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Glucotrol (Glipizide)

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Glucotrol is a medication consists in a class of drugs called sulfonylureas. Glucotrol is used to treat type 2 diabetes. Glucotrol may be used along with diet, exercise and insulin therapy. Glucotrol works by controlling blood sugar levels in your organism.

Other names for this medication:

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Also known as:  Glipizide.


Glucotrol is a medication consists in a class of drugs called sulfonylureas.

Glucotrol is used to treat type 2 diabetes. Glucotrol may be used along with diet, exercise and insulin therapy.

Glucotrol is also known as Glipizide, Glytop SR.

Glucotrol works by controlling blood sugar levels in your organism.

Generic name of Glucotrol is Glipizide.

Brand names of Glucotrol are Glucotrol, Glucotrol XL.


Take Glucotrol orally.

Do not chew, divide or crush the tablet. Swallow it whole.

Glucotrol is usually taken before breakfast if it is taken once a day, or before meals if it is taken several times each day.

Take each dose of Glucotrol with a full glass of water.

The dosage and the kind of tablets depend on the disease and its prescribed treatment.

While taking Glucotrol follow diet, medication and exercise routines closely.

If you want to achieve most effective results do not stop taking Glucotrol suddenly.


If you overdose Glucotrol and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Glucotrol overdosage: hunger, nausea, anxiety, cold sweats, weakness, drowsiness, unconsciousness, coma.


Store at room temperature below 30 degrees C (86 degrees F) away from moisture and heat. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Glucotrol are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Glucotrol if you are allergic to Glucotrol components.

Be careful with Glucotrol if you're pregnant or you plan to have a baby, or you are a nursing mother.

Be careful with Glucotrol if you have kidney disease, liver disease, thyroid disease, type 1 diabetes, serious infection, illness, or injury.

Be careful with Glucotrol if you take aspirin or another salicylate such as magnesium/choline salicylate (Trilisate), salsalate (Disalcid, others), choline salicylate (Arthropan), magnesium salicylate (Magan) or bismuth subsalicylate (Pepto-Bismol); nonsteroidal anti-inflammatory drug (NSAID) such as ibuprofen (Motrin, Advil, Nuprin, others), ketoprofen (Orudis, Orudis KT, Oruvail), diclofenac (Voltaren, Cataflam), etodolac (Lodine), indomethacin (Indocin), nabumetone (Relafen), oxaprozin (Daypro), naproxen (Anaprox, Naprosyn, Aleve) and others; sulfa-based drug such as sulfamethoxazole-trimethoprim (Bactrim, Septra), sulfisoxazole (Gantrisin), or sulfasalazine (Azulfidine); monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate) or phenelzine (Nardil); beta-blocker such as propranolol (Inderal), atenolol (Tenormin), acebutolol (Sectral), metoprolol (Lopressor) and others; diuretic (water pill) such as hydrochlorothiazide (HCTZ, Hydrodiuril), chlorothiazide (Diuril) and others; steroid medicine such as prednisone (Deltasone, Orasone, others), methylprednisolone (Medrol, others), prednisolone (Prelone, Pediapred, others) and others; phenothiazine such as chlorpromazine (Thorazine), fluphenazine (Prolixin, Permitil), prochlorperazine (Compazine), promethazine (Phenergan) and others; phenytoin (Dilantin); isoniazid (Nydrazid); prescription, over-the-counter, or herbal cough, cold, allergy or weight loss medications.

Avoid alcohol.

Do not stop taking Glucotrol suddenly.

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PubMed, OVID, and Google Scholar were searched to identify related articles through May 2016 using the following keywords: "glucose metabolism," "kidney," "diabetes," "hypoglycemia," "ESRD," and "insulin" in various combinations for this review.

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To describe the use of oral antidiabetic drugs for management of type 2 diabetes in the U.S. from 1990 through 2001.

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Sustained release of drug was observed in all formulation batches with % drug release ranging from 87.50% to 100.67%, no significant effect on the drug release was observed after varying chitosan to xanthan gum ratio. Encapsulation efficiency was found to be in the range of 79.48 ± 1.10-94.48 ± 1.52. In vitro bioadhesion studies showed that beads had satisfactory bioadhesive strength ranging from 67.11% ± 1.73% to 93.12% ± 1.56%. Buoyancy studies revealed that beads possess comparable floating capacity in the gastric fluids. Swelling kinetics was carried in pH 1.2 and 7.4 buffers. Significant difference (P < 0.05) in swelling kinetics was observed. Drug to polymer interaction was analyzed by Fourier transform infrared spectroscopy and differential scanning calorimetry studies. Scanning electron microscopy studies revealed that formed beads were discrete with rough and wrinkled surfaces.

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The coadministration of high-dose lovastatin and danazol was probably associated with rhabdomyolysis and pancreatitis in this patient with multiple underlying comorbidities for which concomitant medications were being administered.

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DTPA dianhydride was conjugated with GLP in the presence of sodium amide, yielding 60%. Biodistribution and planar images were obtained at 30-120 min after injection of (99m)Tc-DTPA-GLP (1 mg/rat, 0.74 and 11.1 MBq per rat, respectively) in normal female Fischer 344 rats. The control group was given (99m)Tc-DTPA. To demonstrate pancreas beta cell uptake of (99m)Tc-DTPA-GLP via a receptor-mediated process, a group of rats was pretreated with streptozotocin (a beta cell toxin, 55 mg/kg, i.v.) and the images were acquired at immediately-65 min on day 5 post-treatment. The effect on the glucose levels after a single administration (ip) of DTPA-GLP was compared to glipizide (GLP) for up to 6 h.

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Mean daily doses and blood glucose measurements (fasting blood glucose, random blood glucose, hemoglobin A1C) were stratified in 3-month periods from the time the drug therapy was started or the patient first presented to the clinic for a total of 18 months. Long-term glycemic control was defined as fasting blood glucose less than 8.33 mmol/L (150 mg/dL).

