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Proshin PI, Abdurashitov AS, Sindeeva OA, Ivanova AA, Sukhorukov GB. Additive Manufacturing of Drug-Eluting Multilayer Biodegradable Films. Polymers (Basel) 2022; 14:polym14204318. [PMID: 36297899 PMCID: PMC9611279 DOI: 10.3390/polym14204318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/20/2022] Open
Abstract
Drug-eluting films made of bioresorbable polymers are a widely used tool of modern personalized medicine. However, most currently existing methods of producing coatings do not go beyond the laboratory, as they have low encapsulation efficiency and/or difficulties in scaling up. The PLACE (Printed Layered Adjustable Cargo Encapsulation) technology proposed in this article uses an additive approach for film manufacturing. PLACE technology is accessible, scalable, and reproducible in any laboratory. As a demonstration of the technology capabilities, we fabricated layered drug-eluting polyglycolic acid films containing different concentrations of Cefazolin antibiotic. The influence of the amount of loaded drug component on the film production process and the release kinetics was studied. The specific loading of drugs was significantly increased to 200-400 µg/cm2 while maintaining the uniform release of Cefazolin antibiotic in a dosage sufficient for local antimicrobial therapy for 14 days. The fact that the further increase in the drug amount results in the crystallization of a substance, which can lead to specific defects in the cover film formation and accelerated one-week cargo release, was also shown, and options for further technology development were proposed.
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Affiliation(s)
- Pavel I. Proshin
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
- Correspondence: (P.I.P.); (G.B.S.)
| | - Arkady S. Abdurashitov
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
| | - Olga A. Sindeeva
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
| | - Anastasia A. Ivanova
- Skoltech Center for Petroleum Science and Engineering, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
| | - Gleb B. Sukhorukov
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
- Siberian State Medical University, Moskovskiy Trakt, 2, 634050 Tomsk, Russia
- Correspondence: (P.I.P.); (G.B.S.)
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Sindeeva OA, Abdurashitov AS, Proshin PI, Kadrev AV, Kulikov OA, Shaparov BM, Sorokin NI, Ageev VP, Pyataev NA, Kritskiy A, Tishin A, Kamalov AA, Sukhorukov GB. Ultrasound-Triggerable Coatings for Foley Catheter Balloons for Local Release of Anti-Inflammatory Drugs during Bladder Neck Dilation. Pharmaceutics 2022; 14:pharmaceutics14102186. [PMID: 36297621 PMCID: PMC9609387 DOI: 10.3390/pharmaceutics14102186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/06/2022] [Accepted: 10/09/2022] [Indexed: 11/16/2022] Open
Abstract
Bladder neck contracture (BNC) is a complication of the surgical treatment of benign and malignant prostate conditions and is associated with the partial or complete blockage of urination. Correction of this condition usually requires repeated surgical intervention, which does not guarantee recovery. Balloon dilation is a minimally invasive alternative to the surgical dissection of tissues; however, it significantly reduces the patient’s quality of life. Additional local anti-inflammatory treatment may reduce the number of procedures requested and increase the attractiveness of this therapeutic strategy. Here, we report about an ultrathin biocompatible coating based on polylactic acid for Foley catheter balloons that can provide localized release of Prednol-L in the range of 56–99 µg in the BNC zone under conventional diagnostic ultrasound exposure. Note that the exposure of a transrectal probe with a conventional gray-scale ultrasound regimen with and without shear wave elastography (SWE) was comparably effective for Prednol-L release from the coating surface of a Foley catheter balloon. This strategy does not require additional manipulations by clinicians. The trigger for the drug release is the ultrasound exposure, which is applied for visualization of the balloon’s location during the dilation process. In vivo experiments demonstrated the absence of negative effects of the usage of a coated Foley catheter for balloon dilation of the bladder neck and urethra.
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Affiliation(s)
- Olga A. Sindeeva
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
- Correspondence: (O.A.S.); (G.B.S.)
