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Zhao Z, Wang W, Wang G, Huang Z, Zhou L, Lin L, Ou Y, Huang W, Zhang X, Wu C, Tao L, Wang Q. Dual peptides-modified cationic liposomes for enhanced Lung cancer gene therapy by a gap junction regulating strategy. J Nanobiotechnology 2023; 21:473. [PMID: 38066528 PMCID: PMC10709977 DOI: 10.1186/s12951-023-02242-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Gene therapy for lung cancer has emerged as a novel tumor-combating strategy for its superior tumor specificity, low systematical toxicity and huge clinical translation potential. Especially, the applications of microRNA shed led on effective tumor ablation by directly interfering with the crucial gene expression, making it one of the most promising gene therapy agents. However, for lung cancer therapy, the microRNA treatment confronted three bottlenecks, the poor tumor tissue penetration effect, the insufficient lung drug accumulation and unsatisfied gene transfection efficiency. To address these issues, an inhalable RGD-TAT dual peptides-modified cationic liposomes loaded with microRNA miR-34a and gap junction (GJ) regulation agent all-trans retinoic acid (ATRA) was proposed, which was further engineered into dry powder inhalers (DPIs). RESULTS Equipped with a rough particle surface and appropriate aerodynamic size, the proposed RGD-TAT-CLPs/ARTA@miR-34a DPIs were expected to deposit into the deep lung and reach lung tumor lesions guided by targeting peptide RGD. Assisted by cellular transmembrane peptides TAT, the RGD-TAT-CLPs/ARTA@miR-34a was proven to be effectively internalized by cancer cells, enhancing gene transfection efficiency. Then, the GJ between tumor cells was upregulated by ARTA, facilitating the intercellular transport of miR-34a and boosting the gene expression in the deep tumor. CONCLUSION Overall, the proposed RGD-TAT-CLPs/ARTA@miR-34a DPIs could enhance tumor tissue penetration, elevate lung drug accumulation and boost gene transfection efficiency, breaking the three bottlenecks to enhancing tumor elimination in vitro and in vivo. We believe that the proposed RGD-TAT-CLPs/ARTA@miR-34a DPIs could serve as a promising pulmonary gene delivery platform for multiple lung local disease treatments.
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Affiliation(s)
- Ziyu Zhao
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, Guangdong, 510632, PR China
- College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Wenhao Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, 510006, PR China
| | - Guanlin Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, 510006, PR China
| | - Zhengwei Huang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, Guangdong, 510632, PR China
- College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Liping Zhou
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China
| | - Li Lin
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China
| | - Yueling Ou
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China
| | - Wanzhen Huang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China
| | - Xuejuan Zhang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, Guangdong, 510632, PR China.
- College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, PR China.
| | - Chuanbin Wu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, Guangdong, 510632, PR China
- College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, PR China
| | - Liang Tao
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China.
- Nanchang Research Institute, Sun Yat-Sen University, Nanchang, Jiangxi, 330096, PR China.
| | - Qin Wang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, PR China.
- Nanchang Research Institute, Sun Yat-Sen University, Nanchang, Jiangxi, 330096, PR China.
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Wang W, Fu F, Huang Z, Wang W, Chen M, Yue X, Fu J, Feng X, Huang Y, Wu C, Pan X. Inhalable Biomimetic Protein Corona-Mediated Nanoreactor for Self-Amplified Lung Adenocarcinoma Ferroptosis Therapy. ACS NANO 2022; 16:8370-8387. [PMID: 35575209 DOI: 10.1021/acsnano.2c02634] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Ferroptosis therapy by catalyzing the Fenton reaction has emerged as a promising tumor elimination strategy for lung adenocarcinoma (ADC). However, the unsatisfactory Fenton reaction efficiency, strong intracellular antioxidant system, and insufficient lung drug accumulation limits the ferroptosis therapeutic effect. To address these issues, an inhalable nanoreactor was proposed by spontaneously adsorbing biomimetic protein corona (PC) composed of matrix metalloproteinase 2 responsive gelatin and glutamate (Glu) on the surface of cationic nanostructured lipid carriers (NLC) core loaded with ferrocene (Fc) and fluvastatin. The prepared Fc-NLC(F)@PC could be nebulized into lung lesions with 2.6 times higher drug accumulation and boost lipid peroxide production by 3.2 times to enhance ferroptosis therapy. Mechanically, fluvastatin was proved to inhibit monocarboxylic acid transporter 4 mediated lactate efflux, inducing tumor acidosis to boost Fc-catalyzing reactive oxygen species production, while the extracellular elevating Glu concentration was found to inhibit xCT (system Xc-) functions and further collapse the tumor antioxidant system by glutathione synthesis suppression. Mitochondrial dysfunction and cell membrane damage were involved in the nanoreactor-driven ferroptotic cell death process. The enhanced antitumor effects by combination of tumor acidosis and antioxidant system collapse were confirmed in an orthotopic lung ADC tumor model. Overall, the proposed nanoreactor highlights the pulmonary delivery approach for local lung ADC treatment and underscores the great potential of ferroptosis therapy.
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Affiliation(s)
- Wenhao Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
| | - Fangqin Fu
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, China
| | - Zhengwei Huang
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, China
| | - Wenhua Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
| | - Minglong Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Xiao Yue
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
| | - Jintao Fu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
| | - Xiaoqian Feng
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
- Guangzhou Novaken Pharmaceutical Co., Ltd., Guangzhou 510006, Guangdong, China
| | - Ying Huang
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, China
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
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Yu XY, Jin X, Shou ZX. Surface-engineered smart nanocarrier-based inhalation formulations for targeted lung cancer chemotherapy: a review of current practices. Drug Deliv 2021; 28:1995-2010. [PMID: 34569401 PMCID: PMC8477964 DOI: 10.1080/10717544.2021.1981492] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Lung cancer is the second most common and lethal cancer in the world. Chemotherapy is the preferred treatment modality for lung cancer and prolongs patient survival by effective controlling of tumor growth. However, owing to the nonspecific delivery of anticancer drugs, systemic chemotherapy has limited clinical efficacy and significant systemic adverse effects. Inhalation routes, on the other hand, allow for direct delivery of drugs to the lungs in high local concentrations, enhancing their anti-tumor activity with minimum side effects. Preliminary research studies have shown that inhaled chemotherapy may be tolerated with manageable adverse effects such as bronchospasm and cough. Enhancing the anticancer drugs deposition in tumor cells and limiting their distribution to other healthy cells will therefore increase their clinical efficacy and decrease their local and systemic toxicities. Because of the controlled release and localization of tumors, nanoparticle formulations are a viable option for the delivery of chemotherapeutics to lung cancers via inhalation. The respiratory tract physiology and lung clearance mechanisms are the key barriers to the effective deposition and preservation of inhaled nanoparticle formulations in the lungs. Designing and creating smart nanoformulations to optimize lung deposition, minimize pulmonary clearance, and improve cancerous tissue targeting have been the subject of recent research studies. This review focuses on recent examples of work in this area, along with the opportunities and challenges for the pulmonary delivery of smart nanoformulations to treat lung cancers.
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Affiliation(s)
- Xian-Yan Yu
- Department of Respiratory Medicine, Chun'an First People's Hospital, (Zhejiang Provincial People's Hospital Chun'an Branch), Hangzhou, PR China
| | - Xue Jin
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, PR China
| | - Zhang-Xuan Shou
- Clinical Pharmacy Center, Department of Pharmacy, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, PR China.,Department of Pharmacy, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, PR China
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Abdulbaqi IM, Assi RA, Yaghmur A, Darwis Y, Mohtar N, Parumasivam T, Saqallah FG, Wahab HA. Pulmonary Delivery of Anticancer Drugs via Lipid-Based Nanocarriers for the Treatment of Lung Cancer: An Update. Pharmaceuticals (Basel) 2021; 14:725. [PMID: 34451824 PMCID: PMC8400724 DOI: 10.3390/ph14080725] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/24/2022] Open
Abstract
Lung cancer (LC) is the leading cause of cancer-related deaths, responsible for approximately 18.4% of all cancer mortalities in both sexes combined. The use of systemic therapeutics remains one of the primary treatments for LC. However, the therapeutic efficacy of these agents is limited due to their associated severe adverse effects, systemic toxicity and poor selectivity. In contrast, pulmonary delivery of anticancer drugs can provide many advantages over conventional routes. The inhalation route allows the direct delivery of chemotherapeutic agents to the target LC cells with high local concertation that may enhance the antitumor activity and lead to lower dosing and fewer systemic toxicities. Nevertheless, this route faces by many physiological barriers and technological challenges that may significantly affect the lung deposition, retention, and efficacy of anticancer drugs. The use of lipid-based nanocarriers could potentially overcome these problems owing to their unique characteristics, such as the ability to entrap drugs with various physicochemical properties, and their enhanced permeability and retention (EPR) effect for passive targeting. Besides, they can be functionalized with different targeting moieties for active targeting. This article highlights the physiological, physicochemical, and technological considerations for efficient inhalable anticancer delivery using lipid-based nanocarriers and their cutting-edge role in LC treatment.
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Affiliation(s)
- Ibrahim M. Abdulbaqi
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
- College of Pharmacy, Al-Kitab University, Altun kupri, Kirkuk 36001, Iraq
| | - Reem Abou Assi
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
- College of Pharmacy, Al-Kitab University, Altun kupri, Kirkuk 36001, Iraq
| | - Anan Yaghmur
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark;
| | - Yusrida Darwis
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
| | - Noratiqah Mohtar
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
| | - Thaigarajan Parumasivam
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
| | - Fadi G. Saqallah
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
| | - Habibah A. Wahab
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang 11800, Malaysia; (I.M.A.); (R.A.A.); (N.M.); (T.P.); (F.G.S.)
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Abstract
PURPOSE OF REVIEW Osteosarcoma (OSA) is the most common primary tumor of bone, mainly affecting children and adolescents. Here we discuss recent advances in surgical and systemic therapies, and highlight potentially new modalities in preclinical evaluation and prognostication. RECENT FINDINGS The advent of neoadjuvant and adjuvant chemotherapy has markedly improved the disease-free recurrence and overall survival of OSA. However, treatment efficacy has been stagnant since the 1980s. This plateau has prompted preclinical and clinical research into in precision surgery, inhaled chemotherapy to increase pulmonary drug concentration without systemic side effects, and novel immunomodulators intended to block molecular pathways associated with OSA proliferation and metastasis. With the advent of novel surgical techniques and new forms and vectors for chemotherapy, it is hoped that OSA treatment outcomes will exceed their currently sustained plateau in the near future.
