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  1. (PDF) Current Approaches on Gastroretentive Drug Delivery systems

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  2. (PDF) A Review on Techniques and Applications of Gastroretentive Drug

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  3. GASTRORETENTIVE DRUG DELIVERY SYSTEMS 1/59

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  4. 1 gastroretentive drug delivery systems

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  5. Classification of gastroretentive drug delivery systems (GRDDS

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  6. (PDF) Gastroretentive drug delivery systems for the treatment of

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  1. Advances in ocular drug delivery systems -II

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COMMENTS

  1. Features and Facts of a Gastroretentive Drug Delivery System-A Review

    Recently, gastroretentive drug delivery systems (GRDDS) have gained wide acceptance for drugs with a narrow absorption window, decreased stability at high alkaline pH, and increased solubility at low pH. This approach develops a drug delivery system, which gets retained within gastric fluid, thereby releasing its active principles in the stomach.

  2. Current State and Future Perspectives on Gastroretentive Drug Delivery

    In recent years, many attempts have been made to enhance the drug bioavailability and therapeutic effectiveness of oral dosage forms. In this context, various gastroretentive drug delivery systems (GRDDS) have been used to improve the therapeutic efficacy of drugs that have a narrow absorption window, are unstable at alkaline pH, are soluble in acidic conditions, and are active locally in the ...

  3. Gastro-retentive drug delivery systems: a recent update on clinical

    Gastro-retentive drug delivery systems are some of the best technologies delivered through oral route. These mainly came into picture for their effective local action in the GI region, specifically for the drugs with narrow absorption window. In the recent decades, several technologies have evolved showing different mechanisms for retaining the drug in GI region for longer duration with ...

  4. Gastro-retentive drug delivery systems and their in vivo success: A

    Gastro-retentive drug delivery system (GRDDS) has gained immense popularity in the field of oral drug delivery recently. It is a widely employed approach to retain the dosage form in the stomach for an extended period of time and release the drug slowly that can address many challenges associated with conventional oral delivery, including poor bioavailability.

  5. Gastroretentive Technologies in Tandem with Controlled-Release

    Gastroretentive drug delivery systems (GRDDS) were developed as a new approach for the oral controlled-release delivery of many drugs [6,7,8,9]. These systems can be retained in the stomach long enough to completely release the active drug from a formulation in the gastric fluids. ... Therefore, future research studies on these gastroretentive ...

  6. Gastro-retentive drug delivery systems: a recent update on ...

    Abstract. Gastro-retentive drug delivery systems are some of the best technologies delivered through oral route. These mainly came into picture for their effective local action in the GI region, specifically for the drugs with narrow absorption window. In the recent decades, several technologies have evolved showing different mechanisms for ...

  7. Overview on gastroretentive drug delivery systems for improving drug

    Abstract. In recent decades, many efforts have been made in order to improve drug bioavailability after oral administration. Gastroretentive drug delivery systems are a good example; they emerged to enhance the bioavailability and effectiveness of drugs with a narrow absorption window in the upper gastrointestinal tract and/or to promote local ...

  8. (PDF) GASTRO-RETENTIVE DRUG DELIVERY SYSTEMS AND THEIR ...

    Gastric retentive drug delivery systems are one such new approach to. increase gastric r etention tim e, thereby targeting site-specific drug release within. the stomach for local or systemic ...

  9. Fabrication of CMC/PVA/Dextrin-Based Polymeric Membrane for Controlled

    In recent years, the development of advanced drug delivery systems has become imperative to optimize the therapeutic efficacy of pharmaceutical agents while minimizing potential side effects. 1,2 Controlled release systems, particularly polymeric membranes, have emerged as promising platforms for achieving sustained and targeted drug delivery. 3-6 Among the wide array of antimicrobial agents ...

  10. Gastroretentive Drug Delivery Systems

    Bouyant, swellable, and expandable systems are the most advanced, especially in late stage development and commercial products. In addition to technology platforms, this chapter explores the interfaces of biology, niche applications of these strategies and technology, and the drug development path both nonclinical and clinical to develop a ...

  11. Gastroretentive drug delivery approaches: concepts, approaches, and

    Gastroretentive drug delivery systems were generated as a strategy for prolonging the release of various medications. The concept of GRDDS is to extend the retention and allow sustained delivery of a drug in the stomach to enhance the absorption, bioavailability, and curative effect of the drug [7].These systems are particularly suitable for a drug that provide a local effect in the stomach, a ...

