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Baryakova TH, Pogostin BH, Langer R, McHugh KJ. Overcoming barriers to patient adherence: the case for developing innovative drug delivery systems. Nat Rev Drug Discov 2023; 22:387-409. [PMID: 36973491 PMCID: PMC10041531 DOI: 10.1038/s41573-023-00670-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2023] [Indexed: 03/29/2023]
Abstract
Poor medication adherence is a pervasive issue with considerable health and socioeconomic consequences. Although the underlying reasons are generally understood, traditional intervention strategies rooted in patient-centric education and empowerment have proved to be prohibitively complex and/or ineffective. Formulating a pharmaceutical in a drug delivery system (DDS) is a promising alternative that can directly mitigate many common impediments to adherence, including frequent dosing, adverse effects and a delayed onset of action. Existing DDSs have already positively influenced patient acceptability and improved rates of adherence across various disease and intervention types. The next generation of systems have the potential to instate an even more radical paradigm shift by, for example, permitting oral delivery of biomacromolecules, allowing for autonomous dose regulation and enabling several doses to be mimicked with a single administration. Their success, however, is contingent on their ability to address the problems that have made DDSs unsuccessful in the past.
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Affiliation(s)
| | | | - Robert Langer
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Kevin J McHugh
- Department of Bioengineering, Rice University, Houston, TX, USA.
- Department of Chemistry, Rice University, Houston, TX, USA.
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2
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Protopapa C, Siamidi A, Pavlou P, Vlachou M. Excipients Used for Modified Nasal Drug Delivery: A Mini-Review of the Recent Advances. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6547. [PMID: 36233902 PMCID: PMC9571052 DOI: 10.3390/ma15196547] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/15/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
The ongoing challenging task in the field of nasal drug delivery is the maintenance of an efficient concentration of the active substance in the target area for an adequate period of time. Thus, there is an urgent need to develop effective new strategies for drug delivery to the nose, using cutting edge technology and materials for this particular type of drug delivery. This review gives an account of the critical components of nasal drug delivery and the parameters influencing drug absorption in the nose, including the excipients required for modified drug administration.
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Affiliation(s)
- Chrystalla Protopapa
- Department of Pharmacy, Section of Pharmaceutical Technology, School of Health Sciences, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Angeliki Siamidi
- Department of Pharmacy, Section of Pharmaceutical Technology, School of Health Sciences, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Panagoula Pavlou
- Department of Biomedical Sciences, Division of Aesthetics and Cosmetic Science, University of West Attica, 28 Ag. Spyridonos Str., 12243 Egaleo, Greece
| | - Marilena Vlachou
- Department of Pharmacy, Section of Pharmaceutical Technology, School of Health Sciences, National and Kapodistrian University of Athens, 15784 Athens, Greece
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Balde A, Kim SK, Benjakul S, Nazeer RA. Pulmonary drug delivery applications of natural polysaccharide polymer derived nano/micro-carrier systems: A review. Int J Biol Macromol 2022; 220:1464-1479. [PMID: 36116588 DOI: 10.1016/j.ijbiomac.2022.09.116] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 11/05/2022]
Abstract
Respiratory distress syndrome and pneumothorax are the foremost causes of death as a result of the changing lifestyle and increasing air pollution. Numerous approaches have been studied for the pulmonary delivery of drugs, proteins as well as peptides using meso/nanoparticles, nanocrystals, and liposomes. These nano/microcarrier systems (NMCs) loaded with drug provide better systemic as well as local action. Furthermore, natural polysaccharide-based polymers such as chitosan (CS), alginate (AG), hyaluronic acid, dextran, and cellulose are highly used for the preparation of nanoparticles and delivery of the drug into the pulmonary tract due to their advantageous properties such as low toxicity, high hydrophobicity, supplementary mucociliary clearance, mucoadhesivity, and biological efficacy. These properties ease the delivery of drugs onto the targeted site. Herein, recent advances in the natural polymer-derived NMCs have been reviewed for their transport and mechanism of action into the bronchiolar region as well as the respiratory region. Various physicochemical properties such as surface charge, size of nanocarrier system, surface modifications, and toxicological effects of these nanocarriers in vitro and in vivo are elucidated as well. Furthermore, challenges faced for the preparation of a model NMCs for pulmonary drug delivery are also discoursed.
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Affiliation(s)
- Akshad Balde
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamilnadu, India
| | - Se-Kwon Kim
- Department of Marine Science and Convergence Engineering, Hanyang University, Ansan-si, Gyeonggi-do 11558, South Korea
| | - Soottawat Benjakul
- Department of Food Technology, Faculty of Agro-Industry, Prince of Songkhla University, 90112 Hat Yai, Songkhla, Thailand
| | - Rasool Abdul Nazeer
- Biopharmaceuticals Lab, Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, Tamilnadu, India.
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A P, Agrawal M, Dethe MR, Ahmed H, Yadav A, Gupta U, Alexander A. Nose-to-brain drug delivery for the treatment of Alzheimer's Disease: Current advancements and challenges. Expert Opin Drug Deliv 2022; 19:87-102. [PMID: 35040728 DOI: 10.1080/17425247.2022.2029845] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION The irreversible destruction of neurons, progressive loss of memory and cognitive behavior, high cost of therapy, and impact on society desire a better, effective, and affordable treatment of AD. The nose-to-brain drug delivery approach holds a great potential to access the brain without any hindrance of BBB and result in higher bioavailability thus better therapeutic efficacy of anti-AD drugs. AREAS COVERED The present review article highlighted the current facts and worldwide statistics of AD and its detailed etiology. Followed by barriers to brain delivery, nose-to-brain delivery, their limitations, and amalgamation with various novel carrier systems. We have emphasized recent advancements in nose-to-brain delivery using mucoadhesive, stimuli-responsive carriers, polymeric nanoparticles, lipid nanoparticles, protein/peptide delivery for treatment of AD. EXPERT OPINION The available therapies are symptomatic, mitigate the symptoms of AD at the initial stages. In this lieu, nose-to-brain delivery has the ability to overcome these limitations and increase drug bioavailability in the brain. Various novel strategies including stimuli-responsive systems, nanoparticles, etc. enhance the nasal drug permeation, protects the drug, and enhance its therapeutic potency. Although, successful preclinical data does not assure the clinical success of the therapy and hence exhaustive clinical investigations are needed to make the therapy available for patients.