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Affiliation(s)
- Rebekah Belayneh
- Division of Orthopaedic Oncology, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Mitchell S Fourman
- Division of Orthopaedic Oncology, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Sumail Bhogal
- Division of Orthopaedic Oncology, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Kurt R Weiss
- Division of Orthopaedic Oncology, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
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Jin Q, Zhu W, Zhu J, Zhu J, Shen J, Liu Z, Yang Y, Chen Q. Nanoparticle-Mediated Delivery of Inhaled Immunotherapeutics for Treating Lung Metastasis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007557. [PMID: 33448035 DOI: 10.1002/adma.202007557] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/24/2020] [Indexed: 05/18/2023]
Abstract
Despite the critical breakthrough achieved by immune checkpoint blockade (ICB), the clinical benefits are usually restricted by inefficient infiltration of immune cells and immune-associated adverse effects. Noninvasive aerosol inhalation, as a definitive procedure for treatment of respiratory diseases, for ICB immunotherapy against lung metastasis, has not been realized to the best knowledge. Herein, an inhaled immunotherapeutic chitosan (CS)-antibody complex is developed for immunotherapy against lung cancer. In this system, CS is used as a carrier to assemble with anti-programmed cell death protein ligand 1 (aPD-L1) to enable efficient transmucosal delivery. Moreover, CS exhibits adjuvant effects to drive potent immune responses via activating the cyclic-di-GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway. Interestingly, repeated inhalation of CS/aPD-L1 complex can effectively activate the immune system by promoting the infiltration of different immune cells especially CD8+ T cells around tumor lesions, and finally prolongs the survival of mice to 60 days. Thus, the work presents a unique aerosol inhalation delivery system for ICB antibody, which is promising for immunotherapy against lung metastasis without the concern of systemic toxicity.
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Affiliation(s)
- Qiutong Jin
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Wenjun Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Jiafei Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Junjie Zhu
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Jingjing Shen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Zhuang Liu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Yang Yang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200433, China
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
| | - Qian Chen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
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Ostrovski Y, Dorfman S, Poh W, Chye Joachim Loo S, Sznitman J. Focused targeting of inhaled magnetic aerosols in reconstructed in vitro airway models. J Biomech 2021; 118:110279. [PMID: 33545572 DOI: 10.1016/j.jbiomech.2021.110279] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 01/16/2021] [Indexed: 12/13/2022]
Abstract
The pulmonary tract is an attractive route for topical treatments of lung diseases. Yet, our ability to confine the deposition of inhalation aerosols to specific lung regions, or local airways, remains still widely beyond reach. It has been hypothesized that by coupling magnetic particles to inhaled therapeutics the ability to locally target airway sites can be substantially improved. Although the underlying principle has shown promise in seminal in vivo animal experiments as well as in vitro and in silico studies, its practical implementation has come short of delivering efficient localized airway targeting. Here, we demonstrate in an in vitro proof-of-concept an inhalation framework to leverage magnetically-loaded aerosols for airway targeting in the presence of an external magnetic field. By coupling the delivery of a short pulsed bolus of sub-micron (~500 nm diameter) droplet aerosols with a custom ventilation machine that tracks the volume of air inhaled past the bolus, focused targeting can be maximized during a breath hold maneuver. Specifically, we visualize the motion of the pulsed SPION-laden (superparamagnetic iron oxide nanoparticles) aerosol bolus and quantify under microscopy ensuing deposition patterns in reconstructed 3D airway models. Our aerosol inhalation platform allows for the first time to deposit inhaled particles to specific airway sites while minimizing undesired deposition across the remaining airspace, in an effort to significantly augment the targeting efficiency (i.e. deposition ratio between targeted and untargeted regions). Such inhalation strategy may pave the way for improved treatment outcomes, including reducing side effects in chemotherapy.
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Affiliation(s)
- Yan Ostrovski
- Department of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, Israel
| | - Semion Dorfman
- Department of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, Israel
| | - Wilson Poh
- School of Material Science and Engineering, Nanyang Technological University, Singapore
| | - Say Chye Joachim Loo
- School of Material Science and Engineering, Nanyang Technological University, Singapore; Singapore Centre for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, Singapore
| | - Josué Sznitman
- Department of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, Israel.
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Zhao M, Jing Z, Zhou L, Zhao H, Du Q, Sun Z. Pharmacokinetic Research Progress of Anti-tumor Drugs Targeting for Pulmonary Administration. Curr Drug Metab 2020; 21:1117-1126. [PMID: 33183196 DOI: 10.2174/1389200221999201111193910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/30/2020] [Accepted: 09/22/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Cancer is a major problem that threatens human survival and has a high mortality rate. The traditional chemotherapy methods are mainly intravenous injection and oral administration, but have obvious toxic and side effects. Anti-tumor drugs for pulmonary administration can enhance drug targeting, increase local drug concentration, and reduce the damage to systemic organs, especially for the treatment of lung cancer. METHODS The articles on the pharmacokinetics of anti-tumor drugs targeting pulmonary administration were retrieved from the Pub Med database. This article mainly took lung cancer as an example and summarized the pharmacokinetic characteristics of anti-tumor drugs targeting for pulmonary administration contained in nanoparticles, dendrimers, liposomes and micelles. RESULTS The review shows that the pharmacokinetics process of pulmonary administration is associated with a drug carrier by increasing the deposition and release of drugs in the lung, and retarding the lung clearance rate. Among them, the surface of dendrimers could be readily modified, and polymer micelles have favorable loading efficiency. In the case of inhalation administration, liposomes exhibit more excellent lung retention properties compared to other non-lipid carriers. Therefore, the appropriate drug carrier is instrumental to increase the curative effect of anti-tumor drugs and reduce the toxic effect on surrounding healthy tissues or organs. CONCLUSION In the process of pulmonary administration, the carrier-embedded antitumor drugs have the characteristics of targeted and sustained release compared with non-packaging drugs, which provides a theoretical basis for the clinical rational formulation of chemotherapy regimens. However, there is currently a lack of comparative research between drug packaging materials, and more importantly, the development of safe and effective anti-tumor drugs targeting for pulmonary administration requires more data.
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Affiliation(s)
- Mengfan Zhao
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Ziwei Jing
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan,, China
| | - Lin Zhou
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan,, China
| | - Hongyu Zhao
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Qiuzheng Du
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan,, China
| | - Zhi Sun
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan,, China
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Wauthoz N, Rosière R, Amighi K. Inhaled cytotoxic chemotherapy: clinical challenges, recent developments, and future prospects. Expert Opin Drug Deliv 2020; 18:333-354. [PMID: 33050733 DOI: 10.1080/17425247.2021.1829590] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Since 1968, inhaled chemotherapy has been evaluated and has shown promising results up to phase II but has not yet reached the market. This is due to technological and clinical challenges that require to be overcome with the aim of optimizing the efficacy and the tolerance of drug to re-open new developments in this field. Moreover, recent changes in the therapeutic standard of care for treating the patient with lung cancer also open new opportunities to combine inhaled chemotherapy with standard treatments. AREAS COVERED Clinical and technological concerns are highlighted from the reported clinical trials made with inhaled cytotoxic chemotherapies. This work then focuses on new pharmaceutical developments using dry powder inhalers as inhalation devices and on formulation strategies based on controlled drug release and with sustained lung retention or based on nanomedicine. Finally, new clinical strategies are described in regard to the impact of the immunotherapy on the patient's standard of care. EXPERT OPINION The choice of the drug, inhalation device, and formulation strategy as well as the position of inhaled chemotherapy in the patient's clinical care are crucial factors in optimizing local tolerance and efficacy as well as in its scalability and applicability in clinical practice.
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Affiliation(s)
- Nathalie Wauthoz
- Unit of Pharmaceutics and Biopharmaceutics, Université Libre De Bruxelles, Brussels, Belgium
| | - Rémi Rosière
- Unit of Pharmaceutics and Biopharmaceutics, Université Libre De Bruxelles, Brussels, Belgium
| | - Karim Amighi
- Unit of Pharmaceutics and Biopharmaceutics, Université Libre De Bruxelles, Brussels, Belgium
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Chellappan DK, Yee LW, Xuan KY, Kunalan K, Rou LC, Jean LS, Ying LY, Wie LX, Chellian J, Mehta M, Satija S, Singh SK, Gulati M, Dureja H, Da Silva MW, Tambuwala MM, Gupta G, Paudel KR, Wadhwa R, Hansbro PM, Dua K. Targeting neutrophils using novel drug delivery systems in chronic respiratory diseases. Drug Dev Res 2020; 81:419-436. [PMID: 32048757 DOI: 10.1002/ddr.21648] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 01/21/2020] [Accepted: 01/25/2020] [Indexed: 12/29/2022]
Abstract
Neutrophils are essential effector cells of immune system for clearing the extracellular pathogens during inflammation and immune reactions. Neutrophils play a major role in chronic respiratory diseases. In respiratory diseases such as asthma, chronic obstructive pulmonary disease, cystic fibrosis, lung cancer and others, there occurs extreme infiltration and activation of neutrophils followed by a cascade of events like oxidative stress and dysregulated cellular proteins that eventually result in apoptosis and tissue damage. Dysregulation of neutrophil effector functions including delayed neutropil apoptosis, increased neutrophil extracellular traps in the pathogenesis of asthma, and chronic obstructive pulmonary disease enable neutrophils as a potential therapeutic target. Accounting to their role in pathogenesis, neutrophils present as an excellent therapeutic target for the treatment of chronic respiratory diseases. This review highlights the current status and the emerging trends in novel drug delivery systems such as nanoparticles, liposomes, microspheres, and other newer nanosystems that can target neutrophils and their molecular pathways, in the airways against infections, inflammation, and cancer. These drug delivery systems are promising in providing sustained drug delivery, reduced therapeutic dose, improved patient compliance, and reduced drug toxicity. In addition, the review also discusses emerging strategies and the future perspectives in neutrophil-based therapy.
