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Maranchick NF, Peloquin CA. Role of therapeutic drug monitoring in the treatment of multi-drug resistant tuberculosis. J Clin Tuberc Other Mycobact Dis 2024; 36:100444. [PMID: 38708036 PMCID: PMC11067344 DOI: 10.1016/j.jctube.2024.100444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024] Open
Abstract
Tuberculosis (TB) is a leading cause of mortality worldwide, and resistance to anti-tuberculosis drugs is a challenge to effective treatment. Multi-drug resistant TB (MDR-TB) can be difficult to treat, requiring long durations of therapy and the use of second line drugs, increasing a patient's risk for toxicities and treatment failure. Given the challenges treating MDR-TB, clinicians can improve the likelihood of successful outcomes by utilizing therapeutic drug monitoring (TDM). TDM is a clinical technique that utilizes measured drug concentrations from the patient to adjust therapy, increasing likelihood of therapeutic drug concentrations while minimizing the risk of toxic drug concentrations. This review paper provides an overview of the TDM process, pharmacokinetic parameters for MDR-TB drugs, and recommendations for dose adjustments following TDM.
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Affiliation(s)
- Nicole F. Maranchick
- Infectious Disease Pharmacokinetics Lab, Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | - Charles A. Peloquin
- Infectious Disease Pharmacokinetics Lab, Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
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2
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Jeyakumar SM, Bhui NK, Singla N, Vilvamani S, Mariappan MV, Padmapriyadarsini C, Bhatnagar AK, Solanki R, Sridhar R. Long-Term Intake of Linezolid Elevates Drug Exposure and Reduces Drug Clearance and Elimination in Adults With Drug-Resistant Pulmonary Tuberculosis. Ther Drug Monit 2023; 45:754-759. [PMID: 37296501 DOI: 10.1097/ftd.0000000000001111] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 04/16/2023] [Indexed: 06/12/2023]
Abstract
PURPOSE Pharmacokinetic (PK) studies are critical for dose optimization, and there is a paucity of linezolid (LZD) PK data for prolonged use in drug-resistant tuberculosis (DR-TB). Therefore, the authors evaluated the pharmacokinetics of LZD at two-time intervals in DR-TB during long-term use. METHODS PK evaluation of LZD was performed at the end of the 8th and 16th weeks of treatment in a randomly selected subset of adult pre-extensively drug-resistant pulmonary tuberculosis patients (n = 18) from a multicentric interventional study (Building Evidence to Advance Treatment of TB/BEAT study; CTRI/2019/01/017310), wherein a daily dose of 600 mg LZD was used for 24 weeks. Plasma LZD levels were measured using a validated high-pressure liquid chromatography (HPLC) method. RESULTS The LZD median plasma C max was comparable between the 8th and 16th weeks [18.3 mg/L, interquartile range (IQR: 15.5-20.8 and 18.8 mg/L, IQR: 16.0-22.7, respectively)]. However, the trough concentration increased significantly in the 16th week (3.16 mg/L, IQR: 2.30-4.76), compared with the 8th week (1.98 mg/L, IQR: 0.93-2.75). Furthermore, compared with the 8th week, in the 16th week, there was a significant increase in drug exposure (AUC 0-24 = 184.2 mg*h/L, IQR: 156.4-215.8 versus 233.2 mg*h/L, IQR: 187.9-277.2), which corroborated with a longer elimination half-life (6.94 hours, IQR: 5.55-7.99 versus 8.47 hours, IQR:7.36-11.35) and decreased clearance (2.91 L/h, IQR: 2.45-3.33 versus 2.19 L/h, IQR: 1.49-2.78). CONCLUSIONS Long-term daily intake of 600 mg LZD resulted in a significant elevation in trough concentration (>2.0 mg/L) in 83% of the study participants. Furthermore, increased LZD drug exposure may be partly because of decreased clearance and elimination. Overall, the PK data underscore the need for dose adjustment when LZDs are intended for long-term treatment.
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Affiliation(s)
| | | | - Neeta Singla
- National Institute for Tuberculosis and Respiratory Diseases (NITRD), New Delhi, India
| | - Sudha Vilvamani
- ICMR-National Institute for Research in Tuberculosis (NIRT), Chennai, India
| | | | | | - Anuj K Bhatnagar
- Rajan Babu Institute of Pulmonary Medicine and Tuberculosis (RBIPMT), Delhi, India
| | - Rajesh Solanki
- B. J. Medical College and Hospital (BJMCH), Ahmedabad, India; and
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3
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Litjens CHC, Verscheijden LFM, Svensson EM, van den Broek PHH, van Hove H, Koenderink JB, Russel FGM, Aarnoutse RE, te Brake LHM. Physiologically-Based Pharmacokinetic Modelling to Predict the Pharmacokinetics and Pharmacodynamics of Linezolid in Adults and Children with Tuberculous Meningitis. Antibiotics (Basel) 2023; 12:antibiotics12040702. [PMID: 37107064 PMCID: PMC10135070 DOI: 10.3390/antibiotics12040702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 03/23/2023] [Accepted: 03/30/2023] [Indexed: 04/07/2023] Open
Abstract
Linezolid is used off-label for treatment of central nervous system infections. However, its pharmacokinetics and target attainment in cranial cerebrospinal fluid (CSF) in tuberculous meningitis patients is unknown. This study aimed to predict linezolid cranial CSF concentrations and assess attainment of pharmacodynamic (PD) thresholds (AUC:MIC of >119) in plasma and cranial CSF of adults and children with tuberculous meningitis. A physiologically based pharmacokinetic (PBPK) model was developed to predict linezolid cranial CSF profiles based on reported plasma concentrations. Simulated steady-state PK curves in plasma and cranial CSF after linezolid doses of 300 mg BID, 600 mg BID, and 1200 mg QD in adults resulted in geometric mean AUC:MIC ratios in plasma of 118, 281, and 262 and mean cranial CSF AUC:MIC ratios of 74, 181, and 166, respectively. In children using ~10 mg/kg BID linezolid, AUC:MIC values at steady-state in plasma and cranial CSF were 202 and 135, respectively. Our model predicts that 1200 mg per day in adults, either 600 mg BID or 1200 mg QD, results in reasonable (87%) target attainment in cranial CSF. Target attainment in our simulated paediatric population was moderate (56% in cranial CSF). Our PBPK model can support linezolid dose optimization efforts by simulating target attainment close to the site of TBM disease.
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Affiliation(s)
- Carlijn H. C. Litjens
- Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Laurens F. M. Verscheijden
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Elin M. Svensson
- Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
- Department of Pharmacy, Uppsala University, 75123 Uppsala, Sweden
| | - Petra H. H. van den Broek
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Hedwig van Hove
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Jan B. Koenderink
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Frans G. M. Russel
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Rob E. Aarnoutse
- Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Lindsey H. M. te Brake
- Department of Pharmacy, Radboud Institute for Health Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
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4
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Liu X, Aoki M, Osa S, Ito C, Saiki R, Nagai T, Enoki Y, Taguchi K, Matsumoto K. Safety of linezolid in patients with decreased renal function and trough monitoring: a systematic review and meta-analysis. BMC Pharmacol Toxicol 2022; 23:89. [PMID: 36451204 PMCID: PMC9714190 DOI: 10.1186/s40360-022-00628-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 11/16/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Linezolid causes hematological toxicity, mostly thrombocytopenia, which leads to treatment discontinuation and failure. Recent studies revealed that during linezolid therapy, the incidence of treatment-related hematological toxicity is significantly higher in patients with decreased renal function (DRF) than in those with normal renal function. Linezolid monitoring is necessary due to the high frequency of hematological toxicity in patients with DRF and the relationship between blood concentration and safety. We performed a systematic review and meta-analysis to evaluate the safety correlation between DRF and trough monitoring. METHODS Articles published before June 24, 2022, on MEDLINE, Web of Sciences, Cochrane Register of Controlled Trials, and ClinicalTrials.gov were systematically analyzed. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using the Mantel-Haenszel method and the variable effects model. RESULTS The incidence of hematological toxicity was significantly higher in patients with DRF than in those without DRF (OR = 2.37; p < 0.001). Subgroup analysis, performed according to hematotoxicity classification, including thrombocytopenia, anemia, and pancytopenia, revealed a significantly higher incidence of thrombocytopenia (OR = 2.45; p < 0.001) and anemia (OR = 2.31; p = 0.006) in patients with DRF than in those without; pancytopenia (OR = 1.41; p = 0.80) incidences were not significantly higher. Based on a systematic review, linezolid trough concentrations > 6-7 μg/mL may be associated with an increased incidence of thrombocytopenia. However, no confidential threshold values for the development of thrombocytopenia were found in the area under the concentration curve values for children or adults. CONCLUSION We observed a high frequency of hematological toxicity during linezolid therapy in patients with DRF. To ensure safety, linezolid trough concentrations should be ≤6-7 μg/mL.
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Affiliation(s)
- Xiaoxi Liu
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Mari Aoki
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Sumika Osa
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Chihiro Ito
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Reika Saiki
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Tomoya Nagai
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Yuki Enoki
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Kazuaki Taguchi
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
| | - Kazuaki Matsumoto
- grid.26091.3c0000 0004 1936 9959Division of Pharmacodynamics, Keio University Faculty of Pharmacy, 1-5-30, Shibakoen, Minato-ku, Tokyo, 105-8512 Japan
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5
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Mase A, Lowenthal P, True L, Henry L, Barry P, Flood J. Low-Dose Linezolid for Treatment of Patients With Multidrug-Resistant Tuberculosis. Open Forum Infect Dis 2022; 9:ofac500. [PMID: 36601556 PMCID: PMC9801093 DOI: 10.1093/ofid/ofac500] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/04/2022] [Indexed: 01/07/2023] Open
Abstract
Background Linezolid has been prioritized for treating multidrug-resistant tuberculosis (MDR TB), but toxicity limits its use. We report treatment outcomes for MDR TB patients in California who received standard-dose linezolid vs those who switched to low-dose. Methods We include culture-positive MDR TB cases treated with linezolid and receiving California MDR TB Service consultation during 2009-2016. Demographic, clinical, and laboratory data are analyzed using univariate analysis to compare patients who received linezolid of different dosing strategies. Analysis end points are linezolid treatment duration (measure of tolerability), treatment success (completion or cure), and adverse events (AEs). Results Sixty-nine of 194 (36%) MDR TB patients met inclusion criteria. While all patients began linezolid treatment at 600 mg daily, 39 (57%) continued at this dosage (standard-dose), and 30 (43%) switched to 300 mg daily (29%) or intermittent dosing (14%) (low dose). Patients on standard-dose linezolid were treated for 240 days, compared with 535 for those on low-dose (P < .0001). Sixty-three patients (91%) achieved treatment success, 2 (2.9%) died, 1 (1.5%) failed treatment, 1 (1.5%) stopped treatment due to side effects, and 2 (2.9%) were lost or moved. Treatment success was higher (P = .03) in the low-dose group. Sixty-two patients experienced ≥1 hematologic (71%) or neurologic (65%) AE. Those on low-dose linezolid experienced significantly (P = .03) fewer AEs per linezolid-month after switching (0.32 vs 0.10). Conclusions Patients who switched to low dose tolerated linezolid longer with better treatment outcomes and fewer recurring AEs.