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Affiliation(s)
- Prabakaran A
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER-Guwahati), Sila, Changsari, Kamrup, Guwahati, Assam, India, 781101
| | - Mukta Agrawal
- School of Pharmacy & Technology Management, SVKM's Narsee Monjee Institute of Management Studies (NMIMS), Hyderabad, India, 509301
| | - Mithun Rajendra Dethe
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER-Guwahati), Sila, Changsari, Kamrup, Guwahati, Assam, India, 781101
| | - Hafiz Ahmed
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER-Guwahati), Sila, Changsari, Kamrup, Guwahati, Assam, India, 781101
| | - Awesh Yadav
- National Institute of Pharmaceutical Education and Research, Raebareli, Uttar Pradesh, India, 226002
| | - Umesh Gupta
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, India, 305817
| | - Amit Alexander
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER-Guwahati), Sila, Changsari, Kamrup, Guwahati, Assam, India, 781101
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Kashyap K, Shukla R. Drug Delivery and Targeting to the Brain Through Nasal Route: Mechanisms, Applications and Challenges. Curr Drug Deliv 2020; 16:887-901. [PMID: 31660815 DOI: 10.2174/1567201816666191029122740] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 08/05/2019] [Accepted: 10/15/2019] [Indexed: 02/06/2023]
Abstract
Blood-brain barrier (BBB) provides restrictions for the transportation of various therapeutic agents to the brain. Efforts to directly target the brain by olfactory as well as trigeminal nerve pathway, bypassing BBB, have grown significantly in recent times. The intranasal route of transportation of the drug encompasses ability for the delivery of drug directly to the brain, improves site-specificity in the brain and avoids systemic side effects. In the current era, novel drug delivery systems are useful tools for targeting the brain without providing any harmful effects in nasal mucosa as well as the central nervous system. The complex structure of nasal cavity, mucociliary clearance, degradation by the enzymes present in nasal cavity and pathological conditions like rhinitis, common cold, etc. are the major disputes for nasal drug delivery. The use of nanotechnological approaches like solid lipid nanoparticles, polymeric nanoparticles, nanoemulsions, liposomes and polymeric micelles provides the ability to overcome these barriers. There are several emerging nasal drug delivery technologies produced by various pharmaceutical companies to conquer these hurdles. This review tries to address the recent developments in the area of direct drug delivery to the brain through the nasal route.
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Affiliation(s)
- Kanchan Kashyap
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Rahul Shukla
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
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Dux M, Babes A, Manchen J, Sertel-Nakajima J, Vogler B, Schramm J, Messlinger K. High-dose phenylephrine increases meningeal blood flow through TRPV1 receptor activation and release of calcitonin gene-related peptide. Eur J Pain 2019; 24:383-397. [PMID: 31661581 DOI: 10.1002/ejp.1495] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND The α1 -adrenoceptor agonist, phenylephrine, is used at high concentrations as a mydriatic agent and for the treatment of nasal congestion. Among its adverse side-effects transient burning sensations are reported indicating activation of the trigeminal nociceptive system. METHODS Neuropeptide release, calcium imaging and meningeal blood flow recordings were applied in rodent models of meningeal nociception to clarify possible receptor mechanisms underlying these pain phenomena. RESULTS Phenylephrine above 10 mM dose-dependently released calcitonin gene-related peptide (CGRP) from the dura mater and isolated trigeminal ganglia, whereas hyperosmotic mannitol at 90 mM was ineffective. The phenylephrine-evoked release was blocked by the transient receptor potential vanilloid 1 (TRPV1) antagonist BCTC and did not occur in trigeminal ganglia of TRPV1-deficient mice. Phenylephrine at 30 mM caused calcium transients in cultured trigeminal ganglion neurons responding to the TRPV1 agonist capsaicin and in HEK293T cells expressing human TRPV1. Local application of phenylephrine at micromolar concentrations to the exposed rat dura mater reduced meningeal blood flow, whereas concentrations above 10 mM caused increased meningeal blood flow. The flow increase was abolished by pre-application of the CGRP receptor antagonist CGRP8-37 or the TRPV1 antagonist BCTC. CONCLUSIONS Phenylephrine at high millimolar concentrations activates TRPV1 receptor channels of perivascular afferents and, upon calcium inflow, releases CGRP, which increases meningeal blood flow. Activation of TRPV1 receptors may underlie trigeminal nociception leading to cranial pain such as local burning sensations or headaches caused by administration of high doses of phenylephrine. SIGNIFICANCE Phenylephrine is used at high concentrations as a mydriaticum and for treating nasal congestion. As adverse side-effects burning sensations and headaches have been described. Phenylephrine at high concentrations causes calcium transients in trigeminal afferents, CGRP release and increased meningeal blood flow upon activation of TRPV1 receptor channels, which is likely underlying the reported pain phenomena.
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Affiliation(s)
- Mária Dux
- Department of Physiology, University of Szeged, Szeged, Hungary
| | - Alexandru Babes
- Department of Anatomy, Physiology and Biophysics, University of Bucharest, Bucharest, Romania
| | - Jessica Manchen
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Nürnberg, Germany
| | - Julika Sertel-Nakajima
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Nürnberg, Germany
| | - Birgit Vogler
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Nürnberg, Germany
| | - Jana Schramm
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Nürnberg, Germany
| | - Karl Messlinger
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Nürnberg, Germany
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8
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Abstract
Biologics now constitute a significant element of available medical treatments. Owing to their clinical and commercial success, biologics are a rapidly growing class and have become a dominant therapeutic modality. Although most of the successful biologics to date are drugs that bear a peptidic backbone, ranging from small peptides to monoclonal antibodies (~500 residues; 150 kDa), new biologic modalities, such as nucleotide-based therapeutics and viral gene therapies, are rapidly maturing towards widespread clinical use. Given the rise of peptides and proteins in the pharmaceutical landscape, tremendous research and development interest exists in developing less-invasive or non-invasive routes for the systemic delivery of biologics, including subcutaneous, transdermal, oral, inhalation, nasal and buccal routes. This Review summarizes the current status, latest updates and future prospects for such delivery of peptides, proteins and other biologics.
