Pharmaceutical Services Division and the Clinical Research Centre Ministry of Health Malaysia
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Chemistry (55)
156 Chemistry (55) Introduction 3) To expose the students to various emerging According to NCF 2005, the new and new areas of chemistry and apprise them updated curriculum is introduced at +2 stage. with their relevance in their future studies There is a need to provide the sufficient and their applications in various spheres conceptual background of chemistry which will of chemical sciences and technology. help the students to appear for different common 4) To equip students to face various changes entrance test at the state level and the national related to health, nutrition, environment, level. This new syllabus will make them population, weather, industries and competent to meet the challenges of academic agriculture. and professional courses like medicine, 5) To develop problem solving skills in engineering, technology, etc, after the +2 stage. students. The syllabus is comparable to the international 6) To expose the students to different level. processes used in industries and their The syllabus contains areas like physical, technological applications. organic, inorganic, industrial, analytical and 7) To apprise students with interface of polymer chemistry. The upgraded syllabus has chemistry with other disciplines of science taken care of new formulations and such as physics, biology, geology, nomenclature of elements, compounds and engineering, etc. IUPAC units of physical quantities. New nomenclature, symbols and formulations, Std. XI (Theory) fundamental concepts, modern techniques are given importance. Unit 1: Some Basic Concepts of Chemistry Objectives : General Introduction: Importance and The broad objectives of teaching scope of chemistry. Historical approach to Chemistry at Higher Secondary stage are to particulate nature of matter, laws of help the learners : chemical combination, Dalton’s atomic 1) To promote understanding of basic facts theory : concept of elements, atoms and and concepts in chemistry while retaining molecules. -
Opioid-Induced Hyperalgesia in Humans Molecular Mechanisms and Clinical Considerations
SPECIAL TOPIC SERIES Opioid-induced Hyperalgesia in Humans Molecular Mechanisms and Clinical Considerations Larry F. Chu, MD, MS (BCHM), MS (Epidemiology),* Martin S. Angst, MD,* and David Clark, MD, PhD*w treatment of acute and cancer-related pain. However, Abstract: Opioid-induced hyperalgesia (OIH) is most broadly recent evidence suggests that opioid medications may also defined as a state of nociceptive sensitization caused by exposure be useful for the treatment of chronic noncancer pain, at to opioids. The state is characterized by a paradoxical response least in the short term.3–14 whereby a patient receiving opioids for the treatment of pain Perhaps because of this new evidence, opioid may actually become more sensitive to certain painful stimuli. medications have been increasingly prescribed by primary The type of pain experienced may or may not be different from care physicians and other patient care providers for the original underlying painful condition. Although the precise chronic painful conditions.15,16 Indeed, opioids are molecular mechanism is not yet understood, it is generally among the most common medications prescribed by thought to result from neuroplastic changes in the peripheral physicians in the United States17 and accounted for 235 and central nervous systems that lead to sensitization of million prescriptions in the year 2004.18 pronociceptive pathways. OIH seems to be a distinct, definable, One of the principal factors that differentiate the use and characteristic phenomenon that may explain loss of opioid of opioids for the treatment of pain concerns the duration efficacy in some cases. Clinicians should suspect expression of of intended use. -
Ong Edmund W 201703 Phd.Pdf (5.844Mb)