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Affiliation(s)
- Dinesh K Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Lim W Yee
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Kong Y Xuan
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Kishen Kunalan
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Lim C Rou
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Leong S Jean
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Lee Y Ying
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Lee X Wie
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Jestin Chellian
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Meenu Mehta
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Saurabh Satija
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Sachin K Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharishi Dayanand University, Rohtak, Haryana, India
| | - Mateus Webba Da Silva
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, County Londonderry, Northern Ireland, United Kingdom
| | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, County Londonderry, Northern Ireland, United Kingdom
| | - Gaurav Gupta
- School of Phamacy, Suresh Gyan Vihar University, Jaipur, India
| | - Keshav R Paudel
- School of Life Sciences, University of Technology Sydney, Sydney, New South Wales, Australia.,Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia
| | - Ridhima Wadhwa
- Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, New South Wales, Australia
| | - Philip M Hansbro
- School of Life Sciences, University of Technology Sydney, Sydney, New South Wales, Australia.,Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, New South Wales, Australia
| | - Kamal Dua
- Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, New South Wales, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, New South Wales, Australia.,School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India
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11
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Aerosolized Chemotherapy for Osteosarcoma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1257:67-73. [DOI: 10.1007/978-3-030-43032-0_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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Baldwin P, Ohman AW, Medina JE, McCarthy ET, Dinulescu DM, Sridhar S. Nanoformulation of Talazoparib Delays Tumor Progression and Ascites Formation in a Late Stage Cancer Model. Front Oncol 2019; 9:353. [PMID: 31134152 PMCID: PMC6524318 DOI: 10.3389/fonc.2019.00353] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Accepted: 04/17/2019] [Indexed: 01/01/2023] Open
Abstract
Talazoparib, a potent PARP inhibitor, induces synthetic lethality in BRCA-deficient cancers making it an attractive candidate for ovarian cancer treatment. However, its potency lends itself to side effects associated more closely with traditional chemotherapeutics than other clinically approved PARP inhbitors. We sought to formulate Talazoparib in a nanoparticle delivery system, which allows the drug to be administered intraperitoneally. This was done to specifically target peritoneal dissemination of late stage metastatic ovarian cancer and increase talazoparib's therapeutic efficacy while minimizing toxic side effects. NanoTalazoparib was developed and characterized with regard to its size, loading, and surface charge. Talazoparib and NanoTalazoparib were tested on a panel of murine and human BRCA cell lines and the dose response was compared to Olaparib's, the currently used PARP inhibitor. Therapeutic efficacy was tested in vivo in a Brca peritoneal cancer model that mimics late stage disseminated disease. NanoTalazoparib has a diameter of about 70 nm with a neutral surface charge and ~75% encapsulation efficiency, which slowly releases the drug over several hours. Dose response analysis indicated that the murine cell lines with conditional BRCA1/2, PTEN, and TP53 deletions had the lowest IC50s. NanoTalazoparib administered on a schedule of three doses weekly slowed disease progression and resulted in significantly less mice with ascites at the end point compared to controls. These results indicate that the slow release nanoformulation, NanoTalazoparib, effectively delivers PARP inhibitor therapy to the peritoneal cavity for disseminated cancer treatment. The ability to decrease ascites formation with the introduction of intraperitoneal NanoTalazoparib suggests this treatment may be an effective way to treat ovarian cancer-associated ascites and slow disease progression.
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Affiliation(s)
- Paige Baldwin
- Department of Bioengineering, Northeastern University, Boston, MA, United States
| | - Anders W Ohman
- Division of Women's and Perinatal Pathology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Jamie E Medina
- Division of Women's and Perinatal Pathology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Eric T McCarthy
- Division of Women's and Perinatal Pathology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Daniela M Dinulescu
- Division of Women's and Perinatal Pathology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Srinivas Sridhar
- Department of Bioengineering, Northeastern University, Boston, MA, United States.,Department of Physics, Northeastern University, Boston, MA, United States.,Division of Radiation Oncology, Harvard Medical School, Boston, MA, United States
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13
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Verco J, Johnston W, Baltezor M, Kuehl PJ, Gigliotti A, Belinsky SA, Lopez A, Wolff R, Hylle L, diZerega G. Pharmacokinetic Profile of Inhaled Submicron Particle Paclitaxel (NanoPac ®) in a Rodent Model. J Aerosol Med Pulm Drug Deliv 2018; 32:99-109. [PMID: 30359162 PMCID: PMC6477588 DOI: 10.1089/jamp.2018.1467] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background: Inhaled chemotherapeutics may enhance pulmonary drug exposure to malignant lesions in the lung without substantially contributing to systemic toxicities. The pharmacokinetic profile of inhaled submicron particle paclitaxel (NanoPac®) in healthy rodent plasma and lung tissue is evaluated here to determine administration proof-of-principle. Methods: Healthy male Sprague Dawley rats received paclitaxel in one of three arms: intravenous nab-paclitaxel at 2.9 mg/kg (IVnP), inhaled NanoPac low dose (IHNP-LD) at 0.38 mg/kg, or inhaled NanoPac high dose (IHNP-HD) at 1.18 mg/kg. Plasma and lung tissue paclitaxel concentrations were determined using ultraperformance liquid chromatography tandem mass spectrometry from animals sacrificed at 10 time points ranging up to 2 weeks after administration. Peak concentration (Cmax), apparent residence half-life (T1/2), exposure (AUC(last)), and dose-normalized exposure (AUCD(last)) were determined. Pulmonary histopathology was performed on rats sacrificed at the 336-hour time point. Results: Paclitaxel was detectable and quantifiable in the rat lung for both inhaled NanoPac arms sampled at the final necropsy, 336 hours postadministration. Substantial paclitaxel deposition and retention resulted in an order of magnitude increase in dose-normalized pulmonary exposure over IVnP. Inhaled NanoPac arms had an order of magnitude lower plasma Cmax than IVnP, but followed a similar plasma T1/2 clearance (quantifiable only to 72 hours postadministration). Pulmonary histopathology found all treated animals indistinguishable from treatment-naive rats. Conclusion: In the rodent model, inhaled NanoPac demonstrated substantial deposition and retention of paclitaxel in sampled lung tissue. Further research to determine NanoPac's toxicity profile and potential efficacy as lung cancer therapy is underway.
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Affiliation(s)
- James Verco
- 1 US Biotest, Inc. , San Luis Obispo, California
| | | | | | | | | | | | - Anita Lopez
- 3 Lovelace Biomedical , Albuquerque, New Mexico
| | - Ronald Wolff
- 4 RK Wolff-Safety Consulting , Fort Myers, Florida
| | - Lauren Hylle
- 1 US Biotest, Inc. , San Luis Obispo, California
| | - Gere diZerega
- 1 US Biotest, Inc. , San Luis Obispo, California.,5 NanOlogy, LLC, Fort Worth, Texas
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14
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Seshadri DR, Ramamurthi A. Nanotherapeutics to Modulate the Compromised Micro-Environment for Lung Cancers and Chronic Obstructive Pulmonary Disease. Front Pharmacol 2018; 9:759. [PMID: 30061830 PMCID: PMC6054931 DOI: 10.3389/fphar.2018.00759] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 06/22/2018] [Indexed: 11/13/2022] Open
Abstract
The use of nanomaterials to modulate the tumor microenvironment has great potential to advance outcomes in patients with lung cancer. Nanomaterials can be used to prolong the delivery time of therapeutics enabling their specific targeting to tumors while minimizing and potentially eliminating cytotoxic effects. Using nanomaterials to deliver small-molecule inhibitors for oncogene targeted therapy and cancer immunotherapy while concurrently enabling regeneration of the extracellular matrix could enhance our therapeutic reach and improve outcomes for patients with non-small cell lung cancer (NSCLC) and chronic obstructive pulmonary disease (COPD). The objective of this review is to highlight the role nanomedicines play in improving and reversing adverse outcomes in the tumor microenvironment for advancing treatments for targeting both diseases.
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Affiliation(s)
- Dhruv R. Seshadri
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, United States
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Anand Ramamurthi
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, United States
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
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15
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[Inhaled chemotherapy - Part 2: Clinical practice and potential applications]. Rev Mal Respir 2018; 35:378-389. [PMID: 29731374 DOI: 10.1016/j.rmr.2018.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 07/11/2017] [Indexed: 01/14/2023]
Abstract
Lung tumours have a high incidence and cause many deaths worldwide. Despite progresses in treatment with targeted therapies and immunotherapies, the global 5-year survival rate remains low. In this context, inhaled chemotherapy could provide a means to intensify current therapeutic modalities. This review is based on clinical studies of inhaled chemotherapy against lung tumours. The advantages of this approach in terms of pharmacokinetic ratio and therapeutic index are presented as well as the limitations including contraindications and pulmonary side effects. Moreover, the challenges linked to technical aspects around administration are identified (inhalation device and facilities to limit aerosol propagation and exposure of healthcare professionals). The current developments proposed to overcome these challenges are described briefly. Also discussed are the potential applications for the distribution of the inhaled anticancer drug into tumour-bearing respiratory tracts and finally the potential indications for current therapeutic modalities.
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16
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Rosière R, Hureaux J, Levet V, Amighi K, Wauthoz N. La chimiothérapie inhalée – partie 1 : concept et challenges technologiques actuels. Rev Mal Respir 2018; 35:357-377. [DOI: 10.1016/j.rmr.2018.02.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 07/12/2017] [Indexed: 11/15/2022]
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17
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Pulmonary delivery of nanoparticle chemotherapy for the treatment of lung cancers: challenges and opportunities. Acta Pharmacol Sin 2017; 38:782-797. [PMID: 28504252 DOI: 10.1038/aps.2017.34] [Citation(s) in RCA: 161] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Accepted: 02/04/2017] [Indexed: 12/11/2022] Open
Abstract
Lung cancer is the second most prevalent and the deadliest among all cancer types. Chemotherapy is recommended for lung cancers to control tumor growth and to prolong patient survival. Systemic chemotherapy typically has very limited efficacy as well as severe systemic adverse effects, which are often attributed to the distribution of anticancer drugs to non-targeted sites. In contrast, inhalation routes permit the delivery of drugs directly to the lungs providing high local concentrations that may enhance the anti-tumor effect while alleviating systemic adverse effects. Preliminary studies in animals and humans have suggested that most inhaled chemotherapies are tolerable with manageable pulmonary adverse effects, including cough and bronchospasm. Promoting the deposition of anticancer drugs in tumorous cells and minimizing access to healthy lung cells can further augment the efficacy and reduce the risk of local toxicities caused by inhaled chemotherapy. Sustained release and tumor localization characteristics make nanoparticle formulations a promising candidate for the inhaled delivery of chemotherapeutic agents against lung cancers. However, the physiology of respiratory tracts and lung clearance mechanisms present key barriers for the effective deposition and retention of inhaled nanoparticle formulations in the lungs. Recent research has focused on the development of novel formulations to maximize lung deposition and to minimize pulmonary clearance of inhaled nanoparticles. This article systematically reviews the challenges and opportunities for the pulmonary delivery of nanoparticle formulations for the treatment of lung cancers.
