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Feng C, Sun C, Ho EA. Bacteria-responsive drug release platform for the local treatment of bacterial vaginosis. NANOTECHNOLOGY 2024; 35:475101. [PMID: 39163877 DOI: 10.1088/1361-6528/ad7143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Accepted: 08/20/2024] [Indexed: 08/22/2024]
Abstract
Bacterial vaginosis (BV) is a common vaginal infection affecting millions of women. Vaginal anaerobic dysbiosis occurs whenLactobacillusspp., the dominant flora in healthy vagina is replaced by certain overgrown anaerobes, resulting in unpleasant symptoms such as vaginal discharge and odor. With a high recurrence rate, BV also severely impacts the overall quality of life of childbearing women by inducing preterm delivery and increasing the risks of pelvic inflammatory disease and sexually transmitted infections. Among various BV-associated bacteria,Gardnerella vaginalis(G. vaginalis) has been identified as a primary pathogen since it has been isolated from almost all women carrying BV and exhibits higher virulence potential over other bacteria. When dealing with BV relapse, intravaginal drug delivery systems are superior to conventional oral antibiotic therapies in improving therapeutic efficacy owing to more effective drug dose, reduced drug resistance and minimized side effects such as stomach irritation. Traditional intravaginal drug administration generally involves solids, semi-solids and delivery devices inserted into the vaginal lumen to achieve sustained drug release. However, they are mostly designed for continuous drug release and are not preventative therapies, resulting in severe side effects caused by excess dosing. Stimuli-responsive systems that can release drug only when needed ('on-demand') can help diminish these negative side effects. Hence, we developed a bacteria-responsive liposomal platform for the prevention and treatment of BV. This platform demonstrated sustained drug release in the presence of vaginolysin, a toxin secreted specifically byG. vaginalis. We prepared four liposome formulations and evaluated their responsiveness toG. vaginalis. The results demonstrated that the liposome formulations could achieve cumulative drug release ranging from 46.7% to 51.8% over a 3-5 d period in response toG. vaginalisand hardly any drug release in the presence ofLactobacillus crispatus(L. crispatus), indicating the high specificity of the system. Overall, the bacteria-responsive drug release platform has great potential, since it will be the first time to realize sustained drug release stimulated by a specific pathogen for BV prevention and treatment. This on-demand therapy can potentially provide relief to the millions of women affected by BV.
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Affiliation(s)
- Chuying Feng
- School of Pharmacy, Faculty of Science, University of Waterloo, Kitchener, Ontario, Canada
| | - Chen Sun
- School of Pharmacy, Faculty of Science, University of Waterloo, Kitchener, Ontario, Canada
| | - Emmanuel A Ho
- School of Pharmacy, Faculty of Science, University of Waterloo, Kitchener, Ontario, Canada
- Waterloo Institute for Nanotechnology, Waterloo, Ontario, Canada
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2
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Tomás M, Sousa LGV, Oliveira AS, Gomes CP, Palmeira-de-Oliveira A, Cavaleiro C, Salgueiro L, Cerca N, Martinez-de-Oliveira J, Palmeira-de-Oliveira R. Vaginal Sheets with Thymbra capitata Essential Oil for the Treatment of Bacterial Vaginosis: Design, Characterization and In Vitro Evaluation of Efficacy and Safety. Gels 2023; 9:gels9040293. [PMID: 37102907 PMCID: PMC10137747 DOI: 10.3390/gels9040293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/05/2023] Open
Abstract
We aimed to incorporate Thymbra capitata essential oil (TCEO), a potent antimicrobial natural product against bacterial vaginosis (BV)-related bacteria, in a suitable drug delivery system. We used vaginal sheets as dosage form to promote immediate relief of the typical abundant vaginal discharge with unpleasant odour. Excipients were selected to promote the healthy vaginal environment reestablishment and bioadhesion of formulations, while the TCEO acts directly on BV pathogens. We characterized vaginal sheets with TCEO in regard to technological characterization, predictable in vivo performance, in vitro efficacy and safety. Vaginal sheet D.O (acid lactic buffer, gelatine, glycerine, chitosan coated with TCEO 1% w/w) presented a higher buffer capacity and ability to absorb vaginal fluid simulant (VFS) among all vaginal sheets with EO, showing one of the most promising bioadhesive profiles, an excellent flexibility and structure that allow it to be easily rolled for application. Vaginal sheet D.O with 0.32 µL/mL TCEO was able to significantly reduce the bacterial load of all in vitro tested Gardnerella species. Although vaginal sheet D.O presented toxicity at some concentrations, this product was developed for a short time period of treatment, so this toxicity can probably be limited or even reversed when the treatment ends.