INVESTIGATING THE EFFECTS OF PROLONGED MU OPIOID RECEPTOR ACTIVATION UPON OPIOID RECEPTOR HETEROMERIZATION by Edmund Wing Ong A thesis submitted to the Graduate Program in Pharmacology & Toxicology in the Department of Biomedical and Molecular Sciences In conformity with the requirements for the degree of Doctor of Philosophy Queen’s University Kingston, Ontario, Canada March, 2017 Copyright © Edmund Wing Ong, 2017 Abstract Opioid receptors are the sites of action for morphine and most other clinically-used opioid drugs. Abundant evidence now demonstrates that different opioid receptor types can physically associate to form heteromers. Owing to their constituent monomers’ involvement in analgesia, mu/delta opioid receptor (M/DOR) heteromers have been a particular focus of attention. Understandings of the physiological relevance of M/DOR formation remain limited in large part due to the reliance of existing M/DOR findings upon contrived heterologous systems. This thesis investigated the physiological relevance of M/DOR generation following prolonged MOR activation. To address M/DOR in endogenous tissues, suitable model systems and experimental tools were established. This included a viable dorsal root ganglion (DRG) neuron primary culture model, antisera specifically directed against M/DOR, a quantitative immunofluorescence colocalizational analysis method, and a floxed-Stop, FLAG-tagged DOR conditional knock-in mouse model. The development and implementation of such techniques make it possible to conduct experiments addressing the nature of M/DOR heteromers in systems with compelling physiological relevance. Seeking to both reinforce and extend existing findings from heterologous systems, it was first necessary to demonstrate the existence of M/DOR heteromers. Using antibodies directed against M/DOR itself as well as constituent monomers, M/DOR heteromers were identified in endogenous tissues and demonstrated to increase in abundance following prolonged mu opioid receptor (MOR) activation by morphine. -
1 Annex I Annex I Summary of Product Characteristics
ANNEX I ANNEX I SUMMARY OF PRODUCT CHARACTERISTICS 1 1. NAME OF THE MEDICINAL PRODUCT VENVIA 1 mg film-coated tablets. 2. QUALITATIVE AND QUANTITATIVE COMPOSITION Each tablet contains rosiglitazone maleate corresponding to 1 mg rosiglitazone. For excipients see 6.1. 3. PHARMACEUTICAL FORM Film-coated tablets Yellow film-coated tablets marked "SB" on one side and "1" on the other. 4. CLINICAL PARTICULARS 4.1 Therapeutic indications Rosiglitazone is indicated only in oral combination treatment of type 2 diabetes mellitus in patients with insufficient glycaemic control despite maximal tolerated dose of oral monotherapy with either metformin or a sulphonylurea: − in combination with metformin only in obese patients. − in combination with a sulphonylurea only in patients who show intolerance to metformin or for whom metformin is contraindicated. 4.2 Posology and method of administration Treatment should only be initiated by a physician experienced in the treatment of type 2 diabetes. Experience from clinical trials with rosiglitazone is currently limited to 2 years. The long-term benefits of therapy with rosiglitazone have not been demonstrated (see section 5.1). Rosiglitazone therapy is usually initiated at 4 mg/day. Combination with Metformin This dose can be increased to 8 mg/day after 8 weeks if greater glycaemic control is required. Combination with sulphonylurea There is currently no experience with doses of rosiglitazone above 4 mg/day in combination with sulphonylureas. Rosiglitazone may be given once or twice a day. Rosiglitazone may be taken with or without food. Elderly No dose adjustment is required in the elderly. 2 Patients with renal impairment No dose adjustment is required in patients with mild and moderate renal insufficiency. -
(CD-P-PH/PHO) Report Classification/Justifica
COMMITTEE OF EXPERTS ON THE CLASSIFICATION OF MEDICINES AS REGARDS THEIR SUPPLY (CD-P-PH/PHO) Report classification/justification of medicines belonging to the ATC group D07A (Corticosteroids, Plain) Table of Contents Page INTRODUCTION 4 DISCLAIMER 6 GLOSSARY OF TERMS USED IN THIS DOCUMENT 7 ACTIVE SUBSTANCES Methylprednisolone (ATC: D07AA01) 8 Hydrocortisone (ATC: D07AA02) 9 Prednisolone (ATC: D07AA03) 11 Clobetasone (ATC: D07AB01) 13 Hydrocortisone butyrate (ATC: D07AB02) 16 Flumetasone (ATC: D07AB03) 18 Fluocortin (ATC: D07AB04) 21 Fluperolone (ATC: D07AB05) 22 Fluorometholone (ATC: D07AB06) 23 Fluprednidene (ATC: D07AB07) 24 Desonide (ATC: D07AB08) 25 Triamcinolone (ATC: D07AB09) 27 Alclometasone (ATC: D07AB10) 29 Hydrocortisone buteprate (ATC: D07AB11) 31 Dexamethasone (ATC: D07AB19) 32 Clocortolone (ATC: D07AB21) 34 Combinations