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Management of diabetic elderly patients with chronic kidney disease involves specific characteristics that affect both metabolic control and therapeutic measures. Blood glucose control targets should be individualised based on life expectancy, renal function, hypoglycaemia risk and comorbidity. Metformin may be used alone or in combination with other oral anti-diabetic drugs but must be discontinued when the glomerular filtration rate is less than 30 mL/min. Gliclazide and glipizide are sulfonylureas that do not require dose adjustment in chronic kidney disease but they should be avoided in cases of advanced kidney disease because of the risk of hypoglycaemia. Repaglinide is the only meglitinide recommended in these patients. Alpha-glucosidase inhibitors must be avoided in patients with a glomerular filtration rate of less than 25 mL/min or those undergoing dialysis. Pioglitazone does not require dose adjustment but it has potentially adverse effects in this population. Dipeptidyl peptidase-4 inhibitors are effective and well tolerated. Of the latter, linagliptin does not require dose adjustment. Glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter 2 inhibitors are not recommended in elderly patients with advanced kidney disease. Lastly, insulin therapy, particularly using the new insulin analogues, allows adequate management of hyperglycaemia in these patients, with different therapeutic regimens that must be individualised in order to avoid hypoglycaemia.

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Specific, high affinity sulfonylurea receptors were characterized on membranes of an insulin-secreting hamster beta cell line (HIT cells). Saturable binding of the sulfonylurea, [3H]glyburide, was linear up to 0.8 mg/ml membrane protein. Scatchard analysis of equilibrium binding data at room temperature indicated the presence of a single class of saturable, high affinity binding sites with a Kd of 0.76 +/- 0.04 nM and a Bmax of 1.09 +/- 0.13 pmol/mg protein, n = 9. The insulin secretory potency of glyburide, glipizide, tolbutamide, tolazamide, and carboxytolbutamide was compared to the ability of these ligands to displace [3H]glyburide from the sulfonylurea receptor. Tolbutamide, tolazamide, and glipizide demonstrated reasonable agreement with ED50 values of 15 microM, 3 microM, and 30 nM and Ki values of 25.3 microM, 7.2 microM, and 45 nM, respectively. The inactive tolbutamide metabolite, carboxytolbutamide, at the highest concentration tested, only partially displaced [3H]glyburide from the receptor and was a very poor secretagogue. At 37 degrees C the affinity of [3H]glyburide binding, Kd = 2.0 nM, was similar to the ED50 of 5.5 nM when the free glyburide concentrations were corrected for binding of the drug to albumin. These studies suggest that sulfonylureas initiate their biologic effect through a high affinity, specific interaction with sulfonylurea receptors on the beta cell membrane.

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Thirty-five patients with non-insulin dependent diabetes (NIDDM) were treated and followed up for 24 weeks. Six of whom were managed with diet and/or metformin, nine received glibenclamide, twelve had a combination of metformin and glibenclamide, while the remaining eight patients received metformin and/or some other type of sulphonylurea (chlorpropamide or glipizide). By an analysis of variance, the different drug regimes showed equivalent glycaemic controlling effects, but the influence on dyslipidaemia was variable within the treatment groups, while these changes were insignificant between the groups. It is thus concluded that commonly used oral hypoglycaemic agents do not adversely affect plasma lipid levels in Nigerian patients with NIDDM.

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Nateglinide is a short-acting, pancreatic, beta-cell-selective, K(ATP) potassium channel blocker that improves overall glycemic control in type 2 diabetes. Although nateglinide's mechanism of action is related to that of sulphonyl-ureas and repaglinide, important differences do exist. Nateglinide binds rapidly to the sulfonylurea SUR1 receptor with a relatively low affinity, and it dissociates from it extremely rapidly in a manner of seconds. This rapid association and dissociation gives nateglinide a unique "fast on-fast off" effect. Thus, nateglinide has a rapid onset and short duration of action stimulating insulin secretion in vivo and providing good control of postprandial hyperglycemia when taken immediately prior to meals. The rapid action of nateglinide on the beta cells stimulates and restores the normal physiological first and early phase of insulin secretion, consequently reducing postprandial hyperglycemia. This hypoglycemic effect of nateglinide leads to improved glycemic control, while the short duration avoids delayed hyperinsulinemia and hypoglycemia after meals. Nateglinide is not a sulfonylurea, but it shares the mechanism of action of commonly used oral hypoglycemic agents such as glibenclamide and glipizide. Like the recently introduced, short-acting agent, repaglinide, it does not incorporate a sulfonylurea moiety. However, nateglinide's effects on insulin secretion and glycemic control differ significantly from the sulfonylureas and repaglinide in that it preferentially stimulates acute phase insulin, better controls postprandial glucose excursions and spikes, and causes less hyperinsulinemia and hypoglycemia. Compounds with such a profile should not only achieve improved overall glucose control, but also reduce the risk of vascular complications which is the most important feature of nateglinide. Clinical studies with nateglinide have confirmed that it acts rapidly and both restores insulin release and attenuates the postprandial glucose spike. Nateglinide is both effective and well tolerated in the treatment of type 2 diabetes. The reported overall profile of adverse effects appears to be superior to that of other K(ATP) potassium channel blockers, the glucose modulator metformin and PPARgamma agonists such as troglitazone. Clinical comparisons of these agents have shown nateglinide to be more effective in attenuating postprandial glucose than any other oral hypoglycemic agent, and that treatment with both nateglinide and metformin provides additive effects that afford improved control of plasma glucose levels. The administration regimen for nateglinide, immediately prior to meals, also facilitates patient compliance. (c) 2001 Prous Science. All rights reserved.