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Affiliation(s)
- Mariana Tomás
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Lúcia G. V. Sousa
- Laboratory of Research in Biofilms Rosário Oliveira (LIBRO), Centre of Biological Engineering (CEB), University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Ana Sofia Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Carolina P. Gomes
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Ana Palmeira-de-Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
- Labfit-HPRD Health Products Research and Development, Lda Edifício UBIMedical, Estrada Municipal 506, 6200-281 Covilhã, Portugal
| | - Carlos Cavaleiro
- CIEPQPF, Chemical Process Engineering and Forest Products Research Centre, University of Coimbra, 3030-790 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Lígia Salgueiro
- CIEPQPF, Chemical Process Engineering and Forest Products Research Centre, University of Coimbra, 3030-790 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Nuno Cerca
- Laboratory of Research in Biofilms Rosário Oliveira (LIBRO), Centre of Biological Engineering (CEB), University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - José Martinez-de-Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Rita Palmeira-de-Oliveira
- CICS-UBI, Health Sciences Research Center, Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
- Labfit-HPRD Health Products Research and Development, Lda Edifício UBIMedical, Estrada Municipal 506, 6200-281 Covilhã, Portugal
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Mohan S, Wal P, Pathak K, Khandai M, Behl T, Alhazmi HA, Khuwaja G, Khalid A. Nanosilver-functionalized polysaccharides as a platform for wound dressing. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:54385-54406. [PMID: 36961636 DOI: 10.1007/s11356-023-26450-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
Polysaccharides that are naturally sourced have enormous promise as wound dressings, due to their wider availability and reasonable cost and good biocompatibility. Furthermore, nanosilver extensively applied in wound treatment is attributed to its broad spectrum of antimicrobial effects and lesser drug resistance. Consequently, wound dressings in corporating nanosilver have attracted wide-scale interest in wound healing, and nanosilver-functionalized polysaccharide-based wound dressings present an affordable option for healing of chronic wounds. This review encompasses preparation methods, classification, and antibacterial performances of nanosilver wound dressings. The prospective research arenas of nanosilver-based wound polysaccharide dressings are also elaborated. The review attempts to include a summary of the most recent advancements in silver nanotechnology as well as guidance for the investigation of nanosilver-functionalized polysaccharide-based wound dressings.
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Affiliation(s)
- Syam Mohan
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan, Saudi Arabia
- Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Science, Saveetha University, Chennai, India
| | - Pranay Wal
- Pharmacy, Pranveer Singh Institute of Technology, National Highway-2, Bhauti Road, Kanpur, India
| | - Kamla Pathak
- Faculty of Pharmacy, Uttar Pradesh University of Medical Sciences, Etawah, India
| | | | - Tapan Behl
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India.
