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Penna EA, de Souza JCQ, de Oliveira MAL, Chellini PR. Determination of antimalarial drugs in pharmaceutical formulations and human blood by liquid chromatography: a review. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:4557-4584. [PMID: 34611673 DOI: 10.1039/d1ay01173a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Malaria is a life-threatening disease being treated by oral medication. This is the best treatment to reduce morbidity and mortality, prevent disease progression to the most severe form, lower the transmission of the disease and hinder the appearance of strains resistant to antimalarials. According to the World Health Organization, the most common antimalarial drugs are chloroquine, primaquine, mefloquine, lumefantrine, artemether, and artesunate in single dosage forms or fixed-dose combination. Within this context, the present review aims to show the evolution of different analytical methods that have been applied to the determination of these antimalarial drugs in pharmaceutical formulations and human blood by liquid chromatography in the last 10 years, along with statistical analyses of the methods.
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Affiliation(s)
- Eduarda Alves Penna
- Faculdade de Farmácia, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, Juiz de Fora, MG, 36036-900, Brazil.
| | - Jéssica Cordeiro Queiroz de Souza
- Grupo de Química Analítica e Quimiometria (GQAQ), Departamento de Química, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, Juiz de Fora, MG, 36036-900, Brazil.
| | - Marcone Augusto Leal de Oliveira
- Grupo de Química Analítica e Quimiometria (GQAQ), Departamento de Química, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, Juiz de Fora, MG, 36036-900, Brazil.
| | - Paula Rocha Chellini
- Faculdade de Farmácia, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, Juiz de Fora, MG, 36036-900, Brazil.
- Grupo de Química Analítica e Quimiometria (GQAQ), Departamento de Química, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, Juiz de Fora, MG, 36036-900, Brazil.
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Huang L, Mwebaza N, Kajubi R, Marzan F, Forsman C, Parikh S, Aweeka FT. Strong correlation of lumefantrine concentrations in capillary and venous plasma from malaria patients. PLoS One 2018; 13:e0202082. [PMID: 30114201 PMCID: PMC6095545 DOI: 10.1371/journal.pone.0202082] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 07/27/2018] [Indexed: 11/19/2022] Open
Abstract
Background Lumefantrine is a long-acting antimalarial drug with an elimination half-life of over 3 days and protein binding of 99 percent. Correlation of lumefantrine concentrations from capillary plasma via fingerprick (Cc) versus venous plasma (Cv) remains to be defined. Methods Venous and capillary plasma samples were collected simultaneously from children, pregnant women, and non-pregnant adults at 2, 24, 120hr post last dose of a standard 3-day artemether-lumefantrine regimen they received for uncomplicated malaria. Some of the enrolled children and pregnant women were also HIV-infected. Samples were analyzed via liquid chromatography tandem mass spectrometry. Linear regression analysis was performed using the program Stata® SE12.1. Results In children, the linear regression equations for Cc vs Cv at 2, 24, and 120hr (day 7) post dose are [Cc] = 1.05*[Cv]+95.0 (n = 142, R2 = 0.977), [Cc] = 0.995*[Cv]+56.7 (n = 147, R2 = 0.990) and [Cc] = 0.958*[Cv]+18.6 (n = 139, R2 = 0.994), respectively. For pregnant women, the equations are [Cc] = 1.04*[Cv]+68.1 (n = 43, R2 = 0.990), [Cc] = 0.997*[Cv]+37.3 (n = 43, R2 = 0.993) and [Cc] = 0.941*[Cv]+11.1 (n = 41, R2 = 0.941), respectively. For non-pregnant adults, the equations are [Cc] = 1.05*[Cv]-117 (n = 32, R2 = 0.958), [Cc] = 0.962*[Cv]+9.21 (n = 32, R2 = 0.964) and [Cc] = 1.04*[Cv]-40.1 (n = 32, R2 = 0.988), respectively. In summary, a linear relationship with a slope of ~1 was found for capillary and venous lumefantrine levels in children, pregnant women and non-pregnant adults at 2hr, 24hr and 120hr post last dose, representing absorption, distribution, and elimination phases. Conclusions Capillary and venous plasma concentration of lumefantrine can be used interchangeably at 1:1 ratio. Capillary sampling method via finger prick is a suitable alternative for sample collection in clinical studies.
