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Islam N, Suwandecha T, Srichana T. Dry powder inhaler design and particle technology in enhancing Pulmonary drug deposition: challenges and future strategies. Daru 2024:10.1007/s40199-024-00520-3. [PMID: 38861247 DOI: 10.1007/s40199-024-00520-3] [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: 09/18/2023] [Accepted: 04/27/2024] [Indexed: 06/12/2024] Open
Abstract
OBJECTIVES The efficient delivery of drugs from dry powder inhaler (DPI) formulations is associated with the complex interaction between the device design, drug formulations, and patient's inspiratory forces. Several challenges such as limited emitted dose of drugs from the formulation, low and variable deposition of drugs into the deep lungs, are to be resolved for obtaining the efficiency in drug delivery from DPI formulations. The objective of this study is to review the current challenges of inhaled drug delivery technology and find a way to enhance the efficiency of drug delivery from DPIs. METHODS/EVIDENCE ACQUISITION Using appropriate keywords and phrases as search terms, evidence was collected from the published articles following SciFinder, Web of Science, PubMed and Google Scholar databases. RESULTS Successful lung drug delivery from DPIs is very challenging due to the complex anatomy of the lungs and requires an integrated strategy for particle technology, formulation design, device design, and patient inhalation force. New DPIs are still being developed with limited performance and future device design employs computer simulation and engineering technology to overcome the ongoing challenges. Many issues of drug formulation challenges and particle technology are concerning factors associated with drug dispersion from the DPIs into deep lungs. CONCLUSION This review article addressed the appropriate design of DPI devices and drug formulations aligned with the patient's inhalation maneuver for efficient delivery of drugs from DPI formulations.
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Affiliation(s)
- Nazrul Islam
- Pharmacy Discipline, School of Clinical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia.
- Centre for Immunology and Infection Control (CIIC), Queensland University of Technology, Brisbane, QLD, Australia.
| | - Tan Suwandecha
- Drug and Cosmetic Excellence Center and School of Pharmacy, Walailak University, Thasala, Nakhon Si Thammarat, 80160, Thailand
| | - Teerapol Srichana
- Drug Delivery System Excellence Center and Department of Pharmaceutical Technology, Prince of Songkla University, Hat Yai, Songkla, 90110, Thailand.
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Nouman Khan M, Wang Q, Idrees BS, Waheed R, Haq AU, Abrar M, Jamil Y. Evaluation of medicinal plants using laser-induced breakdown spectroscopy (LIBS) combined with chemometric techniques. Lasers Med Sci 2023; 38:149. [PMID: 37365431 DOI: 10.1007/s10103-023-03805-2] [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: 10/09/2022] [Accepted: 06/12/2023] [Indexed: 06/28/2023]
Abstract
Medicinal plants play a vital role in herbal medical field and allopathic medicine field industry. Chemical and spectroscopic studies of Taraxacum officinale, Hyoscyamus niger, Ajuga bracteosa, Elaeagnus angustifolia, Camellia sinensis, and Berberis lyceum are conducted in this paper by using a 532-nm Nd:YAG laser in an open air environment. These medicinal plant's leaves, roots, seed, and flowers are used to treat a range of diseases by the locals. It is crucial to be able to distinguish between beneficial and detrimental metal elements in these plants. We demonstrated how various elements are categorized and how roots, leaves, seeds and flowers of same plants differ from each other on the basis of elemental analysis. Furthermore, for classification purpose, different classification models, partial least square discriminant analysis (PLS-DA), k-nearest neighbors (kNN), and principal component analysis (PCA) are used. We found silicon (Si), aluminum (Al), iron (Fe), copper (Cu), calcium (Ca), magnesium (Mg), sodium (Na), potassium (K), manganese (Mn), phosphorous (P), and vanadium (V) in all of the medicinal plant samples with a molecular form of carbon and nitrogen band. We detected Ca, Mg, Si, and P as primary components in all of the plant samples, as well as V, Fe, Mn, Al, and Ti as essential medicinal metals, and additional trace elements like Si, Sr, and Al. The result's findings show that the PLS-DA classification model with single normal variate (SNV) preprocessing method is the most effective classification model for different types of plant samples. The average correct classification rate obtained for PLS-DA with SNV is 95%. Moreover, laser-induced breakdown spectroscopy (LIBS) was successfully employed to perform rapid, sensitive, and quantitative trace element analysis on medicinal herbs and plant samples.