| | - Hassan A Alhazmi
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan, Saudi Arabia
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Gulrana Khuwaja
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan, Saudi Arabia
- Medicinal and Aromatic Plants and Traditional Medicine Research Institute, National Center for Research, P. O. Box 2404, Khartoum, Sudan
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Patel R, Yadav BK, Patel G. Progresses in Nano-Enabled Platforms for the Treatment of Vaginal Disorders. RECENT PATENTS ON NANOTECHNOLOGY 2023; 17:208-227. [PMID: 35762539 DOI: 10.2174/1872210516666220628150447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/05/2022] [Accepted: 05/12/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The most common vaginal disorders are within the uterus. According to the latest statistics, vaginal disorders occur in 50% to 60% of females. Although curative treatments rely on surgical therapy, still first-line treatment is a non invasive drug. Conventional therapies are available in the oral and parenteral route, leading to nonspecific targeting, which can cause dose-related side effects. Vaginal disorders are localized uterine disorders in which intrauterine delivery via the vaginal site is deemed the preferable route to mitigate clinical drug delivery limitations. OBJECTIVE This study emphasizes the progress of site-specific and controlled delivery of therapeutics in the treatment of vaginal disorders and systemic adverse effects as well as the therapeutic efficacy. METHODS Related research reports and patents associated with topics are collected, utilized, and summarized the key findings. RESULTS The comprehensive literature study and patents like (US 9393216 B2), (JP6672370B2), and (WO2018041268A1) indicated that nanocarriers are effective above traditional treatments and have some significant efficacy with novelty. CONCLUSION Nowadays, site-specific and controlled delivery of therapeutics for the treatment of vaginal disorders is essential to prevent systemic adverse effects and therapeutic efficacy would be more effective. Nanocarriers have therefore been used to bypass the problems associated with traditional delivery systems for the vaginal disorder.
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Affiliation(s)
- Riya Patel
- Department of Pharmaceutics, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, Changa, Gujarat 388421, India
| | - Bindu Kumari Yadav
- Department of Pharmaceutics, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, Changa, Gujarat 388421, India
| | - Gayatri Patel
- Department of Pharmaceutics, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, Changa, Gujarat 388421, India
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Pacheco-Quito EM, Bedoya LM, Rubio J, Tamayo A, Ruiz-Caro R, Veiga MD. Layer-by-Layer Vaginal Films for Acyclovir Controlled Release to Prevent Genital Herpes. Int J Pharm 2022; 627:122239. [PMID: 36179927 DOI: 10.1016/j.ijpharm.2022.122239] [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: 07/06/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 10/31/2022]
Abstract
Genital herpes is one of the most common sexually transmitted infections worldwide. It mainly affects women, as the rate of sexual transmission from male-to-female is higher than from female-to-male. The application of vaginal antivirals drugs could reduce the prevalence of genital herpes and prevent future infections. Layer-by-layer vaginal films were prepared by the solvent evaporation method using iota-carrageenan, hydroxypropyl methylcellulose and the polymethacrylates Eudragit® RS PO and Eudragit® S100, for the controlled release of acyclovir. The films were characterized by texture analysis and Raman spectroscopy. Swelling, mucoadhesion, and drug release studies were conducted in simulated vaginal fluid. The results show that Layer-by-Layer films exhibited adequate mechanical properties. The structuring of the layer-by-layer films allowed the controlled release of acyclovir and produced a prolonged mucoadhesion residence time of up to 192h. The films formed in layer 2 by the combination of Eudragit® RS PO and S100 showed a controlled release of acyclovir for eight days, and adequate mechanical properties. These promising formulations for the prevention of genital herpes deserve further evaluation.