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Affiliation(s)
- Liusheng Huang
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
- * E-mail: (LH); (FTA)
| | - Norah Mwebaza
- Department of Pharmacology and Therapeutics, Makerere University College of Health Sciences, Kampala, Uganda
- Infectious Diseases Research Collaboration, Kampala, Uganda
| | - Richard Kajubi
- Infectious Diseases Research Collaboration, Kampala, Uganda
| | - Florence Marzan
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
| | - Camilla Forsman
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
| | - Sunil Parikh
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, United States of America
| | - Francesca T. Aweeka
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
- * E-mail: (LH); (FTA)
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Huang L, Carey V, Lindsey JC, Marzan F, Gingrich D, Graham B, Barlow-Mosha L, Ssemambo PK, Kamthunzi P, Nachman S, Parikh S, Aweeka FT. Concomitant nevirapine impacts pharmacokinetic exposure to the antimalarial artemether-lumefantrine in African children. PLoS One 2017; 12:e0186589. [PMID: 29065172 PMCID: PMC5655345 DOI: 10.1371/journal.pone.0186589] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 10/04/2017] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The antiretroviral drug nevirapine and the antimalarial artemisinin-based combination therapy artemether-lumefantrine are commonly co-administered to treat malaria in the context of HIV. Nevirapine is a known inhibitor of cytochrome P450 3A4, which metabolizes artemether and lumefantrine. To address the concern that the antiretroviral nevirapine impacts the antimalarial artemether-lumefantrine pharmacokinetics, a prospective non-randomized controlled study in children presenting with uncomplicated malaria and HIV in sub-Saharan Africa was carried out. METHODS Participants received artemether-lumefantrine (20/120 mg weight-based BID) for 3 days during nevirapine-based antiretroviral therapy (ART) co-administration (158-266 mg/m2 QD). HIV positive participants who were not yet on ART drugs were also enrolled as the control group. The target enrollment was children aged 3-12 years (n = 24 in each group). Intensive pharmacokinetics after the last artemether-lumefantrine dose was assessed for artemether, its active metabolite dihydroartemisinin, and lumefantrine. Pharmacokinetic parameters (area under the plasma concentration vs. time curve (AUC), maximum concentration and day 7 lumefantrine concentrations) were estimated using non-compartmental methods and compared to controls. RESULTS Nineteen children (16 on nevirapine and three not on ART) enrolled. Fifteen of the 16 (aged 4 to 11 years) on nevirapine-based ART were included in the pharmacokinetic analysis. Due to evolving WHO HIV treatment guidelines, insufficient children were enrolled in the control group (n = 3), so the pharmacokinetic data were compared to a historical control group of 20 HIV-uninfected children 5-12 years of age who also presented with malaria and underwent identical study procedures. Decreases of pharmacokinetic exposure [as estimated by AUC (AUC0-8hr)] were marginally significant for artemether (by -46%, p = 0.08) and dihydroartemisinin (-22%, p = 0.06) in the children on nevirapine-based ART, compared to when artemether-lumefantrine was administered alone. Similarly, peak concentration was decreased by 50% (p = 0.07) for artemether and 36% (p = 0.01) for dihydroartemisinin. In contrast, exposure to lumefantrine increased significantly in the context of nevirapine [AUC0-120hr:123% (p<0.001); Cday7:116% (p<0.001), Cmax: 95% (p<0.001)]. CONCLUSIONS Nevirapine-based ART increases the exposure to lumefantrine in pre-pubescent children with a trend toward diminished artemether and dihydroartemisinin exposure. These findings contrast with other studies indicating NVP reduces or results in no change in exposure of antimalarial drugs, and may be specific to this age group (4-12 years). Considering the excellent safety profile of artemether-lumefantrine, the increase in lumefantrine is not of concern. However, the reduction in artemisinin exposure may warrant further study, and suggests that dosage adjustment of artemether-lumefantrine with nevirapine-based ART in children is likely warranted.