| | - Arkady S. Abdurashitov
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
| | - Pavel I. Proshin
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
| | - Alexey V. Kadrev
- Ultrasound Diagnostics Department, Medical Research and Educational Center, Lomonosov Moscow State University, 27 Lomonosovsky Ave., 119192 Moscow, Russia
- Diagnostic Ultrasound Division, Russian Medical Academy of Continuous Professional Education, 1 Barrikadnaya Str., 125445 Moscow, Russia
| | - Oleg A. Kulikov
- Institute of Medicine, National Research Ogarev Mordovia State University, 68 Bolshevistskaya Str., 430005 Saransk, Russia
| | - Boris M. Shaparov
- Department of Urology and Andrology, Faculty of Fundamental Medicine, Medical Scientific and Educational Center, Lomonosov Moscow State University, 27 Lomonosovsky Ave., 119192 Moscow, Russia
| | - Nikolay I. Sorokin
- Department of Urology and Andrology, Faculty of Fundamental Medicine, Medical Scientific and Educational Center, Lomonosov Moscow State University, 27 Lomonosovsky Ave., 119192 Moscow, Russia
| | - Valentin P. Ageev
- Institute of Medicine, National Research Ogarev Mordovia State University, 68 Bolshevistskaya Str., 430005 Saransk, Russia
| | - Nikolay A. Pyataev
- Institute of Medicine, National Research Ogarev Mordovia State University, 68 Bolshevistskaya Str., 430005 Saransk, Russia
| | - Aleksandr Kritskiy
- LLC Magnetic Drug Delivery, AMT & C Group, 4 Promyshlennaya Str., Troitsk, 108840 Moscow, Russia
| | - Alexander Tishin
- LLC Magnetic Drug Delivery, AMT & C Group, 4 Promyshlennaya Str., Troitsk, 108840 Moscow, Russia
| | - Armais A. Kamalov
- Department of Urology and Andrology, Faculty of Fundamental Medicine, Medical Scientific and Educational Center, Lomonosov Moscow State University, 27 Lomonosovsky Ave., 119192 Moscow, Russia
| | - Gleb B. Sukhorukov
- A.V. Zelmann Center for Neurobiology and Brain Rehabilitation, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, 121205 Moscow, Russia
- Siberian State Medical University, 2 Moskovskiy Trakt, 634050 Tomsk, Russia
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
- Correspondence: (O.A.S.); (G.B.S.)
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Zhao Z, Si T, Kozelskaya AI, Akimchenko IO, Tverdokhlebov SI, Rutkowski S, Frueh J. Biodegradable magnesium fuel-based Janus micromotors with surfactant induced motion direction reversal. Colloids Surf B Biointerfaces 2022; 218:112780. [PMID: 35988310 DOI: 10.1016/j.colsurfb.2022.112780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/10/2022] [Accepted: 08/15/2022] [Indexed: 11/29/2022]
Abstract
The speed and motion directionality of bubble-propelled micromotors is dependent on bubble lifetime, bubble formation frequency and bubble stabilization. Absence and presence of bubble stabilizing agents should significantly influence speed and propulsion pattern of a micromotor, especially for fast-diffusing molecules like hydrogen. This study demonstrates a fully biodegradable Janus structured micromotor, propelled by hydrogen bubbles generated by the chemical reaction between hydrochloric acid and magnesium. Six different concentrations of hydrochloric acid and five different concentrations of the surfactant Triton X-100 were tested, which also cover the critical micelle concentration at a pH corresponding to an empty stomach. The Janus micromotor reverses its propulsion direction depending on the availability and concentration of a surfactant. Upon surfactant-free condition, the Janus micromotor is propelled by bubble cavitation, causing the micromotor to be pulled at high speed for short time intervals into the direction of the imploding bubble and thus backwards. In case of available surfactant above the critical micelle concentration, the Janus micromotor is pushed forward by the generated bubbles, which emerge at high frequency and form a bubble trail. The finding of the propulsion direction reversal effect demonstrates the importance to investigate the motion properties of artificial micromotors in a variety of different environments prior to application, especially with surfactants, since biological media often contain large amounts of surface-active components.
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Affiliation(s)
- Zewei Zhao
- Faculty of Medicine and Health, Ministry of Education, Harbin Institute of Technology, XiDaZhi Street 92, Mingde Building, Harbin 150001, PR China
| | - Tieyan Si
- School of Physics, Yikuang Street 2, 2H Harbin Institute of Technology, Harbin 150080, PR China
| | - Anna I Kozelskaya
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russian Federation.
| | - Igor O Akimchenko
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russian Federation
| | | | - Sven Rutkowski
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russian Federation.
| | - Johannes Frueh
- Faculty of Medicine and Health, Ministry of Education, Harbin Institute of Technology, XiDaZhi Street 92, Mingde Building, Harbin 150001, PR China; Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russian Federation.
