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Recent Patents on Drug Delivery & Formulation

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https://www.readbyqxmd.com/read/29219064/natural-product-formulations-for-prevention-and-treatment-of-alzheimer-s-disease-a-patent-review
#1
Rumiana Koynova, Boris Tenchov
INTRODUCTION: Although considerable efforts have been made to develop effective therapeutic agents for Alzheimer's disease (AD), neither a consensus concerning the pathogenesis of the disease nor a successful therapy for its treatment is available. The natural product chemistry brings tremendous diversity and abundant resource for medical needs. OBJECTIVES: The present review summarizes recent patents on natural extracts and derived drugs as agents for prevention and treatment of AD...
December 7, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29189187/thymoquinone-tq-a-potential-therapeutic-molecule-role-of-colloidal-carriers-in-its-effective-delivery
#2
Poonam Negi, Charul Rathore, Gajanand Sharma, Bhupinder Singh Bhoop, Om Prakash Katare
From the past few decades, remarkable awareness has been laid on the use of herbal medicines in pharmaceutical research. Thymoquinone (TQ), the main chemical constituent of Nigella sativa (NS) plant has been extensively explored and revealed an array of therapeutic benefits in different in vitro and in vivo conditions. This review provides brief outline of the diverse therapeutics actions of TQ and NS viz. anti-oxidant, anti-inflammatory, anti-cancer, anti-diabetic, gastro-protective, hepato-protective, anti-microbial and anti-histaminic...
November 29, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29189186/furosemide-soluplus%C3%A2-solid-dispersion-development-and-characterization
#3
Rammani Patwa, R Praveen, Sandeep Kumar Singh, Priya Ranjan Prasad Verma
Recent patents reveal that Soluplus® has proved to be a promising excipient that modulates dissolution characteristics of many active pharmaceutical ingredients (WO 2016161995 A1, WO 2016169534 A1, WO 2016165676 A1). Current article investigate on stable solid solution of furosemide with Soluplus to enhance the dissolution properties of the drug. Drug:carrier ratios to prepare solid dispersion was selected based on the phase solubility study. Solid dispersions of furosemide with Soluplus® were prepared by solvent evaporation and fusion method...
November 29, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29189185/enhanced-both-in-vitro-and-in-vivo-kinetics-by-slns-induced-transdermal-system-of-furosemide-a-novel-approach
#4
Revathi Mannam, Indira Muzib Yallamalli
AIM AND BACKGROUND: Furosemide is a potent diuretic agent used to treat pulmonary arterial hypertension. Variable dosage regimen and poor pharmacokinetic parameters has led to the development of transdermal drug delivery system. A patent on suitability of multi-lamellar structures for excellent transdermal delivery (US 0367475A1) has encouraged us to formulate the solid lipid nanoparticles (SLNs) induced transdermal systems of furosemide to enhance the kinetic properties without incorporating any penetration enhancer and rate limiting polymers...
November 28, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29165100/phytochemicals-formulated-as-nanoparticles-inventions-recent-patents-and-future-prospects
#5
Namdeo Jadhav, Sameer Nadaf, Dipali Lohar, Pravin Ghagare, Trupti Powar
BACKGROUND: The quest to improve the therapeutic effectiveness of herbal drugs has driven rigorously the pharmaceutical research towards development of herbal nanoparticles. Till date, various approaches have been adopted for the design of herbal nanoparticles. METHODS: We carried out an organized search of bibliographic databases consisting of an ample number of published abstracts and research articles using a focused review questionaries and insertion/omission criteria...
November 19, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29119940/development-of-floating-delivery-for-solid-self-micro-emulsifying-drug-delivery-system-of-prochlorperazine-maleate
#6
Swati Jagdale, Mayuri Shinde
Background Prochlorperazine maleate(PCM) is a phenothiazine antipsychotic used in the treatment of nausea, vomiting and vertigo. It is BCS class II drug with only 12.5% bioavailability. Patents data on PCM had shown work on conjugation and matrix formulation which suggested idea for the present work design. Objective The objective of this study was to enhance solubility of drug and to optimize gastro retentive floating capsule for controlled drug release at the targeted site for stipulated time. Method The solubility of drug was determined in various vehicles like oils, surfactants and co-surfactants...
November 7, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29032765/recent-patent-advances-for-neurodegenerative-disorders-and-its-treatment
#7
Bhavna Kumar, Deepika Sharma
BACKGROUND: Neurodegenerative disorders are one of the common diseases that affect our society with tremendous medical and financial burdens. As a whole, neurodegeneration affects individuals of all ages, but becomes increasingly frequent with age, coming to affect a very large share of our elderly population which is severely affecting the patient, caregivers, and enormously increasing the financial burden of the nation. These diseases share a very complex nature, which often result from combined genetic, environment and pathogenic factors...
