comirnaty®疫苗。进一步的研究应探讨Vaxtractor在制备其他疫苗中的适用性。如果适用,这将有助于有效扩大疫苗接种规划。
{"title":"Semi-automatic COVID-19 vaccine preparation for upscaling of vaccination: a descriptive study","authors":"Denise J. van der Nat, A. Lindemans, Laurens C. van Rijn, E. Ruijgrok","doi":"10.1515/pthp-2023-0005","DOIUrl":"https://doi.org/10.1515/pthp-2023-0005","url":null,"abstract":"Abstract Objectives Vaccines are used on a large scale for prevention of disease. Preparing vaccines for administration can be a time consuming process. To increase efficacy of vaccine administration, the Vaxtractor was designed in January 2021. With the Vaxtractor, the desired volume of vaccine is drawn up automatically in syringes from two vials of vaccine simultaneously. We examined the quality of COVID-19 vaccines prepared with the Vaxtractor. Methods Sterility tests and uniformity of dosage units tests were performed. For the sterility test, 22 syringes were filled with 0.5 mL Tryptic Soy Broth and these were incubated at 25 °C for seven days followed by seven days at 30 °C. For the dosage unit test, the difference between the filled and empty syringe was used to compute the volume of the injectable volume. A time analysis was performed on manually and semi-automatically prepared vaccines. Results The sterility tests showed no signs of growth of micro-organisms. After optimizing the Vaxtractor, none of the Comirnaty® vaccines deviated more than 10 % and none of the Spikevax® vaccines deviated more than 5 % compared to the mean mass of the injectable volume. The acceptance value for uniformity of dosage units of both vaccines was below 4 (requirement <15). Preparing vaccines with the Vaxtractor was faster compared to manually prepared vaccines. Conclusions The Vaxtractor can be used to safely prepare Spikevax® and Comirnaty® vaccines. Further studies should explore the applicability of the Vaxtractor for the preparation of other vaccines. If applicable, this will contribute to effective upscaling of vaccination programs.","PeriodicalId":19802,"journal":{"name":"Pharmaceutical Technology in Hospital Pharmacy","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77890626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long term physicochemical stability study of novel ophthalmic formulations combining ceftazidime and vancomycin with and without cyclodextrins 头孢他啶万古霉素配环糊精和不配环糊精眼科新制剂的长期理化稳定性研究
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2023-0007
Pauline Plaidy, Yassine Bouattour, Mouloud Yessaad, V. Sautou, P. Chennell
Abstract Objectives Ceftazidime (CZ) and Vancomycin (VM) are used to treat bacterial keratitis; however, their physicochemical incompatibility does not allow their co-administration. This incompatibility can be managed by buffering the mixture at an alkaline pH or by using cage molecules such as cyclodextrins (CD). The objective of this work was to compare the stability during 168 days of frozen storage of two formulations combining VA and CZ at a final concentration of 25 mg/mL: a CD-free formulation, at a pH=8.5 and a formulation with CD. Methods Beforehand, a stability indicating method (SIM) was developed. Samples were analysed after 1, 3 and 6 months, and after 12, 24 and 72 h after defrosting. Analyses performed were the following: visual inspection, chromaticity, turbidity, osmolality and pH measurements, particles counting, CZ and VM quantification, breakdown product research, and sterility assay. Results The developed SIM allowed the simultaneous quantification and breakdown products research of both VM and CZ, without interference of the breakdown products. The analyses showed the presence of a visually detectable precipitate and increased turbidity as early as the first day after thawing for CD-free formulation and on the third day for the formulation with CD. CZ concentrations systematically decreased after thawing for both formulations whilst VM concentrations remained stable. Osmolality and pH remained unchanged, and no microbial growth was detected throughout the study. Conclusions CD delayed precipitation by 48 h compared to the CD-free formulation but did not permanently eliminate it. Both formulations showed very limited physicochemical stability after thawing.