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Affiliation(s)
- Anjeli Mase
- Division of Hematology/Oncology, University of California, San Francisco, California, USA
| | - Phil Lowenthal
- California Department of Public Health Tuberculosis Control Branch, Richmond, California, USA
| | - Lisa True
- California Department of Public Health Tuberculosis Control Branch, Richmond, California, USA
| | - Leslie Henry
- California Department of Public Health Tuberculosis Control Branch, Richmond, California, USA
| | - Pennan Barry
- California Department of Public Health Tuberculosis Control Branch, Richmond, California, USA
| | - Jennifer Flood
- Correspondence: Jennifer Flood, MD, MPH, California Department of Public Health Tuberculosis Control Branch, 850 Marina Bay Parkway, Building P, Floor 2, Richmond, CA 94804 ()
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6
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Lin B, Hu Y, Xu P, Xu T, Chen C, He L, Zhou M, Chen Z, Zhang C, Yu X, Fang L, Zhu J, Ji Y, Lin Q, Cao H, Dai Y, Lu X, Shi C, Li L, Wang C, Li X, Fang Q, Miao J, Zhu Z, Lin G, Zhan H, Lv S, Zhu Y, Cai X, Ying Y, Chen M, Xu Q, Zhang Y, Xu Y, Federico P, Jiang S, Dai H. Expert consensus statement on therapeutic drug monitoring and individualization of linezolid. Front Public Health 2022; 10:967311. [PMID: 36033811 PMCID: PMC9399604 DOI: 10.3389/fpubh.2022.967311] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 07/19/2022] [Indexed: 01/24/2023] Open
Abstract
Linezolid is an oxazolidinone antibacterial drug, and its therapeutic drug monitoring and individualized treatment have been challenged since its approval. With the in-depth clinical research of linezolid, we have changed our attitude toward its therapeutic drug monitoring and our view of individualized treatment. On the basis of summarizing the existing clinical studies, and based on the practical experience of each expert in their respective professional fields, we have formed this expert consensus. Our team of specialists is a multidisciplinary team that includes pharmacotherapists, clinical pharmacology specialists, critical care medicine specialists, respiratory specialists, infectious disease specialists, emergency medicine specialists and more. We are committed to the safe and effective use of linezolid in patients in need, and the promotion of its therapeutic drug monitoring.
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Affiliation(s)
- Bin Lin
- Department of Pharmacy, Changxing People's Hospital, Changxing Branch, Second Affiliated Hospital of Zhejiang University School of Medicine, Huzhou, China,Key Laboratory of Intelligent Pharmacy and Individualized Therapy of Huzhou, Huzhou, China
| | - Yangmin Hu
- Department of Pharmacy, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Ping Xu
- Department of Pharmacy, Ningbo First Hospital, Ningbo, China
| | - Tao Xu
- Department of Pharmacy, Ningbo First Hospital, Ningbo, China
| | - Chunyan Chen
- Department of Pharmacy, Ningbo First Hospital, Ningbo, China
| | - Le He
- Department of Pharmacy, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mi Zhou
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, China
| | - Zhangzhang Chen
- Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chunhong Zhang
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xuben Yu
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Luo Fang
- Department of Pharmacy, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Junfeng Zhu
- Department of Pharmacy, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Yanlan Ji
- Department of Pharmacy, Deqing People's Hospital, Huzhou, China
| | - Qun Lin
- Department of Pharmacy, Tiantai People's Hospital, Taizhou, China
| | - Hengbin Cao
- Department of Clinical Pharmacy, Huzhou Central Hospital, Huzhou, China
| | - Youqin Dai
- Department of Pharmacy, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
| | - Xiaoyan Lu
- Department of Pharmacy, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
| | - Changcheng Shi
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Li Li
- Department of Pharmacy, Zhejiang Hospital, Hangzhou, China
| | - Changjiang Wang
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Xumei Li
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Qiongyan Fang
- Department of Pharmacy, Zhoushan Hospital, Zhoushan, China
| | - Jing Miao
- Department of Pharmacy, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Zhengyi Zhu
- Department of Pharmacy, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Guangyong Lin
- Department of Pharmacy, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Haichao Zhan
- Department of Clinical Pharmacy, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Shiwen Lv
- Department of Clinical Pharmacy, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Yalan Zhu
- Department of Clinical Pharmacy, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Xinjun Cai
- Department of Pharmacy, Affiliated Hangzhou Chest Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yin Ying
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Meng Chen
- Department of Pharmacy, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Qiong Xu
- Department of Pharmacy, Putuo Hospital, Zhoushan, China
| | - Yiwen Zhang
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China
| | - Yubin Xu
- Department of Pharmacy, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, China
| | - Pea Federico
- Department of Medical and Surgical Sciences, Alma Mater Studiorum, University of Bologna, Bologna, Italy,SSD Clinical Pharmacology, Department for Integrated Infectious Risk Management, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Saiping Jiang
- Department of Clinical Pharmacy, First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,Saiping Jiang
| | - Haibin Dai
- Key Laboratory of Intelligent Pharmacy and Individualized Therapy of Huzhou, Huzhou, China,Department of Pharmacy, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,*Correspondence: Haibin Dai
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7
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Ahmad I, Pawara RH, Girase RT, Pathan AY, Jagatap VR, Desai N, Ayipo YO, Surana SJ, Patel H. Synthesis, Molecular Modeling Study, and Quantum-Chemical-Based Investigations of Isoindoline-1,3-diones as Antimycobacterial Agents. ACS OMEGA 2022; 7:21820-21844. [PMID: 35785272 PMCID: PMC9244950 DOI: 10.1021/acsomega.2c01981] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/19/2022] [Indexed: 05/25/2023]
Abstract
The condensation of phthalic anhydride afforded structurally modified isoindoline-1,3-dione derivatives with selected amino-containing compounds. The title compounds (2-30) have been characterized by thin-layer chromatography (TLC), infrared spectroscopy, 1H and 13C NMR spectroscopy, and mass spectroscopy. All of the compounds were assessed for their antimycobacterial activity toward the H37Rv strain by a dual read-out assay method. Among the synthesized compounds, compound 27 possessed a significant IC50 of 18 μM, making it the most potent compound of the series. The InhA inhibitory (IC50) activity of compound 27 was 8.65 μM in comparison to Triclosan (1.32 μM). Computational studies like density functional theory (DFT) study, molecular docking, and dynamic simulation studies illustrated the reactivity and stability of the synthesized compounds as InhA inhibitors. A quantum-mechanics-based DFT study was carried out to investigate the molecular and electronic properties, reactivities, and nature of bonding present in the synthesized compounds and theoretical vibrational (IR) and isotropic value (1H and 13C NMR) calculations.
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Affiliation(s)
- Iqrar Ahmad
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
| | - Rahul H. Pawara
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
| | - Rukaiyya T. Girase
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
| | - Asama Y. Pathan
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
| | - Vilas R. Jagatap
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
| | - Nisheeth Desai
- Division
of Medicinal Chemistry, Department of Chemistry (DST-FIST Sponsored), Maharaja Krishnakumarsinhji Bhavnagar University, Mahatma Gandhi Campus, Bhavnagar 364002, India
| | - Yusuf Oloruntoyin Ayipo
- Centre
for Drug Research, Universiti Sains Malaysia,
USM, 11800 Gelugor, Pulau Pinang, Malaysia
| | - Sanjay J. Surana
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
| | - Harun Patel
- Division
of Computer-Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education
and Research, Shirpur 425405, Dhule, Maharashtra, India
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8
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Linezolid Population Pharmacokinetics in South African Adults with Drug-Resistant Tuberculosis. Antimicrob Agents Chemother 2021; 65:e0138121. [PMID: 34543098 DOI: 10.1128/aac.01381-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Linezolid is widely used for drug-resistant tuberculosis (DR-TB) but has a narrow therapeutic index. To inform dose optimization, we aimed to characterize the population pharmacokinetics of linezolid in South African participants with DR-TB and explore the effect of covariates, including HIV coinfection, on drug exposure. Data were obtained from pharmacokinetic substudies in a randomized controlled trial and an observational cohort study, both of which enrolled adults with drug-resistant pulmonary tuberculosis. Participants underwent intensive and sparse plasma sampling. We analyzed linezolid concentration data using nonlinear mixed-effects modeling and performed simulations to estimate attainment of putative efficacy and toxicity targets. A total of 124 participants provided 444 plasma samples; 116 were on the standard daily dose of 600 mg, while 19 had dose reduction to 300 mg due to adverse events. Sixty-one participants were female, 71 were HIV-positive, and their median weight was 56 kg (interquartile range [IQR], 50 to 63). In the final model, typical values for clearance and central volume were 3.57 liters/h and 40.2 liters, respectively. HIV coinfection had no significant effect on linezolid exposure. Simulations showed that 600-mg dosing achieved the efficacy target (area under the concentration-time curve for the free, unbound fraction of the drug [[Formula: see text] at a MIC level of 0.5 mg/liter) with 96% probability but had 56% probability of exceeding safety target ([Formula: see text]. The 300-mg dose did not achieve adequate efficacy exposures. Our model characterized population pharmacokinetics of linezolid in South African patients with DR-TB and supports the 600-mg daily dose with safety monitoring.
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9
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Kim HY, Ruiter E, Jongedijk EM, Ak HK, Marais BJ, Pk B, Sawleshwarkar S, Touw DJ, Alffenaar JW. Saliva-based linezolid monitoring on a mobile UV spectrophotometer. J Antimicrob Chemother 2021; 76:1786-1792. [PMID: 33734351 DOI: 10.1093/jac/dkab075] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/15/2021] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND In TB, therapeutic drug monitoring (TDM) is recommended for linezolid; however, implementation is challenging in endemic settings. Non-invasive saliva sampling using a mobile assay would increase the feasibility of TDM. OBJECTIVES To validate a linezolid saliva assay using a mobile UV spectrophotometer. METHODS The saliva assay was developed using NanoPhotometer NP80® and linezolid concentrations were quantified using second-order derivative spectroscopy. Sample preparation involved liquid-liquid extraction of saliva, using saturated sodium chloride and ethyl acetate at 1:1:3 (v/v/v). The assay was validated for accuracy, precision, selectivity, specificity, carry-over, matrix effect, stability and filters. Acceptance criteria were bias and coefficient of variation (CV) <15% for quality control (QC) samples and <20% for the lower limit of quantification (LLOQ). RESULTS Linezolid concentrations correlated with the amplitude between 250 and 270 nm on the second-order derivative spectra. The linezolid calibration curve was linear over the range of 3.0 to 25 mg/L (R2 = 0.99) and the LLOQ was 3.0 mg/L. Accuracy and precision were demonstrated with bias of -7.5% to 2.7% and CV ≤5.6%. The assay met the criteria for selectivity, matrix effect, carry-over, stability (tested up to 3 days) and use of filters (0.22 μM Millex®-GV and Millex®-GP). Specificity was tested with potential co-medications. Interferences from pyrazinamide, levofloxacin, moxifloxacin, rifampicin, abacavir, acetaminophen and trimethoprim were noted; however, with minimal clinical implications on linezolid dosing. CONCLUSIONS We validated a UV spectrophotometric assay using non-invasive saliva sampling for linezolid. The next step is to demonstrate clinical feasibility and value to facilitate programmatic implementation of TDM.
