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Aciphex (Rabeprazole)

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Generic Aciphex is a high-quality medication which is taken in treatment of heartburn or irritation of the esophagus caused by gastroesophageal reflux disease (GERD). Generic Aciphex acts as by decreasing the amount of acid produced in the stomach. It is a proton pump inhibitor.

Other names for this medication:

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Also known as:  Rabeprazole.


Generic Aciphex is a perfect remedy in struggle against heartburn or irritation of the esophagus caused by gastroesophageal reflux disease (GERD).

Generic Aciphex acts as by decreasing the amount of acid produced in the stomach. It is a proton pump inhibitor.

Aciphex is also known as Rabeprazole, Pariet, Rablet.

Generic name of Generic Aciphex is Rabeprazole.

Brand name of Generic Aciphex is Aciphex.


Take Generic Aciphex orally with or without food.

Do not crush or chew it.

Do not stop taking it suddenly.


If you overdose Generic Aciphex and you don't feel good you should visit your doctor or health care provider immediately.


Store at room temperature between 15 and 30 degrees C (59 and 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 Aciphex 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 Generic Aciphex if you are allergic to Generic Aciphex components.

Do not take Generic Aciphex if you're pregnant or you plan to have a baby, or you are a nursing mother. Generic Aciphex can harm your baby.

Generic Aciphex may interfere with certain lab tests.

Generic Aciphex should be used with extreme caution in Asian patients.

Generic Aciphex should be used with extreme caution in children younger than 12 years old. Safety and effectiveness in these children have not been confirmed.

Avoid alcohol.

Do not stop taking Generic Aciphex suddenly.

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The efficacy and safety of two-year (104-week) treatment with rabeprazole (RPZ) 10 mg were studied in patients confirmed to have been cured of RE by PPI and who required long-term maintenance therapy with PPI. We performed serial endoscopy, checked gastroesophageal reflux disease (GERD) symptoms, adverse events, laboratory values and serum gastrin. We also monitored gastric mucosal histology, atrophy and polyps.

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Features of esophageal histopathology 5 cm above the SCJ differed between NERD and RE patients. The esophageal histopathology in patients unresponsive to RPZ was characterized by Protein Gene Product (PGP) 9.5 negativity in those with NERD, and intraepithelial bleeding in those with RE. In addition, the combination of dilated intercellular spaces (DIS) (+)/PGP 9.5 (-) was indicative of strong resistance to PPI therapy in NERD patients.

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Caucasian subjects with *1/*1 and *1/*17 genotype need stronger acid-suppression therapy, especially during the first days of treatment or with on-demand therapy.

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Omeprazole, lansoprazole and rabeprazole have been widely used as proton pump inhibitors (PPIs). They can be metabolized in the liver by CYP2C19, a polymorphic enzyme, and have a wide inter-individual variability with respect to drug response. In the investigation reported here, we examined the kinetic characteristics of the three PPIs in healthy Chinese subjects in relation to CYP2C19 genotype status.

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Extended pH recording improves the detection of abnormal acid reflux and increases the number of recorded symptoms and acid reflux events. Combined off and on PPI therapy pH testing enhances the interpretation of pH monitoring and symptom-reflux correlations, which can be helpful in the management of patients with PPI-unresponsive gastroesophageal acid reflux symptoms.

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Four-week treatment with rikkunshito combined with RPZ significantly decreased the FSSG score from 17.6 ± 6.5 to 12.0 ± 6.9, similar to the decrease seen on treatment with a double dose of RPZ. Regarding the therapeutic improvement rate, there were also significant effects in both groups. However, in the subgroup analysis based on RE/NERD, the improvement rate of male NERD patients in the rikkunshito group was significantly greater than that of such patients in the other group (P < 0.05). In the rikkunshito group, the treatment was more effective in NERD patients with a low BMI than in those with a high BMI (P < 0.05).

