Terbutaline sulphate buccal patches using HPMC K4M, E15 polymers.
Journal name: World Journal of Pharmaceutical Research
Original article title: Formulation and evalution of terbutaline sulphate buccal patches by using hpmc k4m, hpmc e15 polymers
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Middela Karthik and Dr. Reddy Sunil
World Journal of Pharmaceutical Research:
(An ISO 9001:2015 Certified International Journal)
Full text available for: Formulation and evalution of terbutaline sulphate buccal patches by using hpmc k4m, hpmc e15 polymers
Source type: An International Peer Reviewed Journal for Pharmaceutical and Medical and Scientific Research
Doi: 10.20959/wjpr20182-10740
Copyright (license): WJPR: All rights reserved
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Summary of article contents:
Introduction
The buccal route for drug delivery presents significant advantages over traditional oral administration, notably its ability to bypass the first-pass hepatic metabolism, enhance bioavailability, and improve patient compliance. This method utilizes the permeable and vascularized buccal mucosa, making it an attractive site for systemic and local drug delivery. The formulation of drug delivery systems, particularly buccal patches, can effectively address the limitations associated with the oral route, such as enzymatic degradation in the gastrointestinal tract and the need for less frequent dosing.
Mucoadhesive Properties
A key feature of buccal drug delivery systems is their mucoadhesive properties, which help ensure prolonged contact between the dosage form and the buccal mucosa. This adherence is essential for maximizing drug absorption and effectiveness. Various polymers are used in the formulation of mucoadhesive buccal patches, with Hydroxypropyl Methylcellulose (HPMC) and Carbopol being popular choices due to their ability to provide adequate adhesion and control drug release. When these systems are appropriately designed, they can retain their position in the buccal cavity, resist salivary washout, and release their active ingredients in a controlled manner, thus enhancing therapeutic efficacy.
Drug Formulation and Release Kinetics
The formulation of terbutaline sulfate buccal patches was conducted using different ratios of HPMC and Carbopol. Experimental designs focused on optimizing the physical and chemical characteristics of these patches to ensure they meet therapeutic requirements. The evaluation of release kinetics revealed that drug release from the patches followed a controlled dissolution profile after being placed in a phosphate buffer solution. The patches displayed drug release mechanisms consistent with Fickian diffusion and anomalous transport, highlighting the significance of their composition in determining pharmacokinetic behavior.
Evaluation Methods for Buccal Patches
Various in vitro evaluation methods were employed to assess the physical and mechanical properties of the prepared buccal patches. These included testing for thickness, weight uniformity, folding endurance, swelling index, and surface pH, all of which are crucial for determining the suitability of the patches for clinical use. Additionally, the mucoadhesive strength and adhesion time were significant parameters in ensuring the patches remain in place during use. The results indicated that the optimized formulation (F5) showed promising characteristics, such as adequate bioadhesion and sustained drug release over time.
Conclusion
The study established that buccal patches can be effectively formulated to deliver terbutaline sulfate, overcoming significant barriers to oral administration. The patches exhibited desirable properties, including sufficient adhesion, controlled drug release, and stability over time. This innovative drug delivery approach opens the door for enhanced treatment options for patients dependent on effective management for respiratory conditions, especially considering the limitations of traditional delivery methods. Future research may focus on refining these formulations further, exploring additional polymers, or expanding the range of drugs that can be administered via the buccal route.
FAQ section (important questions/answers):
What are the advantages of using buccal drug delivery?
Buccal drug delivery bypasses the gastrointestinal tract, enhancing bioavailability. It also improves patient compliance by eliminating injection-related pain and allows for rapid onset of action, sustaining drug delivery while being easy to administer.
What is the purpose of using mucoadhesive polymers in patches?
Mucoadhesive polymers help the patch adhere to the mucosal surface, increasing contact time with the drug. This intimacy can reduce drug degradation and improve absorption through the buccal mucosa.
What drug was studied for use in buccal patches?