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Affiliation(s)
- Hannah Yejin Kim
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia.,Westmead Hospital, Westmead, NSW, Australia.,Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Camperdown, NSW, Australia
| | - Evelien Ruiter
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia.,School of Pharmacy, Utrecht University, Utrecht, The Netherlands
| | - Erwin M Jongedijk
- University of Groningen, University Medical Center Groningen, Department of Clinical Pharmacy and Pharmacology, Groningen, The Netherlands
| | | | - Ben J Marais
- Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Camperdown, NSW, Australia.,Department of Infectious Diseases and Microbiology, The Children's Hospital at Westmead, Westmead, Australia
| | - Bhavani Pk
- National Institute for Research in Tuberculosis, Chennai, India
| | - Shailendra Sawleshwarkar
- Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Camperdown, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Daan J Touw
- University of Groningen, University Medical Center Groningen, Department of Clinical Pharmacy and Pharmacology, Groningen, The Netherlands
| | - Jan-Willem Alffenaar
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia.,Westmead Hospital, Westmead, NSW, Australia.,Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney, Camperdown, NSW, Australia
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10
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A Review of Clinical Pharmacokinetic and Pharmacodynamic Relationships and Clinical Implications for Drugs Used to Treat Multi-drug Resistant Tuberculosis. Eur J Drug Metab Pharmacokinet 2021; 45:305-313. [PMID: 31925745 DOI: 10.1007/s13318-019-00604-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Multidrug-resistant tuberculosis (MDR-TB) is becoming a global health crisis. The World Health Organization has released new guidelines for the use of tuberculosis-active drugs for the treatment of patients with MDR-TB. Despite documented activity against tuberculosis isolates, doses and exposure targets are yet to be optimized. Our objective was therefore to review the clinical pharmacokinetic and pharmacodynamic literature pertaining to drugs recommended to treat MDR-TB and to identify target areas for future research. To date, published research is limited but studies were identified that evaluated the pharmacokinetics and pharmacodynamics of these drugs. Exposure targets were assessed and summarized for each drug. Exposure-based targets (e.g., area under the concentration curve/minimum inhibitory concentration) appear to be most commonly associated with predicting drug efficacy. Dose variation studies based on these targets were largely inconclusive. Future research should focus on determining the risks and benefits of dose optimization to meet exposure targets and improve patient outcomes. The role of therapeutic drug monitoring also remains yet to be confirmed, both from a clinical perspective as well as a resource allocation perspective in regions where MDR-TB is active.
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11
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Alffenaar JW, Märtson AG, Heysell SK, Cho JG, Patanwala A, Burch G, Kim HY, Sturkenboom MGG, Byrne A, Marriott D, Sandaradura I, Tiberi S, Sintchencko V, Srivastava S, Peloquin CA. Therapeutic Drug Monitoring in Non-Tuberculosis Mycobacteria Infections. Clin Pharmacokinet 2021; 60:711-725. [PMID: 33751415 PMCID: PMC8195771 DOI: 10.1007/s40262-021-01000-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2021] [Indexed: 12/19/2022]
Abstract
Nontuberculous mycobacteria can cause minimally symptomatic self-limiting infections to progressive and life-threatening disease of multiple organs. Several factors such as increased testing and prevalence have made this an emerging infectious disease. Multiple guidelines have been published to guide therapy, which remains difficult owing to the complexity of therapy, the potential for acquired resistance, the toxicity of treatment, and a high treatment failure rate. Given the long duration of therapy, complex multi-drug treatment regimens, and the risk of drug toxicity, therapeutic drug monitoring is an excellent method to optimize treatment. However, currently, there is little available guidance on therapeutic drug monitoring for this condition. The aim of this review is to provide information on the pharmacokinetic/pharmacodynamic targets for individual drugs used in the treatment of nontuberculous mycobacteria disease. Lacking data from randomized controlled trials, in vitro, in vivo, and clinical data were aggregated to facilitate recommendations for therapeutic drug monitoring to improve efficacy and reduce toxicity.
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Affiliation(s)
- Jan-Willem Alffenaar
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Pharmacy Building (A15), Sydney, NSW, 2006, Australia. .,Westmead Hospital, Westmead, NSW, Australia. .,Marie Bashir Institute for Infectious Diseases and Biosecurity, University of Sydney, Sydney, NSW, Australia. .,Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
| | - Anne-Grete Märtson
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Scott K Heysell
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, VA, USA
| | - Jin-Gun Cho
- Westmead Medical School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Respiratory and Sleep Medicine, Westmead Hospital, Westmead, NSW, Australia.,Parramatta Chest Clinic, Parramatta, NSW, Australia
| | - Asad Patanwala
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Pharmacy Building (A15), Sydney, NSW, 2006, Australia.,Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Gina Burch
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA
| | - Hannah Y Kim
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Pharmacy Building (A15), Sydney, NSW, 2006, Australia.,Westmead Hospital, Westmead, NSW, Australia.,Marie Bashir Institute for Infectious Diseases and Biosecurity, University of Sydney, Sydney, NSW, Australia
| | - Marieke G G Sturkenboom
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Anthony Byrne
- St. Vincent's Hospital Sydney, Heart Lung Clinic, Sydney, NSW, Australia
| | - Debbie Marriott
- Department of Microbiology and Infectious Diseases, St. Vincent's Hospital, Sydney, NSW, Australia
| | - Indy Sandaradura
- Westmead Medical School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Centre for Infectious Diseases and Microbiology Laboratory Services, NSW Health Pathology, Westmead Hospital, Sydney, NSW, Australia
| | - Simon Tiberi
- Division of Infection, Barts Health NHS Trust, Royal London Hospital, London, UK.,Centre for Primary Care and Public Health, Blizard Institute, Barts and The London School of Medicine and Dentistry, London, UK
| | - Vitali Sintchencko
- Marie Bashir Institute for Infectious Diseases and Biosecurity, University of Sydney, Sydney, NSW, Australia.,NSW Mycobacterium Reference Laboratory, Centre for Infectious Diseases and Microbiology Laboratory Services, NSW Health Pathology, Westmead Hospital, Wentworthville, NSW, Australia.,Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, Westmead, NSW, Australia.,Centre for Infectious Diseases and Microbiology-Public Health, Westmead Hospital, Westmead, NSW, Australia
| | - Shashikant Srivastava
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, USA.,Department of Pulmonary Immunology, UT Health Science Center at Tyler, Tyler, TX, USA
| | - Charles A Peloquin
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA
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12
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van den Elsen SH, Sturkenboom MG, Akkerman O, Barkane L, Bruchfeld J, Eather G, Heysell SK, Hurevich H, Kuksa L, Kunst H, Kuhlin J, Manika K, Moschos C, Mpagama SG, Muñoz Torrico M, Skrahina A, Sotgiu G, Tadolini M, Tiberi S, Volpato F, van der Werf TS, Wilson MR, Zúñiga J, Touw DJ, Migliori GB, Alffenaar JW. Prospective evaluation of improving fluoroquinolone exposure using centralised therapeutic drug monitoring (TDM) in patients with tuberculosis (PERFECT): a study protocol of a prospective multicentre cohort study. BMJ Open 2020; 10:e035350. [PMID: 32554740 PMCID: PMC7304807 DOI: 10.1136/bmjopen-2019-035350] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
INTRODUCTION Global multidrug-resistant tuberculosis (MDR-TB) treatment success rates remain suboptimal. Highly active WHO group A drugs moxifloxacin and levofloxacin show intraindividual and interindividual pharmacokinetic variability which can cause low drug exposure. Therefore, therapeutic drug monitoring (TDM) of fluoroquinolones is recommended to personalise the drug dosage, aiming to prevent the development of drug resistance and optimise treatment. However, TDM is considered laborious and expensive, and the clinical benefit in MDR-TB has not been extensively studied. This observational multicentre study aims to determine the feasibility of centralised TDM and to investigate the impact of fluoroquinolone TDM on sputum conversion rates in patients with MDR-TB compared with historical controls. METHODS AND ANALYSIS Patients aged 18 years or older with sputum smear and culture-positive pulmonary MDR-TB will be eligible for inclusion. Patients receiving TDM using a limited sampling strategy (t=0 and t=5 hours) will be matched to historical controls without TDM in a 1:2 ratio. Sample analysis and dosing advice will be performed in a centralised laboratory. Centralised TDM will be considered feasible if >80% of the dosing recommendations are returned within 7 days after sampling and 100% within 14 days. The number of patients who are sputum smear and culture-negative after 2 months of treatment will be determined in the prospective TDM group and will be compared with the control group without TDM to determine the impact of TDM. ETHICS AND DISSEMINATION Ethical clearance was obtained by the ethical review committees of the 10 participating hospitals according to local procedures or is pending (online supplementary file 1). Patients will be included after obtaining written informed consent. We aim to publish the study results in a peer-reviewed journal. TRIAL REGISTRATION NUMBER ClinicalTrials.gov Registry (NCT03409315).
