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Valiulin SV, Onischuk AA, Baklanov AM, Dubtsov SN, Dultseva GG, An’kov SV, Tolstikova TG, Belogorodtsev SN, Schwartz YS. Studies of the Specific Activity of Aerosolized Isoniazid against Tuberculosis in a Mouse Model. Antibiotics (Basel) 2022; 11:antibiotics11111527. [PMID: 36358182 PMCID: PMC9686539 DOI: 10.3390/antibiotics11111527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/20/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
The aerosol inhalation delivery of isoniazid in mice was investigated, and the specific activity of the aerosol form of isoniazid was studied with the mouse model of tuberculosis infection, the M. tuberculosis H37Rv strain. Aerosol delivery was performed using a laminar-flow horizontal nucleation chamber. The inhalation dose was measured in real-time mode using a diffusion aerosol spectrometer. The mean particle diameter was 0.6 ± 0.03 μm, and the inhalation dose was 5–9 mg/kg. Pharmacokinetic measurements were carried out in nose-only and whole-body chambers. Isoniazid concentration in blood serum and its mass in the lungs were measured as a function of time using high-performance liquid chromatography. Studies of the specific activity of aerosolized isoniazid reveal that treatment with the aerosol lead to the complete recovery of the experimental tuberculosis infection as early as after 28 days after the start of inhalation treatment, while in the animals from the group receiving isoniazid per-orally, sole revivable tuberculosis mycobacteria were detected. Histologic examinations show that only a few macrophagal (nonspecific) granulomas without mycobacteria were detected in the spleen after per-oral and aerosol treatment, the number of granulomas on the 28th day being three times smaller in the latter case. The results show that the developed technique of isoniazid aerosol inhalation may have clinical potential.
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Affiliation(s)
- Sergey V. Valiulin
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Correspondence:
| | - Andrey A. Onischuk
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Anatoly M. Baklanov
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Sergey N. Dubtsov
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Galina G. Dultseva
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Sergey V. An’kov
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Tatiana G. Tolstikova
- Voevodsky Institute of Chemical Kinetics & Combustion, Russian Academy of Sciences, 630090 Novosibirsk, Russia
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | | | - Yakov Sh. Schwartz
- Novosibirsk Tuberculosis Research Institute, Novosibirsk, 630040 Novosibirsk, Russia
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Valiulin SV, Onischuk AA, Baklanov AM, Dubtsov SN, An'kov SV, Shkil NN, Nefedova EV, Plokhotnichenko ME, Tolstikova TG, Dolgov AM, Dultseva GG. Aerosol inhalation delivery of cefazolin in mice: Pharmacokinetic measurements and antibacterial effect. Int J Pharm 2021; 607:121013. [PMID: 34419591 DOI: 10.1016/j.ijpharm.2021.121013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/26/2021] [Accepted: 08/11/2021] [Indexed: 11/20/2022]
Abstract
Aerosol inhalation delivery of cefazolin, a broad-spectrum first-generation cephalosporin antibiotic, was investigated. Inhalation system based on ultrasonic nebulizer was developed for the generation of dry cefazolin aerosol within mean particle diameter range 0.5-3.0 μm and mass concentration 0.01-3 μg/cm3. Pharmacokinetic measurements were carried out for the aerosolized form of cefazolin delivered in mice using nose-only chamber. Cefazolin concentrations in blood serum and in the lungs of mice were measured as a function of time by means of high performance liquid chromatography. Body-delivered dose depending on particle size, concentration and inhalation time as well as other pharmacokinetic parameters were determined. The antibacterial effect of aerosolized cefazolin was assessed through the aerosol inhalation treatment of mice infected with Klebsiella pneumoniae. Survival rate for infected mice after the treatment with cefazolin aerosol demonstrated high antibacterial efficiency of the inhalation delivery of cefazolin in comparison with intraperitoneal delivery.
