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INDONESIAN JOURNAL OF PHARMACY

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Published by Universitas Gadjah Mada

ISSN : 23389427 EISSN : 23389486 DOI : -

Core Subject : Health,

Medicine & Pharmacology

Indonesian Journal of Pharmacy (ISSN-e: 2338-9486, ISSN-p: 2338-9427), formerly Majalah Farmasi Indonesia (ISSN: 0126-1037). The journal had been established in 1972, and online publication was begun in 2008. Since 2012, the journal has been published in English by Faculty of Pharmacy Universitas Gadjah Mada (UGM) Yogyakarta Indonesia in collaboration with IAI (Ikatan Apoteker Indonesia or Indonesian Pharmacist Association) and only receives manuscripts in English. Indonesian Journal of Pharmacy is Accredited by Directorate General of Higher Education (DGHE) DIKTI No. 58/DIKTI/Kep/2013.

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Articles 9 Documents

Search results for , issue "Vol 24 No 4, 2013" : 9 Documents clear

STUDY OF ANALGESIC AND ANTIDIARRHOEAL ACTIVITIES OF Sonneratia caseolaris (LINN.) LEAF AND STEM USING DIFFERENT SOLVENT SYSTEM. Bokshi, Bishwajit; Zilani, Md.Nazmul Hasan; Malakar, Aparajita; Roy, Debendra Nath; Shilpi, Jamil Ahmad; Sadhu, Samir Kumar
INDONESIAN JOURNAL OF PHARMACY Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

The different fractions of crude ethanol extract of leaf and stem of S. caseolaris (Linn.) (Sonneratiaceae) were screened for its analgesic and antidiarrhoeal activities. The different fraction of crude extract was obtained by using four different solvent systems. The different fractions of crude extract produced significant writhing inhibition in acetic acid induced writhing in mice at dose of 250 and 500mg/kg BW comparable to the standard drug diclofenac sodium at the dose of 25mg/kg BW. When tested for its antidiarrhoeal effects on castor oil induced diarrhea in mice, it increased mean latent period and decreased the frequency of defecation significantly at the dose of 250 and 500mg/kg BW comparable to the standard drug loperamide at the dose of 50mg/kg BW. The overall results tend to suggest the analgesic and antidiarrhoeal activities of the different fractions of crude extract. Both ethyl acetate fraction of stem and chloroform fraction of leaf have significant analgesic activity. Again between the two fractions of crude ethanol extract ethyl acetate fraction of S.caseolaris stem have most significant antidiarrhoeal activity.Key words: analgesic, antidiarrhoeal, S.caseolaris, diclofenac sodium, loperamide.

INFLUENCE OF STABILIZERS IN MELOXICAM NANOCRYSTAL FORMATION AND ITS APPLICATION ON SUSPENSION ORAL DOSAGE FORM Magdalena Yuni Kristanti; Rachmat Mauludin; Heni Rachmawati
Indonesian Journal of Pharmacy Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Meloxicam is a non steroid anti inflammatory drug that is classified as Biopharmaceutics Classification System (BCS) class II. Meloxicam is poorly soluble in water, therefore its solubility would be the rate limiting step for drug absorption. This study was conducted to improve meloxicam solubility using nanotechnology approach. Meloxicam nanocrystal was prepared using high pressure homogenization technique. Several stabilizers were investigated for suitable nanocrystal production. Formulation of suspension on the meloxicam nanocrystal was developed. Short physical stability was performed to assess the potential use of the stabilizer. Nanocrystal containing 10% meloxicam and 5% PVP K25 was formed faster with better physical stability compared to other stabilizers (xanthan gum, HPMC 2910 type 603 dan 645). Meloxicam nanocyrstal suspension containing meloxicam nanocrystal with stabilizer 5% or 10% of PVP K25 showed excellent particle size stability (with particle size 466.6nm and 486.9nm) and dissolution rate compared to reference product (without nanonization). Particle size and dissolution rate of meloxicam nanocrystal suspensions (containing 5% or 10% of PVP K25) were stable after storage for 30 days at room temperature. Kinetic solubility of meloxicam nanocrystal was three times higher than that of meloxicam. According to XRD profile, there was no differences in crystallinity between meloxicam and meloxicam nanocrystal.Key words: meloxicam, high pressure homogenizer, nanocrystal,dissolution rate, kinetic solubility