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Affiliation(s)
- Edisson-Mauricio Pacheco-Quito
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Luis-Miguel Bedoya
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Juan Rubio
- Institute of Ceramics and Glass, Spanish National Research Council, C/ Kelsen 5, 28049 Madrid, Spain
| | - Aitana Tamayo
- Institute of Ceramics and Glass, Spanish National Research Council, C/ Kelsen 5, 28049 Madrid, Spain
| | - Roberto Ruiz-Caro
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
| | - María-Dolores Veiga
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
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Carrageenan‐based Hybrids with Biopolymers and Nano‐structured Materials for Biomimetic Applications. STARCH-STARKE 2022. [DOI: 10.1002/star.202200018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Biswas A, Mondal S, Das SK, Bose A, Thomas S, Ghosal K, Roy S, Provaznik I. Development and Characterization of Natural Product Derived Macromolecules Based Interpenetrating Polymer Network for Therapeutic Drug Targeting. ACS OMEGA 2021; 6:28699-28709. [PMID: 34746564 PMCID: PMC8567264 DOI: 10.1021/acsomega.1c03363] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 09/24/2021] [Indexed: 05/12/2023]
Abstract
Interpenetrating polymer network (IPN)-based bead formulations were exploited by cross-linking different hydrophilic polymers in different combinations and at different ratios. Polyvinyl alcohol, xanthan gum, guar gum, gellan gum, and sodium alginate (Na-alginate) were used in this work as hydrophilic polymers to enhance the solubility of diclofenac sodium and also to target the delivery at preferred locations. IPN beads based on polysaccharides were prepared by the ionic gelation method. Differential scanning calorimetry, powder X-ray diffraction, scanning electron microscopy, and Fourier transform infrared spectroscopy data showed that the IPN microbeads solubilized and encapsulated the drug within the network. We found over 83% encapsulation efficiency of the drug delivery system for the drug, and this efficiency increased with the concentration of the polymer. Ex vivo experiments using the goat intestine revealed that the IPN microbeads were able to adhere to the intestinal epithelium, a mucoadhesive behavior that could be beneficial to the drug pharmacokinetics, while in vitro experiments in phosphate buffer showed that the IPN enabled significant drug release. We believe that these IPN microbeads are an excellent drug delivery system to solubilize drug molecules and ensure adhesion to the intestinal wall, thereby localizing the drug release to enhance bioavailability of poorly soluble drugs.
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Affiliation(s)
- Avirup Biswas
- Pharmaceutical
Biotechnology, Manipal College of Pharmaceutical
Sciences, Madhav Nagar, Manipal, Manipal, Karnataka 576104, India
| | - Sancharee Mondal
- Dr.
B. C. Roy College of Pharmacy and AHS, Durgapur 713206, India
| | | | - Anindya Bose
- School
of Pharmaceutical Sciences (SPS), Siksha
O Anusandhan University, Kalinganagar, Bhubaneswar, Odisha 751003, India
| | - Sabu Thomas
- IIUCNN, Mahatma Gandhi University, Kottayam, Kerala 686560, India
| | - Kajal Ghosal
- Division
of Pharmaceutics, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India
| | - Sudeep Roy
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno 61600, Czech Republic
| | - Ivo Provaznik
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno 61600, Czech Republic
- Department
of Physiology, Faculty of Medicine, Masaryk
University, Brno 62500, Czech Republic
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8
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Sayar Dogahe K, Akbari S, Haghighat Kish M. Physico‐mechanical properties of poly (vinyl alcohol), poly (vinyl alcohol)/boric acid, and poly (vinyl alcohol) nanocomposites incorporated with amino‐functionalized and pristine halloysite nanotubes films. J Appl Polym Sci 2021. [DOI: 10.1002/app.51424] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kourosh Sayar Dogahe
- Textile Engineering Department School of Materials and Advanced Processes Engineering, Amirkabir University of Technology (Tehran Polytechnic) Tehran Iran
| | - Somaye Akbari
- Textile Engineering Department School of Materials and Advanced Processes Engineering, Amirkabir University of Technology (Tehran Polytechnic) Tehran Iran
| | - Mohammad Haghighat Kish
- Textile Engineering Department School of Materials and Advanced Processes Engineering, Amirkabir University of Technology (Tehran Polytechnic) Tehran Iran
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Osmałek T, Froelich A, Jadach B, Tatarek A, Gadziński P, Falana A, Gralińska K, Ekert M, Puri V, Wrotyńska-Barczyńska J, Michniak-Kohn B. Recent Advances in Polymer-Based Vaginal Drug Delivery Systems. Pharmaceutics 2021; 13:884. [PMID: 34203714 PMCID: PMC8232205 DOI: 10.3390/pharmaceutics13060884] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 11/16/2022] Open
Abstract
The vagina has been considered a potential drug administration route for centuries. Most of the currently marketed and investigated vaginal formulations are composed with the use of natural or synthetic polymers having different functions in the product. The vaginal route is usually investigated as an administration site for topically acting active ingredients; however, the anatomical and physiological features of the vagina make it suitable also for drug systemic absorption. In this review, the most important natural and synthetic polymers used in vaginal products are summarized and described, with special attention paid to the properties important in terms of vaginal application. Moreover, the current knowledge on the commonly applied and innovative dosage forms designed for vaginal administration was presented. The aim of this work was to highlight the most recent research directions and indicate challenges related to vaginal drug administrations. As revealed in the literature overview, intravaginal products still gain enormous scientific attention, and novel polymers and formulations are still explored. However, there are research areas that require more extensive studies in order to provide the safety of novel vaginal products.