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18
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Wu L, Leng D, Cun D, Foged C, Yang M. Advances in combination therapy of lung cancer: Rationales, delivery technologies and dosage regimens. J Control Release 2017; 260:78-91. [PMID: 28527735 DOI: 10.1016/j.jconrel.2017.05.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 05/13/2017] [Accepted: 05/16/2017] [Indexed: 01/30/2023]
Abstract
Lung cancer is a complex disease caused by a multitude of genetic and environmental factors. The progression of lung cancer involves dynamic changes in the genome and a complex network of interactions between cancer cells with multiple, distinct cell types that form tumors. Combination therapy using different pharmaceuticals has been proven highly effective due to the ability to affect multiple cellular pathways involved in the disease progression. However, the currently used drug combination designs are primarily based on empirical clinical studies, and little attention has been given to dosage regimens, i.e. how administration routes, onsets, and durations of the combinations influence the therapeutic outcome. This is partly because combination therapy is challenged by distinct physicochemical properties and in vivo pharmacokinetics/pharmacodynamics of the individual pharmaceuticals, including small molecule drugs and biopharmaceuticals, which make the optimization of dosing and administration schedule challenging. This article reviews the recent advances in the design and development of combinations of pharmaceuticals for the treatment of lung cancer. Focus is primarily on rationales for the selection of specific combination therapies for lung cancer treatment, and state of the art of delivery technologies and dosage regimens for the combinations, tested in preclinical and clinical trials.
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Affiliation(s)
- Lan Wu
- Wuya College of Innovation, Shenyang Pharmaceutical University, 110016 Shenyang, China
| | - Donglei Leng
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Dongmei Cun
- Wuya College of Innovation, Shenyang Pharmaceutical University, 110016 Shenyang, China
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Mingshi Yang
- Wuya College of Innovation, Shenyang Pharmaceutical University, 110016 Shenyang, China; Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark.
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19
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Dhupkar P, Gordon N. Interleukin-2: Old and New Approaches to Enhance Immune-Therapeutic Efficacy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 995:33-51. [PMID: 28321811 DOI: 10.1007/978-3-319-53156-4_2] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Interleukin-2 (IL-2) is a very well-known cytokine that has been studied for the past 35 years. It plays a major role in the growth and proliferation of many immune cells such NK and T cells. It is an important immunotherapy cytokine for the treatment of various diseases including cancer. Systemic delivery of IL-2 has shown clinical benefit in renal cell carcinoma and melanoma patients. However, its use has been limited by the numerous toxicities encountered with the systemic delivery. Intravenous IL-2 causes the well-known "capillary leak syndrome," or the leakage of fluid from the circulatory system to the interstitial space resulting in hypotension (low blood pressure), edema, and dyspnea that can lead to circulatory shock and eventually cardiopulmonary collapse and multiple organ failure. Due to the toxicities associated with systemic IL-2, an aerosolized delivery approach has been developed, which enables localized delivery and a higher local immune cell activation. Since proteins are absorbed via pulmonary lymphatics, after aerosol deposition in the lung, aerosol delivery provides a means to more specifically target IL-2 to the local immune system in the lungs with less systemic effects. Its benefits have extended to diseases other than cancer. Delivery of IL-2 via aerosol or as nebulized IL-2 liposomes has been previously shown to have less toxicity and higher efficacy against sarcoma lung metastases. Dogs with cancer provided a highly relevant means to determine biodistribution of aerosolized IL-2 and IL-2 liposomes. However, efficacy of single-agent IL-2 is limited. As in general, for most immune-therapies, its effect is more beneficial in the face of minimal residual disease. To overcome this limitation, combination therapies using aerosol IL-2 with adoptive transfer of T cells or NK cells have emerged.Using a human osteosarcoma (OS) mouse model, we have demonstrated the efficacy of single-agent aerosol IL-2 and combination therapy aerosol IL-2 and NK cells or aerosol IL-2 and interleukin 11 receptor alpha-directed chimeric antigen receptor-T cells (IL-11 receptor α CAR-T cells) against OS pulmonary metastases. Combination therapy resulted in a better therapeutic effect. A Phase-I trial of aerosol IL-2 was done in Europe and proved to be safe. Others and our preclinical studies provided the basis for the development of a Phase-I aerosol IL-2 trial in our institution to include younger patients with lung metastases. OS, our disease of interest, has a peak incidence in the adolescent and young adult years. Our goal is to complete this trial in the next 2 years.In this chapter, we summarize the different effects of IL-2 and cover the advantages of the aerosol delivery route for diseases of the lung with an emphasis on some of our most recent work using combination therapy aerosol IL-2 and NK cells for the treatment of OS lung metastases.
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Affiliation(s)
- Pooja Dhupkar
- Department of Pediatrics-Research, The Children's Cancer Hospital, University of Texas M.D. Anderson Cancer Center, 7777 Knight Road, Houston, TX, 77030, USA
- Experimental Therapeutics Academic Program, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Nancy Gordon
- Department of Pediatrics-Research, The Children's Cancer Hospital, University of Texas M.D. Anderson Cancer Center, 7777 Knight Road, Houston, TX, 77030, USA.
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20
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Zhong Q, da Rocha SRP. Poly(amidoamine) Dendrimer-Doxorubicin Conjugates: In Vitro Characteristics and Pseudosolution Formulation in Pressurized Metered-Dose Inhalers. Mol Pharm 2016; 13:1058-72. [PMID: 26832992 DOI: 10.1021/acs.molpharmaceut.5b00876] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Lung cancers are the leading cause of cancer death for both men and women. A series of PEGylated poly(amidoamine) dendrimer-based doxorubicin (DOX) nanocarriers (G3NH2-mPEG-nDOX) were synthesized and their chemistry tailored for the development of novel pseudosolution formulations in propellant-based metered-dose inhalers (pMDIs) with enhanced aerosol characteristics. A pH-labile bond was used to conjugate DOX to dendrimer for controlled intracellular release. We employed a two-step PEGylation strategy to cover a range of DOX loading and PEGylation density. We investigated the impact of pH, PEGylation density, and DOX payload on the release of DOX from the conjugate. We also determined the cellular internalization of the conjugate, the intracellular release kinetics of DOX from the conjugate, and their ability to kill human alveolar carcinoma cells (A549). The acid-labile conjugates sustained the release of DOX in acidic medium, and also intracellularly, as determined by nuclear colocalization studies with confocal microscopy. Meanwhile, DOX was retained in the conjugate at extracellular physiological conditions, indicating their potential to achieve spatial and temporal controlled release profiles. We also observed that the kinetics of cellular entry of the conjugates with DOX increased significantly compared to free DOX. Due to controlled release, the G3NH2-mPEG-nDOX conjugates showed time-dependent cell kill, but their cell kill ability was comparable to free DOX, which suggests their potential in vivo as compared to free DOX. The conjugates were formulated in pMDIs as pseudosolution formulations, with the help of a minimum amount of cosolvent (ethanol; <0.4%; v/v). The physical stability and aerosol characteristics of the conjugates were controlled by the PEGylation density of the carriers: the higher the PEG density, the better the dispersibility and the better the deep lung deposition of the conjugates (fine particle fraction up to ca. 80%).
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Affiliation(s)
- Qian Zhong
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University , 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Sandro R P da Rocha
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University , 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States.,Pharmaceutics and Chemical and Life Science Engineering, Virginia Commonwealth University , 410 N 12th Street, Richmond, Virginia 23298-0533, United States
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21
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Kuzmov A, Minko T. Nanotechnology approaches for inhalation treatment of lung diseases. J Control Release 2015; 219:500-518. [PMID: 26297206 DOI: 10.1016/j.jconrel.2015.07.024] [Citation(s) in RCA: 203] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 07/16/2015] [Accepted: 07/21/2015] [Indexed: 02/08/2023]
Abstract
Local administration of therapeutics by inhalation for treatment of lung diseases has the ability to deliver drugs, nucleic acids and peptides specifically to the site of their action and therefore enhance the efficacy of the treatment, limit the penetration of nebulized therapeutic agent(s) into the bloodstream and consequently decrease adverse systemic side effects of the treatment. Nanotechnology allows for a further enhancement of the treatment efficiency. The present review analyzes modern therapeutic approaches of inhaled nanoscale-based pharmaceutics for the detection and treatment of various lung diseases.
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Affiliation(s)
- Andriy Kuzmov
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway 08854, USA
| | - Tamara Minko
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway 08854, USA; Rutgers Cancer Institute of New Jersey, New Brunswick 08903, USA.
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22
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Meenach SA, Anderson KW, Hilt JZ, McGarry RC, Mansour HM. High-performing dry powder inhalers of paclitaxel DPPC/DPPG lung surfactant-mimic multifunctional particles in lung cancer: physicochemical characterization, in vitro aerosol dispersion, and cellular studies. AAPS PharmSciTech 2014; 15:1574-87. [PMID: 25139763 PMCID: PMC4245438 DOI: 10.1208/s12249-014-0182-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 07/23/2014] [Indexed: 11/30/2022] Open
Abstract
Inhalable lung surfactant-based carriers composed of synthetic phospholipids, dipalmitoylphosphatidylcholine (DPPC) and dipalmitoylphosphatidylglycerol (DPPG), along with paclitaxel (PTX), were designed and optimized as respirable dry powders using organic solution co-spray-drying particle engineering design. These materials can be used to deliver and treat a wide variety of pulmonary diseases with this current work focusing on lung cancer. In particular, this is the first time dry powder lung surfactant-based particles have been developed and characterized for this purpose. Comprehensive physicochemical characterization was carried out to analyze the particle morphology, surface structure, solid-state transitions, amorphous character, residual water content, and phospholipid bilayer structure. The particle chemical composition was confirmed using attenuated total reflectance-Fourier-transform infrared (ATR-FTIR) spectroscopy. PTX loading was high, as quantified using UV-VIS spectroscopy, and sustained PTX release was measured over weeks. In vitro cellular characterization on lung cancer cells demonstrated the enhanced chemotherapeutic cytotoxic activity of paclitaxel from co-spray-dried DPPC/DPPG (co-SD DPPC/DPPG) lung surfactant-based carrier particles and the cytotoxicity of the particles via pulmonary cell viability analysis, fluorescent microscopy imaging, and transepithelial electrical resistance (TEER) testing at air-interface conditions. In vitro aerosol performance using a Next Generation Impactor™ (NGI™) showed measurable powder deposition on all stages of the NGI and was relatively high on the lower stages (nanometer aerodynamic size). Aerosol dispersion analysis of these high-performing DPIs showed mass median diameters (MMADs) that ranged from 1.9 to 2.3 μm with excellent aerosol dispersion performance as exemplified by high values of emitted dose, fine particle fractions, and respirable fractions.