PHARMACEUTICAL EXCIPIENTS: GLOBAL REGULATORYISSUES Dureja, Harish; Kumar, Dinesh
INDONESIAN JOURNAL OF PHARMACY Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

An excipient may be defined as an ingredient that is intentionally added to a drug for purposes other than the therapeutic or diagnostic effect at the intended dosage. Excipients have functional roles in pharmaceutical dosage forms which include the suitable form of consistency, modulating solubility and bioavailability of active ingredients, enhancing stability of the active ingredients in finished dosage form and many others. In most of the developed countries, the excipients are regulated as an active pharmaceutical ingredient. In Europe, it is assumed that novel excipients need to be evaluated as new chemical entities. In United State, the Food and Drug Administration assesses and permits use excipients as part of new drug application. The lack of harmonized international regulatory guidelines leads to the formation of the International Pharmaceutical Excipients Council (IPEC) in 1991. The IPEC was found to calibrate with different countries like Japan, Europe and China to address prevalent industry concerns related to the international harmonization of excipients standards, the introduction of useful new excipients to market place, and development of safety evaluation guidelines for the excipients. In the present study, an attempt has been made to investigate global issues governing regulations of pharmaceutical excipients.Key words: pharmaceutical excipient, regulatory guidelines, IPEC

THE EVALUATION OF SINGLET OXYGEN QUENCHING AND SUNSCREEN ACTIVITY OF CORN COB EXTRACT Suryanto, Edi; Momuat, Lidya Irma; Yudistira, Adithya; Wehantouw, Frenly
Indonesian Journal of Pharmacy Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

The corn cob waste has been reported to have antioxidant activity. Active compound such as antioxidant has been considered as potential sunscreen resources. The objectives of this research were to determine singlet oxygen quenching and sunscreen activity of corn cob. Corn cob was extracted using ethanol 20, 40, 60 and 80% by reflux for 2h at 78oC. The singlet oxygen quenching activity was evaluated by photooxidation of linoleic acid. Singlet oxygen quenching activity was conducted using linoleic acid as substrate containing erythrosine as a sensitizer and exposed under continuous illumination (4000 lux) with the fluorescent light for up to 5h. The sunscreen activity was evaluated by sun protection factor (SPF) using spectrophotometry UV-Vis. Ethanol extract 80% (E80) shows the highest total phenolic content followed with E60, E40 and E20. The result shows that the lowest singlet oxygen quenching activity was E20 (15.63%), and the highest was E80 by 65.63% percentage of inhibition. SPF value of E20, E40, E60, and E80 at concentration 200μg/mL were 7.52; 12.24; 15.81 and 17.78, respectively. SPF value increase with the increasing of concentration, total phenolic content and singlet oxygen quenching activity. The conclusion of this research was corn cob extract possess phytochemical compound having potency as singlet oxygen quencher and sunscreen active compound.Keywords: corn cob, phenolic phytochemical, singlet oxygen quenching, sunscreens