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Affiliation(s)
- Muhammad Nouman Khan
- School of Optics and Photonics, Beijing Institute of Technology, Beijing, China.
- Key Laboratory of Photonic Information Technology, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing, 100081, China.
| | - Qianqian Wang
- School of Optics and Photonics, Beijing Institute of Technology, Beijing, China
- Key Laboratory of Photonic Information Technology, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing, 100081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314033, China
| | - Bushra Sana Idrees
- School of Optics and Photonics, Beijing Institute of Technology, Beijing, China
- Key Laboratory of Photonic Information Technology, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Rijah Waheed
- Department of Physics, Hazara University, Mansehra, Pakistan
| | - Ajaz Ul Haq
- Department of Physics, Hazara University, Mansehra, Pakistan
| | - Muhammad Abrar
- Department of Physics, Hazara University, Mansehra, Pakistan
| | - Yasir Jamil
- Department of Physics, University of Agriculture Faisalabad, Faisalabad, Pakistan
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Hebbink GA, Jaspers M, Peters HJW, Dickhoff BHJ. Recent developments in lactose blend formulations for carrier-based dry powder inhalation. Adv Drug Deliv Rev 2022; 189:114527. [PMID: 36070848 DOI: 10.1016/j.addr.2022.114527] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/24/2022] [Accepted: 08/30/2022] [Indexed: 01/24/2023]
Abstract
Lactose is the most commonly used excipient in carrier-based dry powder inhalation (DPI) formulations. Numerous inhalation therapies have been developed using lactose as a carrier material. Several theories have described the role of carriers in DPI formulations. Although these theories are valuable, each DPI formulation is unique and are not described by any single theory. For each new formulation, a specific development trajectory is required, and the versatility of lactose can be exploited to optimize each formulation. In this review, recent developments in lactose-based DPI formulations are discussed. The effects of varying the material properties of lactose carrier particles, such as particle size, shape, and morphology are reviewed. Owing to the complex interactions between the particles in a formulation, processing adhesive mixtures of lactose with the active ingredient is crucial. Therefore, blending and filling processes for DPI formulations are also reviewed. While the role of ternary agents, such as magnesium stearate, has increased, lactose remains the excipient of choice in carrier-based DPI formulations. Therefore, new developments in lactose-based DPI formulations are crucial in the optimization of inhalable medicine performance.
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de Boer AH, Hagedoorn P, Grasmeijer F. Dry powder inhalation, part 1: ancient history and precursors to modern dry powder inhalers. Expert Opin Drug Deliv 2022; 19:1033-1044. [PMID: 35982634 DOI: 10.1080/17425247.2022.2112568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Inhalation of herbs and other compounds has a long history but habits for medical treatment are intertwined with rituals to obtain hallucinatory effects and pleasurable sensations. Several examples of inhaled herbs, and the diseases they were used for, based on early translations of ancient manuscripts related to inhalation were found to be speculative and inconsistent with each other in literature. They needed to be reconsidered and verified with the original sources of information. AREAS COVERED Examples of ancient inhalation and the development of early dry powder inhalers up to and including the first half of the twentieth century. Databases used for literature about historic events, ancient habits, and ancient science, included SmartCat, JSTOR, and ANDAT; various facts were verified via personal communication with historians and custodians of historic manuscripts and artifacts. EXPERT OPINION Inhalation does not necessarily require active creation of inhalable aerosols, smokes or fumes. Inhaling 'healthy air' with volatile and gaseous components, or fine aerosols in pine forests, on volcano slopes and at the seaside must be considered as inhalation therapy too. From this viewpoint, inhalation therapy may have been much more common and widespread and have a longer history than is currently known from written evidence.
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Affiliation(s)
- Anne Haaije de Boer
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, The Netherlands
| | - Paul Hagedoorn
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, The Netherlands
| | - Floris Grasmeijer
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, The Netherlands.,PureIMS B.V, Roden, The Netherlands
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