目的应用头孢他啶(CZ)联合万古霉素(VM)治疗细菌性角膜炎;然而,它们的物理化学不相容性不允许它们共同给药。这种不相容可以通过在碱性pH下缓冲混合物或使用笼状分子(如环糊精(CD))来处理。本研究的目的是比较VA和CZ两种组合制剂在终浓度为25 mg/mL时的稳定性:pH=8.5时的无CD制剂和pH=8.5时的含CD制剂。方法事先建立了稳定性指示法(SIM)。解冻后1、3、6个月,解冻后12、24、72 h对样品进行分析。所进行的分析如下:目视检查、色度、浊度、渗透压和pH测量、颗粒计数、CZ和VM定量、分解产物研究和无菌测定。结果所建立的SIM可以同时对VM和CZ进行定量和击穿产物研究,且不受击穿产物的干扰。分析显示,在解冻后的第一天,无CD配方和有CD配方的第三天,存在可肉眼检测到的沉淀物和浊度增加。两种配方的CZ浓度在解冻后系统地下降,而VM浓度保持稳定。渗透压和pH值保持不变,在整个研究过程中未检测到微生物生长。结论:与无CD制剂相比,CD延缓沉淀48 h,但不能永久消除沉淀。两种配方在解冻后表现出非常有限的物理化学稳定性。
{"title":"Long term physicochemical stability study of novel ophthalmic formulations combining ceftazidime and vancomycin with and without cyclodextrins","authors":"Pauline Plaidy, Yassine Bouattour, Mouloud Yessaad, V. Sautou, P. Chennell","doi":"10.1515/pthp-2023-0007","DOIUrl":"https://doi.org/10.1515/pthp-2023-0007","url":null,"abstract":"Abstract Objectives Ceftazidime (CZ) and Vancomycin (VM) are used to treat bacterial keratitis; however, their physicochemical incompatibility does not allow their co-administration. This incompatibility can be managed by buffering the mixture at an alkaline pH or by using cage molecules such as cyclodextrins (CD). The objective of this work was to compare the stability during 168 days of frozen storage of two formulations combining VA and CZ at a final concentration of 25 mg/mL: a CD-free formulation, at a pH=8.5 and a formulation with CD. Methods Beforehand, a stability indicating method (SIM) was developed. Samples were analysed after 1, 3 and 6 months, and after 12, 24 and 72 h after defrosting. Analyses performed were the following: visual inspection, chromaticity, turbidity, osmolality and pH measurements, particles counting, CZ and VM quantification, breakdown product research, and sterility assay. Results The developed SIM allowed the simultaneous quantification and breakdown products research of both VM and CZ, without interference of the breakdown products. The analyses showed the presence of a visually detectable precipitate and increased turbidity as early as the first day after thawing for CD-free formulation and on the third day for the formulation with CD. CZ concentrations systematically decreased after thawing for both formulations whilst VM concentrations remained stable. Osmolality and pH remained unchanged, and no microbial growth was detected throughout the study. Conclusions CD delayed precipitation by 48 h compared to the CD-free formulation but did not permanently eliminate it. Both formulations showed very limited physicochemical stability after thawing.","PeriodicalId":19802,"journal":{"name":"Pharmaceutical Technology in Hospital Pharmacy","volume":"2022 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87836243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of the relevance of osmolality measurement as a criterion for the stability of solutions 评价渗透压测量作为溶液稳定性标准的相关性
Pub Date : 2023-01-01 DOI: 10.1515/pthp-2022-0008
J. Vigneron, Matthieu Sacrez, E. D’huart, B. Demoré
Abstract Objectives The measurement of osmolality is used by many authors as an additional stability criterion of a drug in solution. In the current state of knowledge, no scientific publication correlates the osmolality values and the stability of a solution. To study the relevance of this analytical technique by measuring the osmolality of injectable solutions whose instability has been chemically demonstrated by high performance liquid chromatography (HPLC). Methods Selection of 13 drug preparations whose chemical instability has been demonstrated in the literature. Realization of three identical samples per selected preparation and measurements of the osmolality of the freshly prepared solutions, then, at various storage times until a chemical degradation of the molecule validated by HPLC of at least 10% and possibly up to 40%. Results Measurements of the osmolality were performed on five antibiotics (amoxicillin/clavulanic acid, cefepime, cefoxitine, meropenem and temocillin and cefoxitin) and five anticancer drugs (azacitidine, bendamustine, busulfan, fotemustine and oxaliplatin). Osmolality varied from −6.30 to 11.10% for antibiotics and from 0.57 to 2.04%. Conclusions Among the preparations tested, only two formulations have a variation in osmolality in accordance with the chemical degradation. For the other 11 formulas, the variations in osmolality values where not correlated with the degradation measured by HPLC. In view of these results, osmolality does not seem to be a criterion of choice for the study of drug stability. In the majority of the unstable solutions studied, the variation of osmolality measurements does not correlate with the loss of concentration and the appearance of degradation products.
