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      Fixed-Dose Combination of NSAIDs and Spasmolytic Agents in the Treatment of Different Types of Pain—A Practical Review

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          Abstract

          This review presents the most common disease entities in which combinations of NSAIDs and spasmolytic drugs are used to reduce pain. The benefits of fixed-dose combination products (FDCs) are that they improve the response in people with insufficient monotherapy. Using the synergy or additive effect of drugs, it is possible to obtain a significant therapeutic effect and faster action with the use of smaller doses of individual drugs. In addition, one active ingredient may counteract adverse reactions from the other. Another essential aspect of the use of FDCs is the improvement of medical adherence due to the reduction in the pill burden on patients. It is also possible to develop a fixed-dosed combination product de novo to address a new therapeutic claim and be protected by patents so that the manufacturer can obtain exclusive rights to sell a particular FDC or a formulation thereof. The proposed fixed-dose combinations should always be based on valid therapeutic principles and consider the combined safety profile of all active substances included in the medicinal product. This review aims to identify which combinations of NSAIDs and spasmolytics have been developed and tested and which combinations are still under development.

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          Most cited references58

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          A Comprehensive Review of Non-Steroidal Anti-Inflammatory Drug Use in The Elderly

          NSAIDs, non-steroidal anti-inflammatory drugs, are one of the most commonly prescribed pain medications. It is a highly effective drug class for pain and inflammation; however, NSAIDs are known for multiple adverse effects, including gastrointestinal bleeding, cardiovascular side effects, and NSAID induced nephrotoxicity. As our society ages, it is crucial to have comprehensive knowledge of this class of medication in the elderly population. Therefore, we reviewed the pharmacodynamics and pharmacokinetics, current guidelines for NSAIDs use, adverse effect profile, and drug interaction of NSAIDs and commonly used medications in the elderly.
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            Current Advances in Chitosan Nanoparticles Based Drug Delivery and Targeting

            Nanoparticles (NPs) have been found to be potential targeted and controlled release drug delivery systems. Various drugs can be loaded in the NPs to achieve targeted delivery. Chitosan NPs being biodegradable, biocompatible, less toxic and easy to prepare, are an effective and potential tool for drug delivery. Chitosan is natural biopolymer which can be easily functionalized to obtain the desired targeted results and is also approved by GRAS (Generally Recognized as Safe by the United States Food and Drug Administration [US FDA]). Various methods for preparation of chitosan NPs include, ionic cross-linking, covalent cross-linking, reverse micellar method, precipitation and emulsion-droplet coalescence method. Chitosan NPs are found to have plethora of applications in drug delivery diagnosis and other biological applications. The key applications include ocular drug delivery, per-oral delivery, pulmonary drug delivery, nasal drug delivery, mucosal drug delivery, gene delivery, buccal drug delivery, vaccine delivery, vaginal drug delivery and cancer therapy. The present review describes the formation of chitosan, synthesis of chitosan NPs and their various applications in drug delivery.
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              Nonsteroidal anti-inflammatory drugs for dysmenorrhoea.

              Dysmenorrhoea is a common gynaecological problem consisting of painful cramps accompanying menstruation, which in the absence of any underlying abnormality is known as primary dysmenorrhoea. Research has shown that women with dysmenorrhoea have high levels of prostaglandins, hormones known to cause cramping abdominal pain. Nonsteroidal anti-inflammatory drugs (NSAIDs) are drugs that act by blocking prostaglandin production. They inhibit the action of cyclooxygenase (COX), an enzyme responsible for the formation of prostaglandins. The COX enzyme exists in two forms, COX-1 and COX-2. Traditional NSAIDs are considered 'non-selective' because they inhibit both COX-1 and COX-2 enzymes. More selective NSAIDs that solely target COX-2 enzymes (COX-2-specific inhibitors) were launched in 1999 with the aim of reducing side effects commonly reported in association with NSAIDs, such as indigestion, headaches and drowsiness.
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                Author and article information

                Contributors
                Role: Academic Editor
                Journal
                J Clin Med
                J Clin Med
                jcm
                Journal of Clinical Medicine
                MDPI
                2077-0383
                15 July 2021
                July 2021
                : 10
                : 14
                : 3118
                Affiliations
                [1 ]Synteza sp. z o.o., św. Michała 67/71, 61-005 Poznań, Poland; magdalena.janczura@ 123456synteza.com.pl (M.J.); malgorzata.kobus-moryson@ 123456synteza.com.pl (M.K.-M.)
                [2 ]Department of Pharmacognosy, Faculty of Pharmacy, Poznań University of Medical Sciences, Święcickiego 4, 60-780 Poznań, Poland; szymonsip@ 123456ump.edu.pl
                [3 ]Department of Developmental Neurology, Poznan University of Medical Sciences, Przybyszewski 49 Str., 60-355 Poznań, Poland; zarowski@ 123456ump.edu.pl
                [4 ]Clinic for Rehabilitation, Poznan University of Medical Sciences, 28 Czerwca 1956r. nr 135/147 Street, 61-545 Poznań, Poland; agnieszka.warenczak@ 123456ump.edu.pl
                Author notes
                [* ]Correspondence: jpiontek@ 123456ump.edu.pl
                Author information
                https://orcid.org/0000-0002-6649-5179
                https://orcid.org/0000-0002-2225-6344
                https://orcid.org/0000-0002-6618-9956
                https://orcid.org/0000-0002-9800-9446
                https://orcid.org/0000-0002-5973-1946
                https://orcid.org/0000-0003-0891-5419
                Article
                jcm-10-03118
                10.3390/jcm10143118
                8306558
                34300284
                8be57d76-d645-482d-9ba9-80794e485c0f
                © 2021 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( https://creativecommons.org/licenses/by/4.0/).

                History
                : 20 May 2021
                : 13 July 2021
                Categories
                Review

                painkillers,fixed-dose combination,polytherapy,pain pharmacotherapy,nsaids,spasmolytic drugs,synergistic effect,abdominal pain,dysmenorrhea,innovations

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