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Affiliation(s)
- Simone Hj van den Elsen
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marieke Gg Sturkenboom
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Onno Akkerman
- Department of Pulmonary Diseases and Tuberculosis, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Tuberculosis Center Beatrixoord, University of Groningen, University Medical Center Groningen, Haren, The Netherlands
| | - Linda Barkane
- Department of Multidrug Resistant Tuberculosis, Riga East University Hospital TB and Lung Disease Clinic, Riga, Latvia
| | - Judith Bruchfeld
- Division of Infectious Diseases, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Geoffrey Eather
- Department of Respiratory Medicine and Metro South Clinical Tuberculosis Service, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Scott K Heysell
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA
| | - Henadz Hurevich
- The Republican Scientific and Practical Center for Pulmonology and Tuberculosis, Minsk, Belarus
| | - Liga Kuksa
- Department of Multidrug Resistant Tuberculosis, Riga East University Hospital TB and Lung Disease Clinic, Riga, Latvia
| | - Heinke Kunst
- Department of Respiratory Medicine, Blizard Institute, Queen Mary University of London, Barts Health NHS Trust, London, UK
| | - Johanna Kuhlin
- Division of Infectious Diseases, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Katerina Manika
- Pulmonary Department, Respiratory Infections Unit, G. Papanikolaou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Charalampos Moschos
- Drug-Resistant Tuberculosis Unit, 'Sotiria' Hospital for Chest Diseases, Athens, Greece
| | - Stellah G Mpagama
- Kibong'oto Infectious Diseases Hospital, Kilimanjaro, United Republic of Tanzania
| | - Marcela Muñoz Torrico
- Clínica de Tuberculosis, Instituto Nacional de Enfermedades Respiratorias, Mexico City, Mexico
| | - Alena Skrahina
- The Republican Scientific and Practical Center for Pulmonology and Tuberculosis, Minsk, Belarus
| | - Giovanni Sotgiu
- Department of Medical, Surgical and Experimental Sciences, Clinical Epidemiology and Medical Statistics Unit, University of Sassari, Sassari, Italy
| | - Marina Tadolini
- Department of Medical and Surgical Sciences, Unit of Infectious Diseases, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - Simon Tiberi
- Department of Infection, Blizard Institute, Queen Mary University of London, Barts Health NHS Trust, London, UK
| | - Francesca Volpato
- Department of Medical and Surgical Sciences, Unit of Infectious Diseases, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - Tjip S van der Werf
- Department of Pulmonary Diseases and Tuberculosis, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Malcolm R Wilson
- Department of Respiratory Medicine and Metro South Clinical Tuberculosis Service, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Joaquin Zúñiga
- Laboratory of Immunobiology and Genetics, Instituto Nacional de Enfermedades Respiratorias, Mexico City, Mexico
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de Salud, Mexico City, Mexico
| | - Daan J Touw
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Giovanni B Migliori
- Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri IRCCS, Tradate, Italy
| | - Jan-Willem Alffenaar
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
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13
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Bolhuis MS, Akkerman OW, Sturkenboom MGG, Ghimire S, Srivastava S, Gumbo T, Alffenaar JWC. Linezolid-based Regimens for Multidrug-resistant Tuberculosis (TB): A Systematic Review to Establish or Revise the Current Recommended Dose for TB Treatment. Clin Infect Dis 2019; 67:S327-S335. [PMID: 30496467 DOI: 10.1093/cid/ciy625] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Linezolid has been successfully used for treatment of multidrug-resistant tuberculosis (MDR-TB). However, dose- and duration-related toxicity limit its use. Here, our aim was to search relevant pharmacokinetics (PK)/pharmacodynamics (PD) literature to identify the effective PK/PD index and to define the optimal daily dose and dosing frequency of linezolid in MDR-TB regimens. The systematic search resulted in 8 studies that met inclusion criteria. A significant PK variability was observed. Efficacy of linezolid seems to be driven by area under the concentration-time curve (AUC)/minimum inhibitory concentration (MIC). Literature is inconclusive about the preferred administration of a daily dose of 600 mg. To prevent development of drug resistance, an AUC/MIC ratio of 100 in the presence of a companion drug at relevant exposure is required. A daily dose of 600 mg seems appropriate to balance between efficacy and toxicity. Being a drug with a very narrow therapeutic window, linezolid treatment may benefit from a more personalized approach, that is, measuring actual MIC values and therapeutic drug monitoring.
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Affiliation(s)
- Mathieu S Bolhuis
- Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen
| | - Onno W Akkerman
- Pulmonary Diseases and Tuberculosis, University Medical Center Groningen, University of Groningen.,Tuberculosis Center Beatrixoord, University Medical Center Groningen, University of Groningen, Haren, The Netherlands
| | - Marieke G G Sturkenboom
- Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen
| | - Samiksha Ghimire
- Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen
| | - Shashikant Srivastava
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
| | - Tawanda Gumbo
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
| | - Jan-Willem C Alffenaar
- Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen
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14
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Millard J, Pertinez H, Bonnett L, Hodel EM, Dartois V, Johnson JL, Caws M, Tiberi S, Bolhuis M, Alffenaar JWC, Davies G, Sloan DJ. Linezolid pharmacokinetics in MDR-TB: a systematic review, meta-analysis and Monte Carlo simulation. J Antimicrob Chemother 2019; 73:1755-1762. [PMID: 29584861 PMCID: PMC6005026 DOI: 10.1093/jac/dky096] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 02/26/2018] [Indexed: 01/16/2023] Open
Abstract
Objectives The oxazolidinone linezolid is an effective component of drug-resistant TB treatment, but its use is limited by toxicity and the optimum dose is uncertain. Current strategies are not informed by clinical pharmacokinetic (PK)/pharmacodynamic (PD) data; we aimed to address this gap. Methods We defined linezolid PK/PD targets for efficacy (fAUC0–24:MIC >119 mg/L/h) and safety (fCmin <1.38 mg/L). We extracted individual-level linezolid PK data from existing studies on TB patients and performed meta-analysis, producing summary estimates of fAUC0–24 and fCmin for published doses. Combining these with a published MIC distribution, we performed Monte Carlo simulations of target attainment. Results The efficacy target was attained in all simulated individuals at 300 mg q12h and 600 mg q12h, but only 20.7% missed the safety target at 300 mg q12h versus 98.5% at 600 mg q12h. Although suggesting 300 mg q12h should be used preferentially, these data were reliant on a single centre. Efficacy and safety targets were missed by 41.0% and 24.2%, respectively, at 300 mg q24h and by 44.6% and 27.5%, respectively, at 600 mg q24h. However, the confounding effect of between-study heterogeneity on target attainment for q24h regimens was considerable. Conclusions Linezolid dosing at 300 mg q12h may retain the efficacy of the 600 mg q12h licensed dosing with improved safety. Data to evaluate commonly used 300 mg q24h and 600 mg q24h doses are limited. Comprehensive, prospectively obtained PK/PD data for linezolid doses in drug-resistant TB treatment are required.
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Affiliation(s)
- James Millard
- Wellcome Trust Liverpool Glasgow Centre for Global Health Research, Liverpool, UK.,Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.,Africa Health Research Institute, Durban, South Africa
| | - Henry Pertinez
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
| | - Laura Bonnett
- Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.,Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Eva Maria Hodel
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK.,Liverpool School of Tropical Medicine, Liverpool, UK
| | - Véronique Dartois
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - John L Johnson
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA.,University Hospitals Case Medical Center, Cleveland, OH, USA
| | - Maxine Caws
- Liverpool School of Tropical Medicine, Liverpool, UK.,Birat-Nepal Medical Trust, Lazimpat, Kathmandu, Nepal
| | - Simon Tiberi
- Department of Infection, Barts Health National Health Service Trust, London, UK
| | - Mathieu Bolhuis
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, Groningen, The Netherlands
| | - Jan-Willem C Alffenaar
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, Groningen, The Netherlands
| | - Geraint Davies
- Institute of Infection and Global Health, University of Liverpool, Liverpool, UK
| | - Derek J Sloan
- Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.,Liverpool School of Tropical Medicine, Liverpool, UK.,School of Medicine, University of St Andrews, St Andrews, UK
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15
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Linezolid Pharmacokinetics in South African Patients with Drug-Resistant Tuberculosis and a High Prevalence of HIV Coinfection. Antimicrob Agents Chemother 2019; 63:AAC.02164-18. [PMID: 30617089 DOI: 10.1128/aac.02164-18] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 12/14/2018] [Indexed: 12/24/2022] Open
Abstract
The World Health Organization (WHO) recently recommended that linezolid be prioritized in treatment regimens for drug-resistant tuberculosis (TB), but there are limited data on its pharmacokinetics (PK) in patients with this disease. We conducted an observational study to explore covariate effects on linezolid PK and to estimate the probability of PK/pharmacodynamic target attainment in South African patients with drug-resistant TB. Consecutive adults on linezolid-based regimens were recruited in Cape Town and underwent intensive PK sampling at steady state. Noncompartmental analysis was performed. Thirty participants were included: 15 HIV positive, 26 on the initial dose of 600 mg daily, and 4 participants on 300 mg daily after dose reduction for linezolid-related toxicity. There was a negative correlation between body weight and exposure, with 17.4% (95% confidence interval [CI], 0.1 to 31.7) decrease in area under the concentration-time curve from 0 to 24 h (AUC0-24) per 10-kg weight increment after adjustment for other covariates. Age was an independent predictor of trough concentration, with an estimated 43.4% (95% CI, 5.9 to 94.2) increase per 10-year increment in age. The standard 600-mg dose achieved the efficacy target of free AUC/MIC of >119 at wild-type MIC values (≤0.5 mg/liter), but the probability of target attainment dropped to 61.5% (95% CI, 40.6 to 79.8) at the critical concentration of 1 mg/liter. When dosed at 600 mg daily, trough concentrations were above the toxicity threshold of 2 mg/liter in 57.7% (95% CI, 36.9 to 76.6). This confirms the narrow therapeutic index of linezolid, and alternative dosing strategies should be explored.
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16
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Cresswell FV, Te Brake L, Atherton R, Ruslami R, Dooley KE, Aarnoutse R, Van Crevel R. Intensified antibiotic treatment of tuberculosis meningitis. Expert Rev Clin Pharmacol 2019; 12:267-288. [PMID: 30474434 DOI: 10.1080/17512433.2019.1552831] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Meningitis is the most severe manifestation of tuberculosis, resulting in death or disability in over 50% of those affected, with even higher morbidity and mortality among patients with HIV or drug resistance. Antimicrobial treatment of Tuberculous meningitis (TBM) is similar to treatment of pulmonary tuberculosis, although some drugs show poor central nervous system penetration. Therefore, intensification of antibiotic treatment may improve TBM treatment outcomes. Areas covered: In this review, we address three main areas: available data for old and new anti-tuberculous agents; intensified treatment in specific patient groups like HIV co-infection, drug-resistance, and children; and optimal research strategies. Expert commentary: There is good evidence from preclinical, clinical, and modeling studies to support the use of high-dose rifampicin in TBM, likely to be at least 30 mg/kg. Higher dose isoniazid could be beneficial, especially in rapid acetylators. The role of other first and second line drugs is unclear, but observational data suggest that linezolid, which has good brain penetration, may be beneficial. We advocate the use of molecular pharmacological approaches, physiologically based pharmacokinetic modeling and pharmacokinetic-pharmacodynamic studies to define optimal regimens to be tested in clinical trials. Exciting data from recent studies hold promise for improved regimens and better clinical outcomes in future.