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MESH Headings
- 1,2-Dipalmitoylphosphatidylcholine/chemistry
- Administration, Inhalation
- Aerosols
- Antineoplastic Agents/administration & dosage
- Antineoplastic Agents/chemistry
- Calorimetry, Differential Scanning
- Cell Line, Tumor
- Cell Survival/drug effects
- Chemistry, Pharmaceutical
- Crystallography, X-Ray
- Delayed-Action Preparations
- Dose-Response Relationship, Drug
- Drug Carriers
- Dry Powder Inhalers
- Electric Impedance
- Equipment Design
- Humans
- Lung Neoplasms/drug therapy
- Lung Neoplasms/pathology
- Microscopy, Fluorescence
- Paclitaxel/administration & dosage
- Paclitaxel/chemistry
- Particle Size
- Phosphatidylglycerols/chemistry
- Powder Diffraction
- Powders
- Solubility
- Spectrophotometry, Ultraviolet
- Spectroscopy, Fourier Transform Infrared
- Surface Properties
- Technology, Pharmaceutical/methods
- Time Factors
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Affiliation(s)
- Samantha A. Meenach
- />Drug Development Division, Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536 USA
- />Department of Chemical and Materials Engineering, College of Engineering, University of Kentucky, Lexington, Kentucky 40506 USA
| | - Kimberly W. Anderson
- />Department of Chemical and Materials Engineering, College of Engineering, University of Kentucky, Lexington, Kentucky 40506 USA
- />Center of Membrane Sciences, University of Kentucky, Lexington, Kentucky USA
| | - J. Zach Hilt
- />Department of Chemical and Materials Engineering, College of Engineering, University of Kentucky, Lexington, Kentucky 40506 USA
- />Center of Membrane Sciences, University of Kentucky, Lexington, Kentucky USA
| | - Ronald C. McGarry
- />Department of Radiation Medicine, College of Medicine, University of Kentucky, Lexington, Kentucky 40536 USA
| | - Heidi M. Mansour
- />Skaggs Pharmaceutical Sciences Center, College of Pharmacy, The University of Arizona, 1703 E. Mabel St, Tucson, Arizona 85721 USA
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23
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Varshosaz J, Hassanzadeh F, Mardani A, Rostami M. Feasibility of haloperidol-anchored albumin nanoparticles loaded with doxorubicin as dry powder inhaler for pulmonary delivery. Pharm Dev Technol 2013; 20:183-96. [PMID: 24219091 DOI: 10.3109/10837450.2013.852576] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Haloperidol (Hal) is a ligand that can target sigma 2 receptors over-expressed in non-small cell lung cancer. Hal targeted nanoparticles of bovine serum albumin (BSA) were prepared for pulmonary delivery of doxorubicin (DOX). The conjugation was confirmed by Fourier transform infrared spectroscopy (FTIR) and (1)H nuclear magnetic resonance ((1)H NMR) spectroscopic methods. Nanoparticles were prepared by desolvation method from BSA-Hal and were loaded with DOX. They were characterized for their morphology, particle size, zeta potential, drug loading and release efficiency. The optimized nanoparticles were spray-dried using trehalose, l-leucin and mannitol as dry powder inhaler (DPI) in different inlet temperatures between 80 and 120°C. The obtained nanocomposites were characterized for their aerodynamic diameter, specific surface area (cm(2)/g) and fine particle fraction (FPF) by a Cascade Impactor device. The optimized nanoparticles showed particle size of 218 nm, zeta potential of -25.4 mV, drug entrapment efficiency of 89% and release efficiency of 56% until 2 h. After spray drying of these nanoparticles, the best results were obtained from mannitol with an inlet temperature of 80°C which produced a mean aerodynamic diameter of 4.58 μm, FPF of 66% and specific surface area of 6302.99 cm(2)/g. The obtained results suggest that the designed DPI could be a suitable inhaler for targeted delivery of DOX in pulmonary delivery.
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Affiliation(s)
- Jaleh Varshosaz
- Department of Pharmaceutics, School of Pharmacy, Isfahan University of Medical Sciences , Isfahan , Islamic Republic of Iran
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24
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Darwiche K, Zarogoulidis P, Karamanos NK, Domvri K, Chatzaki E, Constantinidis TC, Kakolyris S, Zarogoulidis K. Efficacy versus safety concerns for aerosol chemotherapy in non-small-cell lung cancer: a future dilemma for micro-oncology. Future Oncol 2013; 9:505-25. [PMID: 23560374 DOI: 10.2217/fon.12.205] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Inhaled chemotherapy was first used more than 30 years ago. Since then, numerous chemotherapeutic agents have been used in either in vitro or in vivo studies. Several aspects of the methodology of the drug administration have been thoroughly demonstrated and explained. However, the safety concerns of these studies were not thoroughly investigated and different results regarding the same drug formulations have been reported. There are cases where the studies failed to demonstrate the long-term effects of the chemotherapeutic drug formulations to the lung parenchyma. Acute and latent effects observed in a small number of human trial studies are still under investigation of inhaled chemotherapy administration. This review provides data regarding all up-to-date inhaled chemotherapy studies and presents the methodological parameters of the safety measures incorporated. In addition, a commentary regarding the safety concerns for the medical staff participating in these studies will be presented.
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Affiliation(s)
- Kaid Darwiche
- University Pulmonary Department-Interventional Unit, Ruhrland Clinic, University of Duisburg-Essen, Essen, Germany
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ElMeshad AN, Mortazavi SM, Mozafari MR. Formulation and characterization of nanoliposomal 5-fluorouracil for cancer nanotherapy. J Liposome Res 2013; 24:1-9. [DOI: 10.3109/08982104.2013.810644] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Meenach SA, Anderson KW, Zach Hilt J, McGarry RC, Mansour HM. Characterization and aerosol dispersion performance of advanced spray-dried chemotherapeutic PEGylated phospholipid particles for dry powder inhalation delivery in lung cancer. Eur J Pharm Sci 2013; 49:699-711. [PMID: 23707466 DOI: 10.1016/j.ejps.2013.05.012] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 05/14/2013] [Accepted: 05/15/2013] [Indexed: 12/26/2022]
Abstract
Pulmonary inhalation chemotherapeutic drug delivery offers many advantages for lung cancer patients in comparison to conventional systemic chemotherapy. Inhalable particles are advantageous in their ability to deliver drug deep in the lung by utilizing optimally sized particles and higher local drug dose delivery. In this work, spray-dried and co-spray dried inhalable lung surfactant-mimic PEGylated lipopolymers as microparticulate/nanoparticulate dry powders containing paclitaxel were rationally designed via organic solution advanced spray drying (no water) in closed-mode from dilute concentration feed solution. Dipalmitoylphosphatidylcholine (DPPC) and dipalmitoylphosphatidylethanolamine poly(ethylene glycol) (DPPE-PEG) with varying PEG chain length were mixed with varying amounts of paclitaxel in methanol to produce co-spray dried microparticles and nanoparticles. Scanning electron microscopy showed the spherical particle morphology of the inhalable particles. Thermal analysis and X-ray powder diffraction confirmed the retention of the phospholipid bilayer structure in the solid-state following spray drying, the degree of solid-state molecular order, and solid-state phase transition behavior. The residual water content of the particles was very low as quantified analytically Karl Fisher titration. The amount of paclitaxel loaded into the particles was quantified which indicated high encapsulation efficiencies (43-99%). Dry powder aerosol dispersion performance was measured in vitro using the Next Generation Impactor (NGI) coupled with the Handihaler dry powder inhaler device and showed mass median aerodynamic diameters in the range of 3.4-7 μm. These results demonstrate that this novel microparticulate/nanoparticulate chemotherapeutic PEGylated phospholipid dry powder inhalation aerosol platform has great potential in lung cancer drug delivery.
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Affiliation(s)
- Samantha A Meenach
- University of Kentucky, College of Pharmacy, Department of Pharmaceutical Sciences - Drug Development Division, Lexington, KY 40536-0596, USA
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Patel AR, Chougule MB, I T, Patlolla R, Wang G, Singh M. Efficacy of aerosolized celecoxib encapsulated nanostructured lipid carrier in non-small cell lung cancer in combination with docetaxel. Pharm Res 2013; 30:1435-46. [PMID: 23361589 DOI: 10.1007/s11095-013-0984-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Accepted: 01/09/2013] [Indexed: 12/25/2022]
Abstract
PURPOSE Evaluation of in-vivo anticancer activity of aerosolized Celecoxib encapsulated Nanolipidcarriers (Cxb-NLC) as a single therapeutic agent and combined with intravenously administered Docetaxel (Doc) against non-small cell lung cancer. METHODS Cxb-NLC were prepared by high-pressure homogenization and were characterized for its physicochemical characteristics. Metastatic A549 tumor model in Nu/Nu mice was used to evaluate response of aerosolized Cxb-NLC & Doc. Isolated lung tumor samples were analyzed for: a) DNA fragmentation and cleaved caspase-3 by immunohistochemistry, b) apoptotic and angiogenic protein markers by western blot, c) global proteomic alterations by an isobaric labeling quantitative proteomic method and d) toxicity studies of NLC. RESULTS The particle size of Cxb-NLC was 217 ± 20 nm, while entrapment efficiency was more than 90%. Cxb-NLC and Doc alone and in combination showed 25 ± 4%, 37 ± 5%, and 67 ± 4% reduction in tumor size respectively compared to control. Proteomic analysis with combination treatment further revealed significantly decreased expression of multiple pro-survival and pro-metastasis proteins as well as tumor invasion markers and the expression of S100 family proteins, such as S100A6 and S100P were decreased by 2.5 and 1.6 fold. CONCLUSIONS Combination therapy with Cxb-NLC and Doc showed significant reduction in tumor growth which was further confirmed by proteomic analysis.
