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Han HH, Rui M, Yang Y, Cui JF, Huang XT, Zhang SJ, He SM, Wang DD, Chen X. The Impact of Spironolactone Co-administration on Cyclosporin Initial Dosage Optimization for Pediatric Refractory Nephrotic Syndrome. Curr Pharm Des 2024; 30:1419-1432. [PMID: 38639271 DOI: 10.2174/0113816128307797240416053723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/29/2024] [Indexed: 04/20/2024]
Abstract
OBJECTIVES Cyclosporin has been used for the treatment of pediatric refractory nephrotic syndrome (PRNS). However, the narrow therapeutic window and large pharmacokinetic variability make it difficult to individualize cyclosporin administration. Meanwhile, spironolactone has been reported to affect cyclosporin metabolism in PRNS patients. This study aims to explore the initial dosage optimization of cyclosporin in PRNS based on the impact of spironolactone co-administration. METHODS Monte Carlo simulation based on a previously established cyclosporin population pharmacokinetic model for PRNS was used to design cyclosporin dosing regimen. RESULTS In this study, the probability of drug concentration reaching the target and the convenience of times of administration were considered comprehensively. The optimal administration regimen in PRNS without spironolactone was 6, 5, 4 and 3 mg/kg cyclosporin split into two doses for the body weight of 5-8, 8-18, 18-46 and 46-70 kg, respectively. The optimal administration regimen in PRNS with spironolactone was 4, 3, 2 mg/kg cyclosporin split into two doses for body weight of 5-14, 14-65, and 65-70 kg, respectively. CONCLUSION The cyclosporin dosing regimen for PRNS based on Monte Carlo simulation was systematically developed and the initial dosage optimization of cyclosporin in PRNS was recommended for the first time.
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Affiliation(s)
- Huan-Huan Han
- Department of Pharmacy, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, Jiangsu 222000, China
| | - Min Rui
- Department of Orthopaedics, The Affiliated Jiangyin Clinical College of Xuzhou Medical University, Jiangyin, Jiangsu 214400, China
| | - Yang Yang
- Department of Pharmacy, The Affiliated Changzhou Children's Hospital of Nantong University, Changzhou, Jiangsu 213003, China
| | - Jia-Fang Cui
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Xue-Ting Huang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Shi-Jia Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Su-Mei He
- Department of Pharmacy, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, Jiangsu 215153, China
| | - Dong-Dong Wang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Xiao Chen
- School of Nursing, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
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Feng H, Wang X, Zheng W, Liu S, Jiang H, Lin Y, Qiu H, Chan TF, Huang M, Li Y, Mo X, Li J. Initial dosage optimisation of cyclosporine in Chinese paediatric patients undergoing allogeneic haematopoietic stem cell transplantation based on population pharmacokinetics: a retrospective study. BMJ Paediatr Open 2023; 7:e002003. [PMID: 37643815 PMCID: PMC10465907 DOI: 10.1136/bmjpo-2023-002003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 07/13/2023] [Indexed: 08/31/2023] Open
Abstract
OBJECTIVE Improved understanding of cyclosporine A (CsA) pharmacokinetics in children undergoing allogeneic haematopoietic stem cell transplantation (allo-HSCT) is crucial for effective prevention of acute graft-versus-host disease and medication safety. The aim of this study was to establish a population pharmacokinetic (Pop-PK) model that could be used for individualised therapy to paediatric patients undergoing allo-HSCT in China. DESIGN, SETTING AND PARTICIPANTS A retrospective analysis of 251 paediatric HSCT patients who received CsA intravenously in the early post transplantation period at Women and Children's Medical Center in Guangzhou was conducted. ANALYSIS MEASURES The model building dataset from 176 children was used to develop and analyse the CsA Pop-Pk model by using the nonlinear mixed effect model method. The basic information was collected by the electronic medical record system. Genotype was analysed by matrix-assisted time-of-flight mass spectrometry. The stability and predictability of the final model were verified internally, and a validation dataset of 75 children was used for external validation. Monte Carlo simulation is used to adjust and optimise the initial dose of CsA in paediatric allo-HSCT patients. RESULTS The typical values for clearance (CL) and volume of distribution ([Formula: see text]) were 14.47 L/hour and 2033.53 L, respectively. The body weight and haematocrit were identified as significant variables for V, while only body weight had an impact on CL. The simulation based on the final model suggests that paediatrics with HSCT required an appropriate intravenous dose of 5 mg/kg/day to reach the therapeutic trough concentration. CONCLUSIONS The CsA Pop-PK model established in this study can quantitatively describe the factors influencing pharmacokinetic parameters and precisely predict the intrinsic exposure to CsA in children. In addition, our dosage simulation results can provide evidence for the personalised medications TRIAL REGISTRATION NUMBER: ChiCTR2000040561.