POLYMERIC MICELLES: POTENTIAL DRUG DELIVERY DEVICES Deepak, Payal; Nagaich, Upendra; Sharma, Aman; Gulati, Neha; Chaudhary, Amit
Indonesian Journal of Pharmacy Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Polymeric micelles (PMs) have been the most popular and promising topic of many researches in the field of drug delivery and targeting for the past two decades. Polymeric micelles are the selfassembled nano-sized colloidal particles which are made up of amphiphilic block copolymers i.e. polymers consisting of hydrophobic block and hydrophilic block. In this highlight, we give an overview of the structure of micelles and polymeric micelles followed by a summary of the methods used for their preparation. We then focus on several kinds of PMs based on intermolecular forces such as polyion complex micelles (PICMs), non-covalently connected micelles (NCCMs) and recently developed smart polymeric assemblies which can respond to the application of external stimuli such as a change in temperature, pH, redox and light to afford novel nanomaterials. The types of polymers used in the preparation of PMs have also been highlighted so as to facilitate its use in drug delivery and targeting. These polymeric micelles nanocarriers have applications in drug delivery primarily such as anticancer therapy, to the brain to treat neurodegenerative diseases, antifungal agents, stimuli-responsive nanocarriers for drug and gene delivery, ocular drug delivery. Targeted drugs will hopefully reduce adverse reactions by limiting their action to cancer tissue only. Finally, this review broadly presents the basic aspects of PMs which help in delivery and targeting of actives with its recent advancements and applications.Key words: micelles, polymeric micelles, block copolymer, stimuli sensitivity

OPTIMIZATION AND IN VIVO EVALUATION OF MESALAMINE pH DEPENDENT COATED PELLETS FOR PROMISING ILEOCECAL TARGETING Gangurde, Hemant H; Chordiya, Mayur Ashoka; Tamizharasi, S.; Sivakumar, T.
INDONESIAN JOURNAL OF PHARMACY Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

The present research is a challenge to design, optimized and evaluates mesalamine loaded burst release pH dependent coated pellets for possible ileo-cecal targeting to treat effectively Crohnâs disease. The novelty of this formulation is to release drug specifically and instantly in ileo-cecal region where the chances of Crohnâs disease is more frequent, without being released in upper gastrointestinal tract. Preliminary experimental batches are studied for micromeritic properties and in-vitro drug release. FormulationÂ showed desirable lag time of 5h and dissolution profile were further optimized by applying 32 full factorial design to study the effect of extent of coating (% w/w) Eudragit S100 and croscarmellose sodium over drug layered pellets. The regression equation generated for Q300 (lag time of 5h) = +5.72-31.97*A+0.82*B-0.49*A*B+26.36*A2-0.15*B2 and for Q390 (90% of drug release at pH7.2 within 90 minutes after lag time) = +84.63- 40.09*A+4.62*B. The drug release data of optimized formulation were close to that predicted by the model. Various kinetic models were applied to the all optimized batches. In vivo evaluation of optimized formulations was performed to assess macroscopic, microscopic and biochemical parameters in rats and performed. The present study demonstrates that the mesalamine enteric coated pellets successfully targeted at ileo-cecal region.Key words: Mesalamine, pulsatile, ileo-cecal targeting, celpheres, Croscarmellose sodium, eudragit S100

CRYSTAL FORMS OF LOMEFLOXACIN: PREPARATION, CHARACTERIZATION AND DISSOLUTION PROFILE Vellaichamy Ganesan; Raju Thenge; Naresh Vinjamuri; Srinivasarao Prathipati
Indonesian Journal of Pharmacy Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

The present work was undertaken with the synthesis of crystal forms of Lomefloxacin from solvents of varying polarity (polar, protic solvents). The purpose of the present investigation was to employ crystallization techniques in order to improve the solubility and dissolution studies of Lomefloxacin. The experimental methods involved the preparation of lomefloxacin crystals by crystallization from single solvent technique. Crystals were prepared from solvents like distilled water, ethanol and methanol. Prepared crystals were undergone various studies in terms of crystal yield, melting point, true density, solubility and in vitro drug release study as well as characterized by technique viz: FT-IR, differential scanning calorimetry (DSC) and Powder X-ray Diffractometry(PXRD). Photomicrographs of the crystals shows that the crystals obtained from different solvents existed in different shape. Among all the crystals, LOME-I belongs to Type-1 and LOME–II belongs to Type-2 based on instrumental techniques. Highest crystal yield (88%) and maximum density (1.2021g/mL) was observed with LOME-I. Maximum solubility and dissolution rate was observed in LOME-III followed by LOME-II and LOME-I. However all prepared crystal forms showed higher solubility and dissolution profile when compare with commercial Lomefloxacin. It is concluded that the study has indicated the existence of two polymorphic forms of Lomefloxacin which was having better solubility and in vitro release than that of commercial Lomefloxacin.Key words: Polymorphism, Solubility, Dissolution rate, DSC, FT-IR, PXRD