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Affiliation(s)
- Apurva R Patel
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University,, Tallahassee, Florida 32307, USA
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Verma NK, Crosbie-Staunton K, Satti A, Gallagher S, Ryan KB, Doody T, McAtamney C, MacLoughlin R, Galvin P, Burke CS, Volkov Y, Gun'ko YK. Magnetic core-shell nanoparticles for drug delivery by nebulization. J Nanobiotechnology 2013; 11:1. [PMID: 23343139 PMCID: PMC3563500 DOI: 10.1186/1477-3155-11-1] [Citation(s) in RCA: 124] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Accepted: 01/18/2013] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Aerosolized therapeutics hold great potential for effective treatment of various diseases including lung cancer. In this context, there is an urgent need to develop novel nanocarriers suitable for drug delivery by nebulization. To address this need, we synthesized and characterized a biocompatible drug delivery vehicle following surface coating of Fe3O4 magnetic nanoparticles (MNPs) with a polymer poly(lactic-co-glycolic acid) (PLGA). The polymeric shell of these engineered nanoparticles was loaded with a potential anti-cancer drug quercetin and their suitability for targeting lung cancer cells via nebulization was evaluated. RESULTS Average particle size of the developed MNPs and PLGA-MNPs as measured by electron microscopy was 9.6 and 53.2 nm, whereas their hydrodynamic swelling as determined using dynamic light scattering was 54.3 nm and 293.4 nm respectively. Utilizing a series of standardized biological tests incorporating a cell-based automated image acquisition and analysis procedure in combination with real-time impedance sensing, we confirmed that the developed MNP-based nanocarrier system was biocompatible, as no cytotoxicity was observed when up to 100 μg/ml PLGA-MNP was applied to the cultured human lung epithelial cells. Moreover, the PLGA-MNP preparation was well-tolerated in vivo in mice when applied intranasally as measured by glutathione and IL-6 secretion assays after 1, 4, or 7 days post-treatment. To imitate aerosol formation for drug delivery to the lungs, we applied quercitin loaded PLGA-MNPs to the human lung carcinoma cell line A549 following a single round of nebulization. The drug-loaded PLGA-MNPs significantly reduced the number of viable A549 cells, which was comparable when applied either by nebulization or by direct pipetting. CONCLUSION We have developed a magnetic core-shell nanoparticle-based nanocarrier system and evaluated the feasibility of its drug delivery capability via aerosol administration. This study has implications for targeted delivery of therapeutics and poorly soluble medicinal compounds via inhalation route.
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Affiliation(s)
- Navin Kumar Verma
- Department of Clinical Medicine, Institute of Molecular Medicine, Trinity College Dublin, Dublin, Ireland.
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Meenach SA, Vogt FG, Anderson KW, Hilt JZ, McGarry RC, Mansour HM. Design, physicochemical characterization, and optimization of organic solution advanced spray-dried inhalable dipalmitoylphosphatidylcholine (DPPC) and dipalmitoylphosphatidylethanolamine poly(ethylene glycol) (DPPE-PEG) microparticles and nanoparticles for targeted respiratory nanomedicine delivery as dry powder inhalation aerosols. Int J Nanomedicine 2013; 8:275-93. [PMID: 23355776 PMCID: PMC3552552 DOI: 10.2147/ijn.s30724] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Novel advanced spray-dried and co-spray-dried inhalable lung surfactant-mimic phospholipid and poly(ethylene glycol) (PEG)ylated lipopolymers as microparticulate/nanoparticulate dry powders of biodegradable biocompatible lipopolymers were rationally formulated via an organic solution advanced spray-drying process in closed mode using various phospholipid formulations and rationally chosen spray-drying pump rates. Ratios of dipalmitoylphosphatidylcholine (DPPC) and dipalmitoylphosphatidylethanolamine PEG (DPPE-PEG) with varying PEG lengths were mixed in a dilute methanol solution. Scanning electron microscopy images showed the smooth, spherical particle morphology of the inhalable particles. The size of the particles was statistically analyzed using the scanning electron micrographs and SigmaScan® software and were determined to be 600 nm to 1.2 μm in diameter, which is optimal for deep-lung alveolar penetration. Differential scanning calorimetry (DSC) and powder X-ray diffraction (PXRD) were performed to analyze solid-state transitions and long-range molecular order, respectively, and allowed for the confirmation of the presence of phospholipid bilayers in the solid state of the particles. The residual water content of the particles was very low, as quantified analytically via Karl Fischer titration. The composition of the particles was confirmed using attenuated total-reflectance Fourier-transform infrared (ATR-FTIR) spectroscopy and confocal Raman microscopy (CRM), and chemical imaging confirmed the chemical homogeneity of the particles. The dry powder aerosol dispersion properties were evaluated using the Next Generation Impactor™ (NGI™) coupled with the HandiHaler® dry powder inhaler device, where the mass median aerodynamic diameter from 2.6 to 4.3 μm with excellent aerosol dispersion performance, as exemplified by high values of emitted dose, fine particle fraction, and respirable fraction. Overall, it was determined that the pump rates defined in the spray-drying process had a significant effect on the solid-state particle properties and that a higher pump rate produced the most optimal system. Advanced dry powder inhalers of inhalable lipopolymers for targeted dry powder inhalation delivery were successfully achieved.
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Affiliation(s)
- Samantha A Meenach
- Department of Pharmaceutical Sciences-Drug Development Division, University of Kentucky College of Pharmacy, Lexington, KY, USA
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Zarogoulidis P, Chatzaki E, Porpodis K, Domvri K, Hohenforst-Schmidt W, Goldberg EP, Karamanos N, Zarogoulidis K. Inhaled chemotherapy in lung cancer: future concept of nanomedicine. Int J Nanomedicine 2012; 7:1551-72. [PMID: 22619512 PMCID: PMC3356182 DOI: 10.2147/ijn.s29997] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Regional chemotherapy was first used for lung cancer 30 years ago. Since then, new methods of drug delivery and pharmaceuticals have been investigated in vitro, and in animals and humans. An extensive review of drug delivery systems, pharmaceuticals, patient monitoring, methods of enhancing inhaled drug deposition, safety and efficacy, and also additional applications of inhaled chemotherapy and its advantages and disadvantages are presented. Regional chemotherapy to the lung parenchyma for lung cancer is feasible and efficient. Safety depends on the chemotherapy agent delivered to the lungs and is dose-dependent and time-dependent. Further evaluation is needed to provide data regarding early lung cancer stages, and whether regional chemotherapy can be used as neoadjuvant or adjuvant treatment. Finally, inhaled chemotherapy could one day be administered at home with fewer systemic adverse effects.
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Affiliation(s)
- Paul Zarogoulidis
- Pulmonary Department, G Papanikolaou General Hospital, Aristotle University of Thessaloniki, Greece.
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Videira M, Almeida AJ, Fabra A. Preclinical evaluation of a pulmonary delivered paclitaxel-loaded lipid nanocarrier antitumor effect. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2011; 8:1208-15. [PMID: 22206945 DOI: 10.1016/j.nano.2011.12.007] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2011] [Revised: 10/06/2011] [Accepted: 12/15/2011] [Indexed: 12/19/2022]
Abstract
UNLABELLED Lung cancer remains a leading cause of death due to the low efficacy of chemotherapy, mainly related to the administration route used. Therefore, alternative administration routes are needed. Paclitaxel (PTX) is an insoluble anticancer drug active against solid tumors, such as those found in lung cancer, that has stimulated an intense research effort over recent years. Solid lipid nanoparticles (SLNs) are potential carriers for poorly soluble drugs, being biodegradable systems that served as alternatives to the usual colloidal carriers. That system was used to deliver PTX to the lungs and seem to fulfill the requirements for an optimum particulate carrier. Furthermore, PTX-loaded SLN pulmonary administration provided a target administration, which is expected to avoid high concentration of the drug at nontarget tissues, reducing toxicity, and increasing the drug's therapeutic index. The rationale of this study was to deliver a colloidal system to the lung lymphatics through a pulmonary route for cancer therapy. FROM THE CLINICAL EDITOR Paclitaxel-loaded solid lipid nanoparticles were used to target tumors in a murine lung cancer model enabling high PTX concentration in the target with reduced systemic toxicity and increased therapeutic index.
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Affiliation(s)
- Mafalda Videira
- iMed.UL - Research Institute for Medicines and Pharmaceutical Sciences, School of Pharmacy, Lisbon, Portugal.
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32
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Bosselmann S, Williams RO. Has nanotechnology led to improved therapeutic outcomes? Drug Dev Ind Pharm 2011; 38:158-70. [DOI: 10.3109/03639045.2011.597764] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Zarogoulidis P, Eleftheriadou E, Sapardanis I, Zarogoulidou V, Lithoxopoulou H, Kontakiotis T, Karamanos N, Zachariadis G, Mabroudi M, Zisimopoulos A, Zarogoulidis K. Feasibility and effectiveness of inhaled carboplatin in NSCLC patients. Invest New Drugs 2011; 30:1628-40. [PMID: 21739158 DOI: 10.1007/s10637-011-9714-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2011] [Accepted: 06/27/2011] [Indexed: 10/18/2022]
Abstract
BACKGROUND Inhaled chemotherapy is under investigation as an alternative therapeutic modality for Non-Small Cell Lung Cancer. METHODS 60 NSCLC patients were randomized into 3 groups in this study. 20/60 patients (group A-control group) received I.V. chemotherapy (carboplatin AUC ≈ 5.5 D1); 20/60 (group B) received 2/3 of I.V. predicted carboplatin dose by I.V. infusion and the rest 1/3 as aerosol (jet nebulised D1); and 20/60 (group C) received all the predicted I.V. dose of carboplatin as aerosol in 3 equally divided fractions D1-3. In all patients I.V. docetaxel 100/m(2) was as well administered (D1). Lung functional tests were performed in all groups before chemotherapy in the 3rd and 6th cycles. RESULTS Group B had a statistically significant increase in survival compared to control group A [275 days (95% CI 249-300) vs. 211 (95% CI 185-236)]. In regard to lung functional tests, a statistically significant decline was observed only in FEV1 of group C in 6 months compared to the initial measurement. CONCLUSIONS Inhaled carboplatin could be given as an alternative root of pulmonary drug delivery in selected patients, but further randomized studies remain to prove whether the inhaled chemotherapy is an efficient and safe treatment modality.
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Affiliation(s)
- Paul Zarogoulidis
- Pulmonary Department, Aristotle University, G Papanikolaou Hospital, Thessaloniki, Greece.