October 10, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28901845/a-review-of-patents-on-therapeutic-potential-and-delivery-of-hydrogen-sulfide
#8
Richa Verma, Yumna Akhtar, Somnath Singh
Hydrogen sulfide (H2S) is a colorless gas with a characteristic smell of rotten eggs. Once only thought of as a toxic gas, evidence now shows that H2S plays major roles in pathological and physiological activities. These roles are being utilized to treat diseases and disorders ranging from hypertension, inflammation, edema, cardiovascular issues, chronic pain, cancer, and many more. Challenges facing the use of H2S currently involve achieving the optimum therapeutic concentrations, synthesizing chemically and physiologically stable donors, and developing clinically appropriate delivery systems...
September 11, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28460615/formulation-characterization-and-in-vitro-evaluation-of-fast-dissolving-tablets-containing-gliclazide-hydrotropic-solid-dispersions
#9
Jyotsana R Madan, Virendra J Kamate, Rajendra Awasthi, Kamal Dua
BACKGROUND: Low aqueous solubility is a major problem faced with new drug molecules. The purpose of this research was to provide a fast dissolving oral dosage form of gliclazide (GLZ) using the concept of mixed hydrotropy. METHODS: Solubility of GLZ was determined individually in sodium salicylate, nicotinamide, lactose, sodium acetate, urea, trisodium citrate and sodium benzoate. Highest solubility was obtained in 40% sodium benzoate solution. In order to decrease the individual hydrotrope amount, mixed hydrotropic agents were used...
April 26, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28462723/bronchoscopy-in-children-for-research-with-questionable-indications-an-overview-of-russian-patents-and-publications
#10
Sergei V Jargin
This letter is a continuation of preceding reviews on invasive methods applied with questionable clinical indications and/or research purposes. It aims to serve as a reminder that the risk-to-benefit ratio should be kept as low as possible. The use of bronchoscopy for diagnostics and treatment of asthma and bronchitis in children is discussed in more detail. Various bronchoscopic methods applied in children and adults have been patented; several patents are presented here as examples. The concept of informed consent and assent applied to children and adolescents is also discussed...
April 25, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28355997/magnetic-nanoparticles-a-review-on-stratagems-of-fabrication-and-its-biomedical-applications
#11
Pratiksha Srivastava, Pramod K Sharma, Abdul Muheem, Musarat H Warsi
The aim of this review is to provide an insight to the underlying biomedical applications of magnetic nanoparticles (MNPs).. The most specific characteristic of MNPs is their response to an applied magnetic force, and this property of MNPs has been utilized in applications such as diagnosis of diseases, drug delivery and drug targeting. Currently, MNPs have attracted great attention because of their potential as contrast agents for magnetic resonance imaging (MRI) and heat mediators for cancer therapy (hyperthermia)...
March 28, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28355996/environmentally-responsive-systems-for-drug-delivery
#12
Marcos Luciano Bruschi, Fernanda Belincanta Borghi, Mariana Volpato Junqueira, Sabrina Barbosa de Souza Ferreira, Jessica Bassi da Silva
BACKGROUND: In recent decades, the development of the environmentally responsive systems for drug delivery has been well regarded, with enormous potential in different applications. METHODS: These "environmentally sensitive", "smart", "intelligent" formulations have the ability to alter their physical properties in response to small changes in physical or chemical conditions, such as temperature, glucose, pH, ultrasound, light, electric field and redox potential with a huge potential in drug delivery systems...
March 28, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28294074/probiotics-as-a-tool-to-biosynthesize-metallic-nanoparticles-research-reports-and-patents-survey
#13
Nida Ahktar, Kamla Pathak
BACKGROUND: Probiotics are the live microbes that exert beneficial effects on the health of the host cell and thus creating novel nanoformulations via probiotic bacteria have gained tremendous momentum recently. The probiotic bacteria are being employed in synthesizing or more specifically biosynthesizing several nanoparticles like metallic as well as non-metallic nanoparticles. Biosynthesis of metallic nanoparticles is currently focused of research nowadays due to several applications thereof...
March 13, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28201962/preparation-and-optimization-of-fast-dissolving-film-of-naratriptan-hydrochloride
#14
Krishna D Koradia, Pradip T Sidhdhapara, Navin R Sheth
BACKGROUND AND OBJECTIVE: Naratriptan is second-generation triptan class of antimigraine drug which selectively bind with 5-HT(1B/1D) receptor. It is widely used to treat the migraine attack due to its better tolerability and lower recurrence rate as compared to other triptans. Despite of the applicability, Naratriptan also have several drawback like slow onset of action and fist pass metabolism which reduce its efficacy. In order to increase the efficacy of naratriptan fast dissolving film is prepared...