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Affiliation(s)
- Fiona V Cresswell
- a Clinical Research Department , London School of Hygiene and Tropical Medicine , London , UK.,b Research Department , Infectious Diseases Institute , Kampala , Uganda
| | - Lindsey Te Brake
- c Department of Pharmacy , Radboud Institute of Health Sciences, Radboud Center for Infectious Diseases Radboud university medical center , Nijmegen , The Netherlands
| | - Rachel Atherton
- b Research Department , Infectious Diseases Institute , Kampala , Uganda
| | - Rovina Ruslami
- d TB-HIV Research Centre, Faculty of Medicine , Universitas Padjadjaran , Bandung , Indonesia
| | - Kelly E Dooley
- e Divisions of Clinical Pharmacology and Infectious Diseases, Department of Medicine , Johns Hopkins University School of Medicine , Baltimore , MD , USA
| | - Rob Aarnoutse
- c Department of Pharmacy , Radboud Institute of Health Sciences, Radboud Center for Infectious Diseases Radboud university medical center , Nijmegen , The Netherlands
| | - Reinout Van Crevel
- f Department of Internal Medicine and Radboud Center for Infectious Diseases , Radboud university medical center , Nijmegen , the Netherlands.,g Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine , University of Oxford , Oxford , UK
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17
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Alffenaar JWC, Akkerman OW, Bothamley G. Monitoring during and after tuberculosis treatment. Tuberculosis (Edinb) 2018. [DOI: 10.1183/2312508x.10022217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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18
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Krutikov M, Bruchfeld J, Migliori GB, Borisov S, Tiberi S. New and repurposed drugs. Tuberculosis (Edinb) 2018. [DOI: 10.1183/2312508x.10021517] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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19
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Assessment of the Additional Value of Verapamil to a Moxifloxacin and Linezolid Combination Regimen in a Murine Tuberculosis Model. Antimicrob Agents Chemother 2018; 62:AAC.01354-18. [PMID: 29987154 DOI: 10.1128/aac.01354-18] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 06/26/2018] [Indexed: 01/24/2023] Open
Abstract
The favorable treatment outcome rate for multidrug-resistant tuberculosis (MDR-TB) is only 54%, and therefore new drug regimens are urgently needed. In this study, we evaluated the activity of the combination of moxifloxacin and linezolid as a possible new MDR-TB regimen in a murine TB model and the value of the addition of the efflux pump inhibitor verapamil to this backbone. BALB/c mice were infected with drug-sensitive Mycobacterium tuberculosis and were treated with human-equivalent doses of moxifloxacin (200 mg/kg of body weight) and linezolid (100 mg/kg) with or without verapamil (12.5 mg/kg) for 12 weeks. Pharmacokinetic parameters were collected during treatment at the steady state. After 12 weeks of treatment, a statistically significant decline in mycobacterial load in the lungs was observed with the moxifloxacin-linezolid regimen with and without verapamil (5.9 and 5.0 log CFU, respectively), but sterilization was not achieved yet. The spleens of all mice were culture negative after 12 weeks of treatment with both treatment modalities, and the addition of verapamil caused a significant reduction in relapse (14/14 positive spleens without versus 9/15 with verapamil, P = 0.017). In conclusion, treatment with a combination regimen of moxifloxacin and linezolid showed a strong decline in mycobacterial load in the mice. The addition of verapamil to this backbone had a modest additional effect in terms of reducing mycobacterial load in the lung as well as reducing the spleen relapse rate. These results warrant further studies on the role of efflux pump inhibition in improving the efficacy of MDR-TB backbone regimens.
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Schoutrop ELM, Brouwer MAE, Jenniskens JCA, Ferro BE, Mouton JW, Aarnoutse RE, van Ingen J. The stability of antimycobacterial drugs in media used for drug susceptibility testing. Diagn Microbiol Infect Dis 2018; 92:305-308. [PMID: 30025972 DOI: 10.1016/j.diagmicrobio.2018.06.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 06/12/2018] [Accepted: 06/20/2018] [Indexed: 01/02/2023]
Abstract
The emergence of drug-resistant tuberculosis and disease caused by nontuberculous mycobacteria has increased the need for accurate drug susceptibility testing of mycobacteria. The stability of the tested drugs in relevant test media have been understudied. We assessed the stability of isoniazid, rifampicin, clarithromycin, linezolid and amikacin in Middlebrook 7H9 medium and that of clarithromycin, amikacin and cefoxitin in the cation-adjusted Mueller Hinton broth. We used ultra-performance liquid chromatography (UPLC) methods for rifampicin and isoniazid and a microbiological assay for rifampicin, clarithromycin, amikacin, cefoxitin and linezolid. Rifampicin and isoniazid concentrations in Middlebrook 7H9 medium had decreased by 92% and 54% after 7 days. The microbiological assay revealed decreases in drug concentration of ≥75% (rifampicin, clarithromycin, cefoxitin) and 60% (linezolid) after 14 days. With the exception of amikacin, all antimycobacterial drugs were unstable during 14 days of incubation in the preferred media for DST. Drug stability may influence minimum inhibitory concentration measurements.
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Affiliation(s)
- Esther L M Schoutrop
- Department of Medical Microbiology, Radboud University Medical Center, PO Box 9101, 6500HB Nijmegen, the Netherlands
| | - Michelle A E Brouwer
- Department of Medical Microbiology, Radboud University Medical Center, PO Box 9101, 6500HB Nijmegen, the Netherlands
| | - Josien C A Jenniskens
- Department of Medical Microbiology, Radboud University Medical Center, PO Box 9101, 6500HB Nijmegen, the Netherlands
| | - Beatriz E Ferro
- Department of Medical Microbiology, Radboud University Medical Center, PO Box 9101, 6500HB Nijmegen, the Netherlands
| | - Johan W Mouton
- Department of Medical Microbiology and Infectious Diseases, Erasmus Medical Center, Wytemaweg 80, 3015, CN, Rotterdam, the Netherlands
| | - Rob E Aarnoutse
- Department of Pharmacy, Radboud University Medical Center, PO Box 9101, 6500HB Nijmegen, the Netherlands
| | - Jakko van Ingen
- Department of Medical Microbiology, Radboud University Medical Center, PO Box 9101, 6500HB Nijmegen, the Netherlands.
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Wasserman S, Meintjes G, Maartens G. Linezolid in the treatment of drug-resistant tuberculosis: the challenge of its narrow therapeutic index. Expert Rev Anti Infect Ther 2016; 14:901-15. [PMID: 27532292 DOI: 10.1080/14787210.2016.1225498] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Linezolid is an oxazolidinone with potent activity against M tuberculosis, and improves culture conversion and cure rates when added to treatment regimens for drug resistant tuberculosis. However, linezolid has a narrow therapeutic window, and the optimal dosing strategy that minimizes the substantial toxicity associated with linezolid's prolonged use in tuberculosis treatment has not been determined, limiting the potential impact of this anti-mycobacterial agent. AREAS COVERED This paper aims to review and summarize the current knowledge on linezolid for the treatment of drug-resistant tuberculosis. The focus is on the pharmacokinetic-pharmacodynamic determinants of linezolid's efficacy and toxicity in tuberculosis, and how this relates to defining an optimal dose. Mechanisms of linezolid toxicity and resistance, and the potential role of therapeutic drug monitoring are also covered. Expert commentary: Prospective pharmacokinetic-pharmacodynamic studies are required to define optimal therapeutic targets and to inform improved linezolid dosing strategies for drug-resistant tuberculosis.
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Affiliation(s)
- Sean Wasserman
- a Division of Infectious Diseases and HIV Medicine, Department of Medicine , University of Cape Town , Cape Town , South Africa
| | - Graeme Meintjes
- a Division of Infectious Diseases and HIV Medicine, Department of Medicine , University of Cape Town , Cape Town , South Africa.,b Clinical Infectious Diseases Research Initiative, Institute of Infectious Diseases and Molecular Medicine, Faculty of Health Sciences , University of Cape Town , Cape Town , South Africa
| | - Gary Maartens
- c Division of Clinical Pharmacology, Department of Medicine , University of Cape Town , Cape Town , South Africa
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Mafukidze A, Harausz E, Furin J. An update on repurposed medications for the treatment of drug-resistant tuberculosis. Expert Rev Clin Pharmacol 2016; 9:1331-1340. [DOI: 10.1080/17512433.2016.1208562] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Agyeman AA, Ofori-Asenso R. Efficacy and safety profile of linezolid in the treatment of multidrug-resistant (MDR) and extensively drug-resistant (XDR) tuberculosis: a systematic review and meta-analysis. Ann Clin Microbiol Antimicrob 2016; 15:41. [PMID: 27334498 PMCID: PMC4917997 DOI: 10.1186/s12941-016-0156-y] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 06/08/2016] [Indexed: 12/13/2022] Open
Abstract
Background Treatment options for drug-resistant tuberculosis are still limited. Linezolid has been recommended for treatment of patients with multidrug-resistant (MDR) or extensively-drug-resistant (XDR) tuberculosis, although uncertainties remain regarding its safety and tolerability in these circumstances. Objective To systematically evaluate the existing evidence regarding the efficacy and tolerability of linezolid in the treatment of MDR or XDR tuberculosis. Methods We conducted a systematic review and meta-analysis in accordance with the PRISMA guidelines. Searches were conducted in PubMed, Web of Science and EMBASE followed by direct search of abstracts in the International Journal of Tuberculosis and Lung Disease to retrieve primary studies published between January 2000 and January 2016 assessing linezolid efficacy and safety in the treatment of drug-resistant TB. We evaluated the occurrence of outcomes including culture conversion, treatment success and incidence of adverse events such as myelosuppression and neuropathy. Results Twenty-three (23) studies conducted in fourteen (14) countries and involving 507 patients were retrieved. Only 1 randomized controlled trial was identified and none of the identified studies involved participants from Africa. The pooled proportion for treatment success was 77.36 % (95 % CI = 71.38–82.83 %, I2 = 37.6 %) with culture conversion rate determined as 88.45 % (95 % CI = 83.82–92.38 %, I2 = 45.4 %). There was no strong evidence for both culture conversion (p = 0.0948) and treatment success (p = 0.0695) between linezolid daily doses ≤ 600 and > 600 mg. Only myelosuppression showed a strong statistical significance (p < 0.0001) between dose comparisons. The incidence of neuropathy and other adverse events leading to permanent discontinuation of linezolid also showed no significance upon dose comparisons (p = 0.3213, p = 0.9050 respectively). Conclusion Available evidence presents Linezolid as a viable option in the treatment of MDR/XDR TB although patients ought to be monitored closely for the incidence of major adverse events such as myelosuppression and neuropathy. Additionally, highly powered randomized controlled trials including participants from endemic regions are urgently needed to better inform the magnitude and significance of Linezolid treatment effect in MDR and XDR TB patients. Electronic supplementary material The online version of this article (doi:10.1186/s12941-016-0156-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Akosua Adom Agyeman
- Research Unit, Health Policy Consult, Weija, P. O. Box WJ 537, Accra, Ghana.