  12. Recent Advances in Gastroretentive Drug Delivery Systems: A Review

    Abstract. Many advances have been achieved in the study and development of oral drug delivery system in recent years. The conception of novel drug delivery system originated to address a specific ...

  13. Current State and Future Perspectives on Gastroretentive Drug Delivery

    In recent years, many attempts have been made to enhance the drug bioavailability and therapeutic effectiveness of oral dosage forms. In this context, various gastroretentive drug delivery systems (GRDDS) have been used to improve the therapeutic efficacy of drugs that have a narrow absorption window, are unstable at alkaline pH, are soluble in acidic conditions, and are active locally in the ...

  14. A REVIEW ON GASTRORETENTIVE DRUG DELIVERY SYSTEM

    in the therapeutic levels. Reduce drug wastage. Improves solubility of drugs that are less soluble at. high pH environment (e.g. weakly basic drugs like. domperidone, papaverine) Gastroretentive ...

  15. Overview on gastroretentive drug delivery systems for ...

    Gastroretentive drug delivery systems are a good example; they emerged to enhance the bioavailability and effectiveness of drugs with a narrow absorption window in the upper gastrointestinal tract and/or to promote local activity in the stomach and duodenum. Several strategies are used to increase the gastric residence time, namely bioadhesive ...

  16. Gastroretentive Delivery Systems: A Mini Review: Drug Development and

    Research Article. Gastroretentive Delivery Systems: A Mini Review ... Various attempts have been made to develop gastroretentive delivery systems. For example, floating, swelling, mucoadhesive, and high‐density systems have been developed to increase gastric retention time of the dosage forms. ... both intra‐as well as inter‐subject ...

  17. In Vitro and In Vivo Test Methods for the Evaluation of Gastroretentive

    More than 50 years ago, the first concepts for gastroretentive drug delivery systems were developed. Despite extensive research in this field, there is no single formulation concept for which reliable gastroretention has been demonstrated under different prandial conditions. Thus, gastroretention remains the holy grail of oral drug delivery.

  18. PDF Gastroretentive drug delivery systems: A summarized overview

    c drug delivery that takes place in the stomach or intestine. It is achieved by maintaining the dosage form in the stomach and releasing the dr. g to a specified spot in the stomach, duodenum, or intestine. Besides, it remains in the stomach for a suitable time interval despite all physiological barriers, releases active moiety in a co.

  19. (PDF) Gastro retentive drug delivery systems: An overview

    gastro-retentive drug delivery systems (GRDDS). Numerous physiological constr aints associated with. gastroretentive dosage forms such as short gastric retentive time, variations in gastric ...

  20. Gastroretentive drug delivery systems for therapeutic management of

    Various factors such as pepsin, gastric acid, H. pylori, NSAIDs, prostaglandins, mucus, bicarbonate, and blood flow to mucosa play an important role in causing peptic ulcers. In this review article, our main focus is on some important gastroretentive drug delivery systems (GRDDS) (floating, bioadhesive, high density, swellable, raft forming ...

  21. Gastroretentive drug delivery systems for the treatment of

    Core tip: Helicobacter pylori (H. pylori) is one of the most common pathogenic bacteria.It is the primary known cause of gastritis, gastroduodenal ulcer disease and gastric cancer. In addition to triple therapies, oral site-specific drug delivery systems (especially gastroretentive dosage forms) prolong the gastric retention time and can increase the concentration of the drug at the target ...

  22. Gastroretentive drug delivery systems: A review

    Orissa, India. E-mail: [email protected]. The purpose of writing this review on gastroretentive drug delivery systems was to compile the recent literature with. special focus on various ...

  23. An Insight on Novel Approaches & Perspectives for Gastro-Retentive Drug

    The conventional oral drug delivery systems face a lot of difficulties in the gastrointestinal tract, such as inappropriate drug release and reduction in the efficacy of the doses, which makes this system less susceptible to the delivery of drug formulation. For the enhancement of therapeutic efficacy and bioavailability of the drug, many efforts have been made. The drug candidates which are ...

  24. REVIEW ON GASTRORETENTIVE DRUG DELIVERY SYSTEM

    In recent years, gastroretentive drug delivery system (GRDDS) has gained researcher's interest in the field of oral drug delivery. Various GRDDS approaches can be utilized to retain the dosage ...