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Gemcitabine-loaded chitosan microspheres. Characterization and biological in vitro evaluation. Biomed Microdevices 2011; 13:799-807. [DOI: 10.1007/s10544-011-9550-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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35
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Carvalho TC, Carvalho SR, McConville JT. Formulations for Pulmonary Administration of Anticancer Agents to Treat Lung Malignancies. J Aerosol Med Pulm Drug Deliv 2011; 24:61-80. [DOI: 10.1089/jamp.2009.0794] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Gordon N, Kleinerman ES. Aerosol therapy for the treatment of osteosarcoma lung metastases: targeting the Fas/FasL pathway and rationale for the use of gemcitabine. J Aerosol Med Pulm Drug Deliv 2010; 23:189-96. [PMID: 20528149 DOI: 10.1089/jamp.2009.0812] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Lung metastases are the main cause of death in patients with osteosarcoma (OS). Salvage chemotherapy has been largely unsuccessful in improving the long-term survival of these patients. Understanding the mechanisms that play a role in the metastatic process may identify new therapeutic strategies. We have demonstrated that the cell surface Fas expression, the Fas/FasL signaling pathway, and the constitutive expression of FasL in the lung microenvironment play a critical role in the metastatic potential of OS cells. Here we review the status of Fas expression in two sets of OS cells, human SAOS and LM7 and murine K7 and K7M2, which differ in their ability to metastasize to the lungs. We demonstrated that Fas expression inversely correlated with metastatic potential. Evaluation of Fas expression in a set of lung metastases from patients demonstrated low or no Fas expression consistent with our hypothesis that Fas+ osteosarcoma cells cannot form metastases. The absence of FasL in the lung allows Fas+ osteosarcoma cells to form metastases indicating that the microenvironment is an important contributor to the metastatic potential of osteosarcoma cells. Disruption of the signal transduction pathway using Fas-associated death domain dominant negative (FDN) also allowed Fas+ cells to form lung metastases. Aerosol Gemcitabine (GCB) upregulated Fas expression and induced tumor regression in wild-type Balb/c mice but not Fas L-deficient mice. In conclusion, Fas constitutes an early defense mechanism that allows Fas+ tumor cells to undergo apoptosis when in contact with constitutive FasL in the lung. Fas- cells or cells with a corrupted Fas pathway evade this defense mechanism and form lung metastases. The aerosol delivery of chemotherapeutic agents that upregulate Fas expression may benefit patients with established pulmonary metastases.
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Affiliation(s)
- Nancy Gordon
- Children's Cancer Hospital, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, USA
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37
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Temozolomide-based dry powder formulations for lung tumor-related inhalation treatment. Pharm Res 2010; 28:762-75. [PMID: 21116692 DOI: 10.1007/s11095-010-0329-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Accepted: 11/12/2010] [Indexed: 01/20/2023]
Abstract
PURPOSE Temozolomide dry powder formulations for inhalation, performed with no excipient or with a lipid or lactose coating, have been evaluated. METHODS The particle size of raw temozolomide in suspension was reduced by a high-pressure homogenizing technique, and the solvent was evaporated by spray-drying to obtain a dry powder. The physicochemical properties of this powder were evaluated and included its crystalline state, thermal properties, morphology, particle size and moisture and drug content, and these properties were determined by X-ray powder diffraction, differential scanning calorimetry, scanning electron microscopy, laser light scattering, thermogravimetric analysis and high-performance liquid chromatography, respectively. The aerodynamic properties and release profiles were also evaluated using a multistage liquid impinger and a modified USP type 2 dissolution apparatus adapted for inhaler products, respectively. RESULTS The dry powder inhalation formulations had a high temozolomide content that ranged from 70% to 100% in the crystalline state and low moisture content. Aerodynamic evaluations showed high fine-particle fractions of up to 51% related to the metered dose. The dissolution profile revealed a similarly fast temozolomide release from the formulations. CONCLUSIONS Dry temozolomide powder formulations, based on the use of acceptable excipients for inhalation and showing good dispersion properties, represent an attractive alternative for use in local lung cancer therapy.
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Ichite N, Chougule M, Patel AR, Jackson T, Safe S, Singh M. Inhalation delivery of a novel diindolylmethane derivative for the treatment of lung cancer. Mol Cancer Ther 2010; 9:3003-14. [PMID: 20978159 DOI: 10.1158/1535-7163.mct-09-1104] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The purpose of this study was to determine the anticancer efficacy of 1,1-bis (3'-indolyl)-1-(p-biphenyl) methane (DIM-C-pPhC₆H₅) by inhalation delivery alone and in combination with i.v. docetaxel in a murine model for lung cancer. An aqueous DIM-C-pPhC₆H₅ formulation was characterized for its aerodynamic properties. Tumor-bearing athymic nude mice were exposed to nebulized DIM-C-pPhC₆H₅, docetaxel, or combination (DIM-C-pPhC₆H₅ plus docetaxel) using a nose-only exposure technique. The aerodynamic properties included mass median aerodynamic diameter of 1.8 ± 0.3 μm and geometric SD of 2.31 ± 0.02. Lung weight reduction in mice treated with the drug combination was 64% compared with 40% and 47% in mice treated with DIM-C-pPhC₆H₅ aerosol and docetaxel alone, respectively. Combination treatment decreased expression of Akt, cyclin D1, survivin, Mcl-1, NF-κB, IκBα, phospho-IκBα, and vascular endothelial growth factor (VEGF) and increased expression of c-Jun NH₂-terminal kinase 2 and Bad compared with tumors collected from single-agent treatment and control groups. DNA fragmentation was also enhanced in mice treated with the drug combination compared with docetaxel or DIM-C-pPhC₆H₅ alone. Combination treatment decreased expressions of VEGF and CD31 compared with single-agent treated and control groups. These results suggest that DIM-C-pPhC₆H₅ aerosol enhanced the anticancer activity of docetaxel in a lung cancer model by activating multiple signaling pathways. The study provides evidence that DIM-C-pPhC₆H₅ can be used alone or in combination with other drugs for the treatment of lung cancer using the inhalation delivery approach.
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Affiliation(s)
- Nkechi Ichite
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
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Kalantarian P, Najafabadi AR, Haririan I, Vatanara A, Yamini Y, Darabi M, Gilani K. Preparation of 5-fluorouracil nanoparticles by supercritical antisolvents for pulmonary delivery. Int J Nanomedicine 2010; 5:763-70. [PMID: 21042422 PMCID: PMC2962272 DOI: 10.2147/ijn.s12415] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
This study concerns the supercritical antisolvent process which allows single-step production of 5-fluorouracil (5-FU) nanoparticles. This process enhances the physical characteristics of 5-FU in order to deliver it directly to the respiratory tract. Several mixtures of methanol with dichloromethane, acetone, or ethanol were used for particle preparation, and their effects on the physical characteristics of the final products were studied. The conditions of the experiment included pressures of 100 and 150 bar, temperature of 40°C, and a flow rate of 1 mL/min. The particles were characterized physicochemically before and after the process for their morphology and crystallinity. In spite of differences in size, the particles were not very different regarding their morphology. The resulting particles were of a regular shape, partly spherical, and appeared to have a smooth surface, whereas the mechanically milled particles showed less uniformity, had surface irregularities and a high particle size distribution, and seemed aggregated. Particles of 5-FU precipitated from methanol-dichloromethane 50:50 had a mean particle size of 248 nm. In order to evaluate the aerodynamic behavior of the nanoparticles, six 5-FU dry powder formulations containing mixtures of coarse and fine lactose of different percentages were prepared. Deposition of 5-FU was measured using a twin-stage liquid impinger and analyzed using a validated high pressure liquid chromatography method. Addition of fine lactose improved the aerodynamic performance of the drug, as determined by the fine particle fraction.
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Affiliation(s)
- Pardis Kalantarian
- Aerosol Research Laboratory, Tehran University of Medical Sciences, Iran
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Comparaison prospective et randomisée de la morphine nébulisée versus la péridurale thoracique dans la prise en charge de la douleur des traumatisés thoraciques. ACTA ACUST UNITED AC 2010; 29:415-8. [DOI: 10.1016/j.annfar.2010.02.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Accepted: 02/24/2010] [Indexed: 11/20/2022]
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Yang YT, Chen CT, Yang JC, Tsai T. Spray-dried microparticles containing polymeric micelles encapsulating hematoporphyrin. AAPS JOURNAL 2010; 12:138-46. [PMID: 20101530 DOI: 10.1208/s12248-009-9172-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2009] [Accepted: 12/22/2009] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to examine the properties of a new pulmonary delivery platform of microparticles containing micelles in which a therapeutic photosensitizing drug, hematoporphyrin (Hp), was encapsulated. Different poloxamers were used to form micellar Hp, and one of these, Pluronic L122-Hp, was subsequently incorporated into lactose microparticles by spray-drying. Spectral and morphological analyses were performed on both micellar Hp, and lactose microparticles containing micellar Hp (lactose-micellar Hp) before and after dissolution of the microparticles in water. Photodynamic activity of the various Hp samples were evaluated in human lung epithelial carcinoma A549 cells using a light-emitting diode (LED) device at a wavelength of 630 +/- 5 nm. No significant difference was observed between micellar Hp and lactose-micellar Hp regarding the generation of singlet oxygen. The mean particle size of the microparticles was 2.3 +/- 0.7 microm which is within the size range for potential lung delivery. The cellular uptake of micellar Hp and lactose-micellar Hp measured on A549 cells was at least twofold higher than those obtained with the Hp at equivalent concentrations. Micellar Hp exhibited higher cytotoxicity than Hp due to reduced formation of Hp aggregates and increased cellar uptake. The spectral properties as well as the photodynamic activity of the micellar Hp was retained when formulated into microparticles by spray-drying. Microparticles containing micelles have the potential for delivering micelle-encapsulated hydrophobic drugs in targeted therapy of pulmonary diseases.