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Bolhuis MS, Tiberi S, Sotgiu G, De Lorenzo S, Kosterink JG, van der Werf TS, Migliori GB, Alffenaar JW. Is there still room for therapeutic drug monitoring of linezolid in patients with tuberculosis? Eur Respir J 2016; 47:1288-90. [DOI: 10.1183/13993003.02185-2015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Accepted: 01/04/2016] [Indexed: 11/05/2022]
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Cattaneo D, Alffenaar JW, Neely M. Drug monitoring and individual dose optimization of antimicrobial drugs: oxazolidinones. Expert Opin Drug Metab Toxicol 2016; 12:533-44. [DOI: 10.1517/17425255.2016.1166204] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Dario Cattaneo
- Unit of Clinical Pharmacology, Department of Laboratory Medicine, Luigi Sacco University Hospital, Milan, Italy
| | - Jan-Willem Alffenaar
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Michael Neely
- Laboratory of Applied Pharmacokinetics and Bioinformatics, The Saban Research Institute, Children’s Hospital Los Angeles, Los Angels, CA, USA
- Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angels, CA, USA
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Zuur MA, Bolhuis MS, Anthony R, den Hertog A, van der Laan T, Wilffert B, de Lange W, van Soolingen D, Alffenaar JWC. Current status and opportunities for therapeutic drug monitoring in the treatment of tuberculosis. Expert Opin Drug Metab Toxicol 2016; 12:509-21. [DOI: 10.1517/17425255.2016.1162785] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Marlanka A. Zuur
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Mathieu S. Bolhuis
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Richard Anthony
- Royal Tropical Institute (KIT), KIT Biomedical Research, Amsterdam, The Netherlands
| | - Alice den Hertog
- Royal Tropical Institute (KIT), KIT Biomedical Research, Amsterdam, The Netherlands
| | - Tridia van der Laan
- National Tuberculosis Reference Laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Bob Wilffert
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Pharmacy, section Pharmacotherapy and Pharmaceutical Care, University of Groningen, Groningen, The Netherlands
| | - Wiel de Lange
- University of Groningen, University Medical Center Groningen, Tuberculosis Centre Beatrixoord, Haren, The Netherlands
- Department of Pulmonary Diseases and Tuberculosis, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Dick van Soolingen
- National Tuberculosis Reference Laboratory, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Departments of Pulmonary Diseases and Medical Microbiology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Jan-Willem C. Alffenaar
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Mafukidze AT, Calnan M, Furin J. Peripheral neuropathy in persons with tuberculosis. J Clin Tuberc Other Mycobact Dis 2016; 2:5-11. [PMID: 31768422 PMCID: PMC6852705 DOI: 10.1016/j.jctube.2015.11.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 11/21/2015] [Accepted: 11/24/2015] [Indexed: 12/31/2022] Open
Abstract
Peripheral neuropathy (PN) is a serious condition affecting the nerves that is commonly seen in patients with tuberculosis (TB). Causes of PN in patients with TB are multiple, and can include TB itself, other co-morbid conditions, such as Human Immune-deficiency virus (HIV) disease, malnutrition, or diabetes mellitus (DM), and several anti-tuberculous medications. The condition can manifest with a variety of symptoms, and a diagnosis can usually be made on a clinical basis. Treatment and prognosis of PN vary depending on the underlying cause, but often the condition can lead to permanent disability in individuals with TB. For this reason, primary prevention is key as is early identification and management of symptoms. Treatment can include withdrawal of possible offending agents, vitamin supplementation, physical therapy, analgesics, and targeted agents, including tricyclic antidepressants, selective serotonin reuptake inhibitors, and gabapentin. Additional research is needed to better describe the morbidity and disability associated with PN in persons with TB and to improve management strategies for persons at risk for and affected by this condition. Case review: RM is a 47 year-old man who is in his third month of treatment for drug-resistant TB (DR-TB). His treatment regimen consists of kanamycin (1 gm intramuscular daily), levofloxacin (1000 mg by mouth daily), cycloserine (750 mg by mouth daily), ethionamide (750 mg by mouth daily), pyrazinamide (1500 mg by mouth daily), and Para-Amino Salicylate (12 gm by mouth daily). He is HIV-infected with a CD4 count of 470 cell/µl and on a stable antiretroviral therapy regimen of tenofovir, lamivudine, and efavirenz, which he started 8 weeks ago. He works in a platinum mine, denies smoking, reports drinking beer "on the weekend" and denies other drugs. He presents for his 3 month clinical visit for his DR-TB follow-up and states he is doing well, but he does report some "burning" in the bottom of his feet.
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Affiliation(s)
| | | | - Jennifer Furin
- Harvard Medical School, Department of Global Health and Social Medicine, Boston, MA, USA
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Grard S, Catho G, Valour F, Bouaziz A, Perpoint T, Braun E, Biron F, Miailhes P, Ferry T, Chidiac C, Souquet PJ, Couraud S, Lina G, Goutelle S, Veziris N, Dumitrescu O, Ader F. Linezolid in the Starter Combination for Multidrug-Resistant Tuberculosis: Time to Move on to Group Four? Open Forum Infect Dis 2015; 2:ofv175. [PMID: 26719846 PMCID: PMC4690547 DOI: 10.1093/ofid/ofv175] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 11/06/2015] [Indexed: 11/15/2022] Open
Abstract
Linezolid (LNZ), a group 5 antituberculous drug (unclear efficacy), was used in the starter regimens of 23 adults with multidrug-resistant tuberculosis. The LNZ-containing regimens were effective in achieving culture conversions and relapse-free outcomes. The most frequent LNZ-related side effect was neuropathy. We propose that LNZ should be reclassified among bactericidal second-line drugs.
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Affiliation(s)
| | - Gaud Catho
- Service de Pneumologie et Allergologie Pédiatriques , Hôpital Femme-Mère-Enfant, Hospices Civils de Lyon , Bron ; Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | - Florent Valour
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon ; Institut National de la Santé et de la Recherche Médicale (INSERM) U1111 Centre International de Recherche en Infectiologie (CIRI), Université Claude Bernard Lyon I
| | - Anissa Bouaziz
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | - Thomas Perpoint
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | - Evelyne Braun
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | - François Biron
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | - Patrick Miailhes
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | - Tristan Ferry
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon ; Institut National de la Santé et de la Recherche Médicale (INSERM) U1111 Centre International de Recherche en Infectiologie (CIRI), Université Claude Bernard Lyon I
| | - Christian Chidiac
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon
| | | | | | - Gérard Lina
- Laboratoire de Microbiologie , Centre Hospitalier Lyon Sud, Hospices Civils de Lyon , Pierre Bénite ; Institut National de la Santé et de la Recherche Médicale (INSERM) U1111 Centre International de Recherche en Infectiologie (CIRI), Université Claude Bernard Lyon I
| | - Sylvain Goutelle
- Unité Mixte de Recherche Centre National de la Recherche Scientifique 5558, Laboratoire de Biométrie et Biologie Évolutive , Villeurbanne
| | - Nicolas Veziris
- Assistance Publique-Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Laboratoire de Bactériologie-Hygiène, Centre National de Référence des Mycobactéries et de la Résistance des Mycobactéries aux Antituberculeux, Sorbonne Universités, Unité de Phytopharmacie et Médiateurs Chimiques University Paris 06, CR7, INSERM, U1135, Centre d'Immunologie et des Maladies Infectieuses, Team 13 (Bacteriology) , France
| | - Oana Dumitrescu
- Laboratoire de Microbiologie , Centre Hospitalier Lyon Sud, Hospices Civils de Lyon , Pierre Bénite ; Institut National de la Santé et de la Recherche Médicale (INSERM) U1111 Centre International de Recherche en Infectiologie (CIRI), Université Claude Bernard Lyon I
| | - Florence Ader
- Service de Maladies Infectieuses et Tropicales , Hôpital de la Croix-Rousse, Hospices Civils de Lyon ; Institut National de la Santé et de la Recherche Médicale (INSERM) U1111 Centre International de Recherche en Infectiologie (CIRI), Université Claude Bernard Lyon I
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Contribution of Oxazolidinones to the Efficacy of Novel Regimens Containing Bedaquiline and Pretomanid in a Mouse Model of Tuberculosis. Antimicrob Agents Chemother 2015; 60:270-7. [PMID: 26503656 DOI: 10.1128/aac.01691-15] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 10/16/2015] [Indexed: 11/20/2022] Open
Abstract
New regimens based on two or more novel agents are sought to shorten or simplify treatment of tuberculosis (TB). Pretomanid (PMD) is a nitroimidazole in phase 3 trials that has significant bactericidal activity alone and in combination with bedaquiline (BDQ) and/or pyrazinamide (PZA). We previously showed that the novel combination of BDQ+PMD plus the oxazolidinone sutezolid (SZD) had sterilizing activity superior to that of the first-line regimen in a murine model of TB. The present experiments compared the activity of different oxazolidinones in combination with BDQ+PMD with or without PZA in the same model. The 3-drug regimen of BDQ+PMD plus linezolid (LZD) had sterilizing activity approaching that of BDQ+PMD+SZD and superior to that of the first-line regimen. The addition of PZA further enhanced activity. Reducing the duration of LZD to 1 month did not significantly affect the activity of the regimen. Halving the LZD dose or replacing LZD with RWJ-416457 modestly reduced activity over the first month but not after 2 months. AZD5847 and tedizolid also increased the bactericidal activity of BDQ+PMD, but they were less effective than the other oxazolidinones. These results provide optimism for safe, short-course oral regimens for drug-resistant TB that may also be superior to the current first-line regimen for drug-susceptible TB.
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Bolhuis MS, Tiberi S, Sotgiu G, De Lorenzo S, Kosterink JGW, van der Werf TS, Migliori GB, Alffenaar JWC. Linezolid tolerability in multidrug-resistant tuberculosis: a retrospective study. Eur Respir J 2015; 46:1205-7. [PMID: 26160870 DOI: 10.1183/13993003.00606-2015] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 05/07/2015] [Indexed: 11/05/2022]
Affiliation(s)
- Mathieu S Bolhuis
- Dept of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Simon Tiberi
- Dept of Infection, Barts Healthcare NHS Trust, London, UK
| | - Giovanni Sotgiu
- Clinical Epidemiology and Medical Statistics Unit, Dept of Biomedical Sciences, University of Sassari, Research, Medical Education and Professional Development Unit, AOU Sassari, Italy
| | - Saverio De Lorenzo
- E. Morelli Hospital AOVV, Reference Center for MDR-TB and HIV-TB, Sondalo, Italy
| | - Jos G W Kosterink
- Dept of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands Dept of Pharmacy, Pharmacotherapy and Pharmaceutical Care, University of Groningen, Groningen, The Netherlands
| | - Tjip S van der Werf
- University of Groningen, University Medical Center Groningen, Dept of Internal Medicine, Groningen, The Netherlands University of Groningen, University Medical Center Groningen, Dept of Pulmonary Disease and Tuberculosis, Groningen, The Netherlands
| | - Giovanni Battista Migliori
- WHO Collaborating Centre for Tuberculosis and Lung Diseases, Fondazione S Maugeri, Care and Research Institute, Tradate, Italy
| | - Jan-Willem C Alffenaar
- Dept of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Zhang X, Falagas ME, Vardakas KZ, Wang R, Qin R, Wang J, Liu Y. Systematic review and meta-analysis of the efficacy and safety of therapy with linezolid containing regimens in the treatment of multidrug-resistant and extensively drug-resistant tuberculosis. J Thorac Dis 2015; 7:603-15. [PMID: 25973226 DOI: 10.3978/j.issn.2072-1439.2015.03.10] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Accepted: 01/28/2015] [Indexed: 11/14/2022]
Abstract
BACKGROUND Linezolid containing regimens have been proposed as potentially valuable alternatives for the treatment of patients with multidrug-resistant tuberculosis (MDR-TB) or extensively drug-resistant TB (XDR-TB). METHODS A systematic review and meta-analysis was conducted to assess the efficacy, safety and tolerability of linezolid for drug-resistant TB (DR-TB) treatment. We searched the Cochrane Controlled Trial Registry, PubMed, Embase, Science Citation Index Expanded (SCI) and China National Knowledge Infrastructure (CNKI), database up to May 2014 to identify studies providing data of the use of linezolid for the treatment of DR-TB. RESULTS The search yielded 15 studies (367 patients) including one randomized controlled trial (RCT), covering 239 patients who could be evaluated for effectiveness; 83% [95% confidence interval (CI), 75-90%; I(2)=62.8%] had a favorable outcome, defined as either cure or treatment completion. The pooled rate of culture conversion was 89% (95% CI, 83-95%; I(2)=49.6%). Between the group receiving daily linezolid doses of ≤600 or >600 mg, the mortality was considerably lower in patients treated with less than 600 mg/day (P value <0.001). Of 367 patients for whom data on safety was available, peripheral neuropathy (31%, 95% CI, 19-42%; I(2)=81.7%) and anemia (25%, 95% CI, 15-34%; I(2)=76.6%) were the main adverse effects. Patients receiving less than 600 mg/day were more likely to experience nervous system adverse events (P value <0.01). CONCLUSIONS The available evidence suggests that linezolid could be considered as a promising option as treatment of MDR/XDR TB. Randomized trials are warranted to define the dose and frequency of administration.