of Corticosteroids (ATC: D07AB30) 35 Betamethasone (ATC: D07AC01) 36 Fluclorolone (ATC: D07AC02) 39 Desoximetasone (ATC: D07AC03) 40 Fluocinolone Acetonide (ATC: D07AC04) 43 Fluocortolone (ATC: D07AC05) 46 2 Diflucortolone (ATC: D07AC06) 47 Fludroxycortide (ATC: D07AC07) 50 Fluocinonide (ATC: D07AC08) 51 Budesonide (ATC: D07AC09) 54 Diflorasone (ATC: D07AC10) 55 Amcinonide (ATC: D07AC11) 56 Halometasone (ATC: D07AC12) 57 Mometasone (ATC: D07AC13) 58 Methylprednisolone Aceponate (ATC: D07AC14) 62 Beclometasone (ATC: D07AC15) 65 Hydrocortisone Aceponate (ATC: D07AC16) 68 Fluticasone (ATC: D07AC17) 69 Prednicarbate (ATC: D07AC18) 73 Difluprednate (ATC: D07AC19) 76 Ulobetasol (ATC: D07AC21) 77 Clobetasol (ATC: D07AD01) 78 Halcinonide (ATC: D07AD02) 81 LIST OF AUTHORS 82 3 INTRODUCTION The availability of medicines with or without a medical prescription has implications on patient safety, accessibility of medicines to patients and responsible management of healthcare expenditure. The decision on prescription status and related supply conditions is a core competency of national health authorities. -
Comparison of Efficacy of Combination of 2% Ketoconazole
Open Access Original Article Comparison of Topical Treatments in Pityriasis Versicolor Pak Armed Forces Med J 2018; 68 (6): 1725-30 COMPARISON OF EFFICACY OF COMBINATION OF 2% KETOCONAZOLE SOLUTION WASH AND TOPICAL 1% CLOTRIMAZOLE WITH TOPICAL 1% CLOTRIMAZOLE ALONE IN CASES OF PITYRIASIS VERSICOLOR Ayesha Anwar, Naeem Raza, Najia Ahmed, Hyder Ali Awan* Pak Emirates Military Hospital/National University of Medical Sciences (NUMS) Rawalpindi Pakistan, *King Abdul Aziz Naval Base, Jubail, Saudia Arabia ABSTRACT Objective: Comparison of efficacy of combination comprising 2% ketoconazole solution wash plus topical 1% clotrimazole versus topical 1% clotrimazole alone in management of patients with Pityriasis versicolor. Study Design: Randomized controlled trial. Place and Duration of Study: Dermatology department, Pak Emirates Military Hospital Rawalpindi, from Oct 2016 to Apr 2017. Material and Methods: Sixty patients of Pityriasis versicolor, both male and female were included in study. Diagnosis of Pityriasis versicolor was made clinically and confirmed microscopically by examining skin scrapings for fungal hyphae. Patients with concomitant systemic illnesses or those who had received anti-fungal in last three months were excluded from study. Random number tables were used to allocate patients to the two treatment groups. Group A received 2% ketoconazole shampoo twice per week for four weeks plus topical 1% clotrimazole twice daily application for 2 weeks. Group B received only topical therapy with 1% clotrimazole cream applied twice daily for 2 weeks. Assessment of treatment efficacy was done by clinical examination of patient and microscopy of skin scrapping for fungal hyphaedone at baseline and at end of study (4 weeks of treatment). A negative clinical examination and negative skin scrapping for fungal hyphae was considered effective therapeutic response. -
Antibiotic Resistance in the European Union Associated with Therapeutic Use of Veterinary Medicines
The European Agency for the Evaluation of Medicinal Products Veterinary Medicines Evaluation Unit EMEA/CVMP/342/99-Final Antibiotic Resistance in the European Union Associated with Therapeutic use of Veterinary Medicines Report and Qualitative Risk Assessment by the Committee for Veterinary Medicinal Products 14 July 1999 Public 7 Westferry Circus, Canary Wharf, London, E14 4HB, UK Switchboard: (+44-171) 418 8400 Fax: (+44-171) 418 8447 E_Mail: [email protected] http://www.eudra.org/emea.html ãEMEA 1999 Reproduction and/or distribution of this document is authorised for non commercial purposes only provided the EMEA is acknowledged TABLE OF CONTENTS Page 1. INTRODUCTION 1 1.1 DEFINITION OF ANTIBIOTICS 1 1.1.1 Natural antibiotics 1 1.1.2 Semi-synthetic antibiotics 1 1.1.3 Synthetic antibiotics 1 1.1.4 Mechanisms of Action 1 1.2 BACKGROUND AND HISTORY 3 1.2.1 Recent developments 3 1.2.2 Authorisation of Antibiotics in the EU 4 1.3 ANTIBIOTIC RESISTANCE 6 1.3.1 Microbiological resistance 6 1.3.2 Clinical resistance 6 1.3.3 Resistance distribution in bacterial populations 6 1.4 GENETICS OF RESISTANCE 7 1.4.1 Chromosomal resistance 8 1.4.2 Transferable resistance 8 1.4.2.1 Plasmids 8 1.4.2.2 Transposons 9 1.4.2.3 Integrons and gene cassettes 9 1.4.3 Mechanisms for inter-bacterial transfer of resistance 10 1.5 METHODS OF DETERMINATION OF RESISTANCE 11 1.5.1 Agar/Broth Dilution Methods 11 1.5.2 Interpretative criteria (breakpoints) 11 1.5.3 Agar Diffusion Method 11 1.5.4 Other Tests 12 1.5.5 Molecular techniques 12 1.6 MULTIPLE-DRUG RESISTANCE -