Terbutaline sulphate, a selective β2 adrenergic agonist used for treating respiratory conditions, was studied. It faces high first-pass metabolism, making buccal patches a suitable alternative for improved bioavailability.
How was the terbutaline sulphate buccal patch developed?
The patches were prepared using the solvent casting technique with various polymers like Hydroxypropyl Methylcellulose (HPMC) and Carbopol. The process involved dissolving the drug and polymers in a solvent and casting them into patches.
What evaluations were conducted on the buccal patches?
Evaluations included testing for drug content uniformity, swelling index, tensile strength, mucoadhesion time, and in vitro drug release profiles to ensure the effectiveness and stability of the patches.
What was the main conclusion of the study?
The research demonstrated that terbutaline sulphate can effectively be delivered via buccal patches, offering a promising alternative to conventional oral administration methods with benefits like increased bioavailability and patient adherence.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Terbutaline sulphate buccal patches using HPMC K4M, E15 polymers.”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Drug:
The term refers to a variety of compounds used in medicine. This research specifically focuses on terbutaline sulphate, a medication often used in treating respiratory diseases. The study explores innovative delivery systems to enhance the bioavailability and therapeutic effects of such drugs, benefiting patients with asthma and related conditions.
2) Surface:
The surface of a buccal patch is crucial as it interacts directly with the buccal mucosa. A smooth surface ensures comfort and efficacy in drug delivery. The surface properties can influence the adhesive nature of the patch, which is important for retaining the formulation in the oral cavity for optimal absorption.
3) Table:
Tables in research articles typically summarize data such as formulation details, drug release profiles, and physicochemical evaluations. They provide concise information, making it easier for readers to compare results across different formulations. In this study, tables illustrate the efficacy and characteristics of various terbutaline patches.
4) Study (Studying):
The study detailed in the document aims to formulate and evaluate mucoadhesive buccal patches for delivering terbutaline sulphate. Scientific research is essential to advance pharmaceutical technologies, improve patient compliance, and optimize drug delivery systems, providing critical insights into how to manage diseases effectively, particularly chronic conditions like asthma.
5) Swelling:
Swelling describes the ability of a material—like a buccal patch—to absorb liquids, increasing in size and volume. Swelling can affect drug release rates by creating channels for drug diffusion. In the context of this research, swelling studies help evaluate how well the patches perform in mimicking real physiological conditions.
6) Patel:
Patel refers to one of the authors cited in the references, indicating that similar research has contributed to the understanding of buccal drug delivery systems. This adds credibility to the ongoing exploration and development of new formulations for effective drug administration, especially in delivering challenging drugs like terbutaline.
7) Water:
Water plays a significant role in pharmaceutical formulations, particularly in the swelling and drug release studies of buccal patches. As a solvent and medium, it facilitates the dissolution and absorption of active ingredients. Understanding water interactions is crucial for optimizing the effectiveness of drug formulations administered via mucosal routes.
8) Glass:
In this context, glass typically pertains to laboratory equipment like petri dishes or beakers used in the preparation and evaluation of buccal patches. The material's non-reactive and sterile nature is vital for ensuring accurate measurements and preventing contamination during experiments aimed at studying drug release and formulation properties.
9) Kumar:
Kumar is mentioned among the authors and cited references, underscoring collaboration in advancing buccal drug delivery research. The work of researchers like Kumar is foundational in understanding the complexities of drug delivery systems, particularly those utilizing mucoadhesive technologies that enhance therapeutic outcomes.
10) Performance:
Performances encapsulate how well a drug delivery system achieves its intended outcomes, such as the rate of drug release and patient compliance. Evaluating the performance of buccal patches for terbutaline sulphate is crucial for determining its clinical effectiveness and safety.
11) Swallowing:
Swallowing poses a potential challenge for buccal drug delivery methods, as involuntarily swallowing the patch can lead to reduced drug availability. Innovations in patch design aim to create formulations that are comfortable yet adherent, minimizing the chances of accidental swallowing during therapy.
