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Li J, Yu Z, Jiang Y, Lao S, Li D. Rare tuberculosis in recipients of allogeneic hematopoietic stem cell transplantation successfully treated with contezolid-a typical case report and literature review. Front Cell Infect Microbiol 2023; 13:1258561. [PMID: 37908760 PMCID: PMC10614019 DOI: 10.3389/fcimb.2023.1258561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/29/2023] [Indexed: 11/02/2023] Open
Abstract
Background Tuberculosis (TB) is a rare but potentially devastating complication in hematopoietic stem cell transplantation (HSCT) recipients. Myelosuppression-related antibiotics should be used cautiously in patients with hematological malignancies, especially those undergoing bone marrow transplantation and receiving bone marrow suppression therapy. Although linezolid has become the recommended drug for severe TB, its hematological toxicity is still an obstacle to its clinical application. Contezolid is a new representative of oxazolidinones in clinical development, showing superior anti-infection efficacy, but there have been no reports on the treatment of post-HSCT TB. Case presentation We reported a patient with acute lymphoblastic leukemia suffered from pulmonary TB infection after HSCT. During anti-TB treatment, the patient had a poor response to linezolid-containing regimen, and developed side effects such as gingival bleeding and thrombocytopenia, so the administration was switched to contezolid. After 15 days of continuous treatment, the patient's platelet increased to 58×109/L, and he was discharged in stable condition. During subsequent anti-TB treatment with contezolid for more than 7 months, the platelets remained stable, and no hematological adverse reactions and no symptoms of peripheral neuropathy were observed. Moreover, repeat imaging showed that the bilateral lung lesions were significantly reduced, indicating a good outcome for the patient. Conclusion This was the first successful case of post-HSCT TB patients treated with contezolid-containing antibiotic management strategies, which exhibited remarkable efficacy and good safety in this deadly disease.
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Affiliation(s)
- Junhong Li
- Department of Critical Care Medicine, Guangzhou Chest Hospital, Guangzhou, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Zhaoxian Yu
- Department of Critical Care Medicine, Guangzhou Chest Hospital, Guangzhou, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Yingyi Jiang
- Department of Critical Care Medicine, Guangzhou Chest Hospital, Guangzhou, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Suihua Lao
- Department of Critical Care Medicine, Guangzhou Chest Hospital, Guangzhou, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Dexian Li
- Department of Critical Care Medicine, Guangzhou Chest Hospital, Guangzhou, China
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
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Chen RH, Michael T, Kuhlin J, Schön T, Stocker S, Alffenaar JWC. Is there a need to optimise pyrazinamide doses in patients with tuberculosis? A systematic review. Int J Antimicrob Agents 2023; 62:106914. [PMID: 37419292 DOI: 10.1016/j.ijantimicag.2023.106914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 06/09/2023] [Accepted: 06/30/2023] [Indexed: 07/09/2023]
Abstract
Pyrazinamide (PZA) is a first-line antituberculosis drug with potent sterilising activity. Variability in drug exposure may translate into suboptimal treatment responses. This systematic review, conducted according to PRISMA guidelines, aimed to evaluate the concentration-effect relationship. In vitro/in vivo studies had to contain information on the infection model, PZA dose and concentration, and microbiological outcome. Human studies had to present information on PZA dose, measures of drug exposure and maximum concentration, and microbiological response parameter or overall treatment outcome. A total of 34 studies were assessed, including in vitro (n = 2), in vivo (n = 3) and clinical studies (n = 29). Intracellular and extracellular models demonstrated a direct correlation between PZA dose of 15-50 mg/kg/day and reduction in bacterial count between 0.50-27.7 log10 CFU/mL. Consistent with this, higher PZA doses (>150 mg/kg) were associated with a greater reduction in bacterial burden in BALB/c mice models. Human pharmacokinetic studies displayed a linear positive correlation between PZA dose (i.e. 21.4-35.7 mg/kg/day) and drug exposure (AUC range 220.6-514.5 mg·h/L). Additionally, human studies confirmed a dose-effect relationship, with an increased 2-month sputum culture conversion rate at AUC/MIC targets of 8.4-11.3 with higher exposure/susceptibility ratios leading to greater efficacy. A 5-fold variability in AUC was observed at PZA dose of 25 mg/kg. A direct concentration-effect relationship and increased treatment efficacy with higher PZA exposure to susceptibility ratios was observed. Taking into account variability in drug exposure and treatment response, further studies on dose optimisation are justified.