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The interaction between sulfonylureas and membrane proteins from a hamster insulin-secreting tumor (HIT) cell line has been examined. Four HIT cell membrane proteins were covalently linked to an 125I-labeled glyburide analog by photolabeling. Three photolabeled polypeptides of M(r) 65,000, 55,000, and 30,000 were identified as low affinity "glyburide receptors." These proteins appear to be of similar abundance, when quantitated by photolabeling, with half-maximal displacements (Ki values) by glyburide, glipizide, and tolbutamide in the low micromolar range. The glyburide analog is more tightly bound to a M(r) 140,000 protein with dissociation constants, determined by filtration binding assays and by photolabeling, of 7 and 9.0 nM, respectively. The labeled analog was displaced from the M(r) 140,000 protein by glyburide, glipizide and tolbutamide with Ki values of 3.3 nM, 103 nM, and 25 microM, respectively, as estimated by photolabeling. Optimal conditions established for visualizing the M(r) 140,000 band on autoradiograms prepared after UV cross-linking and sodium dodecyl sulfate-polyacrylamide gel electrophoresis include irradiating the radioligand-receptor complex at 1.5 J/cm2 at 312 nm, followed by heating samples in pH 9.0 sodium dodecyl sulfate-gel sample buffer. With receptor sites partially occupied (5 nM radioligand), approximately 0.75% of the protein is photocoupled to the radioligand and visualized by autoradiography. Our results confirm that the M(r) 140,000 polypeptide contains the beta-cell high affinity glyburide binding site and show that the second generation sulfonylurea antidiabetic drugs have a selective increase in affinity for this receptor.

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Acetylcholine(ACh) is a neurotransmitter and a potent vasodilator in many vascular beds. ACh hyperpolarizes the smooth muscle cells(SMCs) of arteries including the cochlear spiral modiolar artery(SMA) via an endothelium-dependent mechanism, but the biochemical and biophysical basis of the hyperpolarization and vasodilation remain unclear and controversial.

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To evaluate the efficacy and safety of pharmacological interventions for lowering glucose levels in patients who have undergone kidney transplantation and have diabetes.

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Glipizide is a relatively new sulphonylurea- antidiabetic agent. 24 maturity-onset diabetics were studied to determine the dosage required to produce adequate control and the safety and tolerance of the drug. It was concluded that glipizide is a safe and potent anti-diabetic agent and a suitable alternative in those patients poorly-controlled on standard oral hypoglycaemic drugs.

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The oral antidiabetics chlorpropamide, glibenclamide, glipizide, gliquiudone, glymidine, tolazamide and tolbutamide, and the diuretics bemetizide, bendroflumethiazide, benzylhydrochlorothiazide, bumetanide, butizide, chlortalidone, furosemide, hydrochlorothiazide, hydroflumethiazide, indapamide, piretanide, polythiazide, trichlormethiazide, and xipamide were investigated for potential phototoxicity in vitro using a cell culture model, and in vivo in hairless mice. After exposure to broad band UVA, the majority of the substances tested in vitro yielded a phototoxic action leading to loss of culture forming ability. In vivo, all tested substances induced edema or ulceration, and lead to a significantly increase in skin fold thickness of the mouse skin. In all, a number of substances not described to induce clinical photosensitivity nor phototoxicity in vitro or in vivo were detected in our testing. When determining potential photosensitizers, it seems important to utilize different test methods, as not all substances will exhibit action in a given assay.

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The hypoglycemic effect of antidiabetic drugs varies with change in the level of endogenous substances in the body in diseased states largely due to alteration in drug-serum albumin binding affinity. The aim of the present study was to understand and quantify this effect.

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Eighty percent of Americans afflicted with diabetes mellitus have Type II or non-insulin dependent diabetes mellitus (NIDDM). Impaired or defective insulin secretion and insulin resistance are universal pathophysiologic findings. Management involves attention to diet, exercise, and commonly the use of insulin and/or oral sulfonylureas. Currently there are six marketed first and second generation agents available for use in the United States. Although the newer agents are more potent, they all share a similar mechanism of action. These agents can only be effective if the patient has retained beta cell secretory function. Pharmacokinetic and pharmacodynamic differences may make the newer agents, glyburide and glipizide, preferred in the management of Type II diabetes mellitus. The combined use of insulin and oral sulfonylureas may be useful for the patient exhibiting persistent fasting hyperglycemia despite maximal oral drug therapy. The precise role for combination therapy and optimal patient characteristics awaits further study.

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The oral antidiabetics glibenclamide and glipizide, and the diuretics bendroflumethiazide and furosemide, all sulphonamide derived drugs, were investigated in vitro for phototoxic properties. Irradiation with broad-band UV induced phototoxic inhibition of colony forming ability in cell cultures. During irradiation, the substances lost one absorption maximum in the UVA region, demonstrated by UV spectroscopy. These findings correlate well with the UV applied, the action spectrum being in the UVA region. Photoproducts detected during and after irradiation showed a decomposition of the substances due to ionization and fragmentation. Incubation of these preirradiated drugs with the cell cultures revealed no phototoxic effects.

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To observe the effect of Sanhuang Jiangtang recipe (SHJT) on insulin peripheral resistance in type II diabetics.

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In subjects with type 2 diabetes mellitus, glycemic control deteroriates while patients use sulfonylurea drugs during the course of the disease. Adjunctive therapy with insulin at this stage requires a lesser daily insulin dose in comparison with insulin monotherapy while restoring desirable glycemic control. However, data regarding direct comparison between various sulfonylureas in this regard are lacking.

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To assess the safety of sitagliptin in patients with type 2 diabetes and moderate [creatinine clearance (CrCl) > or =30 to <50 ml/min] or severe renal insufficiency [CrCl <30 ml/min including patients with end-stage renal disease (ESRD) on dialysis]. The efficacy of sitagliptin in this patient population was also assessed.