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Affiliation(s)
- S V Valiulin
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
| | - A A Onischuk
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
| | - A M Baklanov
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
| | - S N Dubtsov
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
| | - S V An'kov
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia; Vorozhtsov Institute of Organic Chemistry SB RAS, Novosibirsk 630090, Russia
| | - N N Shkil
- Siberian Federal Scientific Center of Agro-Biotechnologies RAS, Krasnoobsk 630501, Russia
| | - E V Nefedova
- Siberian Federal Scientific Center of Agro-Biotechnologies RAS, Krasnoobsk 630501, Russia
| | - M E Plokhotnichenko
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
| | - T G Tolstikova
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia; Vorozhtsov Institute of Organic Chemistry SB RAS, Novosibirsk 630090, Russia
| | - A M Dolgov
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
| | - G G Dultseva
- Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, 630090, Russia
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Valiulin SV, Onischuk AA, Dubtsov SN, Baklanov AM, An'kov SV, Plokhotnichenko ME, Tolstikova TG, Dultseva GG, Rusinov VL, Charushin VN, Fomin VM. Aerosol Inhalation Delivery of Triazavirin in Mice: Outlooks for Advanced Therapy Against Novel Viral Infections. J Pharm Sci 2021; 110:1316-1322. [PMID: 33249050 PMCID: PMC7833544 DOI: 10.1016/j.xphs.2020.11.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 11/18/2020] [Accepted: 11/18/2020] [Indexed: 01/21/2023]
Abstract
Under pandemic-caused emergency, evaluation of the potential of existing antiviral drugs for the treatment of COVID-19 is relevant. Triazavirin, an antiviral drug developed in Russia for per-oral administration, is involved in clinical trials against SARS-CoV-2 coronavirus. This virus has affinity to epithelial cells in respiratory tract, so drug delivery directly in lungs may enhance therapeutic effect and reduce side effects for stomach, liver, kidneys. We elaborated ultrasonic method of triazavirin aerosol generation and investigated the inhalation delivery of this drug in mice. Mean particle size and number concentration of aerosol used in inhalation experiments are 560 nm and 4 × 105 cm-3, respectively. Aerosol mass concentration is 1.6 × 10-4 mg/cm3. Inhalation for 20 min in a nose-only chamber resulted in 2 mg/kg body delivered dose and 2.6 μg/mL triazavirin concentration in blood plasma. Elimination rate constant determined in aerosol administration experiments was ke = 0.077 min-1, which agrees with the value measured after intravenous delivery, but per-oral administration resulted in considerably lower apparent elimination rate constant of pseudo-first order, probably due to non-linear dependence of absorption rate on triazavirin concentration in gastrointestinal tract. The bioavailability of triazavirin aerosol is found to be 85%, which is about four times higher than for per-oral administration.
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Affiliation(s)
- Sergey V Valiulin
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk 630090, Russia
| | - Andrey A Onischuk
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk 630090, Russia
| | - Sergey N Dubtsov
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk 630090, Russia
| | - Anatoly M Baklanov
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk 630090, Russia
| | - Sergey V An'kov
- Vorozhtsov Institute of Organic Chemistry, SB RAS, Novosibirsk 630090, Russia
| | | | | | - Galina G Dultseva
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk 630090, Russia.