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Affiliation(s)
- Ricky Hao Chen
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Toni Michael
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Johanna Kuhlin
- Karolinska Institutet, Department of Medicine Solna, Division of Infectious Diseases, Stockholm, Sweden; Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Thomas Schön
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Infectious Diseases, Linköping University Hospital, Linköping, Sweden; Department of Infectious Diseases, Kalmar County Hospital, Linköping University, Kalmar, Sweden
| | - Sophie Stocker
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Department of Clinical Pharmacology & Toxicology, St Vincent's Hospital, Sydney, NSW, Australia; School of Clinical Medicine, St Vincent's Healthcare Clinical Campus, Faculty of Medicine and Health, The University of New South Wales, Sydney, NSW, Australia; Sydney Institute for Infectious Diseases, University of Sydney, Sydney, NSW, Australia
| | - Jan-Willem C Alffenaar
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Westmead Hospital, Sydney, NSW, Australia; Sydney Institute for Infectious Diseases, University of Sydney, Sydney, NSW, Australia.
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Sileshi T, Mekonen G, Makonnen E, Aklillu E. Effect of Genetic Variations in Drug-Metabolizing Enzymes and Drug Transporters on the Pharmacokinetics of Rifamycins: A Systematic Review. Pharmgenomics Pers Med 2022; 15:561-571. [PMID: 35693129 PMCID: PMC9176238 DOI: 10.2147/pgpm.s363058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 05/23/2022] [Indexed: 11/23/2022] Open
Abstract
Background Rifamycins are a novel class of antibiotics clinically approved for tuberculosis chemotherapy. They are characterized by high inter-individual variation in pharmacokinetics. This systematic review aims to present the contribution of genetic variations in drug-metabolizing enzymes and transporter proteins to the inter-individual variation of rifamycin pharmacokinetics. Method We followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement guidelines. The search for relevant studies was done through PubMed, Embase, Web of Science, and Scopus databases. Studies reporting single nucleotide polymorphism in drug transporters and metabolizing enzymes' influence on rifamycin pharmacokinetics were solely included. Two reviewers independently performed data extraction. Results The search identified 117 articles of which 15 fulfilled the eligibility criteria and were included in the final data synthesis. The single nucleotides polymorphism in the drug transporters SLCO1B1 rs4149032, rs2306283, rs11045819, and ABCB1 rs1045642 for rifampicin, drug metabolizing enzyme AADAC rs1803155 for rifapentine and CES2 c.-22263A>G (g.738A>G) for rifampicin partly contributes to the variability of pharmacokinetic parameters in tuberculosis patients. Conclusion The pharmacokinetics of rifamycins is influenced by genetic variation of drug-metabolizing enzymes and transporters. Controlled clinical studies are, however, required to establish these relationships.
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Affiliation(s)
- Tesemma Sileshi
- Department of Pharmacy, Ambo University, Ambo, Ethiopia
- Department of Pharmacology and Clinical Pharmacy, Addis Ababa University, Addis Ababa, Ethiopia
| | | | - Eyasu Makonnen
- Department of Pharmacology and Clinical Pharmacy, Addis Ababa University, Addis Ababa, Ethiopia
- Center for Innovative Drug Development and Therapeutic Trials for Africa (CDT-Africa), Addis Ababa University, Addis Ababa, Ethiopia
| | - Eleni Aklillu
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
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Prediction of lung exposure to anti-tubercular drugs using plasma pharmacokinetic data: implications for dose selection. Eur J Pharm Sci 2022; 173:106163. [DOI: 10.1016/j.ejps.2022.106163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 12/28/2021] [Accepted: 03/02/2022] [Indexed: 01/08/2023]
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