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The objective of this study was to attempt to deliver glipizide from spheres and compacts containing the natural polymer Carrageenan (Gelcarin, GP 812) and prepared by extruder/marumerizer technique. A second objective was to evaluate the mucoadhesive strength of the bioadhesive spheres onto the mucus membrane of rabbit. The effects of polymer, drug level, and type of spheronizing material were evaluated. All sphere formulations were compacted into tablets using a rotary Manesty B-3B machine equipped with 12/32 flat face tooling. Results show drug release from spheres and compacts decreased as the level of Carrageenan was increased. However as the level of drug was increased drug release also increased. Spheres containing Avicel PH-101 gave higher drug release than spheres of the same composition but prepared with Avicel RC-581. In general, the drug release from tablets was higher than its corresponding spheres and drug release from spheres and tablets containing Carrageenan was higher than control spheres and tablets of the same composition but without Carrageenan. Tablet formulations compacted from spheres containing Avicel RC-581 gave higher release rate constants than tablet formulations of the same composition but prepared with Avicel PH-101. The bioadhesion study showed that mucoadhesion strength between spheres and mucus membrane of the rabbit depends on the levels of polymer, drug, and type of spheronizing material. Developed bioadhesive spheres and tablets increase the solubility of glipizide which may increase its bioavailability and also increased the adherence of the bioadhesive systems to the mucous membrane so that once daily dose can be administered.

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Glipizide is one of the most commonly prescribed drugs for treatment of type 2 diabetes. Oral therapy with glipizide comprises problems of bioavailability fluctuations and may be associated with severe hypoglycaemia and gastric disturbances. As a potential for convenient, safe and effective antidiabetic therapy, the rationale of this study was to develop a transdermal delivery system for glipizide. For this purpose, inclusion complexes of the drug in beta-cyclodextrin (beta-CyD), dimethyl-beta-cyclodextrin (DM-beta-CyD), hydroxypropyl-beta-cyclodextrin (HP-beta-CyD), and hydroxypropyl-gamma-cyclodextrin (HP-gamma-CyD) were prepared. Several percutaneous formulations of the drug and the prepared complexes in different bases (o/w emulsion, polyethylene glycol, carboxymethyl cellulose and Carbopol) were developed. Release studies revealed an improved release of the drug from formulations containing glipizide-CyD complexes. Ex vivo permeation studies through full thickness rat abdominal skin were conducted, whereby the effect of several conventional penetration enhancers (propylene glycol [PG], oleic acid, urea, dimethyl sulfoxide, menthol, limonene and cineole) was monitored. Highest flux was obtained from ointments prepared with Carbopol gel base containing a combination of PG and oleic acid as well as ointments prepared in the same base utilizing glipizide-DM-beta-CyD complex and urea. In vivo studies on diabetic male Wistar rats revealed a marked therapeutic efficacy sustained for about 48 hours. In this respect, two formulations showed best biological performance. In the first formulation, the drug was incorporated in Carbopol gel base in the presence of 20% PG together with 15% oleic acid. The second was prepared by incorporating glipizide-DM-beta-CyD complex in Carbopol gel base in presence of 15% urea. The glucose tolerance test showed suppression of hyperglycaemia induced in glucose-loaded rats. The above-mentioned results might shed a strong beam of light on the feasibility of using glipizide in a transdermal delivery system for treatment of type 2 diabetes with the aim of improving both patient compliance and pathophysiology of the disease.

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Many patients with type 2 diabetes mellitus (DM) with inadequate long-term blood glucose control with sulfonylurea or metformin monotherapy require additional treatment. The synergistic effects of combining glipizide with metformin on glucose control may be realized by treating the primary effects of type 2 DM, impaired insulin secretion, and insulin resistance.

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glucotrol reviews 2016-06-08

In a previously-published study, adding sitagliptin or glipizide to ongoing metformin therapy provided similar HbA(1c) improvement (both groups, -0.7%) after 52 weeks in patients with type 2 diabetes (T2DM). Significantly fewer patients experienced symptomatic hypoglycemia with sitagliptin (5% of 588 patients) compared to glipizide (32% of 584 patients). Glycemic efficacy and patient characteristics may influence hypoglycemic events. The present analysis evaluated the risk of hypoglycemia with sitagliptin or glipizide after adjusting for the most recently buy glucotrol measured HbA(1c) value.

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The purpose of this research was to established new polysaccharide for the colon targeted drug delivery system, its formulation and buy glucotrol in vitro and in vivo evaluation.

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(1) The total effective rates of improving insulin peripheral resistance and reducing blood sugar in SHJT group were 79.2% and 80.1%, which was equivalent to levels in the control group, but SHJT recipe was more effective in relieving symptoms of Qi deficiency and signs of blood stasis. (2) In SHJT group, the insulin buy glucotrol peripheral sensitivity and insulin sensitivity index were significantly increased (P < 0.05 and P < 0.01), meanwhile the fasting blood sugar and blood sugar area were reduced (P < 0.05), but the change of insulin release to glucose was blunted. (3) The lowering of blood sugar in SHJT group was significantly negative correlated with the changing of degree of insulin peripheral sensitivity and index of insulin sensitivity (P < 0.01 and P < 0.05), but not with that of insulin area.

