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ORASCAN™ Germiphene Toluidine Blue O Oral Cancer Diagnostic System Indications And Clinical Uses: As an oral cancer diagnostic and to establish borders for biopsy and surgical site selection. Precautions: Any use of OraScan must be done after a visual inspection of the oral cavity, and before any instrumentation of soft tissues. OraScan should be used after a complete head and neck cancer exam. Two types of lesions will stain: squamous…

vitONE-ALPHA® Leo Alfacalcidol Vitamin D3 Metabolite Action And Clinical Pharmacology: 1a-hydroxyvitamin D3(1a-OHD3) stimulates intestinal calcium and phosphorus absorption, the reabsorption of calcium from bone and possibly the renal reabsorption of calcium. To be effective in disorders resulting from vitamin D deficiency, vitamin D must undergo two metabolic conversions, first in the liver to 25-hydroxyvitamin D and then in the kidney to the physiologically active metabolite, 1,25-dihydroxyvitamin D3 (1,25-(OH)2D3). In patients…

OMNIPAQUE® Nycomed Imaging A.S. Iohexol Nonionic Radiographic Contrast Medium Action And Clinical Pharmacology: Immediately following rapid intravascular injection, iohexol reaches peak plasma concentration and is then rapidly distributed throughout the extracellular fluid compartment. Iohexol does not normally cross the blood-brain barrier to any significant extent. It is excreted unchanged by the kidneys, mainly by glomerular filtration; tubular secretion plays a minor role, and a very small quantity (1 to 2%)…

OMNISCAN® Nycomed Imaging A.S. Gadodiamide Contrast Enhancement Agent for Magnetic Resonance Imaging (MRI) Action And Clinical Pharmacology: Gadodiamide was developed as a contrast agent for diagnostic use in Magnetic Resonance Imaging (MRI). Gadodiamide is a paramagnetic agent with unpaired electron spins which generate a local magnetic field. As water protons move through this local magnetic field, the changes in magnetic field experienced by the protons reorient them with the main…

ONCASPAR® Rhône-Poulenc Rorer Pegaspargase Antineoplasic Caution: Allergic reactions may occur during therapy with pegaspargase, especially in patients with known hypersensitivity to the other forms of L-asparaginase. In view of the unpredictability of adverse reactions, pegaspargase should be given under the supervision of a physician who is qualified by training and experience to administer cancer chemotherapeutic agents. Pegaspargase has an adverse effect on liver function in some patients. Therapy with pegaspargase…

  ONCOTICE™ Organon Teknika Bacillus Calmette-Guerin (BCG), strain TICE Antineoplastic Action And Clinical Pharmacology: The precise mechanism of OncoTICE’s, [Bacillus Calmette-Guerin (BCG), strain TICE], antitumor action is unknown; however, it appears to exert a variety of actions. OncoTICE induces a granulomatous reaction at the local site of administration. Activated histiocytes responding to the BCG are able to kill tumor cells. BCG acts as both a specific and a nonspecific immunopotentiating…

OCTOSTIM® Ferring Desmopressin Acetate Antihemorrhagic Action And Clinical Pharmacology: Desmopressin is a synthetic structural analogue of the natural human hormone, arginine vasopressin. Desmopressin administration causes a transient increase in all components of the Factor VIII complex (Factor VIII coagulant activity, Factor VIII related antigen, and ristocetin cofactor) and in plasminogen activator. Either directly or indirectly, desmopressin causes these factors to be released very rapidly from their endothelial cell storage sites….

OCUCLEAR® Schering Oxymetazoline HCl Topical Decongestant Action And Clinical Pharmacology: Oxymetazoline elicits relief of conjunctival hyperemia by causing vasoconstriction of superficial conjunctival blood vessels. The drug’s action has been demonstrated in acute allergic conjunctivitis and in chemical (chloride) conjunctivitis. Oxymetazoline has a lesser tendency to dilate the pupils than 0.12% phenylephrine. There are no clinical data available on the degree and rate of systemic absorption of oxymetazoline when used topically…

OGEN® Pharmacia & Upjohn Estropipate Estrogen Action And Clinical Pharmacology: Estropipate is a natural estrogenic substance prepared from purified crystalline estrone, solubilized as the sulfate and stabilized with piperazine. It is appreciably soluble in water and has almost no odor or taste. The amount of piperazine in estropipate is not sufficient to exert a pharmacological action. Its addition ensures solubility, stability and uniform potency of the estrone sulfate. Estrogens are…

OMNI-TUSS® Rh´ne-Poulenc Rorer Codeine – Chlorpheniramine – Ephedrine – Phenyltoloxamine (Resin Complex) Antitussive – Decongestant – Expectorant Indications And Clinical Uses: To facilitate expectoration and control cough associated with inflamed mucosa and tenacious sputum which does not respond to products of lesser potency. Contra-Indications: Hypertension, cardiac disease, hyper- thyroidism, prostatic hypertrophy, sensitivity to any of the components, patients receiving MAO inhibitors. Precautions: Before prescribing medication to suppress or modify cough,…