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Affiliation(s)
- Xin Zhang
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Matthew E Falagas
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Konstantinos Z Vardakas
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Rui Wang
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Rong Qin
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Jin Wang
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Youning Liu
- 1 Department of Respiratory Medicine, General Hospital of Chinese People's Liberation Army, Beijing 100853, China ; 2 Outpatient Department of Navy Headquarters, Beijing 100841, China ; 3 Alfa Institute of Biomedical Sciences, Athens, Greece ; 4 Department of Clinical Pharmacology, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
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Parize P, Hamelin A, Veziris N, Morand PC, Guillemain R, Lortholary O, Dupin N. Induction therapy with linezolid/clarithromycin combination for Mycobacterium chelonae skin infections in immunocompromised hosts. J Eur Acad Dermatol Venereol 2015; 30:101-5. [PMID: 25677464 DOI: 10.1111/jdv.12965] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 12/15/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND The optimal management of Mycobacterium chelonae disease in immunocompromised patients remains unclear. A combination of antimicrobial agents is recommended as monotherapy with clarithromycin has been associated with clinical failures due to acquired resistance. OBJECTIVES We aim to report the efficacy and tolerability of linezolid in association with clarithromycin for the treatment of M. chelonae infections in immunocompromised patients. METHODS We describe four immunocompromised patients treated by linezolid and clarithromycin for cutaneous M. chelonae disease. RESULTS This combination was associated with rapid clinical efficacy in all patients with no relapse observed after a median follow-up of 2.25 years (1.4 years). However, this treatment was responsible for frequent adverse events including thrombocytopaenia, myalgia and mitochondrial toxicity. All adverse effects were reversible after linezolid discontinuation. CONCLUSIONS We therefore suggest linezolid/clarithromycin combination as the initial therapeutic strategy for M. chelonae skin infections in immunocompromised patients.
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Affiliation(s)
- P Parize
- Service de Maladies Infectieuses et Tropicales, Centre d'Infectiologie Necker-Pasteur, IHU Imagine, Hôpital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, Paris, France
| | - A Hamelin
- Service de Dermatologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, Paris, France
| | - N Veziris
- UPMC Univ Paris 06, CR7, Centre d'Immunologie et des Maladies Infectieuses, CIMI, team E13 (Bacteriology), Sorbonne Universités, Paris, France.,Centre d'Immunologie et des Maladies Infectieuses, CIMI, team E13 (Bacteriology), INSERM, U1135, Paris, France.,Centre National de Référence des Mycobactéries et de la Résistance des Mycobactéries aux Antituberculeux, Bactériologie-Hygiène, AP-HP, Hôpital Pitié-Salpêtrière, Paris, France
| | - P C Morand
- Service de Bactériologie, Hôpital Cochin Assistance, Publique-Hôpitaux de Paris, Université Paris Descartes, Paris, France
| | - R Guillemain
- Réanimation Chirurgicale Cardiovasculaire, Hôpital Européen Georges Pompidou, Université Paris Descartes, Paris, France
| | - O Lortholary
- Service de Maladies Infectieuses et Tropicales, Centre d'Infectiologie Necker-Pasteur, IHU Imagine, Hôpital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, Paris, France
| | - N Dupin
- Service de Dermatologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université Paris Descartes, Paris, France
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Sotgiu G, Centis R, D'ambrosio L, Migliori GB. Tuberculosis treatment and drug regimens. Cold Spring Harb Perspect Med 2015; 5:a017822. [PMID: 25573773 DOI: 10.1101/cshperspect.a017822] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Tuberculosis is an airborne infectious disease treated with combination therapeutic regimens. Adherence to long-term antituberculosis therapy is crucial for maintaining adequate blood drug level. The emergence and spread of drug-resistant Mycobacterium tuberculosis strains are mainly favored by the inadequate medical management of the patients. The therapeutic approach for drug-resistant tuberculosis is cumbersome, because of the poor, expensive, less-effective, and toxic alternatives to the first-line drugs. New antituberculosis drugs (bedaquiline and delamanid) have been recently approved by the health authorities, but they cannot represent the definitive solution to the clinical management of drug-resistant tuberculosis forms, particularly in intermediate economy settings where the prevalence of drug resistance is high (China, India, and former Soviet Union countries). New research and development activities are urgently needed. Public health policies are required to preserve the new and old therapeutic options.
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Affiliation(s)
- Giovanni Sotgiu
- Clinical Epidemiology and Medical Statistics Unit, Department of Biomedical Sciences, University of Sassari, Research, Medical Education and Professional Development Unit, AOU Sassari 07100, Italy
| | - Rosella Centis
- World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Fondazione S. Maugeri, Care and Research Institute, Tradate 21049, Italy
| | - Lia D'ambrosio
- World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Fondazione S. Maugeri, Care and Research Institute, Tradate 21049, Italy
| | - Giovanni Battista Migliori
- World Health Organization Collaborating Centre for Tuberculosis and Lung Diseases, Fondazione S. Maugeri, Care and Research Institute, Tradate 21049, Italy
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Sotgiu G, Centis R, D'Ambrosio L, Castiglia P, Migliori GB. Low minimal inhibitory concentrations of linezolid against multidrug-resistant tuberculosis strains. Eur Respir J 2014; 45:287-9. [DOI: 10.1183/09031936.00135014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Alsultan A, Peloquin CA. Therapeutic Drug Monitoring in the Treatment of Tuberculosis: An Update. Drugs 2014; 74:839-54. [DOI: 10.1007/s40265-014-0222-8] [Citation(s) in RCA: 280] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lange C, Abubakar I, Alffenaar JWC, Bothamley G, Caminero JA, Carvalho ACC, Chang KC, Codecasa L, Correia A, Crudu V, Davies P, Dedicoat M, Drobniewski F, Duarte R, Ehlers C, Erkens C, Goletti D, Günther G, Ibraim E, Kampmann B, Kuksa L, de Lange W, van Leth F, van Lunzen J, Matteelli A, Menzies D, Monedero I, Richter E, Rüsch-Gerdes S, Sandgren A, Scardigli A, Skrahina A, Tortoli E, Volchenkov G, Wagner D, van der Werf MJ, Williams B, Yew WW, Zellweger JP, Cirillo DM. Management of patients with multidrug-resistant/extensively drug-resistant tuberculosis in Europe: a TBNET consensus statement. Eur Respir J 2014; 44:23-63. [PMID: 24659544 PMCID: PMC4076529 DOI: 10.1183/09031936.00188313] [Citation(s) in RCA: 189] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The emergence of multidrug-resistant (MDR) and extensively drug-resistant (XDR) tuberculosis (TB) substantially challenges TB control, especially in the European Region of the World Health Organization, where the highest prevalence of MDR/XDR cases is reported. The current management of patients with MDR/XDR-TB is extremely complex for medical, social and public health systems. The treatment with currently available anti-TB therapies to achieve relapse-free cure is long and undermined by a high frequency of adverse drug events, suboptimal treatment adherence, high costs and low treatment success rates. Availability of optimal management for patients with MDR/XDR-TB is limited even in the European Region. In the absence of a preventive vaccine, more effective diagnostic tools and novel therapeutic interventions the control of MDR/XDR-TB will be extremely difficult. Despite recent scientific advances in MDR/XDR-TB care, decisions for the management of patients with MDR/XDR-TB and their contacts often rely on expert opinions, rather than on clinical evidence. This document summarises the current knowledge on the prevention, diagnosis and treatment of adults and children with MDR/XDR-TB and their contacts, and provides expert consensus recommendations on questions where scientific evidence is still lacking. TBNET consensus statement on the management of patients with MDR/XDR-TB has been released in theEur Respir Jhttp://ow.ly/uizRD
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Affiliation(s)
- Christoph Lange
- For the authors' affiliations see the Acknowledgements section
| | | | | | | | - Jose A Caminero
- For the authors' affiliations see the Acknowledgements section
| | | | - Kwok-Chiu Chang
- For the authors' affiliations see the Acknowledgements section
| | - Luigi Codecasa
- For the authors' affiliations see the Acknowledgements section
| | - Ana Correia
- For the authors' affiliations see the Acknowledgements section
| | - Valeriu Crudu
- For the authors' affiliations see the Acknowledgements section
| | - Peter Davies
- For the authors' affiliations see the Acknowledgements section
| | - Martin Dedicoat
- For the authors' affiliations see the Acknowledgements section
| | | | - Raquel Duarte
- For the authors' affiliations see the Acknowledgements section
| | - Cordula Ehlers
- For the authors' affiliations see the Acknowledgements section
| | - Connie Erkens
- For the authors' affiliations see the Acknowledgements section
| | - Delia Goletti
- For the authors' affiliations see the Acknowledgements section
| | - Gunar Günther
- For the authors' affiliations see the Acknowledgements section
| | - Elmira Ibraim
- For the authors' affiliations see the Acknowledgements section
| | - Beate Kampmann
- For the authors' affiliations see the Acknowledgements section
| | - Liga Kuksa
- For the authors' affiliations see the Acknowledgements section
| | - Wiel de Lange
- For the authors' affiliations see the Acknowledgements section
| | - Frank van Leth
- For the authors' affiliations see the Acknowledgements section
| | - Jan van Lunzen
- For the authors' affiliations see the Acknowledgements section
| | | | - Dick Menzies
- For the authors' affiliations see the Acknowledgements section
| | | | - Elvira Richter
- For the authors' affiliations see the Acknowledgements section
| | | | | | - Anna Scardigli
- For the authors' affiliations see the Acknowledgements section
| | - Alena Skrahina
- For the authors' affiliations see the Acknowledgements section
| | - Enrico Tortoli
- For the authors' affiliations see the Acknowledgements section
| | | | - Dirk Wagner
- For the authors' affiliations see the Acknowledgements section
| | | | - Bhanu Williams
- For the authors' affiliations see the Acknowledgements section
| | - Wing-Wai Yew
- For the authors' affiliations see the Acknowledgements section
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Garcia-Prats AJ, Rose PC, Hesseling AC, Schaaf HS. Linezolid for the treatment of drug-resistant tuberculosis in children: A review and recommendations. Tuberculosis (Edinb) 2014; 94:93-104. [DOI: 10.1016/j.tube.2013.10.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Revised: 10/11/2013] [Accepted: 10/20/2013] [Indexed: 11/30/2022]
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Clinical validation of the analysis of linezolid and clarithromycin in oral fluid of patients with multidrug-resistant tuberculosis. Antimicrob Agents Chemother 2013; 57:3676-80. [PMID: 23689722 DOI: 10.1128/aac.00558-13] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Linezolid plays an increasingly important role in the treatment of multidrug-resistant tuberculosis (MDR-TB). However, patients should be carefully monitored due to time- and dose-dependent toxicity. Clarithromycin plays a more modest role. Therapeutic drug monitoring may contribute to assessment of treatment regimens, helping to reduce toxicity while maintaining adequate drug exposure. Oral fluid sampling could provide a welcome alternative in cases where conventional plasma sampling is not possible or desirable. The aim of this study was to clinically validate the analysis of linezolid and clarithromycin and its metabolite hydroxyclarithromycin in oral fluid of patients with multidrug-resistant tuberculosis. Serum and oral fluid samples were simultaneously obtained and analyzed by using validated methods, after extensive cross-validation between the two matrices. Passing-Bablok regressions and Bland-Altman analysis showed that oral fluid analysis of linezolid and clarithromycin appeared to be suitable for therapeutic drug monitoring in MDR-TB patients. No correction factor is needed for the interpretation of linezolid oral fluid concentrations with a ratio of the linezolid concentration in serum to that in oral fluid of 0.97 (95% confidence interval [CI], 0.92 to 1.02). However, the clarithromycin concentration serum/clarithromycin concentration in oral fluid ratio is 3.07 (95% CI, 2.45 to 3.69). Analysis of hydroxyclarithromycin in oral fluid was not possible in this study due to a nonlinear relationship between the concentration in serum and that in oral fluid. In conclusion, the analysis of linezolid (no correction factor) and clarithromycin (correction factor of 3) in oral fluid is applicable for therapeutic drug monitoring in cases of multidrug-resistant tuberculosis as an alternative to conventional serum sampling. Easy sampling using a noninvasive technique may facilitate therapeutic drug monitoring for specific patient categories.