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Affiliation(s)
- Liusheng Huang
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
| | - Vincent Carey
- Center for Biostatistics in AIDS Research, Harvard TH Chan School of Public Health, Boston, MA, United States of America
| | - Jane C. Lindsey
- Center for Biostatistics in AIDS Research, Harvard TH Chan School of Public Health, Boston, MA, United States of America
| | - Florence Marzan
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
| | - David Gingrich
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
| | - Bobbie Graham
- Frontier Science and Technology Research Foundation, Buffalo, NY, United States of America
| | | | | | | | - Sharon Nachman
- School of Medicine, Stony Brook University, Stony Brook, NY, United States of America
| | - Sunil Parikh
- Yale School of Public Health, New Haven, CT, United States of America
| | - Francesca T. Aweeka
- Drug Research Unit, Department of Clinical Pharmacy, University of California, San Francisco, CA, United States of America
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Artemether-Lumefantrine Exposure in HIV-Infected Nigerian Subjects on Nevirapine-Containing Antiretroviral Therapy. Antimicrob Agents Chemother 2015; 59:7852-6. [PMID: 26392500 DOI: 10.1128/aac.01153-15] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 09/16/2015] [Indexed: 11/20/2022] Open
Abstract
Coadministration of nevirapine-based antiretroviral therapy (ART) and artemether-lumefantrine is reported to result in variable changes in lumefantrine exposure. We conducted an intensive pharmacokinetic study with 11 HIV-infected adults who were receiving artemether-lumefantrine plus nevirapine-based ART, and we compared the results with those for 16 HIV-negative adult historical controls. Exposure to artemether and lumefantrine was significantly lower and dihydroartemisinin exposure was unchanged in subjects receiving nevirapine-based ART, compared with controls. Nevirapine exposure was unchanged before and after artemether-lumefantrine administration.
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Amin NC, Fabre H, Blanchin MD, Montels J, Aké M. Determination of artemether and lumefantrine in anti-malarial fixed-dose combination tablets by microemulsion electrokinetic chromatography with short-end injection procedure. Malar J 2013; 12:202. [PMID: 23763957 PMCID: PMC3687677 DOI: 10.1186/1475-2875-12-202] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 05/31/2013] [Indexed: 11/19/2022] Open
Abstract
Background Artemether-lumefantrine (AL) combination therapy is now the most used anti-malarial treatment in the world. Quality control of AL formulations is still a major challenge in developing countries. Until now, only liquid chromatographic methods have been reported in the literature for their analysis. Capillary electrophoretic methods, which present various advantages (low price of capillary, low volumes of electrolyte consumption), may be an alternative to liquid chromatography methods. In this paper, a reliable method was developed and validated for the determination of AL in commercial fixed-dose combination tablets commercialized in Côte d’Ivoire. Methods Artemether and lumefantrine were determined by microemulsion electrokinetic chromatography using short-end injection procedure. The two analytes were extracted from tablets by acidified methanol. Pyrimethamine was used as internal standard. Separation was carried out in an uncoated fused silica capillary, 30 cm long × 50 μm internal diameter, using an effective length of 10 cm and a microemulsion composed of octane, butanol, sodium dodecyl sulfate and borate buffer as background electrolyte, a - 500 V.cm-1 electric field and a detection wavelength of 214 nm. Results Artemether, lumefantrine and pyrimethamine were separated in 6 min. The method was reliable with respect to selectivity towards formulation excipients, linearity of the response function (r2 > 0.998), recovery studies from synthetic tablets (in the range 99–101%), repeatability (relative standard deviation 1–3%, n = 7 analytical procedures). Application to four commercial formulations containing 20/120 mg of AL per tablet gave a content in good agreement with the declared content. However, the electropherogram of one tablet formulation showed the presence of an ingredient which was not declared. Conclusion The developed MEEKC method can be proposed as an alternative method to liquid chromatography for the determination of artemether and lumefantrine in fixed-dose combination tablet formulations.
