The paper reviews an overview of a conventional and novel approach in the topical drug delivery system. Drug delivery via the skin is becoming progressively popular due to its convenience and affordability. The skin is the most important mechanical barrier to the penetration of many drug substances and acts as an ideal site to deliver the drug both locally and systemically. The topical route has been a favored route of drug administration over the last decades. Despite conventional topical drug delivery systems limits in poor retention and low bioavailability. This drawback overcomes by extensive research to develop a novel topical drug delivery systems targeting to improve the safety, efficacy and to minimize side effects. The conventional review focuses on dusting powders, poultices, plasters, lotion, liniments, solution, emulsion, suspension, colloidions, tinctures, creams, gels, ointments, pastes, suppositories, transdermal delivery systems, tapes, and gauzes and rubbing alcohol while the novel review focuses on novel gels, aerosol foams, microsponges, muco-adhesive bio-adhesives, novel vesicular carriers, nano-emulsion & nano-emulgel, protein and peptide delivery, polymers, emulsifier-free formulations and fullerenes etc. The key purpose of a topical delivery system is to enhance the skin permeability and to retain in the dermis. This review addresses a basis for further advancement and up-gradation of current techniques and technologies.

Inulin is a versatile, water-soluble polysaccharide that is commonly available in nature. In the pharmaceutical industry, the non-digestible function of inulin has made it attractive. Inulin is granted with GRAS status by the FDA and more than 30,000 plants in nature store inulin as a carbohydrate. The chicory is the key plant source of inulin out of all sources. It can be used as the sugar or fat replacer in the processed foods to influence the desirable characteristics. Good biocompatibility, essential chemical properties, and a wide variety of bioactivities have rendered inulin an outstanding natural nutrient. Regulating blood sugar, antioxidant, anticancer is some of the biological activities of inulin. Inulin can also be a carrier for colon/tumor targeting, as only specific enzymes in the colon zhydrolyze the inulin. It allows the growth of micro-flora, the good bacteria in the gut. Inulin is considered as a prebiotic as it is fermented by bacteria that normalize the colon. This review offers an in-depth insight into its novel Pharmaceutical applications as well as sources, processing, physicochemical properties, and nutritional and physiological activities. The chemically modified inulin is gaining a specific interest in the pharmaceutical field with its outstanding properties which are discussed in this review.

The research aimed to formulate and prepare hydrogel of low molecular weight chitosan nanoparticles with the help of antifungal agents such as clotrimazole and Nystatin for the topical application. Using the ionic gelation process, placebo and nanoparticles containing drugs were prepared. By cationic interaction is suitable for pH, and gel sodium tripolyphosphate is used as a crosslinker which cross-links the chitosan particles to form the gel, interaction between drug and polymer was observed during the formulation development. Formulated nanoparticle with chitosan and nystatin and clotrimazole showed the mean diameter 273.7nm, 983nm, and 501nm. Clotrimazole and Nystatin had encapsulation capacity was about 74.6% and 63.0%, respectively. In vitro drug release at pH 4.7 chitosan molecules are examined for the version of clotrimazole and nystatin.it has noticed that both the formulation shows sustained drug release about 12 hours. Using SEM, nanoparticles are directed for surface morphology character; it shows that nanoparticles are smooth and spherical in structure. Chitosan itself has the antimicrobial property; it was carried out for the antifungal activity against the fungus Candida Albicans along with the prepared formulations drugs for the comparative study. And the result showed that clotrimazole had maximum fungal growth inhibition next followed by the nystatin and chitosan is least. This inhibitory effect was due to the parameter such as zeta potential and particle size of chitosan nanoparticles. And it shows the least antifungal activity of nanoparticles, which are formulated from the TMC. Hence CTZ and Chitosan were formulated and applied as a natural antifungal agent into nanoparticle to increase the fungal activity. According to the ICH Q1A (R2) guidelines, stability studies are conducted to prove no degradation of the drug. The prepared formulation of chitosan nanoparticles based hydrogel incorporated with clotrimazole and nystatin are promising and significant properties for the efficient treatment of topical fungal infections