Antifungals, Topical
Therapeutic Class Overview Antifungals, Topical INTRODUCTION The topical antifungals are available in multiple dosage forms and are indicated for a number of fungal infections and related conditions. In general, these agents are Food and Drug Administration (FDA)-approved for the treatment of cutaneous candidiasis, onychomycosis, seborrheic dermatitis, tinea corporis, tinea cruris, tinea pedis, and tinea versicolor (Clinical Pharmacology 2018). The antifungals may be further classified into the following categories based upon their chemical structures: allylamines (naftifine, terbinafine [only available over the counter (OTC)]), azoles (clotrimazole, econazole, efinaconazole, ketoconazole, luliconazole, miconazole, oxiconazole, sertaconazole, sulconazole), benzylamines (butenafine), hydroxypyridones (ciclopirox), oxaborole (tavaborole), polyenes (nystatin), thiocarbamates (tolnaftate [no FDA-approved formulations]), and miscellaneous (undecylenic acid [no FDA-approved formulations]) (Micromedex 2018). The topical antifungals are available as single entity and/or combination products. Two combination products, nystatin/triamcinolone and Lotrisone (clotrimazole/betamethasone), contain an antifungal and a corticosteroid preparation. The corticosteroid helps to decrease inflammation and indirectly hasten healing time. The other combination product, Vusion (miconazole/zinc oxide/white petrolatum), contains an antifungal and zinc oxide. Zinc oxide acts as a skin protectant and mild astringent with weak antiseptic properties and helps to -
Journal of Diabetes and Obesity
Journal of Diabetes and Obesity Research Article Open Access The Different Association between Metformin and Sulfony- lurea Derivatives and the Risk of Cancer May be Confounded by Body Mass Index Catherine E. de Keyser1,2, Loes E. Visser1, Albert Hofman1, Bruno H. Stricker1,2*, Rikje Ruiter1# 1 Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands 2 The Health Care Inspectorate, The Hague, the Netherlands *Corresponding author: Bruno H. Stricker, Department of Epidemiology, Erasmus MC, P.O. Box 2040, 3000CA Rotterdam, the Netherlands, Tel: +31-10-7044958; Fax: +31-10-7044657; E-mail: [email protected] #Submitting author: Rikje Ruiter, Department of Epidemiology, Erasmus MC, P.O. Box 2040, 3000CA Rotterdam, the Nether- lands, Tel: +31-10-7044958; Fax: +31-10-7044657; E-mail: [email protected] Abstract Received date: July 09, 2016 Aim: Several studies in large databases suggest that in comparison to glucose-low- Accepted date: : September 05, 2016 ering sulfonylurea derivatives, metformin is associated with a reduced risk of cancer Publication date: September 12, 2016 in patients with diabetes. As many databases miss relevant confounder data, our objective was to investigate whether the determinants age, body mass index (BMI), alcohol consumption, and renal function were associated with dispensing of either Citation: Stricker, B.H., et al. The Dif- metformin or sulfonylurea derivatives as first drug therapy for type 2 diabetes mel- ferent Association between Metformin and litus while taking into account calendar time. Sulfonylurea Derivatives and the Risk of Methods: We identified 639 incident metformin users and 934 incident sulfonylurea Cancer May be Confounded by Body Mass derivatives users in the Rotterdam Study, a prospective population-based cohort Index. -