FORMULATION AND EVALUATION OF BILAYER SUSTAINED RELEASE TABLET OF ZOLPIDEM TARTRATE Rabinarayan Parhi; Sanjay Kumar Bhupati; Padilam Suresh; Vijay Kumar
Indonesian Journal of Pharmacy Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

The purpose of the present study was to develop a bilayer tablet of zolpidem tartrate (ZT) using sodium starch glycolate (SSG) as superdisintegrant in the immediate release (IR) layer and hydrophilic polymers such as hydroxypropyl methylcellulose (HPMC K4M), metalose 90 SH 4000, carbapol 974 PNF in sustained release (SR) layer. Both the IR and SR granules of ZT were evaluated for bulk density, tapped density, angle of repose, Carr’s index, Hausner ratio and loss on drying. All the values were found to be satisfactoy. The prepared bilayer tablets were evaluated for weight variation, hardness, friability, drug content, in vitro drug release, FT-IR studies, similarity factor and stability studies. In vitro dissolution studies were carried out in a USP dissolution apparatus I using 500mL of 0.01N HCl as dissolution medium. The formulations gave an initial burst effect to provide the loading dose of the drug followed by sustained release for 4 h. The data obtained were fitted to Zero order, First order, Higuchi’s model and Korsmeyer-Peppas equations. The release exponent (n) values for all the formulations were less than 0.45 indicating Fickian diffusion was the drug release mechanism. FT-IR studies indicated that there are no drug-excipient interactions. The similarity factor (f2) was calculated by comparing dissolution data of all the formulations with that of marketed bilayer tablet of ZT (Ambien CR). The f2 value was highest (70) for the formulation SF8 and was selected as promising formulation among all the developed formulations. The stability study was performed on the formulation SF8 at 25oC/60% RH, 30oC/75% RH and 40oC/75% RH (accelerated condition) for 3 months. The results indicated that there were no significant changes in aforesaid tablet properties.Key words: bilayer tablets, zolpidem tartrate, sustained release, higuchi’s equation, similarity factor

DESIGN AND OPTIMIZATION OF SOLID LIPID NANOPARTICLES (SLNs) OF ZOLMITRIPTAN FOR THE MANAGEMENT OF MIGRAINE Garud, Akanksha; Singh, Deepti; Garud, Navneet
Indonesian Journal of Pharmacy Vol 24 No 4, 2013
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Solid lipid nanoparticles (SLNs) of zolmitriptan were produced by solvent emulsification-diffusion technique. Soya lecithin and poloxamer 188 were used as surfactants and stabilizers of the particles. The formulations were optimized for independent variables (amount of stearic acid, amount of lecithin and homogenization time) in order to achieve desired particle size with maximum percent entrapment efficiency (% EE). Prepared SLNs were characterized by transmission electron microscopy (TEM), atomic force microscopy (AFM) and zeta potential measurements. To achieve our goal, eight formulations (F1â€“F8) of SLNs were prepared by solvent injection technique and optimized by 23 full-factorial design. The responses of the design were analyzed using Minitab 15. On the basis of software analysis, formulation F8 was selected as optimized formulation and was evaluated for the independent parameters. Optimized formulation showed particle size of 340nm, percent entrapment efficiency (EE) of 81.36 and 79.11% of in-vitro drug release after 24h. The release kinetics of the optimized formulation best fitted the Higuchi model.Key words: solid lipid nanoparticles, zolmitriptan, solvent emulsificationdiffusion technique, in-vitro release.

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