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FORMULATION AND EVALUATION OF CINITAPRIDE TABLETS AS FLOATING DRUG DELIVERY SYSTEM

About Authors:
S.Dinesh*, M.Senthil Kumar, Ashok kumar, Hariharan, jenish, Marshal joseph
Annai veilankanni’s pharmacy college
saidapet, chennai – 600 015.
Tamil nadu, pin:600015
*dinesh.pharmacy@gmail.com

ABSTRACT
Cinitapride1-2, chemically4-amino-N[3-(Cyclohexan-1-yl-methyl)-4-piperidinyl]-2-ethoxy-5-nitrobenzamide has the molecular formula C21H30N4O4 and molecular weight 402.49 g.Cinitapride is a drug that has against action to the serotoninergic 5-HT2 and D2 dopaminergic receptors that has been indicated in the gastro esophageal reflux and in the functional disorders of gastrointestinal motility treatment, The present study was aimed to formulate and evaluvate the tablets containing Cinitapride based on floating  technique in order to increase gastric retention time, Total 9 formulation (F1-F9)were done using 3 different polymers like (HPMC k4m, HPMC e15m and HPMC k100m ). The formulations prepared were subjected to dissolution tests for 12 hrs, Among all the 9 formulation  formulation (F5) were able to efficiently control Cinitapride release over a time period of 12 hrs. Thus the results of the current study clearly indicate, a promising potential of the floating tablet as an alternative to conventional dosage form.

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FORMULATION AND EVALUATION OF FLOATING TABLETS USING ALFUZOSIN HYDROCHLORIDE AS A MODEL DRUG

About Authors:
Jenish.R*, M.Senthil kumar, Dinesh, Ahokkumar, Marshel, Hariharan
Annai veilankanni’s college of pharmacy
Saidapet, Chennai-600015
Tamilnadu
*jenishnathan@gmail.com

ABSTRACT
Alfuzosin is a non-subtype specific alpha(1)-adrenergic blocking agent that exhibits selectivity for alpha(1)-adrenergic receptors in the lower urinary tract. Inhibition of these adrenoreceptors leads to the relaxation of smooth muscle in the bladder neck and prostate, resulting in the improvement in urine flow and a reduction in symptoms in benign prostate hyperplasia. Alfuzosin also inhibits the vasoconstrictor effect of circulating and locally released catecholamines (epinephrine and norepinephrine), resulting in peripheral vasodilation. The alfuzosin of the present investigation is designed to retain in the stomach and deliver the drug alfuzosin for longer periods of time. The developed floating provides increased absorption of the alfuzosin at a rate such that effective plasma levels can be achieved and maintained for a prolonged duration. Formulations 6 displayed drug release considered in 0.1N HCL and Formulation 6 shows better drug release in dissolution profile.

ANTIDEPRESSANT ACTIVITY OF POLYHERBAL EXTRACT ON RODENTS

About Authors:
A.Tamil Selvan*, R.Suresh1, D.Benito Johnson2, R.Suresh Kumar3, R.Venkatanarayanan4, L.Sivakumar5
Department of Pharmacology
Teegala Ram Reddy College of Pharmacy, Meerpet, Hyderabad – 97
1-4RVS College of Pharmaceutical Sciences, Sulur, Coimbatore- 641402
5SKM Siddha and Ayurvedha Company (India) Limited, Erode - 638104.

*tamilselvanpharmacologist@gmail.com

ABSTRACT
In this study, polyherbal extract of Cycas circinalis, Nardostachys jatamansi and Artemisia absinthium ethanolic fraction was explored for its antidepressant property using Forced swim test (FST) and Tail suspension test (TST). Many of its individual constituents have been used for central nervous system (CNS) activities but no systematic work was carried on this combination. In this study its effect on depression was explored in rats. For this purpose the plants part were extracted by successive solvent extraction by Soxhylation. Ethanolic extract was chosen for the pharmacological evaluation, based upon the phytochemical and instrumental analysis. The ethanolic extract was subjected to FT-IR analysis for finding the possible number and nature of function groups present in it. Also the extract was analysed by HPLC for the number possible phytocompounds/phytoconstituents present, which may directly or indirectly involve in the brain neurochemical activity. Acute and Subacute toxicity study revealed the dose upto 2000mg/kg the extract had not toxic symptoms and no mortality. The therapeutic dose was found to be 200mg/kg and there was no toxic damage to liver and kidney observed in subacute toxicity study. The ethanolic extract of the polyherbal combination exhibited significant (P<0.001) antidepressant activity  as indicated by its ability to decrease swim stress and tail suspension induced immobility time in rats as compared with that standard Fluoxetine. As well as restoring biogenic amines to normal level that was altered by the swim stress and tail suspension test in whole rat brain assay by HPTLC method. The result indicates this polyherbal combination can be a potential candidate for .managing depression. However further studies are required to confirm the exact therapeutic efficacy.

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DETERMINATION OF PKA OF ACTIVE PHARMACEUTICAL INGREDIENT BY SPECTROMETRY

About Authors:
Kalpesh Ashara
Registered Pharmacist S.K.R.I.Medicines Centre, Rajkot, Gujarat, India,
M.Pharm Semester-I Student of B.K.Mody Govt.Pharmacy College Rajkot,
Department of Pharmaceutics GTU, Gujarat, India.
kalpeshashara@yahoo.com, kalpeshshr5@gmail.com*

Abstract:
Spectrophotometry is an attractive method for PKa determination in very diluted aqueous solution about 10-5 to 10-6M provided that the compound possesses PH dependent light absorption due to the presence of a chromospheres in proximity to the ionization centers. Traditionally 6 to 8 aliquot solutions of samples in identical concentrations but with different PH values are prepared & their absorption spectra are registered at single wavelength. This series of solutions can be generated by either preparing the sample in buffer solutions of known PH or titrating the sample solution e.g. alkalimetry. Then half the absorbance of maximum plotted on graph & interpolated on x-axis that will give value of PH is Pka  & negative Antilog of that value at base 10 give value of ka i.e. Dissociation Constant (Pka=-logka). This exercise is carrying out in below assignment.

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