12) Filling (Filled):
Filled generally refers to the process of incorporating a drug into a delivery system, like a buccal patch. The formulation must ensure that the drug is evenly distributed within the matrix to achieve consistent therapeutic effects and enhance the release profile of terbutaline sulphate.
13) India:
India is indicated as the location where the research was conducted, reflecting the country's growing role in pharmaceutical development. The collaboration among scientists, researchers, and healthcare providers in India promotes advancements in drug delivery systems to improve health outcomes for patients dealing with chronic diseases.
14) Beta:
Beta refers to the beta-adrenergic receptors involved in the mechanism of action for terbutaline sulphate. As a selective beta-2 agonist, the drug's effects are mediated through these receptors, leading to bronchodilation, which is crucial in treating conditions like asthma and facilitating easier breathing.
15) Hand:
Hand may refer to handling techniques used in the preparation of buccal patches. Precise hand movements are important during formulation and evaluation processes to ensure that all components are mixed properly and that the patches are cut to the desired size without compromising their integrity.
16) Measurement:
Measurements in the context of pharmacological research are used to evaluate the physical and chemical properties of drug formulations. Accurate measurements of drug release, mucoadhesive strength, and film characteristics are vital for determining the overall performance of buccal patches.
17) Sharman (Sarma, Sharma, Sarman):
Sharma is named among the authors and referenced works, highlighting contributions to the understanding of mucoadhesive drug delivery. Research from Sharma and others is critical for developing effective formulations that address bioavailability issues for various therapeutic agents, including terbutaline.
18) Powder:
Powder refers to the physical form of active pharmaceutical ingredients (APIs) and excipients before they are incorporated into a formulation. The texture, moisture content, and particle size of powders influence the mixing process, drug release rates, and ultimately the performance of the final buccal patch product.
19) Blood:
Blood is vital in pharmacokinetics, as it represents the systemic circulation route for drugs after absorption through the buccal mucosa. Understanding how a drug like terbutaline reaches the bloodstream can inform the development of patches that optimize absorption and therapeutic response for treating respiratory conditions.
20) Raghavendra:
Raghavendra is another author cited in related studies advancing the understanding of buccal drug delivery systems. His contributions, alongside those of other researchers, provide valuable insights into formulation strategies that enhance drug efficacy and patient compliance in chronic disease management.
21) Relative:
Relative refers to the comparison of various formulations or their performance metrics during the study. Understanding how one formulation performs relative to another is imperative for optimizing the drug delivery system and identifying the most effective combinations of polymers and active ingredients.
22) Disease:
Diseases signify the health conditions that therapeutic drugs aim to manage or treat. The study's focus on respiratory diseases like asthma emphasizes the need for innovative delivery systems that can address specific challenges faced by patients in managing their symptoms.
23) Science (Scientific):
Sciences encompass disciplines involved in the study like pharmacology, chemistry, and biology, foundational for designing effective drug delivery systems. These fields collaborate to create innovative medications that can significantly improve therapy outcomes, especially for challenging diseases managed with buccal systems.
24) Gelatin:
Gelatin may be referenced in the context of excipients used in drug formulation. It serves as a gelling agent that can affect the texture, release properties, and mucoadhesive characteristics of buccal patches, influencing their overall performance in delivering active ingredients effectively.
25) Mishra (Misra):
Mishra is one of the researchers contributing to the study on buccal drug delivery. Collaborations in research like those involving Mishra enhance the collective understanding of formulation design, facilitating advancements in the effectiveness and availability of emerging pharmaceutical treatments.
26) Aruna:
Aruna likely refers to an author involved in related research. The collaborative efforts among researchers named, such as Aruna, emphasize the importance of teamwork in advancing knowledge and strategies for effective drug delivery systems in the field of pharmaceutical sciences.
27) Labour (Labor):
Labor in this context may refer to the work involved in research and development of new drug delivery systems. Effective drug formulation requires extensive labor, including rigorous testing and evaluations to ensure that the resulting products meet necessary safety and efficacy standards.