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1. The aim of the present study was to characterize the pharmacological properties of the adenosine 5'-triphosphate(ATP)-sensitive K+ channel (KATP-channel) on the somata of spiny neurones in rat caudate nucleus and to compare them with those of beta-cells. For that purpose we tested the effects of several KATP-channel-inhibiting and -activating drugs on the opening activity of the KATP-channel in caudate nucleus by use of the patch-clamp technique. In addition, the modulation of drug responses by cytosolic nucleotides was examined. 2. When KATP-channels in caudate nucleus were activated in cell-attached patches by inhibition of mitochondrial energy production, meglitinide (a benzoic acid derivative), Hoe36320 (a sulphonylurea of low lipophilicity) and glipizide reduced KATP-channel activity half-maximally at 0.4 microM, 0.4 microM and about 0.5 nM, respectively. 3. In inside-out patches (presence of 0.7 mM free Mg2 buy glucotrol + at the cytoplasmic membrane side), tolbutamide (0.1 mM) caused only partial inhibition of KATP-channels in the absence of cytosolic nucleotides but complete inhibition in the simultaneous presence of the channel-activating nucleotide guanosine 5'-diphosphate (GDP; 1 mM) and the channel-inhibiting nucleotide adenylyl-imidodiphosphate (AMP-PNP; 0.2 mM). 4. Diazoxide (0.3 mM) strongly increased channel activity in the presence of ATP (0.1 mM) or GDP (0.03 mM), but was ineffective in the presence of AMP-PNP (0.1 mM). In the absence of cytosolic nucleotides diazoxide even decreased channel activity. 5. In the presence of 0.1 mM ATP, diazoxide activated KATP-channels half-maximally at 38 microM. 6. When KATP-channel activity was inhibited by 0.1 mM ATP, (-)-pinacidil (0.5 mM) elicited a slight activation of KATP-channels in caudate nucleus, whereas (+)-pinacidil (0.5 mM) and lemakalim (0.3 mM) were ineffective. 7. Since our data indicate similar control by drugs and nucleotides of KATP-channels in the somata of spiny neurones and pancreatic beta-cells, we conclude that the high affinity sulphonylurea receptors of these tissues are probably closely related.

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Cytochrome P450 (CYP) 2C9 is the principal enzyme responsible for the metabolism of numerous clinically important drugs. Two polymorphic alleles CYP2C9*2 and CYP2C9*3 have been documented which affect the metabolism and clinical toxicity of drugs such as phenytoin, warfarin, glipizide, and tolbutamide. The present study reports the first example of a null polymorphism in CYP2C9. This mutation dramatically affects the half-life and clinical toxicity of phenytoin. The study subject was a female African-American presented to the emergency department with phenytoin toxicity evidenced by mental confusion, slurred speech, memory loss and the inability to stand. She exhibited extremely poor clearance of phenytoin with an elimination half-life of approximately 13 days. Genotyping studies demonstrated that the patient did not possess any known variant CYP2C9 alleles. Phenytoin is metabolized to a minor extent by the polymorphic CYP2C19, but this individual did not possess any variant CYP2C19 alleles. Sequencing studies revealed that the individual was homozygous for a new CYP2C9 allele (CYP2C9*6) with the deletion of an adenine at base pair 818 of the cDNA. The clearance of phenytoin in this individual is estimated to be approximately 17% of that observed in normal patients. The frequency of this allele was 0.6% (95% confidence limits of 0.1 to 3.5%) in 79 African-Americans and 0% (95% confidence limits of 0 buy glucotrol to 1.1%) in 172 Caucasians. The study also demonstrates the severe clinical consequences to patients with a null mutation in CYP2C9 after treatment with normal doses of phenytoin.

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An LC-MS-MS method has been developed for the simultaneous detection of 10 anti-diabetics in equine plasma and urine. This method can be used to detect the abuse of anti-diabetic drugs buy glucotrol in racehorses.

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We identified new users of oral hypoglycaemic medication monotherapy between 2004 and 2009 who received care for at least 1 year from the Veterans Health Administration.Patients were followed until initial monotherapy discontinuation,addition of another diabetes pharmacotherapy, death or end of follow- buy glucotrol up. Mortality HRs were estimated using Cox regression adjusted for potential confounding factors.

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We rejected the hypothesis that all human MODY-associated mutations in HNF1A / HNF4A buy glucotrol induce changes in the pharmacokinetics of sulfonylureas in humans analogically to the Hnf1a(-/-) mouse model.

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Fasting plasma glucose (FPG), glycated hemoglobin, and measures of cognitive function in four buy glucotrol general categories: 1) learning and memory, 2) ability to sustain attention, 3) complex perceptual-motor function, and 4) simple perceptual-motor function. All were evaluated in subjects with NIDDM at baseline (T1), after 1-month washout (T2), and after 2 (T3) and 4 months (T4) of optimal glycemic control or maximal dose. Controls were evaluated at the same intervals.

glucotrol drug classifications 2015-06-22

In vitro enzymatic starch digestion with aqueous extracts from plants at concentrations of 1, 5, 10, 12.5, 25, 50 and 100 mg/ml was assayed using α-amylase and α-amyloglucosidase. Acarbose was used as control and glucose liberation was determined by glucose oxidase method. Oral starch tolerance test (OSTT) and oral glucose tolerance test (OGTT) were determined for the plant extracts at concentrations 125, 250 and 500 mg/kg b.wt. on Sprague-Dawley rats. Blood glucose levels in rats treated with plant extracts and buy glucotrol drugs (acarbose or metformin and glipizide) were measured at -30, 0, 45, 90 and 135 min.

glucotrol drug class 2017-07-04

Thirty-three subjects fulfilled the study. Markers of insulin sensitivity - i.e. fasting insulin and HOMA(IR)-index - improved in the glipizide group (P = 0.04 and 0.02 respectively) as well as HDL cholesterol (P = 0.05) compared with placebo group after 6 months. buy glucotrol At 18 months, both fasting and 2 h glucose concentrations were significantly lower in the glipizide group compared with the placebo group (P = 0.04 and 0.03 respectively). The prevalence of type 2 diabetes was 29.4% in the placebo group and 5.9% in the glipizide group at 18 months. This equals an 80% relative risk reduction in the active treatment group.