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Abstract
Despite the efforts made worldwide to reduce the number of cases of drug-susceptible tuberculosis, multidrug-resistant tuberculosis (MDR-TB) constitutes an important public health issue. Around 440,000 new cases of MDR-TB are estimated annually, although in 2008 only 7% of these (29,423 cases) were notified. The laboratory tests for diagnosing resistance may be phenotypic (based on culture growth in the presence of drugs) or genotypic (i.e. identification of the presence of mutations that confer resistance). The urgent need for a rapid means of detecting resistance to anti-TB drugs has resulted in the development of many genotypic methods over recent years. The treatment of MDR-TB is expensive, complex, prolonged (18-24 months) and associated with a higher incidence of adverse reactions. Some basic principles must be observed when prescribing an adequate treatment regimen for MDR-TB: (a) the association of at least four drugs (three of which should not have been used previously); (b) use of a fluoroquinolone; and (c) use of an injectable anti-TB drug. In Brazil, the therapeutic regimen for MDR-TB has been standardized and consists of five drugs: terizidone, levofloxacin, pyrazinamide, ethambutol and an aminoglycoside (streptomycin or amikacin). Pulmonary resection is an important tool in the coadjuvant treatment of MDR-TB. While a recent meta-analysis revealed an average cure rate of MDR-TB of 69%, clinical studies are currently being conducted with new drugs and with drugs already available on the market but with a new indication for TB, with encouraging results that will enable more effective treatment regimens to be planned in the future.
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Targeting multidrug-resistant tuberculosis (MDR-TB) by therapeutic vaccines. Med Microbiol Immunol 2012; 202:95-104. [DOI: 10.1007/s00430-012-0278-6] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2012] [Accepted: 10/25/2012] [Indexed: 10/27/2022]
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41
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Vu DH, Bolhuis MS, Koster RA, Greijdanus B, de Lange WCM, van Altena R, Brouwers JRBJ, Uges DRA, Alffenaar JWC. Dried blood spot analysis for therapeutic drug monitoring of linezolid in patients with multidrug-resistant tuberculosis. Antimicrob Agents Chemother 2012; 56:5758-63. [PMID: 22926568 PMCID: PMC3486591 DOI: 10.1128/aac.01054-12] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Accepted: 08/18/2012] [Indexed: 11/20/2022] Open
Abstract
Linezolid is a promising antimicrobial agent for the treatment of multidrug-resistant tuberculosis (MDR-TB), but its use is limited by toxicity. Therapeutic drug monitoring (TDM) may help to minimize toxicity while adequate drug exposure is maintained. Conventional plasma sampling and monitoring might be hindered in many parts of the world by logistical problems that may be solved by dried blood spot (DBS) sampling. The aim of this study was to develop and validate a novel method for TDM of linezolid in MDR-TB patients using DBS sampling. Plasma, venous DBS, and capillary DBS specimens were obtained simultaneously from eight patients receiving linezolid. A DBS sampling method was developed and clinically validated by comparing DBS with plasma results using Passing-Bablok regression and Bland-Altman analysis. This study showed that DBS analysis was reproducible and robust. Accuracy and between- and within-day precision values from three validations presented as bias and coefficient of variation (CV) were less than 17.2% for the lower limit of quantification and less than 7.8% for other levels. The method showed a high recovery of approximately 95% and a low matrix effect of less than 8.7%. DBS specimens were stable at 37°C for 2 months and at 50°C for 1 week. The ratio of the concentration of linezolid in DBS samples to that in plasma was 1.2 (95% confidence interval [CI], 1.12 to 1.27). Linezolid exposure calculated from concentrations DBS samples and plasma showed good agreement. In conclusion, DBS analysis of linezolid is a promising tool to optimize linezolid treatment in MDR-TB patients. An easy sampling procedure and high sample stability may facilitate TDM, even in underdeveloped countries with limited resources and where conventional plasma sampling is not feasible.
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Affiliation(s)
- D. H. Vu
- University of Groningen, Department of Pharmacotherapy and Pharmaceutical Care, Groningen, The Netherlands
- University of Groningen, University Medical Center Groningen, Department of Hospital and Clinical Pharmacy, Groningen, The Netherlands
- Hanoi University of Pharmacy, Hanoi, Vietnam
| | - M. S. Bolhuis
- University of Groningen, University Medical Center Groningen, Department of Hospital and Clinical Pharmacy, Groningen, The Netherlands
| | - R. A. Koster
- University of Groningen, University Medical Center Groningen, Department of Hospital and Clinical Pharmacy, Groningen, The Netherlands
| | - B. Greijdanus
- University of Groningen, University Medical Center Groningen, Department of Hospital and Clinical Pharmacy, Groningen, The Netherlands
| | - W. C. M. de Lange
- University of Groningen, University Medical Center Groningen, Tuberculosis Center Beatrixoord, Haren, The Netherlands
| | - R. van Altena
- University of Groningen, University Medical Center Groningen, Tuberculosis Center Beatrixoord, Haren, The Netherlands
| | - J. R. B. J. Brouwers
- University of Groningen, Department of Pharmacotherapy and Pharmaceutical Care, Groningen, The Netherlands
| | - D. R. A. Uges
- University of Groningen, University Medical Center Groningen, Department of Hospital and Clinical Pharmacy, Groningen, The Netherlands
| | - J. W. C. Alffenaar
- University of Groningen, University Medical Center Groningen, Department of Hospital and Clinical Pharmacy, Groningen, The Netherlands
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Bolhuis MS, van Altena R, Alffenaar JWC. Comment on: daily 300 mg dose of linezolid for multidrug-resistant and extensively drug-resistant tuberculosis: updated analysis of 51 patients. J Antimicrob Chemother 2012; 67:2055-6; author reply 2056-7. [PMID: 22544851 DOI: 10.1093/jac/dks154] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Susceptibility of clinical Mycobacterium tuberculosis isolates to a potentially less toxic derivate of linezolid, PNU-100480. Antimicrob Agents Chemother 2011; 55:1287-9. [PMID: 21199931 DOI: 10.1128/aac.01297-10] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Susceptibility of clinical Mycobacterium tuberculosis isolates to PNU-100480 and linezolid was evaluated by the MGIT 960 system. The isolates had various susceptibilities to isoniazid (INH), rifampin, ethambutol, and streptomycin. The mean MIC for PNU-100480 was 3.2 times lower than that for linezolid. Therefore, PNU-100480 is a promising candidate to be developed further as an adjunct in the treatment of multidrug- and extensively drug-resistant tuberculosis (MDR/XDR-TB).
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Yashodhara BM, Huat CB, Naik LN, Umakanth S, Hande M, Pappachan JM. Multidrug and extensively drug-resistant tuberculosis from a general practice perspective. Infect Drug Resist 2010; 3:115-22. [PMID: 21694900 PMCID: PMC3108735 DOI: 10.2147/idr.s10743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Indexed: 02/05/2023] Open
Abstract
Despite intensive efforts to eradicate the disease, tuberculosis continues to be a major threat to Indian society, with an estimated prevalence of 3.45 million cases in 2006. Emergence of multidrug-resistant tuberculosis has complicated eradication attempts in recent years. Incomplete and/inadequate treatment are the main causes for development of drug resistance. Directly observed therapy, short-course (DOTS) is the World Health Organization (WHO) strategy for worldwide eradication of tuberculosis, and our country achieved 100% coverage for DOTS through the Revised National Tuberculosis Control Program in 2006. For patients with multidrug-resistant tuberculosis, the WHO recommends a DOTS-Plus treatment strategy. Early detection and prompt treatment of multidrug-resistant tuberculosis is crucial to avoid spread of the disease and also because of the chances of development of potentially incurable extensively drug-resistant tuberculosis in these cases. This review discusses the epidemiologic, diagnostic, and therapeutic aspects of multidrug-resistant tuberculosis, and also outlines the role of primary care doctors in the management of this dangerous disease.
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Affiliation(s)
- BM Yashodhara
- Department of Medicine, Melaka Manipal Medical College, Melaka, India
| | - Choo Beng Huat
- Department of Medicine, Melaka Manipal Medical College, Melaka, India
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