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Affiliation(s)
- Huanwen Feng
- Institute of Clinical Pharmacology, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
| | - Xianggui Wang
- Institute of Clinical Pharmacology, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
| | - Wei Zheng
- Department of Pharmacy, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Sha Liu
- Department of Hematology/Oncology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Hua Jiang
- Department of Hematology/Oncology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yuxian Lin
- Department of Pharmacy, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Haojie Qiu
- Department of Pharmacy, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Teng Fong Chan
- Institute of Clinical Pharmacology, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
| | - Min Huang
- Institute of Clinical Pharmacology, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
| | - Yan Li
- Guangzhou Cord Blood Bank, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaolan Mo
- Department of Pharmacy, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jiali Li
- Institute of Clinical Pharmacology, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-Sen University School of Pharmaceutical Sciences, Guangzhou, Guangdong, China
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Wang DD, He SM, Yang Y, Mao YZ, Yin D, Zheng ZQ, Chen X. Effects of cimetidine on ciclosporin population pharmacokinetics and initial dose optimization in aplastic anemia patients. Eur J Pharm Sci 2022; 174:106183. [PMID: 35398292 DOI: 10.1016/j.ejps.2022.106183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 02/19/2022] [Accepted: 04/03/2022] [Indexed: 12/01/2022]
Abstract
The present study aimed to explore the effects of cimetidine on ciclosporin population pharmacokinetics and initial dose optimization in aplastic anemia patients. Aplastic anemia patients were used to establish a population pharmacokinetic model by the nonlinear mixed effect (NONMEM), and concentrations of ciclosporin were simulated by Monte Carlo method. With the same weight, the ciclosporin clearance rates were 0.387:1 in patients with or without cimetidine, respectively. In the measured ciclosporin concentrations, compared to aplastic anemia patients without cimetidine, ciclosporin concentrations were higher in patients with cimetidine (P < 0.01). Further research found that at the same body weight and same dose, ciclosporin concentrations in aplastic anemia patients with cimetidine were indeed higher than those in patients without cimetidine (P < 0.01). The initial recommended ciclosporin dose for patients without cimetidine were 7mg/kg splited into two doses for weight of 40-60kg, and 6mg/kg splited into two doses for weight of 60-100kg. The patients with cimetidine were recommended to take 3mg/kg ciclosporin splited into two doses for weight of 40-100kg. It was the first time to explore the effects of cimetidine on ciclosporin population pharmacokinetics and initial dose optimization in aplastic anemia patients. Patients coadministration of cimetidine, may need low ciclosporin dose.
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Affiliation(s)
- Dong-Dong Wang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy & School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China.
| | - Su-Mei He
- Department of Pharmacy, The Affiliated Suzhou Science & Technology Town Hospital of Nanjing Medical University, Suzhou 215153, China
| | - Yang Yang
- Department of Pharmacy, The Affiliated Changzhou Children's Hospital of Nantong University, Changzhou 213003, China
| | - Yi-Zhen Mao
- Department of Endocrinology, Xuzhou Central Hospital, Xuzhou 221009, China
| | - Di Yin
- Department of Pharmacy, The Affiliated Wuxi Maternal and Child Health Hospital of Nanjing Medical University, Wuxi 214002, China
| | - Zi-Qiang Zheng
- Department of Pharmacy, The First People's Hosipital of Lianyungang, Lianyungang 222000, China
| | - Xiao Chen
- Department of Pharmacy, The People's Hospital of Jiangyin, Jiangyin 214400, China; Department of Pharmacy, Children's Hospital of Fudan University, Shanghai 201102, China
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