| | - Vladimir L Rusinov
- Postovskii Institute of Organic Synthesis, UrB RAS, Yekaterinburg 620137, Russia
| | - Valery N Charushin
- Postovskii Institute of Organic Synthesis, UrB RAS, Yekaterinburg 620137, Russia
| | - Vasily M Fomin
- Khristianovich Institute of Theoretical and Applied Mechanics, SB RAS, Novosibirsk 630090, Russia
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Khvostov MV, Borisov SA, Tolstikova TG, Dushkin AV, Tsyrenova BD, Chistyachenko YS, Polyakov NE, Dultseva GG, Onischuk AA, An'kov SV. Supramolecular Complex of Ibuprofen with Larch Polysaccharide Arabinogalactan: Studies on Bioavailability and Pharmacokinetics. Eur J Drug Metab Pharmacokinet 2018; 42:431-440. [PMID: 27351190 DOI: 10.1007/s13318-016-0357-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND AND OBJECTIVES In the present work, pharmacological and pharmacokinetic properties of the supramolecular complex of non-steroid anti-inflammatory drug ibuprofen (IBU) with natural polysaccharide arabinogalactan (AG) were studied. The main goals of such complexation were the increase of ibuprofen's bioavailability and decrease its effective dose after oral administration. METHODS The complex with mass ratio as IBU:AG 1:10 was obtained by mechanochemical synthesis and characterized by water solubility, electron microscopy, differential scanning calorimetry, X-ray powder diffraction analysis and 1H-nuclear magnetic resonance spectroscopy. Different animal models of pain and inflammation was used to investigate IBU:AG biological effects. Plasma concentration of IBU and its pharmacokinetic parameters were evaluated after oral introduction. RESULTS It was found that ibuprofen's effective analgesic and anti-inflammatory dose decreased twofold after its introduction as a complex with AG. The reason of this difference is due to the increase of ibuprofen concentration in rats' plasma: C max of IBU at doses of 20 and 40 mg/kg was found as 0.088 and 0.132 μg/ml, whereas C max of IBU in the complex form was 0.103 and 0.160 μg/ml, respectively. CONCLUSIONS Thus, we have shown that complexation of the IBU with AG results in its bioavailability increase, reduction of the effective dose and should decrease toxic side effects.
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Affiliation(s)
- Mikhail V Khvostov
- Laboratory of Pharmacological Research, N.N. Vorozhtsov Institute of Organic Chemistry SB RAS, 9, Lavrentjeva Prospect, 630090, Novosibirsk, Russia.
| | - Sergey A Borisov
- Laboratory of Pharmacological Research, N.N. Vorozhtsov Institute of Organic Chemistry SB RAS, 9, Lavrentjeva Prospect, 630090, Novosibirsk, Russia
| | - Tatjana G Tolstikova
- Laboratory of Pharmacological Research, N.N. Vorozhtsov Institute of Organic Chemistry SB RAS, 9, Lavrentjeva Prospect, 630090, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Alexander V Dushkin
- Institute of Solid State Chemistry and Mechanochemistry SB RAS, Novosibirsk, 630090, Russia
| | - Biligma D Tsyrenova
- Institute of Solid State Chemistry and Mechanochemistry SB RAS, Novosibirsk, 630090, Russia
| | - Yulia S Chistyachenko
- Institute of Solid State Chemistry and Mechanochemistry SB RAS, Novosibirsk, 630090, Russia
| | - Nikolay E Polyakov
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk, 630090, Russia
| | - Galina G Dultseva
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Andrey A Onischuk
- Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk, 630090, Russia.,Novosibirsk State University, Novosibirsk, 630090, Russia
| | - Sergey V An'kov
- Laboratory of Pharmacological Research, N.N. Vorozhtsov Institute of Organic Chemistry SB RAS, 9, Lavrentjeva Prospect, 630090, Novosibirsk, Russia
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Onischuk AA, Vosel SV, Borovkova OV, Baklanov AM, Karasev VV, di Stasio S. Experimental study of homogeneous nucleation from the bismuth supersaturated vapor: evaluation of the surface tension of critical nucleus. J Chem Phys 2012; 136:224506. [PMID: 22713056 DOI: 10.1063/1.4725535] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The homogeneous nucleation of bismuth supersaturated vapor is studied in a laminar flow quartz tube nucleation chamber. The concentration, size, and morphology of outcoming aerosol particles are analyzed by a transmission electron microscope (TEM) and an automatic diffusion battery (ADB). The wall deposit morphology is studied by scanning electron microscopy. The rate of wall deposition is measured by the light absorption technique and direct weighting of the wall deposits. The confines of the nucleation region are