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Test for Acetone in Urine 189 AN IMPROVED TEST FOR ACETONE IN URINE. R. E. Lyons and J. T. Brundage, Indiana University. Lieben's test for acetone 1 depends upon the formation of iodoform when potassium iodide, iodine solution, and a few drops of sodium hydroxide solution are added to an acetone containing mixture. The iodoform is recognized by its distinctive odor and, microscopically, by the 1 star, or hexagonal crystals. The test is not specific since both ethyl alcohol and acetic aldehyde also react with these reagents to yield iodo- form. This sometimes leads to erroneous results because of alcohol formed through sugar fermentation in diabetic urine. The difficulty is obviated" by substituting ammonium hydroxide for the caustic alkali as proposed by Gunning'5 in a modification of the Lieben Test. In either test the reaction is much more sensitive if a urine dis- tillate is used. The distillation not only frees the acetone from non- volatile interfering substances, but converts some acetonacetic (di-acetic) 4 acid, if present, into acetone. Protein interferes and, if present, the separation of acetone by distillation or aeration is necessary. M. KohlthofF' states that 100 mg. each of potassium iodide and chlor- amine T, 10-20 drops of 4N ammonium hydroxide and 10 cc. of a solu- tion of one part acetone in 10,000 parts of 2 per cent ethyl alcohol when warmed to 60 °C. gave an iodoform precipitate in two hours. The object of our investigation has been to determine (a) whether this reaction could be applied as a specific test for acetone in urine, (b) what urinary constituents or preservatives interfere, (c) if the necessity of distillation, or aeration, of the urine could be dispensed with, and (d) the conditions for attaining the maximum sensitiveness of the reaction. -
Are Metformin, Statin and Aspirin Use Still Associated with Overall Mortality Among Colorectal Cancer Patients with Diabetes If Adjusted for One Another? Zanders, M
Tilburg University Are metformin, statin and aspirin use still associated with overall mortality among colorectal cancer patients with diabetes if adjusted for one another? Zanders, M. M. J.; van Herk-Sukel, M. P. P.; Vissers, P. A. J.; Herings, R. M. C.; Haak, H. R.; van de Poll-Franse, L. V. Published in: The British Journal of Cancer DOI: 10.1038/bjc.2015.259 Publication date: 2015 Document Version Publisher's PDF, also known as Version of record Link to publication in Tilburg University Research Portal Citation for published version (APA): Zanders, M. M. J., van Herk-Sukel, M. P. P., Vissers, P. A. J., Herings, R. M. C., Haak, H. R., & van de Poll- Franse, L. V. (2015). Are metformin, statin and aspirin use still associated with overall mortality among colorectal cancer patients with diabetes if adjusted for one another? The British Journal of Cancer, 113(3), 403-410. https://doi.org/10.1038/bjc.2015.259 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. • Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal Take down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. -
Steroid Use in Prednisone Allergy Abby Shuck, Pharmd Candidate
Steroid Use in Prednisone Allergy Abby Shuck, PharmD candidate 2015 University of Findlay If a patient has an allergy to prednisone and methylprednisolone, what (if any) other corticosteroid can the patient use to avoid an allergic reaction? Corticosteroids very rarely cause allergic reactions in patients that receive them. Since corticosteroids are typically used to treat severe allergic reactions and anaphylaxis, it seems unlikely that these drugs could actually induce an allergic reaction of their own. However, between 0.5-5% of people have reported any sort of reaction to a corticosteroid that they have received.1 Corticosteroids can cause anything from minor skin irritations to full blown anaphylactic shock. Worsening of allergic symptoms during corticosteroid treatment may not always mean that the patient has failed treatment, although it may appear to be so.2,3 There are essentially four classes of corticosteroids: Class A, hydrocortisone-type, Class B, triamcinolone acetonide type, Class C, betamethasone type, and Class D, hydrocortisone-17-butyrate and clobetasone-17-butyrate type. Major* corticosteroids in Class A include cortisone, hydrocortisone, methylprednisolone, prednisolone, and prednisone. Major* corticosteroids in Class B include budesonide, fluocinolone, and triamcinolone. Major* corticosteroids in Class C include beclomethasone and dexamethasone. Finally, major* corticosteroids in Class D include betamethasone, fluticasone, and mometasone.4,5 Class D was later subdivided into Class D1 and D2 depending on the presence or 5,6 absence of a C16 methyl substitution and/or halogenation on C9 of the steroid B-ring. It is often hard to determine what exactly a patient is allergic to if they experience a reaction to a corticosteroid.