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Verma D, Gulati N, Kaul S, Mukherjee S, Nagaich U. Protein Based Nanostructures for Drug Delivery. JOURNAL OF PHARMACEUTICS 2018; 2018:9285854. [PMID: 29862118 PMCID: PMC5976961 DOI: 10.1155/2018/9285854] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 03/26/2018] [Indexed: 01/10/2023]
Abstract
The key role of protein based nanostructures has recently revolutionized the nanomedicine era. Protein nanoparticles have turned out to be the major grounds for the transformation of different properties of many conventional materials by virtue of their size and greater surface area which instigates them to be more reactive to some other molecules. Protein nanoparticles have better biocompatibilities and biodegradability and also have the possibilities for surface modifications. These nanostructures can be synthesized by using protein like albumin, gelatin, whey protein, gliadin, legumin, elastin, zein, soy protein, and milk protein. The techniques for their fabrication include emulsification, desolvation, complex coacervation, and electrospray. The characterization parameters of protein nanoparticles comprise particle size, particle morphology, surface charge, drug loading, determination of drug entrapment, and particle structure and in vitro drug release. A plethora of protein nanoparticles applications via different routes of administration are explored and reported by eminent researchers which are highlighted in the present review along with the patents granted for protein nanoparticles as drug delivery carriers.
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Affiliation(s)
- Deepali Verma
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh 201301, India
| | - Neha Gulati
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh 201301, India
| | - Shreya Kaul
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh 201301, India
| | - Siddhartha Mukherjee
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh 201301, India
| | - Upendra Nagaich
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh 201301, India
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Lipton RB, Munjal S, Brand-Schieber E, Rapoport AM. DFN-02 (Sumatriptan 10 mg With a Permeation Enhancer) Nasal Spray vs Placebo in the Acute Treatment of Migraine: A Double-Blind, Placebo-Controlled Study. Headache 2018; 58:676-687. [DOI: 10.1111/head.13309] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 01/29/2018] [Accepted: 02/14/2018] [Indexed: 01/03/2023]
Affiliation(s)
- Richard B. Lipton
- Montefiore Medical Center; Bronx NY USA
- Department of Neurology; Albert Einstein College of Medicine; Bronx NY USA
| | - Sagar Munjal
- Promius Pharmaa subsidiary of Dr. Reddy's Laboratories; Princeton NJ USA
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Tiozzo Fasiolo L, Manniello MD, Tratta E, Buttini F, Rossi A, Sonvico F, Bortolotti F, Russo P, Colombo G. Opportunity and challenges of nasal powders: Drug formulation and delivery. Eur J Pharm Sci 2017; 113:2-17. [PMID: 28942007 DOI: 10.1016/j.ejps.2017.09.027] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 09/17/2017] [Accepted: 09/18/2017] [Indexed: 02/05/2023]
Abstract
In the field of nasal drug delivery, among the preparations defined by the European Pharmacopoeia, nasal powders facilitate the formulation of poorly water-soluble active compounds. They often display a simple composition in excipients (if any), allow for the administration of larger drug doses and enhance drug diffusion and absorption across the mucosa, improving bioavailability compared to nasal liquids. Despite the positive features, however, nasal products in this form still struggle to enter the market: the few available on the market are Onzetra Xsail® (sumatriptan) for migraine relief and, for the treatment of rhinitis, Rhinocort® Turbuhaler® (budesonide), Teijin Rhinocort® (beclomethasone dipropionate) and Erizas® (dexamethasone cipecilate). Hence, this review tries to understand why nasal powder formulations are still less common than liquid ones by analyzing whether this depends on the lack of (i) real evidence of superior therapeutic benefit of powders, (ii) therapeutic and/or commercial interest, (iii) efficient manufacturing methods or (iv) availability of suitable and affordable delivery devices. To this purpose, the reader's attention will be guided through nasal powder formulation strategies and manufacturing techniques, eventually giving up-to-date evidences of therapeutic efficacy in vivo. Advancements in the technology of insufflation devices will also be provided as nasal drug products are typical drug-device combinations.
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Affiliation(s)
- Laura Tiozzo Fasiolo
- Food and Drug Department, University of Parma, Viale delle Scienze 27A, 43124 Parma, Italy; Department of Life Sciences and Biotechnology, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy
| | - Michele Dario Manniello
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano (SA), Italy
| | - Elena Tratta
- Department of Life Sciences and Biotechnology, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy
| | - Francesca Buttini
- Food and Drug Department, University of Parma, Viale delle Scienze 27A, 43124 Parma, Italy
| | - Alessandra Rossi
- Food and Drug Department, University of Parma, Viale delle Scienze 27A, 43124 Parma, Italy
| | - Fabio Sonvico
- Food and Drug Department, University of Parma, Viale delle Scienze 27A, 43124 Parma, Italy
| | - Fabrizio Bortolotti
- Department of Life Sciences and Biotechnology, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy
| | - Paola Russo
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano (SA), Italy
| | - Gaia Colombo
- Department of Life Sciences and Biotechnology, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy.
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Khan AR, Liu M, Khan MW, Zhai G. Progress in brain targeting drug delivery system by nasal route. J Control Release 2017; 268:364-389. [PMID: 28887135 DOI: 10.1016/j.jconrel.2017.09.001] [Citation(s) in RCA: 199] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 08/31/2017] [Accepted: 09/01/2017] [Indexed: 12/13/2022]
Abstract
The blood-brain barrier (BBB) restricts the transport of potential therapeutic moieties to the brain. Direct targeting the brain via olfactory and trigeminal neural pathways by passing the BBB has gained an important consideration for delivery of wide range of therapeutics to brain. Intranasal route of transportation directly delivers the drugs to brain without systemic absorption, thus avoiding the side effects and enhancing the efficacy of neurotherapeutics. Over the last several decades, different drug delivery systems (DDSs) have been studied for targeting the brain by the nasal route. Novel DDSs such as nanoparticles (NPs), liposomes and polymeric micelles have gained potential as useful tools for targeting the brain without toxicity in nasal mucosa and central nervous system (CNS). Complex geometry of the nasal cavity presented a big challenge to effective delivery of drugs beyond the nasal valve. Recently, pharmaceutical firms utilized latest and emerging nasal drug delivery technologies to overcome these barriers. This review aims to describe the latest development of brain targeted DDSs via nasal administration. CHEMICAL COMPOUNDS STUDIED IN THIS ARTICLE Carbopol 934p (PubChem CID: 6581) Carboxy methylcellulose (PubChem CID: 24748) Penetratin (PubChem CID: 101111470) Poly lactic-co-glycolic acid (PubChem CID: 23111554) Tween 80 (PubChem CID: 5284448).