28) Pur:
Poor refers to the bioavailability often associated with drugs administered orally, such as terbutaline sulphate, which has been characterized by high first-pass metabolism. Addressing poor bioavailability through innovations like buccal delivery methods is a principal goal of the study.
29) Pharmacology:
Pharmacology is the scientific study of drug action, addressing how drugs interact with biological systems. It plays a key role in understanding the effectiveness of formulations developed for drugs like terbutaline sulphate, ensuring that the designed delivery systems can achieve desired therapeutic outcomes.
30) Yogananda (Yoga-ananda):
Yogananda is referenced as a contributing researcher. Such involvement in drug delivery system studies highlights the collaborative nature of scientific research required to innovate and optimize formulations that can enhance patient treatment effectiveness in various therapeutic areas.
31) Substance:
Substance refers to the active pharmaceutical ingredient, terbutaline sulphate, which is central to the study. It is crucial to understand the physical and chemical properties of the substance, as these directly impact its formulation and effectiveness when delivered via new methods like buccal patches.
32) Waranagal:
Warangal is the geographical location mentioned as the research origin, reflecting the contributions from local scientists in India to the field of pharmaceutical sciences. This helps in understanding regional advancements and focuses on improving drug delivery systems, specifically for conditions like asthma.
33) Species:
Species may refer to the biological context in which pharmacological studies are conducted. The selection of animal models, such as sheep or rabbit buccal mucosa, is crucial for simulating human responses to drug formulations and ensuring successful translatability in clinical applications.
34) Medium:
Medium in this context refers to solutions or environments used in drug release studies. The choice of medium, such as phosphate buffer, is essential for accurately assessing how well drugs like terbutaline are released from formulations in conditions mimicking the human body.
35) Hamsa (Hansa, Hamsha):
Hamsa is noted as a contributor to relevant research in buccal drug delivery systems. The collective work of scientists like Hamsa contributes to the evolution of safe, effective methods for drug administration to patients, thus improving treatment efficiency and compliance.
36) Goli:
Goli refers to an author who has worked on relevant pharmaceutical studies. Contributions of researchers such as Goli help consolidate knowledge regarding drug delivery systems, providing insights beneficial to developing improved formulations for systemic and localized therapies.
37) Rich (Rch):
Rich may describe the vascularity of the buccal mucosa, which is significant for drug absorption. This biological characteristic enhances drug bioavailability due to the direct entry into systemic circulation, providing a rationale for the focus on buccal drug delivery techniques in this study.
38) Pain:
Pain is mentioned in the context of patient compliance with drug delivery methods. The ability to administer medications without discomfort, as seen with buccal patches, can reduce stress and improve adherence to treatment regimens, particularly for chronic conditions like asthma.
39) Life:
Life relates to the overarching goal of pharmaceutical advancements—improving the quality of life for patients through effective treatment options. Innovations in drug delivery systems aim to manage diseases optimally, thereby enhancing overall health outcomes and wellness for individuals.
40) Bronchial asthma:
Bronchial asthma is one of the primary conditions targeted by the drug terbutaline sulphate. This respiratory disorder requires effective management strategies, including novel delivery systems like buccal patches, to ensure patients receive timely and effective relief from symptoms during acute episodes.
41) Pharmacological:
Pharmacological refers to the mechanisms and effects of drugs like terbutaline. Understanding these principles is critical for developing targeted drug delivery systems that enhance therapeutic efficacy and minimize side effects, an essential part of pharmaceutical research and innovation.
42) Unconscious:
Unconscious refers to scenarios where traditional medication administration methods, such as oral dosing or injections, may not be feasible. Buccal patches offer an alternative, allowing for drug delivery in situations where patients cannot actively participate in their treatment due to unresponsiveness.
43) Observation:
Observation encompasses the systematic examination of drug formulation attributes and their effects. Careful observation helps guide iterative improvements in patch design and function, ensuring that the developed buccal drug delivery systems meet the necessary performance standards for therapeutic efficacy.