February 12, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28201961/development-and-characterization-pulsatile-microspheres-of-nifedipine-for-hypertension
#15
Rahul Taneja, Ghanshyam Das Gupta
AIM AND BACKGROUND: To develop pulsatile microspheres of Nifedipine blend of polymers Carbopol 971P and Eudragit RS100 for antihypertensive to release the drug at a particular lag time. METHODS: Pulsatile nifedipine microspheres were prepared using blend of Carbopol 971P and Eudragit RS100 at different ratio in a mixture of solvents. Formulations were prepared and optimized on the basis of particle size, percentage yield and drug entrapment efficiency. Optimized formulations were further analyzed at different resolutions per minute (rpm) by optical microscopy, scanning electron microscopy (SEM), in-vitro dissolution studies and kinetics model...
February 12, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28103774/formulation-development-and-evaluation-of-lyophilized-nasal-inserts-for-migraine-treatment
#16
Atishkumar Mundada, Harshada Sarode
BACKGROUND: Nasal inserts are novel, solid, bioadhesive dosage forms administered via nasal route for prolonged systemic drug delivery. The principle of the dosage form is that, after administration nasal inserts imbibe nasal fluid from the mucosa and form a gel in the nasal cavity in order to avoid foreign body sensation. The objective of this investigation was the development of chitosan/xanthan gum based bioadhesive nasal inserts of antimigraine drug. METHODS: Lyophilization is more usual technique for the preparation of nasal inserts and it is one of the applied methods for drying of solids either in the form of aqueous solution or rarely in the form of aqueous suspension by using freeze dryers...
January 18, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28124592/acyclovir-solid-lipid-nanoparticles-for-skin-drug-delivery-fabrication-characterization-and-in-vitro-study
#17
Maria John Newton, Kaur Bhupinder
OBJECTIVE: The fractionated coconut oil based solid lipid nanoparticles (SLNs) of Acyclovir (ACV) were fabricated in two batches by using Glyceryl mono stearate (GMS) and Lipoid S75 (Fat free soybean phospholipids with 70% phosphatidylcholine- Lipoid GmbH, Germany). The research was focused on developing ACV-SLN by using high pressure hot-homogenization technique. The ingredients were used in different concentrations and ratios to identify the best formulation design. METHODS: The GMS with Fractionated coconut oil and Lipoid S 75 with Fractionated coconut oil were used in various concentrations in formulation design to assess the impact on the fabrication and evaluation of SLNs...
January 17, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28088896/formulation-and-optimization-of-lansoprazole-pellets-using-factorial-design-prepared-by-extrusion-spheronization-technique-using-carboxymethyl-tamarind-kernel-powder
#18
Sagar Sopanrao Muley, Tanaji Nandgude, Sushilkumar Poddar
BACKGROUND: In the present study, Lansoprazole pellets were prepared employing a novel excipient Carboxymethyl tamarind kernel powder (CMTKP) using extrusion-spheronization technique. Pellet formulation was optimized for formulation parameters (concentration of microcrystalline cellulose, CMTKP, croscarmellose sodium and isopropyl alcohol). METHODS: Process parameters (speed and duration of spheronization) were optimized using factorial design. The pellets were evaluated for yield, bulk and tapped density, particle size, hardness, drug content, disintegration time and drug release...
January 13, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28056749/development-and-evaluation-of-naproxen-sodium-gel-using-piper-cubeba-for-enhanced-transdermal-drug-delivery-and-therapeutic-facilitation
#19
Sunetra Kaustubh Patwardhan, Manohar J Patil, Anbazhagan Sockalingam
BACKGROUND: The absorption of drug through skin avoids many side effects of oral route like gastric irritation, nausea, systemic toxicity etc and thus improves patient compliance. Naproxen sodium (NPRS) is one of the potent NSAID agents. OBJECTIVE: The present study was aimed to develop and evaluate the gel formulation containing NPRS for transdermal drug delivery reducing the side effects and improving patient compliance. The patents on topical delivery of NSAIDS (US 9012402 B1, US 9072659 B2, US 20150258196 A1) and patents indicating use of herbal penetration enhancers (US 20100273746A1, WO 2005009510 A2, US 6004969 A) helped in selecting the drug, excipients...
January 5, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28877660/editorial
#20
EDITORIAL
Ryan F Donnelly
No abstract text is available yet for this article.
2017: Recent Patents on Drug Delivery & Formulation
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