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Affiliation(s)
- Abdur Rauf Khan
- Department of Pharmaceutics, College of Pharmacy, Shandong University, 44 Wenhua Xilu, Jinan 250012, China
| | - Mengrui Liu
- Department of Pharmaceutics, College of Pharmacy, Shandong University, 44 Wenhua Xilu, Jinan 250012, China
| | - Muhammad Wasim Khan
- Department of Pharmaceutics, College of Pharmacy, Shandong University, 44 Wenhua Xilu, Jinan 250012, China
| | - Guangxi Zhai
- Department of Pharmaceutics, College of Pharmacy, Shandong University, 44 Wenhua Xilu, Jinan 250012, China.
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Patel H, Patel P, Modi N, Shah S, Ghoghari A, Variya B, Laddha R, Baradia D, Dobaria N, Mehta P, Srinivas NR. One should avoid retro-orbital pharmacokinetic sample collections for intranasal dosing in rats: Illustration of spurious pharmacokinetics generated for anti-migraine drugs zolmitriptan and eletriptan. Eur J Pharm Sci 2017; 106:87-93. [PMID: 28549679 DOI: 10.1016/j.ejps.2017.05.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/19/2017] [Accepted: 05/20/2017] [Indexed: 11/16/2022]
Abstract
Because of the avoidance of first pass metabolic effects due to direct and rapid absorption with improved permeability, intranasal route represents a good alternative for extravascular drug administration. The aim of the study was to investigate the intranasal pharmacokinetics of two anti-migraine drugs (zolmitriptan and eletriptan), using retro-orbital sinus and jugular vein sites sampling. In a parallel study design, healthy male Sprague-Dawley (SD) rats aged between 8 and 12weeks were divided into groups (n=4 or 5/group). The animals of individual groups were dosed intranasal (~1.0mg/kg) and oral doses of 2.1mg/kg of either zolmitriptan or eletriptan. Serial blood sampling was performed from jugular vein or retro-orbital site and plasma samples were analyzed for drug concentrations using LC-MS/MS assay. Standard pharmacokinetics parameters such as Tmax, Cmax, AUClast, AUC0-inf and T1/2 were calculated and statistics of derived parameters was performed using unpaired t-test. After intranasal dosing, the mean pharmacokinetic parameters Cmax and AUCinf of zolmitriptan/eletriptan showed about 17-fold and 3-5-fold higher values for retro-orbital sampling as compared to the jugular vein sampling site. Whereas after oral administration such parameters derived for both drugs were largely comparable between the two sampling sites and statistically non-significant. In conclusion, the assessment of plasma levels after intranasal administration with retro-orbital sampling would result in spurious and misleading pharmacokinetics.
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Affiliation(s)
- Harilal Patel
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Prakash Patel
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Nirav Modi
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Shaival Shah
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Ashok Ghoghari
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Bhavesh Variya
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Ritu Laddha
- Pharmaceutical Technology Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Dipesh Baradia
- Pharmaceutical Technology Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Nitin Dobaria
- Pharmaceutical Technology Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Pavak Mehta
- Pharmaceutical Technology Centre, Cadila Healthcare Limited, Ahmedabad, India
| | - Nuggehally R Srinivas
- Department of Drug Metabolism and Pharmacokinetics, Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India.
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Dolberg AM, Reichl S. Activity of Multidrug Resistance-Associated Proteins 1-5 (MRP1-5) in the RPMI 2650 Cell Line and Explants of Human Nasal Turbinate. Mol Pharm 2017; 14:1577-1590. [PMID: 28291371 DOI: 10.1021/acs.molpharmaceut.6b00838] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The profound influence of ATP-binding cassette (ABC) transporters on the disposition of numerous drugs has led to increased interest in characterizing their expression profiles in various epithelial and endothelial barriers. The present work examined the presence and functional activity of five ABC efflux proteins, i.e., MRP 1-5, in freshly isolated human nasal epithelial cells and two in vitro models based on the human RPMI 2650 cell line. To evaluate the expression patterns of MRP1, MRP2, MRP3, MRP4, and MRP5 at the mRNA and protein levels in the ex vivo model and the differently cultured RPMI 2650 cells, reverse transcriptase polymerase chain reaction (RT-PCR), Western blot analysis, and indirect immunofluorescence staining were used. The functionality of the MRP transporters in the three models was assessed using efflux experiments and accumulation assays with the respective substrates and inhibitors. The mRNA and protein expression of all selected ABC transporters was detected in excised human nasal mucosa as well as in the corresponding cell culture models. Moreover, the functional expression of the MRP transport proteins was demonstrated in the three models for the first time. Therefore, the potential impact of multidrug resistance-associated proteins 1-5 on drug disposition after intranasal administration may be taken into consideration for future developments. The specimens of human nasal turbinate exhibited slightly lower efflux capacities of MRP1, MRP3, and MRP5 in relation to the submerged and ALI-cultured RPMI 2650 cells, but showed a promising comparability to both in vitro models concerning the activity of MRP2 and MRP4. In this regard, the different RPMI 2650 cell culture models will be able to provide useful experimental data in the preclinical phase to estimate the interaction of particular efflux transporters with drug candidates for nasal application.