determined in the "supersaturation cut-off" measurements inserting a metal grid into the nucleation zone and monitoring the outlet aerosol concentration response. Using the above experimental techniques, the nucleation rate, supersaturation, and nucleation temperature are measured. The surface tension of the critical nucleus and the radius of the surface of tension are determined from the measured nucleation parameters. To this aim an analytical formula for the nucleation rate is used, derived from author's previous papers based on the Gibbs formula for the work of formation of critical nucleus and the translation-rotation correction. A more accurate approach is also applied to determine the surface tension of critical drop from the experimentally measured bismuth mass flow, temperature profiles, ADB, and TEM data solving an inverse problem by numerical simulation. The simulation of the vapor to particles conversion is carried out in the framework of the explicit finite difference scheme accounting the nucleation, vapor to particles and vapor to wall deposition, and particle to wall deposition, coagulation. The nucleation rate is determined from simulations to be in the range of 10(9)-10(11) cm(-3) s(-1) for the supersaturation of Bi(2) dimers being 10(17)-10(7) and the nucleation temperature 330-570 K, respectively. The surface tension σ(S) of the bismuth critical nucleus is found to be in the range of 455-487 mN/m for the radius of the surface of tension from 0.36 to 0.48 nm. The function σ(S) changes weakly with the radius of critical nucleus. The value of σ(S) is from 14% to 24% higher than the surface tension of a flat surface.
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Affiliation(s)
- A A Onischuk
- Institute of Chemical Kinetics and Combustion, Novosibirsk 630090, Russia
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Onischuk AA, Purtov PA, Baklanov AM, Karasev VV, Vosel SV. Evaluation of surface tension and Tolman length as a function of droplet radius from experimental nucleation rate and supersaturation ratio: Metal vapor homogeneous nucleation. J Chem Phys 2006; 124:14506. [PMID: 16409040 DOI: 10.1063/1.2140268] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Zinc and silver vapor homogeneous nucleations are studied experimentally at the temperature from 600 to 725 and 870 K, respectively, in a laminar flow diffusion chamber with Ar as a carrier gas at atmospheric pressure. The size, shape, and concentration of aerosol particles outcoming the diffusion chamber are analyzed by a transmission electron microscope and an automatic diffusion battery. The wall deposit is studied by a scanning electron microscope (SEM). Using SEM data the nucleation rate for both Zn and Ag is estimated as 10(10) cm(-3) s(-1). The dependence of critical supersaturation on temperature for Zn and Ag measured in this paper as well as Li, Na, Cs, Ag, Mg, and Hg measured elsewhere is analyzed. To this aim the classical nucleation theory is extended by the dependence of surface tension on the nucleus radius. The preexponent in the formula for the vapor nucleation rate is derived using the formula for the work of formation of noncritical embryo [obtained by Nishioka and Kusaka [J. Chem. Phys. 96, 5370 (1992)] and later by Debenedetti and Reiss [J. Chem. Phys. 108, 5498 (1998)]] and Reiss replacement factor. Using this preexponent and the Gibbs formula for the work of formation of critical nucleus the dependence of surface tension on the radius R(S) of the surface of tension is evaluated from the nucleation data for above-mentioned metals. For the alkali metals and Ag the surface tension was determined to be a strong function of R(S). For the bivalent metals (Zn, Hg, and Mg) the surface tension was independent of radius in the experimental range. A new formula for the Tolman length delta as a function of surface tension and radius R(S) is derived by integration of Gibbs-Tolman-Koenig equation assuming that delta is a monotonic function of radius. The formula derived is more correct than the Tolman formula and convenient for the elaboration of experimental data. Using this formula the values of delta are determined as a function of R(S) from the experimental nucleation data. It is determined that all the metals considered are characterized by strong dependence of delta on radius; for the bivalent metals delta changes sign.
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Affiliation(s)
- A A Onischuk
- Institute of Chemical Kinetics and Combustion, Novosibirsk 630090, Russia.
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