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WPI Hydrogels with a Prolonged Drug-Release Profile for Antimicrobial Therapy. Pharmaceutics 2022; 14:pharmaceutics14061199. [PMID: 35745772 PMCID: PMC9231275 DOI: 10.3390/pharmaceutics14061199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/28/2022] [Accepted: 06/02/2022] [Indexed: 12/10/2022] Open
Abstract
Infectious sequelae caused by surgery are a significant problem in modern medicine due to their reduction of therapeutic effectiveness and the patients’ quality of life.Recently, new methods of local antimicrobial prophylaxis of postoperative sequelae have been actively developed. They allow high local concentrations of drugs to be achieved, increasing the antibiotic therapy’s effectiveness while reducing its side effects. We have developed and characterized antimicrobial hydrogels based on an inexpensive and biocompatible natural substance from the dairy industry—whey protein isolate—as matrices for drug delivery. The release of cefazolin from the pores of hydrogel structures directly depends on the amount of the loaded drug and occurs in a prolonged manner for three days. Simultaneously with the antibiotic release, hydrogel swelling and partial degradation occurs. The WPI hydrogels absorb solvent, doubling in size in three days and retaining cefazolin throughout the duration of the experiment. The antimicrobial activity of cefazolin-loaded WPI hydrogels against Staphylococcus aureus growth is prolonged in comparison to that of the free cefazolin. The overall cytotoxic effect of cefazolin-containing WPI hydrogels is lower than that of free antibiotics. Thus, our work shows that antimicrobial WPI hydrogels are suitable candidates for local antibiotic therapy of infectious surgical sequelae.
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Kan Y, Bondareva JV, Statnik ES, Cvjetinovic J, Lipovskikh S, Abdurashitov AS, Kirsanova MA, Sukhorukhov GB, Evlashin SA, Salimon AI, Korsunsky AM. Effect of Graphene Oxide and Nanosilica Modifications on Electrospun Core-Shell PVA–PEG–SiO2@PVA–GO Fiber Mats. NANOMATERIALS 2022; 12:nano12060998. [PMID: 35335811 PMCID: PMC8950511 DOI: 10.3390/nano12060998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/09/2022] [Accepted: 03/14/2022] [Indexed: 02/06/2023]
Abstract
Electrospinning is a well-established method for the fabrication of polymer biomaterials, including those with core-shell nanofibers. The variability of structures presents a great range of opportunities in tissue engineering and drug delivery by incorporating biologically active molecules such as drugs, proteins, and growth factors and subsequent control of their release into the target microenvironment to achieve therapeutic effect. The object of study is non-woven core-shell PVA–PEG–SiO2@PVA–GO fiber mats assembled by the technology of coaxial electrospinning. The task of the core-shell fiber development was set to regulate the degradation process under external factors. The dual structure was modified with silica nanoparticles and graphene oxide to ensure the fiber integrity and stability. The influence of the nano additives and crosslinking conditions for the composite was investigated as a function of fiber diameter, hydrolysis, and mechanical properties. Tensile mechanical tests and water degradation tests were used to reveal the fracture and dissolution behavior of the fiber mats and bundles. The obtained fibers were visualized by confocal fluorescence microscopy to confirm the continuous core-shell structure and encapsulation feasibility for biologically active components, selectively in the fiber core and shell. The results provide a firm basis to draw the conclusion that electrospun core-shell fiber mats have tremendous potential for biomedical applications as drug carriers, photocatalysts, and wound dressings.
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Affiliation(s)
- Yuliya Kan
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (E.S.S.); (S.L.); (M.A.K.); (A.I.S.)
- Correspondence:
| | - Julia V. Bondareva
- Center for Materials Technologies, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia; (J.V.B.); (S.A.E.)
| | - Eugene S. Statnik
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (E.S.S.); (S.L.); (M.A.K.); (A.I.S.)
| | - Julijana Cvjetinovic
- Center for Photonic Science and Engineering, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia;
| | - Svetlana Lipovskikh
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (E.S.S.); (S.L.); (M.A.K.); (A.I.S.)
| | - Arkady S. Abdurashitov
- Center for Neurobiology and Brain Restoration, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (A.S.A.); (G.B.S.)
| | - Maria A. Kirsanova
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (E.S.S.); (S.L.); (M.A.K.); (A.I.S.)
| | - Gleb B. Sukhorukhov
- Center for Neurobiology and Brain Restoration, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (A.S.A.); (G.B.S.)
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
| | - Stanislav A. Evlashin
- Center for Materials Technologies, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia; (J.V.B.); (S.A.E.)
| | - Alexey I. Salimon
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, 3 Nobel Street, 143026 Moscow, Russia; (E.S.S.); (S.L.); (M.A.K.); (A.I.S.)
| | - Alexander M. Korsunsky
- Multi-Beam Laboratory for Engineering Microscopy (MBLEM), Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, UK;
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