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Affiliation(s)
- Tomasz Osmałek
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Anna Froelich
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Barbara Jadach
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Adam Tatarek
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Piotr Gadziński
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Aleksandra Falana
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Kinga Gralińska
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Michał Ekert
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, 60-780 Poznań, Poland; (A.F.); (B.J.); (A.T.); (P.G.); (A.F.); (K.G.); (M.E.)
| | - Vinam Puri
- Department of Pharmaceutics, William Levine Hall, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Life Sciences Building, New Jersey Center for Biomaterials, Piscataway, NJ 08854, USA; (V.P.); (B.M.-K.)
| | - Joanna Wrotyńska-Barczyńska
- Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznan University of Medical Sciences, 33 Polna St., 60-535 Poznań, Poland;
| | - Bozena Michniak-Kohn
- Department of Pharmaceutics, William Levine Hall, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Life Sciences Building, New Jersey Center for Biomaterials, Piscataway, NJ 08854, USA; (V.P.); (B.M.-K.)
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Qureshi D, Sahoo A, Mohanty B, Anis A, Kulikouskaya V, Hileuskaya K, Agabekov V, Sarkar P, Ray SS, Maji S, Pal K. Fabrication and Characterization of Poly (vinyl alcohol) and Chitosan Oligosaccharide-Based Blend Films. Gels 2021; 7:55. [PMID: 34066326 PMCID: PMC8162339 DOI: 10.3390/gels7020055] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/13/2021] [Accepted: 04/21/2021] [Indexed: 02/02/2023] Open
Abstract
In the present study, we report the development of poly (vinyl alcohol) (PVA) and chitosan oligosaccharide (COS)-based novel blend films. The concentration of COS was varied between 2.5-10.0 wt% within the films. The inclusion of COS added a brown hue to the films. FTIR spectroscopy revealed that the extent of intermolecular hydrogen bonding was most prominent in the film that contained 5.0 wt% of COS. The diffractograms showed that COS altered the degree of crystallinity of the films in a composition-dependent manner. As evident from the thermal analysis, COS content profoundly impacted the evaporation of water molecules from the composite films. Stress relaxation studies demonstrated that the blend films exhibited more mechanical stability as compared to the control film. The impedance profiles indicated the capacitive-dominant behavior of the prepared films. Ciprofloxacin HCl-loaded films showed excellent antimicrobial activity against Escherichia coli and Bacillus cereus. The prepared films were observed to be biocompatible. Hence, the prepared PVA/COS-based blend films may be explored for drug delivery applications.
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Affiliation(s)
- Dilshad Qureshi
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela 769008, India; (D.Q.); (A.S.); (S.S.R.)
| | - Ayasharani Sahoo
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela 769008, India; (D.Q.); (A.S.); (S.S.R.)
| | | | - Arfat Anis
- SABIC Polymer Research Center, Department of Chemical Engineering, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Viktoryia Kulikouskaya
- The Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (V.K.); (K.H.); (V.A.)
| | - Kseniya Hileuskaya
- The Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (V.K.); (K.H.); (V.A.)
| | - Vladimir Agabekov
- The Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (V.K.); (K.H.); (V.A.)
| | - Preetam Sarkar
- Department of Food Process Engineering, National Institute of Technology, Rourkela 769008, India;
| | - Sirsendu Sekhar Ray
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela 769008, India; (D.Q.); (A.S.); (S.S.R.)
| | - Samarendra Maji
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, India
| | - Kunal Pal
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela 769008, India; (D.Q.); (A.S.); (S.S.R.)
