Objective: The main motive is to develop proniosomes loaded orabase for enhanced permeation and prolonged release of aceclofenac for oro dental conditions.Methods: Various aceclofenac (ACL) proniosomal gels were formulated employing various surfactants, span 60 was superior and significant for loading into orabase. The formulations were scrutinized for entrapment efficiency, optical microscopy, in vitro diffusion and release studies, mucoadhesive strength, ex-vivo permeation studies and drug-excipient interactions were determined by FTIR spectroscopy.Results: Considering best entrapment efficiency with span 60 (97.60±1.85) and optimum vesicle shape, along with prolonged drug permeation (45% for 24 h) the formulation F(ACL)1 was selected and optimized for loading into orabase. The F(ACL)1 loaded orabase exhibited significant prolonged release over 14 h, and permeation profiles exhibited nearly two-fold increased flux in comparison with control. Good mucoadhesive strength was observed for proniosomal orabase 6370 dynes/cm2. No evidence of incompatibility amongst formulation components from FTIR studies. SEM images revealed the particle size range from 136 µm to 236 µm for proniosomal orabase.Conclusion: Orabase can be an effective carrier for proniosomes with enhanced permeation and prolonged release for oro-dental conditions.
Currently a marked interest in developing lipid-based formulations to deliver lipophilic compounds. Self-emulsifying system has emerged as a dynamic strategy for delivering poorly water-soluble compounds. These systems can embrace a wide variety of oils, surfactants, and co-solvents. An immediate fine emulsion is obtained on exposure to water/gastro-intestinal fluids. The principal interest is to develop a robust formula for biopharmaceutical challenging drug molecules. Starting with a brief classification system, this review signifies diverse mechanisms concerning lipid-based excipients besides their role in influencing bioavailability, furthermore pertaining to their structured formulation aspects. Consecutive steps are vital in developing lipid-based systems for biopharmaceutical challenging actives. Such a crucial structured development is critical for achieving an optimum formula. Hence lipid excipients are initially scrutinized for their solubility and phase behavior, along with biological effects. Blends are screened by means of simple dilution test and are consequently studied with more advanced biopharmaceutical tests. After discerning of the principle formula, diverse technologies are offered to incorporate the fill-mass either in soft/hard gelatin capsules. There is also feasibility to formulated lipid-system as a solid dosage form. Although such solid technologies are desirable but such should not undermine the biopharmaceutical potential of lipid-formulations.
An existence of transdermal delivery tool, proniosomal gel, has established to showed remarkable development for lipophilic/hydrophilic drugs over additional formulations. Newer drugs of lipophilic nature emerge poor bioavailability, irregular absorption, and pharmacokinetic changes. Therefore, this novel drug delivery system has been proved advantageous over other oral and topical delivery of drug candidates to bypass such disruption. This proniosomal gel basically is a compact semi-solid liquid crystalline (gel) composed of non-ionic surfactants easily formed on dissolving the surfactant in a minimal amount of acceptable solvent and the least amount of aqueous phase and phosphate buffer. Topical application of gel under occlusive condition during which they are converted into nisomes due to hydration by water in the skin present itself. Proniosomal gels are typically present in transparent, translucent, or white semisolid gel texture, which makes them physically stable throughout storage and transport. This review provides an important overview of the preparation, formulation, evaluation, and application of proniosome gel as a drug delivery carrier.
The main aim of this study is to determine the anti-hyerlipidemic and anti-obesity activity of Canephora robusta in hyperlipidemia induced rats. Prepared coffee bean extract (GCE) was procured from the market which is unroasted and contains more quantity of caffeine and chlorogenic acid when compared to roasted coffee. Male albino Wister rats are fed with high fat diet (HFD) for weeks to induce hyperlipidemia in rats, which are divided into 4 groups with 4 animals in each group. Test GCBE was given in doses of 200 mg/kg and 400 mg/kg to III and IV groups which are fed with HFD for 30 days. Then blood samples were collected through retro-orbital sinus by capillaries and serum is separated for analysis. The result obtained from lipid profile which includes total cholesterol, triglycerides, very low density lipoproteins, and low density lipoproteins shows the decreased level when compared to the hyperlipidemic control. This shows the significant reduction of total body weight (p < 0.05) when given with dose of 200 mg/kg and 400 mg/kg. The present study suggests that GCBE has anti-obesity and anti-hyperlipidemic activity, where 400 mg/kg is more effective to reduce the total body weight and lipid levels when compared to 200 mg/kg. Further studies on this extract may lead to identify the possible mechanism of action and isolation of active principle from the same.
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