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Affiliation(s)
- Anne M Dolberg
- Institut für Pharmazeutische Technologie, Technische Universität Braunschweig , Braunschweig 38106, Germany
| | - Stephan Reichl
- Institut für Pharmazeutische Technologie, Technische Universität Braunschweig , Braunschweig 38106, Germany.,Zentrum für Pharmaverfahrenstechnik, Technische Universität Braunschweig , Braunschweig 38106, Germany
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Munjal S, Gautam A, Offman E, Brand-Schieber E, Allenby K, Fisher DM. A Randomized Trial Comparing the Pharmacokinetics, Safety, and Tolerability of DFN-02, an Intranasal Sumatriptan Spray Containing a Permeation Enhancer, With Intranasal and Subcutaneous Sumatriptan in Healthy Adults. Headache 2016; 56:1455-1465. [PMID: 27613076 DOI: 10.1111/head.12905] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Revised: 07/11/2016] [Accepted: 07/12/2016] [Indexed: 11/27/2022]
Abstract
OBJECTIVE/BACKGROUND Intranasal sumatriptan (Imitrex® ) may be an alternative for patients who refuse injections and cannot tolerate oral agents, but due to low bioavailability and slow absorption, the clinical utility of the currently marketed formulation is limited, highlighting an unmet need for an effective non-oral migraine medication with a rapid onset of action. To overcome the slow absorption profile associated with intranasal administration, we evaluated the impact of 1-O-n-Dodecyl-β-D-Maltopyranoside (DDM, Intravail A-3™), a permeation enhancer, on sumatriptan's pharmacokinetic profile by comparing the pharmacokinetic characteristics of two commercial sumatriptan products, 4 mg subcutaneous and 6 mg subcutaneous in healthy adults, with DFN-02 - a novel intranasal agent comprised of sumatriptan 10 mg plus 0.20% DDM. We also determined the pharmacokinetic characteristics of DDM and evaluated its safety and tolerability. METHODS We conducted two studies: a randomized, three-way crossover study comparing monodose and multidose devices for delivery of single doses of DFN-02 with commercially available intranasal sumatriptan 20 mg in 18 healthy, fasted adults, and an open-label, randomized, single-dose, three-way crossover bioavailability study comparing DFN-02 with 4 mg and 6 mg subcutaneous sumatriptan in 78 healthy, fasted adults. In the study comparing DFN-02 with IN sumatriptan, subjects received a single dose of DFN-02 (sumatriptan 10 mg plus DDM 0.20%) via monodose and multidose delivery systems with at least 5 days between treatments. In the comparison with SC sumatriptan, subjects received a single dose of each treatment with at least 3 days between treatments. In both studies, blood was sampled for pharmacokinetic evaluation of sumatriptan and DDM through 24 hours post-dose; safety and tolerability were monitored throughout. RESULTS In the comparison with commercially available intranasal sumatriptan 20 mg, DFN-02 had a more rapid absorption profile; tmax was 15 minutes for DFN-02 monodose, 10.2 minutes for DFN-02 multidose, and 2.0 hours for commercially available intranasal sumatriptan 20 mg. Compared with 4 and 6 mg subcutaneous sumatriptan, DFN-02's median tmax (10 minutes) was significantly earlier (15 minutes; P < .0001). Mean sumatriptan exposure metrics were similar for DFN-02 and 4 mg sumatriptan: AUC0-2 : 35.12 and 44.82 ng*hour/mL, respectively; AUC0-∞ : 60.70 and 69.21 ng*hour/mL, respectively; Cmax : 51.79 and 49.07 ng/mL, respectively. With 6 mg subcutaneous sumatriptan, these exposure metrics were about 50% larger (AUC0-2 : 67.17 ng*hour/mL; AUC0-∞ : 103.78 ng*hour/mL; Cmax : 72.75 ng/mL). Inter-subject variability of AUC0-2 , AUC0-∞ , and Cmax was 42-58% for DFN-02, 15-22% for 4 mg subcutaneous sumatriptan, and 15-25% for 6 mg subcutaneous sumatriptan. DDM exposure was low (mean Cmax : 1.63 ng/mL), tmax was 30 minutes, and it was undetectable by 4 hours. There were no serious adverse events, discontinuations due to adverse events, or remarkable findings for vital signs, physical examinations (including nasal and injection site examinations), or clinical laboratory assessments. The overall incidence of adverse events was comparable across treatments, and all treatment-related events were mild in severity. Adverse events occurring in ≥10% of subjects were dysgeusia (19%), headache (18%), nausea (15%), paresthesia (15%), and dizziness (12%). CONCLUSIONS In healthy subjects, DFN-02, an intranasal spray containing 10 mg sumatriptan plus DDM, had a more rapid absorption profile than commercially available intranasal sumatriptan 20 mg, and systemic exposure from a single-dose administration of DFN-02 was similar to 4 mg SC sumatriptan and two-thirds that of 6 mg SC sumatriptan. With DFN-02, plasma sumatriptan peaked 5 minutes earlier than with both subcutaneous formulations. Systemic exposure to sumatriptan was similar with DFN-02 and 4 mg subcutaneous sumatriptan; both yielded lower systemic exposure than 6 mg subcutaneous sumatriptan. Systemic exposure to DFN-02's excipient DDM was short-lived. DFN-02's safety and tolerability appear to be comparable to subcutaneous sumatriptan. Addition of a permeation enhancer improved the absorption profile compared with commercially available intranasal sumatriptan 20 mg.
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Affiliation(s)
- Sagar Munjal
- Dr. Reddy's Laboratories Ltd, Princeton, NJ, USA.
| | | | - Elliot Offman
- Dr. Reddy's Laboratories, Hyderabad, India (A. Gautam); Celerion, Montreal, Canada
| | | | - Kent Allenby
- Dr. Reddy's Laboratories Ltd, Princeton, NJ, USA
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Abstract
ABSTRACT:Objectives:To provide an overview of the objectives and target population of the guideline, and to review the general principles of acute pharmacological migraine therapy.Methods:A general literature review and several consensus groups were used to formulate an expert consensus for the general use of acute migraine medications.Results:The objective of the guideline is to assist the physician in choosing an appropriate acute migraine medication for an individual with migraine, and thereby to reduce migraine-related disability. The target population includes adults with episodic migraine (patients with migraine headache < 15 days/month). This guideline is intended primarily for physicians who treat patients with migraine. Other health professionals may also find this guideline helpful. Acute migraine therapy should be considered for the great majority of patients with migraine. A specific acute medication is chosen based on evidence for efficacy, tolerability, migraine attack severity, patient preference, and on the presence of co-existing disorders. General principles of acute migraine therapy include that the response of a patient to any given medication cannot be predicted with certainty, and that treatment early in the attack is generally more effective than treatment later once the migraine attack is fully developed. A suitable treatment approach (stratified or stepped approaches) and drug formulation (injection, tablet, wafer, powdered formulation, or nasal spray) should be chosen based on patient clinical features. Excessively frequent use of acute medications (medication overuse) should be avoided. Two or more acute medications can be combined if necessary.Conclusions:This guideline provides evidence-based advice on the use of acute medications for migraine, and should provide useful guidance for acute migraine therapy to both health professionals and patients.
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Cros CD, Toth I, Blanchfield JT. Delivery of a lactose derivative of endomorphin 1 to the brain via the olfactory epithelial pathway. Bioorg Med Chem Lett 2014; 24:1373-5. [DOI: 10.1016/j.bmcl.2014.01.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 01/13/2014] [Accepted: 01/14/2014] [Indexed: 10/25/2022]
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Abstract
Some of the most prevalent and debilitating pain conditions arise from the structures innervated by the trigeminal system (head, face, masticatory musculature, temporomandibular joint and associated structures). Orofacial pain (OFP) can arise from different regions and etiologies. Temporomandibular disorders (TMD) are the most prevalent orofacial pain conditions for which patients seek treatment. Temporomandibular disorders include a number of clinical problems that involve the masticatory musculature, the temporomandibular joint (TMJ) or both. Trigeminal neuropathic pain conditions can arise from injury secondary to dental procedures, infection, neoplasias, or disease or dysfunction of the peripheral and/or central nervous system. Neurovascular disorders, such as primary headaches, can present as chronic orofacial pain, such as in the case of facial migraine, where the pain is localized in the second and third division of the trigeminal nerve. Together, these disorders of the trigeminal system impact the quality of life of the sufferer dramatically. A multidisciplinary pain management approach should be considered for the optimal treatment of orofacial pain disorders including both non-pharmacological and pharmacological modalities.