glucotrol user reviews 2016-02-24

Strong amplification of insulin secretion by α-ketoisocaproate or glucose combined with α-ketoisovalerate (supplying mitochondrial oxaloacetate) was abolished within 14min after transition to medium devoid of fuels. After transition from medium containing glucose plus α-ketoisovalerate to medium containing solely glucose or α-ketoisovalerate, amplification (strong or weak, respectively) occurred until the end of the experiment. Glucose (alone or combined with α-ketoisovalerate) increased the total acetyl-CoA content as intensely as buy glucotrol α-ketoisocaproate. Low concentrations of α-ketoisovalerate or α-ketoisocaproate were sufficient for saturation of acetyl-CoA increase, but caused no or only weak amplification, respectively. No acetyl-CoA increases occurred in the absence of glipizide.

glucotrol generic names 2016-07-11

Patients were studied on four separate occasions separated by at least 3 days. The divided- Flagyl 100 Mg dose regimens were designed to simulate delayed absorption of the drug over 2, 4, and 8 hours. Blood samples for measuring glipizide, glucose, and C-peptide were obtained over 24 hours.

glucotrol maximum dose 2015-06-06

In the isolated perfused rat pancreas various Cipro With Alcohol sulfonylurea drugs were tested with a basal glucose level of 1 mg/ml in the perfusion buffer and were found to cause a biphasic insulin response. NOVOCS 476, a new and potent sulfonylurea, and glibenclamide qualitatively differed from tolbutamide, glibornuride, glipizide, and glisoxepide, which were all alike in terms of the relationship between first and second phases of insulin release.

glucotrol tablet 2017-09-30

The antidiabetic activity of Momordica charantia (L.), Cucurbitaceae, a widely-used treatment for Buspar 300 Mg diabetes in a number of traditional medicine systems, was investigated in vitro. Antidiabetic activity has been reported for certain saponins isolated from M. charantia. In this study insulin secretion was measured in MIN6 β-cells incubated with an ethanol extract, saponin-rich fraction, and five purified saponins and cucurbitane triterpenoids from M. charantia, 3β,7β,25-trihydroxycucurbita-5,23(E)-dien-19-al (1), momordicine I (2), momordicine II (3), 3-hydroxycucurbita-5,24-dien-19-al-7,23-di-O-β-glucopyranoside (4), and kuguaglycoside G (5). Treatments were compared to incubation with high glucose (27 mM) and the insulin secretagogue, glipizide (50 μM). At 125 μg/ml, an LC-ToF-MS characterized saponin-rich fraction stimulated insulin secretion significantly more than the DMSO vehicle, p=0.02. At concentrations 10 and 25 μg/ml, compounds 3 and 5 also significantly stimulated insulin secretion as compared to the vehicle, p≤0.007, and p=0.002, respectively. This is the first report of a saponin-rich fraction, and isolated compounds from M. charantia, stimulating insulin secretion in an in vitro, static incubation assay.

glucotrol generic 2017-02-26

Our findings suggest chlorpropamide, glipizide, glyburide, insulin, and rosiglitazone increased severity- Lamictal 50mg Tablet adjusted mortality in veterans with type 2 diabetes. A decision aid that could optimize selection of hypoglycemic medications based on patients' comorbidities might increase patients' survival.

glucotrol name brand 2017-05-27

Data were extracted from 27 studies meeting all inclusion criteria. IC(50) values Coreg Generic Name for SUR1 were below those for SUR2A/SUR2B for all insulin secretagogues and addition of C(SS) values identified three distinct patterns. The C(SS) for gliclazide, glipizide, mitiglinide and nateglinide lie between IC(50) values for SUR1 and SUR2A/SUR2B, suggesting that these drugs bind selectively to pancreatic receptors. The C(SS) for glimepiride and glyburide (glibenclamide) was above IC(50) values for all three isoforms, suggesting these drugs are non-selective. Tolbutamide and repaglinide may have partial pancreatic receptor selectivity because IC(50) values for SUR1 and SUR2A/SUR2B overlapped somewhat, with the C(SS) in the midst of these values.

glucotrol medication 2015-01-31

55 patients with non-insulin-dependent diabetes mellitus were treated with the new oral drug Minidiab. In 58.2% of the patients the carbohydrate metabolism was influenced. No relation between the immunoreactive insulin increase and the effect of the treatment was found Zofran Toddler Dosage . An extrapancreatic action of the drug is suggested as its hypoglycemic activity.

glucotrol diabetes medicine 2015-09-06

In the primary analysis, HbA1c mean changes from a baseline of 7.5% were -0.14% with alogliptin (n = 222) and -0.09% with glipizide (n = 219) at the end of the study, demonstrating non-inferiority of alogliptin to glipizide [least squares (LS) mean difference = -0.05%; one-sided Mobic The Drug 97.5% confidence interval (CI): -∞, 0.13%]. More clinically relevant HbA1c reductions occurred among patients who completed the study: -0.42 and -0.33% with alogliptin and glipizide, with non-inferiority again confirmed (LS mean difference = -0.09%; one-sided 97.5% CI: -∞, 0.07%). Overall, alogliptin was safe and well tolerated, with notably fewer hypoglycaemic episodes than glipizide [5.4% (31 episodes) vs. 26.0% (232 episodes), respectively]; three patients experienced severe hypoglycaemia, all with glipizide. Alogliptin also resulted in favourable weight changes versus glipizide (-0.62 vs. 0.60 kg at week 52; p < 0.001).

glucotrol generic name 2016-11-29

Hospitalized patients at increased risk for sulfonylurea-related hypoglycemia were those aged 65 years or older, those with a GFR of 30 ml/minute/1.73 m(2) or lower, and those who received concurrent intermediate- or long-acting insulin during inpatient sulfonylurea therapy. Sulfonylureas should be avoided or used with Flomax 350 Mg caution in these patients.