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Affiliation(s)
- Yu-Tsai Yang
- School of Dentistry, Taipei Medical University, Taipei 110, Taiwan, China
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42
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Pathak Y, Thassu D, Deleers M. Pharmaceutical Applications of Nanoparticulate Drug-Delivery Systems. ACTA ACUST UNITED AC 2009. [DOI: 10.1201/9781420008449.ch13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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43
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Does P-glycoprotein have a role in the lung clearances of inhaled 99mTc-sestamibi and 99mTc-tetrofosmin? Nucl Med Commun 2009; 30:617-21. [DOI: 10.1097/mnm.0b013e32832b9a2d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Tomoda K, Ohkoshi T, Hirota K, Sonavane GS, Nakajima T, Terada H, Komuro M, Kitazato K, Makino K. Preparation and properties of inhalable nanocomposite particles for treatment of lung cancer. Colloids Surf B Biointerfaces 2009; 71:177-82. [PMID: 19264458 DOI: 10.1016/j.colsurfb.2009.02.001] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2008] [Revised: 02/02/2009] [Accepted: 02/04/2009] [Indexed: 11/28/2022]
Abstract
Nanoparticles have widely been studied in drug delivery research for targeting and controlled release. The aim of this article is application of nanoparticles as an inhalable agent for treatment of lung cancer. To deposit effectively deep the particles in the lungs, the PLGA nanoparticles loaded with the anticancer drug 6-{[2-(dimethylamino)ethyl]amino}-3-hydroxyl-7H-indeno[2,1-c]quinolin-7-one dihydrochloride (TAS-103) were prepared in the form of nanocomposite particles. The nanocomposite particles consist of the complex of drug-loaded nanoparticles and excipients. In this study, the anticancer effects of the nanocomposite particles against the lung cancer cell line A549. Also, the concentration of TAS-103 in blood and lungs were determined after administration of the nanocomposite particles by inhalation to rats. TAS-103-loaded PLGA nanoparticles were prepared with 5% and 10% of loading ratio by spray drying method with trehalose as an excipient. The 5% drug-loaded nanocomposite particles were more suitable for inhalable agent because of the sustained release of TAS-103 and higher FPF value. Cytotoxicity of nanocomposite particles against A549 cells was higher than that of free drug. When the nanocomposite particles were administered in rats by inhalation, drug concentration in lung was much higher than that in plasma. Furthermore, drug concentration in lungs administered by inhalation of nanocomposite particles was much higher than that after intravenous administration of free drug. From these results, the nanocomposite particle systems could be promising for treatment of lung cancer.
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Affiliation(s)
- Keishiro Tomoda
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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Overhoff KA, Clayborough R, Crowley M. Review of the TAIFUN® Multidose Dry Powder Inhaler Technology. Drug Dev Ind Pharm 2008; 34:960-5. [DOI: 10.1080/03639040802154897] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Selting K, Waldrep JC, Reinero C, Branson K, Gustafson D, Kim DY, Henry C, Owen N, Madsen R, Dhand R. Feasibility and Safety of Targeted Cisplatin Delivery to a Select Lung Lobe in Dogs via the AeroProbe® Intracorporeal Nebulization Catheter. J Aerosol Med Pulm Drug Deliv 2008; 21:255-68. [DOI: 10.1089/jamp.2008.0684] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Kim Selting
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri
| | - J. Clifford Waldrep
- Internal Medicine, Division Pulmonary, Critical Care, and Environmental Medicine, University of Missouri, Columbia
- Harry S. Truman Memorial Veteran's Hospital, Columbia, Missouri
| | - Carol Reinero
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri
| | - Keith Branson
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri
| | | | - Dae Young Kim
- Division of Pathobiology, University of Missouri, Columbia, Missouri
| | - Carolyn Henry
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri
- Division of Hematology/Oncology, University of Missouri, Columbia, Missouri
| | - Nellie Owen
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri
| | - Richard Madsen
- Division of Biostatistics, University of Missouri, Columbia, Missouri
| | - Rajiv Dhand
- Internal Medicine, Division Pulmonary, Critical Care, and Environmental Medicine, University of Missouri, Columbia
- Harry S. Truman Memorial Veteran's Hospital, Columbia, Missouri
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Zhang G, Fandrey C, Naqwi A, Wiedmann TS. High-frequency ultrasonic atomization for drug delivery to rodent animal models - optimal particle size for lung inhalation of difluoromethyl ornithine. Exp Lung Res 2008; 34:209-23. [PMID: 18465401 DOI: 10.1080/01902140802022484] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
A high-(8-MHz) and a low-(1.7-MHz) frequency ultrasonic transducer were compared for delivering aerosols to mouse lung. The aerosol concentration (mass of dry particles/volume of air) rose nonlinearly with solution concentration of difluoromethyl ornithine for both transducers. The particle size was linear with the cube root of the solution concentration, and the slope of the low-frequency transducer was 8 times greater than that of the high-frequency transducer. The deposition fraction assessed by the assayed mass in the lung relative to the calculated inhaled mass was found to decline exponentially with particle size. The lower-frequency transducer provided a higher dose despite a lower deposition fraction, but the high-frequency transducer was more efficient and provides a more selective deposition in the lower respiratory tract while operating with significantly less demands on aerosol drying.
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Affiliation(s)
- Guifang Zhang
- Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota 55455, USA
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Gagnadoux F, Hureaux J, Vecellio L, Urban T, Le Pape A, Valo I, Montharu J, Leblond V, Boisdron-Celle M, Lerondel S, Majoral C, Diot P, Racineux JL, Lemarie E. Aerosolized chemotherapy. J Aerosol Med Pulm Drug Deliv 2008; 21:61-70. [PMID: 18518832 DOI: 10.1089/jamp.2007.0656] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Regional chemotherapy has been proposed as a treatment modality in a number of cancer settings. In primary or metastatic lung cancer, administration of chemotherapy via inhalation could increase exposure of lung tumor to the drug, while minimizing systemic side effects. Several proof of concept studies in animal models of metastatic or primary lung cancer have demonstrated the safety, pharmacokinetic advantage, and antitumor effect of aerosol administration of several chemotherapeutic agents including doxorubicin, gemcitabine and liposome-encapsulated formulations of paclitaxel and 9-nitrocamptothecin (9-NC). Recent phase I studies have demonstrated the feasibility of aerosol delivery of doxorubicin and liposomal formulations of 9-NC and cisplatin in patients with primary and metastatic lung cancer with a limited pharmacokinetic profile consistent with the observed low systemic toxicity. Further studies integrating safety, pharmacokinetic, and efficacy considerations are required to determine whether there is a place for local administration of chemotherapy via inhalation in lung cancer.
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Ruparelia P, Cheow HK, Evans JW, Banney L, Shankar S, Szczepura KR, Swift AE, Ballinger JR, Hartman NG, Chilvers ER, Peters AM. Pulmonary elimination rate of inhaled 99mTc-sestamibi radioaerosol is delayed in healthy cigarette smokers. Br J Clin Pharmacol 2008; 65:611-4. [PMID: 18279466 DOI: 10.1111/j.1365-2125.2008.03099.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT * Very little is known about the physiology of P-glycoprotein (P-gp) expression in the lungs. * Ex vivo evidence based on resected lung tissue suggests that pulmonary P-gp is upregulated by cigarette smoke, but there are no in vivo studies to date. WHAT THIS STUDY ADDS * The novel observation that healthy cigarette smokers have a delayed pulmonary elimination rate of inhaled (99m)Tc-sestamibi, a P-gp substrate, provides for the first time a potential method for quantifying functional pulmonary P-gp expression that may inform about drug therapy by inhalation as well as provide a non-invasive, quantitative, human biomarker for assessing P-gp modulators. AIM To explore inhaled technetium-99m-labelled hexakis-methoxy-isobutyl isonitrile ((99m)Tc-sestamibi) for quantifying pulmonary P-glycoprotein (P-gp) expression. METHODS The elimination rate from the lungs of (99m)Tc-sestamibi was recorded scintigraphically for 30 min following inhalation as an aerosol in healthy smokers, nonsmokers and patients with lung disease. RESULTS (99m)Tc-sestamibi elimination rates [% min(-1) (SD; P vs. healthy nonsmokers)] were: healthy nonsmokers, 0.43 (0.083); healthy smokers, 0.19 (0.056; P < 0.001); chronic obstructive pulmonary disease patients, 0.26 (0.077; P < 0.001). Elimination rates in three patients with interstitial lung disease were not accelerated. CONCLUSION Cigarette smoke upregulates lung P-gp. (99m)Tc-sestamibi elimination in normal smokers could be used to test new P-gp modulators. The findings also have implications for inhaled drug delivery.
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Affiliation(s)
- Prina Ruparelia
- Department of Radiology, University of Cambridge School of Clinical Medicine, Addenbrooke's and Papworth Hospitals, Cambridge, UK
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Tomoda K, Ohkoshi T, Kawai Y, Nishiwaki M, Nakajima T, Makino K. Preparation and properties of inhalable nanocomposite particles: Effects of the temperature at a spray-dryer inlet upon the properties of particles. Colloids Surf B Biointerfaces 2008; 61:138-44. [PMID: 17890065 DOI: 10.1016/j.colsurfb.2007.07.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2007] [Revised: 07/27/2007] [Accepted: 07/28/2007] [Indexed: 11/22/2022]
Abstract
To overcome the disadvantages both of microparticles and nanoparticles for inhalation, we have prepared nanocomposite particles as drug carriers targeting lungs. The nanocomposite particles having sizes about 2.5 microm composed of sugar and drug-loaded PLGA nanoparticles can reach deep in the lungs, and they are decomposed into drug-loaded PLGA nanoparticles in the alveoli. Sugar was used as a binder of PLGA nanoparticles to be nanocomposite particles and is soluble in alveolar lining fluid. The primary nanoparticles containing bioactive materials were prepared by using a probe sonicator. And then they were spray dried with carrier materials, such as trehalose and lactose. The effects of inlet temperature of spray dryer were studied between 60 and 120 degrees C and the kind of sugars upon properties of nanocomposite particles. When the inlet temperatures were 80 and 90 degrees C, nanocomposite particles with average diameters of about 2.5 microm are obtained and they are decomposed into primary nanoparticles in water, in both sugars are used as a binder. But, those prepared above 100 degrees C are not decomposed into nanoparticles in water, while the average diameter was almost 2.5 microm. On the other hand, nanocomposite particles prepared at lower inlet temperatures have larger sizes but better redispersion efficiency in water. By the measurements of aerodynamic diameters of the nanocomposite particles prepared with trehalose at 70, 80, and 90 degrees C, it was shown that the particles prepared at 80 degrees C have the highest fine particle fraction (FPF) value and the particles are suitable for pulmonary delivery of bioactive materials deep in the lungs. Meanwhile the case with lactose, the particles prepared at 90 degrees C have near the best FPF value but they have many particles larger than 11 microm.
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Affiliation(s)
- Keishiro Tomoda
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki Noda Chiba 278-8510, Japan
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