摘要目的渗透压的测量被许多作者用作溶液中药物稳定性的附加标准。在目前的知识状态下,没有科学出版物将渗透压值与溶液的稳定性联系起来。用高效液相色谱法测定不稳定注射溶液的渗透压,研究该分析技术的相关性。方法选择13种经文献证实化学不稳定性的药物制剂。在不同的储存时间内,每个选定的制剂实现三个相同的样品,并测量新鲜制备的溶液的渗透压,直到通过HPLC验证分子的化学降解至少为10%,可能高达40%。结果测定了5种抗生素(阿莫西林/克拉维酸、头孢吡肟、头孢西汀、美罗培南、替莫西林和头孢西汀)和5种抗癌药物(阿扎胞苷、苯达莫司汀、布磺胺、替莫司汀和奥沙利铂)的渗透压。抗生素的渗透压为- 6.30 ~ 11.10%,0.57 ~ 2.04%。结论所测制剂中,只有两种制剂的渗透压随化学降解而变化。对于其他11个配方,渗透压值的变化与HPLC测量的降解无关。鉴于这些结果,渗透压似乎不是药物稳定性研究的选择标准。在研究的大多数不稳定溶液中,渗透压测量值的变化与浓度损失和降解产物的出现无关。
{"title":"Assessment of the relevance of osmolality measurement as a criterion for the stability of solutions","authors":"J. Vigneron, Matthieu Sacrez, E. D’huart, B. Demoré","doi":"10.1515/pthp-2022-0008","DOIUrl":"https://doi.org/10.1515/pthp-2022-0008","url":null,"abstract":"Abstract Objectives The measurement of osmolality is used by many authors as an additional stability criterion of a drug in solution. In the current state of knowledge, no scientific publication correlates the osmolality values and the stability of a solution. To study the relevance of this analytical technique by measuring the osmolality of injectable solutions whose instability has been chemically demonstrated by high performance liquid chromatography (HPLC). Methods Selection of 13 drug preparations whose chemical instability has been demonstrated in the literature. Realization of three identical samples per selected preparation and measurements of the osmolality of the freshly prepared solutions, then, at various storage times until a chemical degradation of the molecule validated by HPLC of at least 10% and possibly up to 40%. Results Measurements of the osmolality were performed on five antibiotics (amoxicillin/clavulanic acid, cefepime, cefoxitine, meropenem and temocillin and cefoxitin) and five anticancer drugs (azacitidine, bendamustine, busulfan, fotemustine and oxaliplatin). Osmolality varied from −6.30 to 11.10% for antibiotics and from 0.57 to 2.04%. Conclusions Among the preparations tested, only two formulations have a variation in osmolality in accordance with the chemical degradation. For the other 11 formulas, the variations in osmolality values where not correlated with the degradation measured by HPLC. In view of these results, osmolality does not seem to be a criterion of choice for the study of drug stability. In the majority of the unstable solutions studied, the variation of osmolality measurements does not correlate with the loss of concentration and the appearance of degradation products.","PeriodicalId":19802,"journal":{"name":"Pharmaceutical Technology in Hospital Pharmacy","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84064213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Pharmaceutical Technology in Hospital Pharmacy
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