glucotrol dosage 2016-06-25

The single-dose kinetics and effects of tolbutamide (500 mg), chlorpropamide (250 mg), glibenclamide (5 mg) and glipizide (5 mg) were compared in 7 healthy male volunteers by measurements of serum concentrations of the drugs and of plasma insulin and blood glucose. The drugs were administered both on an empty stomach and together with a standardized breakfast. The concentrations of tolbutamide and chlorpropamide were measured by gas chromatography, those of glipizide with high-pressure Betnovate 30 Mg liquid chromatography, those of glibenclamide and insulin by radioimmunoassay and those of glucose by the hexokinase method. Glipizide and glibenclamide were more potent inducers of insulin release and blood glucose reduction than tolbutamide and chlorpropamide. As the concentrations of the former two drugs were in the range of nmol/l and those of the latter two in the mumol/l range, the findings support the notion that the intrinsic activity of the two second-generation sulfonylureas is at least 1 000 times greater than that of the two first-generation drugs. Glipizide seemed to be a more potent and more rapid insulin releaser than glibenclamide, but this may be secondary to biopharmaceutic differences between the two preparations. The bioavailability of glipizide was apparently greater than that of glibenclamide. Both glibenclamide (t 1/2 = 1.8 h) and glipizide (t 1/2 = 4.3 h) showed much shorter elimination half-lives than tolbutamide (7 h) and chlorpropamide (34 h). It seems probable, however, that these half-lives are not fully informative as to the duration of action of the drugs.

glipizide glucotrol dosage 2015-08-21

A simple, rapid and sensitive liquid chromatography/positive ion electro-spray tandem mass spectrometry method (LC-MS/MS) was developed and validated for the quantification of fexofenadine with 100 microL human plasma employing glipizide as internal standard (IS). Protein precipitation was used in the sample preparation procedure. Chromatographic separation was achieved on a reversed-phase C(18 )column (5 microm, 100 x 2.1 mm) with methanol : buffer (containing 10 mmol/L ammonium acetate and 0.1% formic acid; 70 : 30, v/v) as mobile phase. The total chromatographic runtime was approximately 3.0 min with retention time for fexofenadine and IS at approximately 1.9 and 2.1 min, respectively. Detection of fexofenadine and IS was achieved by LC-MS/MS in positive ion mode using 502.1 --> 466.2 Bystolic Medication Assistance and 446.0 --> 321.1 transitions, respectively. The method was proved to be accurate and precise at linearity range of 1-600 ng/mL with a correlation coefficient (r) of > or =0.9976. The validated method was applied to a pharmacokinetic study in human volunteers following oral administration of 60 or 120 mg fexofenadine formulations, successfully.

glucotrol 50 mg 2017-07-18

There is evidence that systemic sulfonylureas block diclofenac-induced antinociception in normal rat, suggesting that diclofenac activates ATP-sensitive K(+) channels. However, there is no evidence for the systemic interaction between different non-steroidal anti-inflammatory drugs (NSAIDs) and sulfonylureas in streptozotocin (STZ)-diabetic rats. Therefore, this work was undertaken to determine whether two sulfonylureas, glibenclamide and glipizide, have any effect on the systemic antinociception that is induced by diclofenac (30 mg/kg), lumiracoxib (56 mg/kg), meloxicam (30 mg/kg), metamizol (56 mg/kg) and indomethacin (30 mg/kg) using the non-diabetic and STZ-diabetic rat formalin test. Systemic injections of NSAIDs produced dose-dependent antinociception during the second phase of the test in both non-diabetic and STZ-diabetic rats. Systemic pretreatment with glibenclamide (10 mg/kg) and glipizide (10 mg/kg) blocked diclofenac-induced systemic antinociception in the second phase of the test (P<0.05) in both non-diabetic and STZ-diabetic rats. In contrast, pretreatment with glibenclamide or glipizide did not block lumiracoxib-, meloxicam-, metamizol-, and indomethacin-induced systemic antinociception (P>0.05) in both groups. Results showed that systemic NSAIDs are able to produce antinociception in STZ-diabetic rats. Likewise, data suggest that diclofenac, but not other NSAIDs, activated K(+) channels to induce its systemic antinociceptive effect in the non-diabetic and STZ-diabetic rat formalin test.

glucotrol gel 2016-06-30

Bromocriptine, which was used alone, lowered the blood glucose levels appreciably; whereas the concomitant administration of bromocriptine and glipizide in sub therapeutic doses produced a much more appreciable reduction. The results which were obtained in the group which received simultaneous administration of test and standard drugs in sub therapeutic doses were comparable to those of the group which received reference drug, glipizide. Hence, it can be concluded that bromocriptine may serve as a valuable adjunct to available anti-diabetic medication.

