Preparation and analysis of human medication tablets in drug delivery system

Author(s):  
Soujanya H ◽  
Purushothaman M ◽  
Jagadeeshwari S ◽  
Shiva Kumar K

Presently days, a significant objective medication conveyance study is twisted to the improvement of robust medication conveyance frameworks with previously existing dynamic fixings in the event of new medication disclosure. A considerable lot of remedial drug operators are generally viable when made accessible at steady rates close to assimilation locales. Much exertion has been proceeding to create advanced medication conveyance frameworks, for example, osmotic gadgets for oral request. Oral medication conveyance framework is more preferred on famous measured medication conveyance framework in innovative drug work (R and D) business because of increment in attention to clinical and drug network about the significance of sheltered and viable utilization of medication. In the current examination work, pulsatile drug conveyance arrangement of Zileuton tablets was planned by utilizing pressure covering innovation. At first, the centre tablets were set up by 30% groupings of wonderful crumbles; the figured centre tablets were covered with the polymers by utilizing pressure covering innovation. All the centre and press covered tablet details were exposed to different corporeal and concoction assessment tests for centre and press covered tablets. The hardness, thickness and weight variety appeared by all the tablet definitions were originate inside the authorized pharmacopoeias bounds. In-vitro arrival of Zileuton of centre tablet details F1 demonstrated quicker medication discharge after 15 min. Quicker medication delivery can be connected with significant deterioration, and friability saw in this examination. The enteric covered plans C1, C3 indicated the most significant medication discharge following 4 hours. Time subordinate pulsatile drug conveyance framework has been accomplished from the tablet of definition C3, C6 and C9 with 95.5%, 94.76% and 97.48% separately.

Author(s):  
Lendave A. S.

Microsponge drug delivery system (MDDS) technology holds a remarkable promise for achieving the aim of controlled and site-specific drug delivery which reduce systemic exposure and minimize local cutaneous reactions to active drug and as a result, has attracted huge interest of researchers. Microsponges consist of microporus beads, typically 10-25 microns in diameter, loaded with active agent. When carried out to the skin, the microsponge releases its active element on a time mode and also in reaction to different stimuli (rubbing, temperature, pH, and many others) which can be used ordinarily for topical and lately for oral management. This article gives a extensive assessment of Microsponges drug transport system discussing the concepts and practise methods. Appropriate analytical techniques for characterization of microsponges like particle size and its distribution, surface morphology, porosity, density, In Vitro drug release studies as well as applications of microsponge and future prospects are covered. Advantages/Potential functions, limitations and their possible remedies of the microsponge and programmable parameters are also mentioned. The microsponge are used in the sunscreens, creams, ointments, over the counter skin care preparations, which are meant for topical application. microsponge drug delivery can provide increased efficacy for topical active agent with enhanced safety, extended product stability.


2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Xiaoli Zhang ◽  
Yi Lu ◽  
Die Jia ◽  
Wei Qiu ◽  
Xianbin Ma ◽  
...  

Abstract Background The complex tumor microenvironment and non-targeting drugs limit the efficacy of clinical tumor therapy. For ensuring the accurate delivery and maximal effects of anticancer drugs, it is important to develop innovative drug delivery system based on nano-strategies. Result In this study, an intracellular acidity-responsive polymeric metal organic framework nanoparticle (denoted as DIMP) has been constructed, which can co-deliver the chemotherapy agent of doxorubicin (DOX) and phototherapy agent of indocyanine green (ICG) for breast carcinoma theranostics. Specifically, DIMP possesses a suitable and stable nanometer size and can respond to the acidic microenvironment in cells, thus precisely delivering drugs into target tumor sites and igniting the biological reactions towards cell apoptosis. Following in vivo and in vitro results showed that DIMP could be effectively accumulated in tumor sites and induced powerful immunogenic cell death (ICD) effect. Conclusion The designed DIMP displayed its effectiveness in combined photo-chemotherapy with auxiliary of ICD effect under a multimodal imaging monitor. Thus, the present MOF-based strategy may offer a potential paradigm for designing drug-delivery system for image-guided synergistic tumor therapy. Graphical Abstract


2015 ◽  
Vol 7 (1-2) ◽  
pp. 65-74
Author(s):  
K. Latha ◽  
V. V. Srikanth ◽  
S. A. Sunil ◽  
N. R. Srinivasa ◽  
M. U. Uhumwangho ◽  
...  

The objective of this investigation is to study the applicability of gum karaya, the natural gum for the preparation and in vitro evaluation of losartan potassium, as Chronotherapeutic Drug Delivery System (ChDDS). The compression-coated timed-release tablets (CCT) containing losartan potassium in the core tablet were prepared by dry coating technique with different ratios of gum karaya as the outer coat. The parameters investigated were tensile strength, friability, in vitro dissolution studies and drug concentration. The optimized formulation was further characterized by powder XRD and FTIR to investigate interactions and no interactions observed. The tensile strength and friability of all the CCT were between 1.06-1.23 MN/m2 and < 0.3% respectively.  All the CCT showed a clear lag time before a burst release of drug. However, the lag time of drug release increased as the amount of gum karaya in the outer layer increased. For instance, the lag time of LGK1, LGK2, LGK3, LGK4, LGK5, LGK6 and LGK7 were 16, 10.5, 5.5, 3, 2, 1.5 and 0.5 hrs respectively.  The drug content of all the CCT was >98%. Formulation LGK3 was taken as an optimized formulation which can be exploited to achieve ChDDS of losartan potassium for the treatment of hypertension. 


2003 ◽  
Vol 92 (12) ◽  
pp. 2411-2418 ◽  
Author(s):  
Neslihan Gursoy ◽  
Jean‐Sebastien Garrigue ◽  
Alain Razafindratsita ◽  
Gregory Lambert ◽  
Simon Benita ◽  
...  

2007 ◽  
Vol 25 (6) ◽  
pp. 1347-1354 ◽  
Author(s):  
Heiko Kranz ◽  
Erol Yilmaz ◽  
Gayle A. Brazeau ◽  
Roland Bodmeier

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