44) Discussion:
Discussion in academic research typically synthesizes findings and implications from the study. It contextually assesses how the results contribute to the broader field of pharmaceutical sciences, particularly in developing better delivery mechanisms for drugs like terbutaline.
45) Developing:
Developing refers to the process of creating new drug formulations and delivery systems. In this study, developing effective buccal patches for terbutaline sulphate highlights the continuous need for innovations that improve the therapeutic experience and outcomes for patients with respiratory conditions.
46) Detachment:
Detachment relates to the ability of the buccal patch to remain adhered to the mucosa during use. Understanding factors influencing detachment is crucial for ensuring that patches provide a stable and effective drug delivery over the required duration without prematurely falling off.
47) Irritation:
Irritation can be a potential side effect of drug formulations on buccal mucosal tissue. Formulations must be designed to be non-irritating, maintaining patient's comfort while ensuring drug efficacy. Studies assess irritation to ensure compliance and effective treatment outcomes.
48) Salivation:
Salivation refers to the production of saliva, influencing drug absorption through diluting the drug in the mouth. The formulations must account for salivation's effects, ensuring that mucoadhesive patches are stable and retain their drug concentration effectively during use.
49) Swallowed:
Swallowed refers to the risk involved with buccal drug delivery systems—patients may inadvertently swallow the patch or released drug, reducing its efficacy. Designing patches that minimize this risk is essential for achieving optimal therapeutic outcomes and patient safety.
50) Composite:
Composite refers to formulations made by combining multiple ingredients for enhanced performance. In drug delivery systems, using composite materials can lead to improved mucoadhesive properties, drug release kinetics, and overall effectiveness of buccal patches.
51) Cinnamon:
Cinnamon could represent a flavoring agent or excipient in some formulations to improve patient adherence and palatability. Adding flavoring agents like cinnamon can enhance the sensory experience of drug delivery systems, making them more acceptable to users, particularly for those averse to traditional medications.
52) Activity:
Activity refers to the pharmacological effects of terbutaline sulphate. It relates directly to the drug's mechanism in providing therapeutic benefits, particularly in managing bronchospasm and promoting airflow, which is critical for patients suffering from respiratory ailments.
53) Entering:
Entering may relate to how drugs, such as terbutaline, gain access to systemic circulation through the buccal mucosa. The effectiveness of drug delivery systems hinges on minimizing barriers to entering the bloodstream efficiently, optimizing therapeutic impacts for patients.
54) Adhikarin (Adhikari):
Adhikari is mentioned as an author contributing to relevant research. This highlights the collaborative efforts in advancing scientific understanding in buccal drug delivery, driving the optimization of formulations necessary for maximizing drug effectiveness and patient compliance.
55) Kalyani (Kalyanin):
Kalyani is indicated as part of the research context, emphasizing collaboration among scientists in the exploration of drug delivery systems. Contributions by researchers like Kalyani are vital for holistic understanding and progression in developing effective pharmaceuticals.
56) Channel:
Channel in pharmacology might refer to pathways for drug absorption or release. Understanding how drugs travel through mucosal membranes or across barriers helps in designing more effective delivery systems, ensuring that drugs like terbutaline are delivered effectively to achieve their therapeutic goals.
57) Mineral:
Mineral may pertain to supplementary components or excipients within drug formulations. The involvement of minerals in medications can enhance bioavailability, stability, or overall effectiveness in delivering active ingredients like terbutaline in buccal patches.
58) Company:
Company likely refers to pharmaceutical companies involved in research, development, and distribution of formulations. Collaboration with companies enhances the ability to bring innovations, such as mucoadhesive patches, from the lab to market, ultimately improving treatment options available to patients.
59) Vaidya:
Vaidya is associated with the academic and research contributions highlighted in the reference list. Mention of authors such as Vaidya signifies collaborative research efforts aimed at enhancing drug delivery technologies and addressing gaps in current therapeutic management strategies.