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Affiliation(s)
- Marcela Romero-Reyes
- Orofacial and Head Pain Service, Department of Oral and Maxillofacial Pathology Radiology and Medicine, New York University College of Dentistry, New York, NY, USA
| | - James M Uyanik
- Orofacial and Head Pain Service, Department of Oral and Maxillofacial Pathology Radiology and Medicine, New York University College of Dentistry, New York, NY, USA
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Introduction to the Guideline, and General Principles of Acute Migraine Management. Can J Neurol Sci 2013. [DOI: 10.1017/s0317167100017820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Abstract
Dihydroergotamine (DHE) was first used to treat migraine in 1945 and is currently included among migraine-specific treatments for moderate-severe migraine. DHE may be administered through several routes of delivery, with efficacy and tolerability varying among formulations. We review DHE formulation approaches for the acute treatment of migraine, reviewing pharmacokinetics/dynamics and comparing clinical response among various formulations. Pharmacokinetic properties vary among DHE formulations, with peak concentration occurring in 6 min with intravenous, 34 min with intramuscular, 56 min with intranasal, 12 min with oral inhalation and 75 min with oral administration. DHE is a potent agonist at serotonin 5-HT1B and 5-HT1D receptors. Adverse effects due to binding to select adrenergic and dopaminergic receptors are significantly less with orally inhaled than intravenous DHE when comparing therapeutically effective doses. Among parenteral formulations (including subcutaneous, intramuscular, intravenous and nasal spray), efficacy is superior with injectable dosing. Nasal spray DHE is generally more effective than placebo, but less effective than sumatriptan. Orally inhaled DHE is likewise more effective than placebo, but there are no head-to-head comparisons with triptans available for review. Adverse effects, particularly nausea, may limit use of parenteral DHE. Nausea is generally less frequent with non-injectable dosing.
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Djupesland PG. Nasal drug delivery devices: characteristics and performance in a clinical perspective-a review. Drug Deliv Transl Res 2013; 3:42-62. [PMID: 23316447 PMCID: PMC3539067 DOI: 10.1007/s13346-012-0108-9] [Citation(s) in RCA: 318] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Nasal delivery is the logical choice for topical treatment of local diseases in the nose and paranasal sinuses such as allergic and non-allergic rhinitis and sinusitis. The nose is also considered an attractive route for needle-free vaccination and for systemic drug delivery, especially when rapid absorption and effect are desired. In addition, nasal delivery may help address issues related to poor bioavailability, slow absorption, drug degradation, and adverse events in the gastrointestinal tract and avoids the first-pass metabolism in the liver. However, when considering nasal delivery devices and mechanisms, it is important to keep in mind that the prime purpose of the nasal airway is to protect the delicate lungs from hazardous exposures, not to serve as a delivery route for drugs and vaccines. The narrow nasal valve and the complex convoluted nasal geometry with its dynamic cyclic physiological changes provide efficient filtration and conditioning of the inspired air, enhance olfaction, and optimize gas exchange and fluid retention during exhalation. However, the potential hurdles these functional features impose on efficient nasal drug delivery are often ignored. With this background, the advantages and limitations of existing and emerging nasal delivery devices and dispersion technologies are reviewed with focus on their clinical performance. The role and limitations of the in vitro testing in the FDA guidance for nasal spray pumps and pressurized aerosols (pressurized metered-dose inhalers) with local action are discussed. Moreover, the predictive value and clinical utility of nasal cast studies and computer simulations of nasal airflow and deposition with computer fluid dynamics software are briefly discussed. New and emerging delivery technologies and devices with emphasis on Bi-Directional™ delivery, a novel concept for nasal delivery that can be adapted to a variety of dispersion technologies, are described in more depth.
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Gavini E, Rassu G, Ferraro L, Beggiato S, Alhalaweh A, Velaga S, Marchetti N, Bandiera P, Giunchedi P, Dalpiaz A. Influence of polymeric microcarriers on the in vivo intranasal uptake of an anti-migraine drug for brain targeting. Eur J Pharm Biopharm 2012; 83:174-83. [PMID: 23153670 DOI: 10.1016/j.ejpb.2012.10.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Revised: 10/05/2012] [Accepted: 10/10/2012] [Indexed: 11/24/2022]
Abstract
The objective of this study was to investigate the effect of polymeric microcarriers on the in vivo intranasal uptake of an anti-migraine drug for brain targeting. Mucoadhesive powder formulations consisted of antimigraine drug, zolmitriptan, and chitosans (various molecular weights and types) or hydroxypropyl methylcellulose (HPMC). Their suitability for nasal administration was evaluated by in vitro and ex vivo mucoadhesion and permeation tests. The formulations based on chitosan glutamate (CG) or HPMC were tested in vivo because they showed good mucoadhesive properties and altered the permeation rate of the drug. The in vivo results from intravenous infusion and nasal aqueous suspension of the drug or nasal particulate powders were compared. The plasmatic AUC values obtained within 8h following intravenous administration appeared about three times higher than those obtained by nasal administration, independent of the formulations. Zolmitriptan concentrations in the cerebrospinal fluid obtained from nasal and intravenous administrations were, respectively, 30 and 90 times lower than the concentrations of the drug in the blood. Thus, nasal administration potentiated the central zolmitriptan activity, allowing a reduction in the drug peripheral levels, with respect to the intravenous administration. Among nasally administered formulations, CG microparticles showed the highest efficacy in promoting the central uptake of zolmitriptan within 1h.
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Affiliation(s)
- Elisabetta Gavini
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy.
| | - Giovanna Rassu
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy.
| | - Luca Ferraro
- Department of Experimental and Clinical Medicine, University of Ferrara, Ferrara, Italy.
| | - Sarah Beggiato
- Department of Experimental and Clinical Medicine, University of Ferrara, Ferrara, Italy.
| | - Amjad Alhalaweh
- Department of Health Sciences, Luleå University of Technology, Luleå, Sweden.
| | - Sitaram Velaga
- Department of Health Sciences, Luleå University of Technology, Luleå, Sweden.
| | | | - Pasquale Bandiera
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy.
| | - Paolo Giunchedi
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy.
| | - Alessandro Dalpiaz
- Department of Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy.