The aim of the present work was to compare the wound healing efficacy of different topical dosage forms such as β cyclodextrin complex gel, liposomal gel, and ointment on the rat model. Simvastatin was used as a drug, β cyclodextrin was used as a complexing agent to enhance solubility, L α Phosphatidylcholine as a phospholipid, and cholesterol as a stabilizing agent. Liposomes were prepared by thin-film hydration method, β cyclodextrin complexes of simvastatin were prepared by spray drying technique, and the ointment was prepared in simple method. Beta cyclodextrin gels and liposomal gels were prepared by direct incorporation of spray-dried products and lyophilized liposomes into Carbopol gel. The gel was evaluated for drug content, particle size, viscosity, spreadability, surface morphology, in-vitro drug release studies, skin irritation study, and wound healing activity studies. FTIR and DSC studies showed no chemical interaction between the drug and excipients. The particle size of β cyclodextrin complexes was in the range of 0.5 μm to 2.5 μm and for liposomes 163 nm to 725 nm. The in-vitro drug release was 96.7 % at the end of the sixth hour for β cyclodextrin gel, 29.7 % at the end of the sixth hour for liposomal gel, and 96.2 % at the end of 3 hours for ointment. Wound healing activity studies were carried out for 21 days on albino wrister rats, a period of epithelization, and rate of wound contraction was measured on 4, 8, 14, 16, and 21 days. Simvastatin ointment showed a significant effect on wound healing in the rat model compared to β-cyclodextrin gel and liposomal gel. Hence, Simvastatin ointment could be a potential dosage form for clinical utility on wound healing.

Gastric Cancer (GC) is one among the serious diseases prevailing globally. GC has immense global life-threatening health issues by taking 4th place among all the widespread cancers and 2nd foremost reason for fatality around the globe. Numerous patients have an inoperable disease at diagnosis or have recurrent disease after resection with curative intent. Surgery remains the principle therapy, while perioperative and adjuvant chemotherapy and chemoradiation can improve the outcome of GC therapy. Targeted therapies such as Trastuzumab, an antibody against HER2 and the VEGFR-2 antibody ramucirumab highly preferred in GC. Since the last few years, immunotherapy became a significant approach for the cure of various cancers like GC.  In the present review, we have put forward the various stages of GC and all the possible advanced treatments for GC. Surgery is still the first choice analysed in GC followed by chemotherapy and radiotherapy. New frontiers in treatment suggest the growing consideration for intraperitoneal administration of chemotherapeutics and a combination of traditional drugs with the newer generation. A note is added to relevant studies dealing with neoadjuvant and adjuvant treatment concepts and gives an overview of latest trends and developments in GC treatment

Orodispersible tablets (ODTs) were the conventional product that disintegrates or dissolves into the buccal mucosa in less than 1mins in the absence of water and without chewing. They were first acquainted with the market during the 1980s, and end up one of the quickest developing subdivisions of the oral medication conveyance industry and their items are creating at an extraordinary rate. New orodispersible tablet innovations address numerous pharmaceutical and need of patients, extending from upgraded life-cycle the executives for reasonable medicating for pediatric, aged, and mental patients with trouble in swallowing. These supposedly affect about 35% of the all-inclusive community and related to various ailments like Parkinsonism, mental incapacity, motion sickness, obviousness, water inaccessibility, and so on. Other individuals possibly will face difficulties by utilizing control release solid oral product comprise the psychologically ill, partially developed patients, and rare patients those are unco-operative, on taking place diminished fluid consumption and are nauseated. To defeat such troubles, orodispersible tablets have been formulated. In this dosage form, the property of ODTs can be reached by the expansion of various additives such are super- the disintegrating agent is the main excipient. This has been motivated by both industry and academia to develop advanced orally dispersible products and advanced methodologies in the market. The ODTs are the most extensively implemented marketable products than others. The main purpose of this review paper is to provide the complete information of ODTs formulation

Diloxanide Furoate is a Dichloroacetamide derivative utilized for the treatment of various protozoal infections like amoebiasis. Colon targeted tablets were designed using pH sensitive polymers like Eudragit S100, Eudragit L 100,Cellulose acetate phthallate at different concentrations. All the matrix,compression coated formulations showed the desired physicochemical properties as per the official limits. The drug release studies were performed according to the USP paddle method by using 0.1N HCL for 2 hours, pH 7.4 phosphate buffer for 3 hours and pH 6.8 phosphate buffer upto 18 hours. A better controlled drug release was shown for Eudragit L 100. Based on the comparative drug release studies among different Formulations F9 with Eudragit L 100 polymer showed better control drug release. The release kinetics for the Optimised Formulation F9 was calculated and “r2” value was more for Zero order kinetics i.e.,0.970 indicating that the formulation doesnot depend upon its concentration and from the Korsmeyer peppas model the diffusion exponent value “n” is > 1 indicating that it follows super case II transport mechanism. The accelerated stability studies conducted for optimised formulation F9 for 3 months have no significant variation.