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11
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Design, fabrication and characterisation of drug-loaded vaginal films: State-of-the-art. J Control Release 2020; 327:477-499. [DOI: 10.1016/j.jconrel.2020.08.032] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/17/2020] [Accepted: 08/18/2020] [Indexed: 01/08/2023]
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12
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Novel interpenetrating polymeric network based microbeads for delivery of poorly water soluble drug. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02077-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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13
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Gendelman HE, McMillan J, Bade AN, Edagwa B, Kevadiya BD. The Promise of Long-Acting Antiretroviral Therapies: From Need to Manufacture. Trends Microbiol 2019; 27:593-606. [PMID: 30981593 DOI: 10.1016/j.tim.2019.02.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/19/2019] [Accepted: 02/27/2019] [Indexed: 12/30/2022]
Abstract
Antiretroviral therapy has transformed human immunodeficiency virus infections from certain death to a manageable chronic disease. Achieving strict adherence to drug regimens that limit toxicities and viral resistance is an achievable goal. Success is defined by halting viral transmission and by continuous viral restriction. A step towards improving treatment outcomes is in long-acting antiretrovirals. While early results remain encouraging there remain opportunities for improvement. These rest, in part, on the required large drug dosing volumes, local injection-site reactions, and frequency of injections. Thus, implantable devices and long-acting parenteral prodrugs have emerged which may provide more effective clinical outcomes. The recent successes in transforming native antiretrovirals into lipophilic and hydrophobic prodrugs stabilized into biocompatible surfactants can positively affect both. Formulating antiretroviral prodrugs demonstrates improvements in cell and tissue targeting, in drug-dosing intervals, and in the administered volumes of nanosuspensions. As such, the newer formulations also hold the potential to suppress viral loads beyond more conventional therapies with the ultimate goal of HIV-1 elimination when combined with other modalities.
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Affiliation(s)
- Howard E Gendelman
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA.
| | - JoEllyn McMillan
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
| | - Aditya N Bade
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
| | - Benson Edagwa
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
| | - Bhavesh D Kevadiya
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
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14
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Calvo NL, Svetaz LA, Alvarez VA, Quiroga AD, Lamas MC, Leonardi D. Chitosan-hydroxypropyl methylcellulose tioconazole films: A promising alternative dosage form for the treatment of vaginal candidiasis. Int J Pharm 2019; 556:181-191. [DOI: 10.1016/j.ijpharm.2018.12.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/30/2018] [Accepted: 12/04/2018] [Indexed: 11/16/2022]
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15
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Yegappan R, Selvaprithiviraj V, Amirthalingam S, Jayakumar R. Carrageenan based hydrogels for drug delivery, tissue engineering and wound healing. Carbohydr Polym 2018; 198:385-400. [PMID: 30093014 DOI: 10.1016/j.carbpol.2018.06.086] [Citation(s) in RCA: 230] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 06/18/2018] [Accepted: 06/20/2018] [Indexed: 10/28/2022]
Abstract
Carrageenan is a class of naturally occurring sulphated polysaccharides, which is currently a promising candidate in tissue engineering and regenerative medicine as it resemblances native glycosaminoglycans. From pharmaceutical drug formulations to tissue engineered scaffolds, carrageenan has broad range of applications. Here we provide an overview of developing various forms of carrageenan based hydrogels. We focus on how these fabrication processes has an effect on physiochemical properties of the hydrogel. We outline the application of these hydrogels not only pertaining to sustained drug release but also their application in bone and cartilage tissue engineering as well as in wound healing and antimicrobial formulations. Administration of these hydrogels through various routes for drug delivery applications has been critically reviewed. Finally, we conclude by summarizing the current and future outlook that promotes the seaweed-derived polysaccharide as versatile, promising biomaterial for a variety of bioengineering applications.
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Affiliation(s)
- Ramanathan Yegappan
- Centre for Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Vignesh Selvaprithiviraj
- Centre for Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - Sivashanmugam Amirthalingam
- Centre for Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, India
| | - R Jayakumar
- Centre for Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, India.
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