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Maganda B, Heudi O, Cortinovis A, Picard F, Kretz O, Minzi O. A fast and reliable reversed phase high performance liquid chromatography method for simultaneous determination of selected anti-retroviral and lumefantrine in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 919-920:52-60. [PMID: 23411019 DOI: 10.1016/j.jchromb.2013.01.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Revised: 01/10/2013] [Accepted: 01/13/2013] [Indexed: 10/27/2022]
Abstract
A fast and reliable high performance liquid chromatography (HPLC) method with UV diode array detection for simultaneous quantitative analysis of the anti-retroviral drugs, nevirapine (NVP) and efavirenz (EFV) and the anti-malarial, lumefantrine (LUM) in human plasma has been developed and validated. The sample preparation consisted of a plasma protein precipitation with 0.5% acetic acid acetonitrile solution containing the internal standard halofantrine (HALO) prior the LC-analysis. Chromatographic separation was carried out on a Acclaim Polar Advantage C(16), column (150 mm × 4.6 mm, particle size, 3 μm) using a gradient of mobile phase made of 0.01% TFA in 0.1M ammonium acetate (solvent A) and 0.1% TFA in acetonitrile (solvent B). The separation of NVP, EFV, LUM and HALO was achieved within 17 min at a flow rate of 1.0 mL/min and detections were initially performed at three wavelengths, 275 nm (NVP), 255 nm (EFV), and 300 nm (LUM). The method selectivity was demonstrated in six different human plasma batches. In addition, several concomitant drugs were analyzed under our experimental conditions and none of them co-eluted with EFV, NVP and LUM. This demonstrated that our method is highly selective. Calibration graphs plotted with seven concentrations in duplicate for each compound were linear between the selected ranges with a regression coefficient (R(2)) greater than 0.998. Absolute extraction recovery for NVP, EFV and LUM were 99%, 98.6 and 102%, respectively. Inter- and intra-day coefficients of variation for LUM, EFV and NVP were ≤10%. The lower limits of quantification were 0.125 μg/mL for LUM and 0.250 μg/mL for both EFV and NVP. Intra- and inter-assay relative standard deviation values were found to be less than 15% at the concentrations examined (0.125-10.0 μg/mL for LUM and 0.250-15.0 μg/mL for both EFV and NVP). The present method was successfully implemented in Tanzania and only one wavelength (255 nm) was used to measure samples of patients receiving either NVP or EFV in combination with LUM. The concentration found in human plasma samples for all three compounds were within the calibration range. This makes our method particularly applicable and useful to resource-limited settings.