60) Vishnu (Visnu):
Vishnu, similarly mentioned as an author, represents the collaborative nature of pharmaceutical research. Contributions from various researchers like Vishnu are essential in the iterative process of developing and validating new delivery systems for improved patient outcomes.
61) Dodiya:
Dodiya also appears in the research context, reflecting the collaborative exploration of mucoadhesive formulations. Integrating diverse insights from contributors like Dodiya ultimately helps enhance the efficacy and accessibility of drug delivery systems.
62) Thomas:
Thomas is referenced within the context of research collaborations, emphasizing the importance of interdisciplinary teams in advancing drug delivery technologies. Contributions from scholars like Thomas enrich the body of knowledge regarding innovative formulations for therapeutics.
63) Forest:
Forest may evoke imagery related to natural ingredients, though contextually, it could refer to a company or research group involved in drug development. Understanding diverse contributions from varied entities is crucial in creating effective delivery methods.
64) Purity:
Purity signifies the quality of active ingredients used in drug formulations and their outcomes. High purity levels ensure efficacy and safety of the drugs, which are essential for formulating mucoadhesive patches for conditions like asthma to maximize therapeutic benefits.
65) Nature:
Nature refers to the innate characteristics of biological materials and solutions used in pharmaceutical research. Understanding the natural properties of mucosal surfaces helps design better drug delivery systems by optimizing interactions with the buccal layers.
66) Arrow:
Arrow, in a scientific visualization context, is indicative of movement or directional flow, such as drug release or absorption profiles in pharmacokinetics. It's instrumental for interpreting results in studies focusing on drug delivery performance, especially in research involving buccal patches.
67) Sahni:
Sahni is another researcher contributing to the collective knowledge on drug delivery systems. Citing individuals like Sahni emphasizes the collaborative and cumulative nature of scientific inquiry, which is fundamental to advancing pharmaceutical sciences.
68) Rama:
Rama could signify an author in pharmaceutical studies, suggesting collaborative efforts that lead to enhanced formulations and delivery methods. Integration of various perspectives is crucial in refining therapies aimed at treating chronic conditions such as asthma.
69) Rani:
Rani's mention likely connects to research contributions in buccal drug delivery systems. Such collaborative naming represents the valuable input from various researchers that characterizes effective developments in pharmaceutical technology and drug formulation.
70) Alur:
Alur is referenced among researchers working on relevant pharmaceutical studies, showcasing a collaborative approach. Contributions from professionals like Alur are critical in moving forward the understanding and efficacy of buccal patch mechanisms in drug delivery.
71) Food:
Food refers to oral intake that can affect drug absorption when medication is administered. In the context of buccal drug delivery, formulations must account for potential interactions with food, ensuring that efficacy remains consistent regardless of dietary considerations.
72) Sang:
Sang in this context may signify a researcher contributing to advancing formulations and drug delivery systems. Cited contributions play a vital role in ensuring therapeutic innovations are developed based on solid scientific evidence and investigations.
73) Vari (Vari°):
Vari represents a researcher or contributor noted in the studies relevant to drug delivery methods. Such contributions are vital for pushing the boundaries of pharmacological applications and improving user experiences related to medication administration.
74) Mast:
Mast may refer to mast cells, which are involved in allergic reactions and inflammation in respiratory diseases. Understanding the interactions between medications and mast cell activity is key in developing effective therapies for asthma and similar conditions.
75) Wall:
Wall might allude to biological barriers encountered during drug absorption, including tissue barriers in the buccal delivery process. Exploring these walls assists in designing drug delivery systems that effectively penetrate mucosal surfaces for maximum bioavailability.
[Note: The above list is limited to 75. Total glossary definitions available: 79]
Other Science Concepts:
Discover the significance of concepts within the article: ‘Terbutaline sulphate buccal patches using HPMC K4M, E15 polymers.’. Further sources in the context of Science might help you critically compare this page with similair documents:
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