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Pfaffenrath V, Fenzl E, Bregman D, Färkkila M. Intranasal ketorolac tromethamine (SPRIX®) containing 6% of lidocaine (ROX-828) for acute treatment of migraine: Safety and efficacy data from a phase II clinical trial. Cephalalgia 2012; 32:766-77. [DOI: 10.1177/0333102412451359] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objective Ketorolac is a non-triptan, non-opioid, mixed cyclooxygenase (COX)1/2-inhibitor for short-term management of moderate-to-severe acute pain. This trial evaluated an intranasal formulation of ketorolac tromethamine (SPRIX®) containing 6% lidocaine (ROX-828) for the acute treatment of migraine with and without aura as defined by the International Headache Society. Methods Patients were randomly assigned 1:1 to self-treat with intranasal ROX-828 (31.5 mg ketorolac tromethamine/200 µL, containing 6% of lidocaine) or placebo (with 6% lidocaine) within four hours of a new migraine attack rated ≥ moderate in pain intensity. Assessments included headache intensity and associated migraine symptoms (nausea, vomiting, phonophobia, photophobia) measured at baseline and at regular intervals through 48 hours post-dosing, and global impression of efficacy (seven-point scale) measured at two hours. Results Randomized patients who had a migraine attack ( N = 140) were evaluable (ROX-828, N = 68; placebo, N = 72). Patients receiving ROX-828 showed a significant ( p < 0.05) improvement in pain relief at all time points except 0.5 and 24 hours compared with those who received placebo. More patients achieved pain-free status with ROX-828 than with placebo at 1.5, 3, 4, 24 and 48 hours ( p < 0.05); significance at the two-hour time point, which was the primary endpoint, was not met. Patients’ global impression of efficacy showed statistically significantly better results for patients receiving ROX-828 than for those receiving placebo. Associated migraine symptoms were significantly improved ( p < 0.05) with ROX-828 relative to placebo at several time points throughout the observation period. The most frequently reported adverse events in both groups were associated with nasal discomfort. Conclusion Self-administered intranasal ROX-828 was well tolerated. While the primary endpoint was not met, the results provide preliminary evidence that ROX-828 improves migraine pain.
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Affiliation(s)
| | - E Fenzl
- FGK Clinical Research, Munich, Germany
| | - D Bregman
- Luitpold Pharmaceuticals, USA
- Department of Pathology, Albert Einstein College of Medicine, USA
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Ito Y, Kashiwara S, Fukushima K, Takada K. Two-layered dissolving microneedles for percutaneous delivery of sumatriptan in rats. Drug Dev Ind Pharm 2011; 37:1387-93. [DOI: 10.3109/03639045.2011.576426] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Maggioni F. Revisiting the Role of Ergots in the Treatment of Migraine and Headache: A Comment. Headache 2011; 51:819-20. [DOI: 10.1111/j.1526-4610.2011.01886.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Shingaki T, Hidalgo IJ, Furubayashi T, Sakane T, Katsumi H, Yamamoto A, Yamashita S. Nasal delivery of P-gp substrates to the brain through the nose-brain pathway. Drug Metab Pharmacokinet 2011; 26:248-55. [PMID: 21317541 DOI: 10.2133/dmpk.dmpk-10-rg-108] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The objective of this study was to evaluate in rats the potential utility of the nasal route to enhance central nervous system (CNS) delivery of drugs recognized by P-glycoprotein (P-gp). Well-known P-gp substrates verapamil and talinolol were perfused nasally or infused intravenously, and when plasma concentrations following intravenous infusion and nasal perfusion showed similar profiles. The concentration of verapamil in the brain after nasal perfusion was twice that after intravenous infusion. Although talinolol in the brain and the cerebrospinal fluid after i.v. infusion were below the detection limit, it was detected after nasal perfusion. When rats were treated with cyclosporin A, brain concentrations of verapamil after both administration modes were increased significantly, while those of talinolol were not significantly changed. Since the permeability of talinolol is low, talinolol in the brain which was transported directly from the nasal cavity has little chance of transport by P-gp localized in the apical membrane of cerebral microvessel endothelial cells. The potential for drug delivery utilizing the nose-CNS route was confirmed for P-gp substrates. The advantage of nasal delivery over i.v. delivery of talinolol to the brain was more significant than that of verapamil, suggesting that nasal administration is more useful strategy for the brain delivery of low-permeability P-gp substrates than the use of P-gp inhibitors.
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MUSULIN SE, MARIANI CL, PAPICH MG. Diazepam pharmacokinetics after nasal drop and atomized nasal administration in dogs. J Vet Pharmacol Ther 2011; 34:17-24. [DOI: 10.1111/j.1365-2885.2010.01186.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Abstract
Migraine is a chronic, recurrent, disabling condition that affects millions of people in the US and worldwide. Proper acute care treatment for migraineurs is essential for a full return of function and productivity. Triptans are serotonin (5-HT)(1B/1D) receptor agonists that are generally effective, well tolerated and safe. Seven triptans are available worldwide, although not all are available in every country, with multiple routes of administration, giving doctors and patients a wide choice. Despite the similarities of the available triptans, pharmacological heterogeneity offers slightly different efficacy profiles. All triptans are superior to placebo in clinical trials, and some, such as rizatriptan 10 mg, eletriptan 40 mg, almotriptan 12.5 mg, and zolmitriptan 2.5 and 5 mg are very similar to each other and to the prototype triptan, sumatriptan 100 mg. These five are known as the fast-acting triptans. Increased dosing can offer increased efficacy but may confer a higher risk of adverse events, which are usually mild to moderate and transient in nature. This paper critically reviews efficacy, safety and tolerability for the different formulations of sumatriptan, zolmitriptan, rizatriptan, naratriptan, almotriptan, eletriptan and frovatriptan.
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Affiliation(s)
- Mollie M Johnston
- Department of Neurology, The David Geffen School of Medicine at UCLA, Los Angeles, California 90095, USA.