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Affiliation(s)
- Betty Maganda
- Department of Pharmaceutics, School of Pharmacy, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
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Concomitant efavirenz reduces pharmacokinetic exposure to the antimalarial drug artemether-lumefantrine in healthy volunteers. J Acquir Immune Defic Syndr 2013; 61:310-6. [PMID: 22918158 DOI: 10.1097/qai.0b013e31826ebb5c] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The antiretroviral drug efavirenz (EFV) and the antimalarial artemisinin-based combination therapy artemether-lumefantrine (AL) are commonly co-administered to treat HIV and malaria. EFV is a known inducer of cytochrome P450 3A4, which converts artemether to dihydroartemisinin (DHA) that is also active and metabolizes longer acting lumefantrine (LR). A study in healthy volunteers was completed to address the concern that EFV impacts AL pharmacokinetics (PKs). METHODS Adults received AL (80/480 mg twice daily) for 3-days before and during EFV co-administration (600 mg daily for 26 days) with intensive PK for artemether, DHA, and LR conducted after the last AL dose for each period. EFV PK was evaluated with and without AL. PK parameters were estimated using noncompartmental methods. RESULTS Twelve subjects completed the 2-period study. PK exposure for artemether, DHA, and LR [as estimated by the area under the concentration time curve (AUClast)] decreased or trended toward decrease with EFV, compared with when administered alone [-51% (P = 0.084), -46% (P = 0.005), and -21% (P = 0.102), respectively]. Day-7 LR levels, previously deemed predictive of treatment success, were 46% lower (P = 0.002) with EFV, but the LR half-life was unchanged. EFV PK exposure was minimally altered after AL co-administration [AUC0-24 hrs decreased by 17% (P = 0.034)]. CONCLUSIONS Exposure to DHA, but not LR, was significantly lower during EFV-AL co-administration compared with that during administration of AL alone. These findings may have implications for the treatment efficacy of AL, particularly in children. However, the observed modest changes probably do not warrant dosage adjustment during co-administration of AL with EFV.
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Quantification of Lumefantrine in Human Plasma Using LC-MS/MS and Its Application to a Bioequivalence Study. JOURNAL OF PHARMACEUTICS 2013; 2013:437697. [PMID: 26555980 PMCID: PMC4595938 DOI: 10.1155/2013/437697] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2012] [Accepted: 07/18/2012] [Indexed: 11/18/2022]
Abstract
An analytical method based on protein precipitation has been developed and validated for analysis of lumefantrine in human plasma. Artesunate was used as an internal standard for lumefantrine. Inertsil ODS column provided chromatographic separation of analytes followed by detection with mass spectrometry. The method involves simple isocratic chromatographic condition and mass spectrometric detection in the positive ionization mode using an API-3000 system. The total run time was 2.5 minutes. The proposed method has been validated with linear range of 200-20000 ng/mL for lumefantrine. The intrarun and interrun precision values are within 6.66% and 5.56%, respectively, for lumefantrine at the lower limit of quantification level. The overall recovery for lumefantrine and artesunate was 93.16% and 91.05%, respectively. This validated method was used successfully for analysis of plasma samples from a bioequivalence study.
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Wahajuddin, Raju KSR, Taneja I. Bioanalysis of antimalarials using liquid chromatography. Trends Analyt Chem 2013. [DOI: 10.1016/j.trac.2012.09.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Huang L, Li X, Marzan F, Lizak PS, Aweeka FT. Determination of lumefantrine in small-volume human plasma by LC-MS/MS: using a deuterated lumefantrine to overcome matrix effect and ionization saturation. Bioanalysis 2012; 4:157-66. [PMID: 22250798 PMCID: PMC3321395 DOI: 10.4155/bio.11.303] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND To support pediatric study, a method to determine lumefantrine (LF) with small sample volume is needed. Matrix effect (ME) is a daunting issue in LF quantification in human plasma with LC-MS/MS. RESULTS Here we report an LC-MS/MS method with a deuterated LF as the internal standard (IS). Plasma sample (25 µl) was acidified with 5% formic acid prior to extraction with ethyl acetate. The recovery was over 80%. The absolute ME was within the range of 100 ± 8% for both LF and the IS, but cumulative ME was observed via large variation of IS signal. The cumulative ME and ionization saturation were overcome with the co-eluting LF-D(9) as the IS. The linear range of calibration curve was 50-20,000 ng/ml. CONCLUSION ME and ionization saturation was overcome with a deuterated IS. The method utilized a small sample volume, suitable for pediatric study with capillary tube blood collection method.
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Affiliation(s)
- Liusheng Huang
- Drug Research Unit, Department of Clinical Pharmacy, School of Pharmacy, University of California, San Francisco, CA 94110, USA.
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