glucotrol usual dosage 2017-10-30

We included 37 trials with 40 treatment comparisons involving 3227 participants. The duration of the interventions ranged from 2 to 12 months for parallel trials and two to four months for cross-over trials.The majority of trials had an unclear risk of bias in several risk of bias domains. Fourteen trials showed a high risk of bias, mainly for performance and detection bias. Insulin monotherapy, including once-daily long-acting, once-daily intermediate-acting, twice-daily premixed insulin, and basal-bolus regimens (multiple injections), was compared to insulin in combination with sulphonylureas (17 comparisons: glibenclamide = 11, glipizide = 2, tolazamide = 2, gliclazide = 1, glimepiride = 1), metformin (11 comparisons), pioglitazone (four comparisons), alpha-glucosidase inhibitors (four comparisons: acarbose = 3, miglitol = 1), dipeptidyl peptidase-4 inhibitors (DPP-4 inhibitors) (three comparisons: vildagliptin = 1, sitagliptin = 1, saxagliptin = 1) and the combination of metformin and glimepiride (one comparison). No trials assessed all-cause mortality, diabetes-related morbidity or health-related quality of life. Only one trial assessed patients' treatment satisfaction and showed no substantial differences between the addition of either glimepiride or metformin and glimepiride to insulin compared with insulin monotherapy.Insulin-sulphonylurea combination therapy (CT) compared with insulin monotherapy (IM) showed a MD in glycosylated haemoglobin A1c (HbA1c) of -1% (95% confidence interval (CI) -1.6 to -0.5); P < 0.01; 316 participants; 9 trials; low-quality evidence. Insulin-metformin CT compared with IM showed a MD in HbA1c of -0.9% (95% CI -1.2 to -0.5); P < 0.01; 698 participants; 9 trials; low-quality evidence. We could not pool the results of adding pioglitazone to insulin. Insulin combined with alpha-glucosidase inhibitors compared with IM showed a MD in HbA1c of -0.4% (95% CI -0.5 to -0.2); P < 0.01; 448 participants; 3 trials; low-quality evidence). Insulin combined with DPP-4 inhibitors compared with IM showed a MD in HbA1c of -0.4% (95% CI -0.5 to -0.4); P < 0.01; 265 participants; 2 trials; low quality evidence. In most trials the participants with CT needed less insulin, whereas insulin requirements increased or remained stable in participants with IM.We did not perform a meta-analysis for hypoglycaemic events because the included studies used different definitions.. In most trials the insulin-sulphonylurea combination resulted in a higher number of mild episodes of hypoglycaemia, compared to the IM group (range: 2.2 to 6.1 episodes per participant in CT versus 2.0 to 2.6 episodes per participant in IM; low-quality evidence). Pioglitazone CT also resulted in more mild to moderate hypoglycaemic episodes compared with IM (range 15 to 90 episodes versus 9 to 75 episodes, respectively; low-quality evidence. The trials that reported hypoglycaemic episodes in the other combinations found comparable numbers of mild to moderate hypoglycaemic events (low-quality evidence).The addition of sulphonylureas resulted in an additional weight gain of 0.4 kg to 1.9 kg versus -0.8 kg to 2.1 kg in the IM group (220 participants; 7 trials; low-quality evidence). Pioglitazone CT caused more weight gain compared to IM: MD 3.8 kg (95% CI 3.0 to 4.6); P < 0.01; 288 participants; 2 trials; low-quality evidence. Metformin CT was associated with weight loss: MD -2.1 kg (95% CI -3.2 to -1.1), P < 0.01; 615 participants; 7 trials; low-quality evidence). DPP-4 inhibitors CT showed weight gain of -0.7 to 1.3 kg versus 0.6 to 1.1 kg in the IM group (362 participants; 2 trials; low-quality evidence). Alpha-glucosidase CT compared to IM showed a MD of -0.5 kg (95% CI -1.2 to 0.3); P = 0.26; 241 participants; 2 trials; low-quality evidence.Users of metformin CT (range 7% to 67% versus 5% to 16%), and alpha-glucosidase inhibitors CT (14% to 75% versus 4% to 35%) experienced more gastro-intestinal adverse effects compared to participants on IM. Two trials reported a higher frequency of oedema with the use of pioglitazone CT (range: 16% to 18% versus 4% to 7% IM).

glucotrol maximum dosage 2015-06-28

The K(ATP) channel blocker glibenclamide inhibits cardioprotection afforded by ischemic preconditioning (IPC), raising concern about sulfonylurea use by patients with cardiovascular disease. We examined the effects of the widely prescribed sulfonylurea glipizide (Glucotrol XL(R) ) on IPC in anesthetized rabbits. Initially, in parallel studies in pentobarbital-anesthetized rabbits, we identified doses of glipizide (GLIP, 0.17 mg/kg + 0.12 mg/kg/h, IV) and glibenclamide (GLIB, 0.05 mg/kg + 0.03 mg/kg/h, IV) that produced steady-state, clinically relevant plasma levels of both drugs; these doses also significantly increased plasma insulin by 51 +/- 17% (GLIP) and by 57 +/- 17% (GLIB, both p < 0.05 vs. their respective baseline levels). Subsequent parallel studies in ketamine-xylazine-anesthetized rabbits examined the effects of these doses of GLIP and GLIB on IPC. Myocardial injury (30 min coronary occlusion/120 min reperfusion), either with or without IPC (5 min occlusion/10 min reperfusion) was induced midway during a 2 h infusion of vehicle (VEH), GLIP or GLIB (n = 10-11 each). Infarct area (IA) normalized to area-at-risk (%IA/AAR) was 62 +/- 3% in the VEH group, and was significantly reduced to 39 +/- 5% by IPC (p < 0.05 vs. VEH). Neither GLIP nor GLIB treatment had any effect on %IA/AAR in the absence of IPC (p > 0.05). IPC-induced cardioprotection was preserved in the GLIP + IPC treatment group (45 +/- 4%) when compared to VEH alone (p < 0.05), but was attenuated in the presence of GLIB (GLIB+IPC: 53 +/- 4% IA/AAR, p > 0.05 vs. VEH). Thus, at a clinically relevant plasma concentration, glipizide did not limit the cardioprotective effects of IPC, and is unlikely to increase the severity of cardiac ischemic injury.

glucotrol medicine 2017-02-11

The antihyperglycemic effect and mechanism of action of extracts, fractions and compounds from Wilbrandia ebracteata was studied. The crude extract reduced the glycemia, increased glycogen content and serum insulin in hyperglycemic rats. Also, a significant effect was observed with the n-butanol and metanol subfraction. However, the antihyperglycemic effect of the n-butanol fraction was not observed in diabetic rats. The C-glycosylflavones isovitexin and swertisin showed a strong antihyperglycemic action compared with the extracts and fractions. These results show that the extracts, fractions, and isolated C-glycosylflavones have an antihyperglycemic action that was reinforced by the stimulation on in vivo insulin secretion.