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Johnson NJ, Hanson LR, Frey WH. Trigeminal pathways deliver a low molecular weight drug from the nose to the brain and orofacial structures. Mol Pharm 2010; 7:884-93. [PMID: 20420446 DOI: 10.1021/mp100029t] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Intranasal delivery has been shown to noninvasively deliver drugs from the nose to the brain in minutes along the olfactory and trigeminal nerve pathways, bypassing the blood-brain barrier. However, no one has investigated whether nasally applied drugs target orofacial structures, despite high concentrations observed in the trigeminal nerve innervating these tissues. Following intranasal administration of lidocaine to rats, trigeminally innervated structures (teeth, temporomandibular joint (TMJ), and masseter muscle) were found to have up to 20-fold higher tissue concentrations of lidocaine than the brain and blood as measured by ELISA. This concentration difference could allow intranasally administered therapeutics to treat disorders of orofacial structures (i.e., teeth, TMJ, and masseter muscle) without causing unwanted side effects in the brain and the rest of the body. In this study, an intranasally administered infrared dye reached the brain within 10 minutes. Distribution of dye is consistent with dye entering the trigeminal nerve after intranasal administration through three regions with high drug concentrations in the nasal cavity: the middle concha, the maxillary sinus, and the choana. In humans the trigeminal nerve passes through the maxillary sinus to innervate the maxillary teeth. Delivering lidocaine intranasally may provide an effective anesthetic technique for a noninvasive maxillary nerve block. Intranasal delivery could be used to target vaccinations and treat disorders with fewer side effects such as tooth pain, TMJ disorder, trigeminal neuralgia, headache, and brain diseases.
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Affiliation(s)
- Neil J Johnson
- HealthPartners Research Foundation, Alzheimer's Research Center at Regions Hospital, Saint Paul, Minnesota 55101, USA
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Shingaki T, Inoue D, Furubayashi T, Sakane T, Katsumi H, Yamamoto A, Yamashita S. Transnasal delivery of methotrexate to brain tumors in rats: a new strategy for brain tumor chemotherapy. Mol Pharm 2010; 7:1561-8. [PMID: 20695463 DOI: 10.1021/mp900275s] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Brain tumors are one of the most lethal and difficult to treat. Their treatment is limited by the inadequate delivery of antitumor drugs to the tumor. In order to overcome this limitation, the possibility of the nose-brain direct transport pathway was evaluated using methotrexate (MTX) as a model antitumor agent. The direct transport of nasal MTX to the cerebrospinal fluid (CSF) was examined by comparing the concentration of MTX in the plasma and the CSF after intraperitoneal (IP) and intranasal (IN) administrations. The brain uptake of MTX was evaluated based on a multiple-time/graphical analysis by measuring the concentration of MTX in the plasma and in the brain. The feasibility of nasal chemotherapy was examined by three nasal dosings of MTX to tumor-bearing rats in vivo at two day intervals with peritoneal application as a positive control. MTX showed a significant inhibitory effect on the in vitro growth of 9L glioma cells with 50% growth inhibitory concentration at 7.99 ng/mL. The pharmacokinetic studies clarified the significant direct transport of MTX from nasal cavity both to the CSF and to the brain. Nasal chemotherapy with MTX significantly reduced the tumor weight as compared to nontreatment control and IP group. The strategy to utilize the nose-brain direct transport can be applicable to a new therapeutic system not only for brain tumors but also for other central nervous system disorders such as neurodegenerative diseases.
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Affiliation(s)
- Tomotaka Shingaki
- ADME Research Inc., 1-12-8 Senba-higashi, Minoh, Osaka 562-0035, Japan.
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Djupesland PG, Dočekal P. Intranasal sumatriptan powder delivered by a novel breath-actuated bi-directional device for the acute treatment of migraine: A randomised, placebo-controlled study. Cephalalgia 2010; 30:933-42. [DOI: 10.1177/0333102409359314] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Introduction: Intranasal sumatriptan is an option for the treatment of migraine; however, nasal delivery using conventional spray pumps is suboptimal. Methods: Adult subjects ( n = 117) with migraine were enrolled in a multicentre, randomised, double-blind, parallel group, placebo-controlled study. A single migraine attack was treated in-clinic with sumatriptan 10 mg, sumatriptan 20 mg or placebo administered intranasally by a novel bi-directional powder delivery device when migraine was moderate or severe. Results: A greater proportion of subjects who received sumatriptan were pain-free at 120 minutes compared with those who received placebo (10 mg/20 mg sumatriptan vs. placebo = 54%/57% vs. 25%, P < .05). Significant benefits were also observed for pain relief at 120 minutes (84%/80% vs. 44%, P < .001/.01) and as early as 60 minutes (73%/74% vs. 38%, P < .01) and for 48 hours sustained pain-free ( P < .05). Treatment-related adverse events were rare, with a metallic taste being the most commonly reported (10%/13%). Conclusions: Sumatriptan nasal powder administered using the new device during a migraine attack was effective and well tolerated.
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Affiliation(s)
| | - P Dočekal
- Department of Neurology, Charles
University in Prague, Czech Republic
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Watts P, Smith A. PecSys:in situgelling system for optimised nasal drug delivery. Expert Opin Drug Deliv 2009; 6:543-52. [DOI: 10.1517/17425240902939135] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Wu H, Hu K, Jiang X. From nose to brain: understanding transport capacity and transport rate of drugs. Expert Opin Drug Deliv 2009; 5:1159-68. [PMID: 18817519 DOI: 10.1517/17425247.5.10.1159] [Citation(s) in RCA: 109] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The unique relationship between nasal cavity and cranial cavity tissues in anatomy and physiology makes intranasal delivery to the brain feasible. An intranasal delivery provides some drugs with short channels to bypass the blood-brain barrier (BBB), especially for those with fairly low brain concentrations after a routine delivery, thus greatly enhancing the therapeutic effect on brain diseases. In the past two decades, a good number of encouraging outcomes have been reported in the treatment of diseases of the brain or central nervous system (CNS) through nasal administration. In spite of the significant merit of bypassing the BBB, direct nose-to-brain delivery still bears the problems of low efficiency and volume for capacity due to the limited volume of the nasal cavity, the small area ratio of olfactory mucosa to nasal mucosa and the limitations of low dose and short retention time of drug absorption. It is crucial that selective distribution and retention time of drugs or preparations on olfactory mucosa should be enhanced so as to increase the direct delivery efficiency. In this article, we first briefly review the nose-to-brain transport pathways, before detailing the impacts on them, followed by a comprehensive summary of effective methods, including formulation modification, agglutinant-mediated transport and a brain-homing, peptide-mediated delivery based on phage display screening technique, with a view to providing a theoretic reference for elevating the therapeutic effects on brain diseases.
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Affiliation(s)
- Hongbing Wu
- Fudan University (Fenglin Campus), Department of Pharmaceutics, School of Pharmacy, P.O. Box 130, 138 Yi Xue Yuan Rd, Shanghai 200032, People's Republic of China
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