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Management of gastro-oesophageal reflux disease (GERD) is aimed at reducing oesophageal acid exposure to achieve symptom relief. Therapy has traditionally included advice to the patient on diet and lifestyle management. Recent evidence suggests, however, that some specific dietary modifications may be applicable to the Japanese patient. For example, ingestion of Japanese sweet cakes or rice cakes should be avoided by the Japanese patient with GERD as these foods may provoke heartburn. Pharmacological therapy is, however, usually also required for effective symptom relief. While antacids and histamine H(2)-receptor antagonists have a role in treating mild GERD, effective relief of many cases of oesophagitis is usually only achieved by using proton-pump inhibitors such as lansoprazole, omeprazole and rabeprazole. In the Japanese population, variation in the genetic polymorphism of CYP2C19 (a cytochrome P450 isoenzyme) leads to considerable inter-individual unpredictability in the activity of lansoprazole and omeprazole due to inter-individual differences in the extent to which these agents are metabolized. Consequently, rabeprazole, which does not undergo hepatic biotransformation by CYP2C19, offers significant advantages over the other PPIs as a result of its more predictable activity. This, coupled with its more rapid onset of action, leads to a more efficient and less variable acid-suppressing effect.

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In conclusion, rabeprazole- and esomeprazole-based primary therapies for H. pylori infection are comparable in efficacy and safety.

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In a randomized controlled trial of users of low-dose aspirin at risk for recurrent GI bleeding, a slightly lower proportion of patients receiving a PPI along with aspirin developed recurrent bleeding or ulcer than of patients receiving an H2RA with the aspirin, although this difference was not statistically significant. no: NCT01408186.

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Thirty subjects were compliant with study medications and underwent three endoscopic examinations. Salicylate concentrations were similar for the placebo and the rabeprazole groups at all times. On rabeprazole, the Lanza scores were significantly lower compared with placebo at 24 h (1.3 +/- 0.26 vs. 2.1 +/- 0.26, P < 0.05) and at 72 h (1.3 +/- 0.29 vs. 2.3 +/- 0.28, P < 0.05). Gastric antral erosion counts were less with rabeprazole than placebo at 24 (4.1 +/- 1.3 vs. 7.6 +/- 2.0, P > 0.05) and 72 h (5.3 +/- 1.8 vs. 8.0 +/- 1.5; P > 0.05).

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One month after treatment, the (13)C urea breath test was carried out to detect H. pylori. The eradication rate using per-protocol analysis was 94.3% in the experimental treatment group and 73% in the standard triple treatment group (P < 0.05), and using intention to test analysis, these figures were 86% and 67% in the two groups, respectively. Side effects were observed in 34 patients, and included mild dizziness, nausea, diarrhea and increased bowel movement. Eleven of the 34 patients needed no treatment for their side effects.

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ES in combination with PPI facilitates increased healing of ESD-induced ulcers, and can also improve the quality of ulcer healing.

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E-3810 is a novel small molecule that inhibits VEGF receptor-1, -2, and -3 and fibroblast growth factor receptor-1 tyrosine kinases at nmol/L concentrations currently in phase clinical II. In preclinical studies, it had a broad spectrum of antitumor activity when used as monotherapy in a variety of human xenografts. We here investigated the activity of E-3810 combined with different cytotoxic agents in a MDA-MB-231 triple-negative breast cancer xenograft model. The molecule could be safely administered with 5-fluorouracil, cisplatin, and paclitaxel. The E-3810-paclitaxel combination showed a striking activity with complete, lasting tumor regressions; the antitumor activity of the combination was also confirmed in another triple-negative breast xenograft, MX-1. The activity was superior to that of the combinations paclitaxel+brivanib and paclitaxel+sunitinib. Pharmacokinetics studies suggest that the extra antitumor activity of the combination is not due to higher paclitaxel tumor levels, which in fact were lower in mice pretreated with all three kinase inhibitors, and the paclitaxel plasma levels excluded reduced drug availability. Pharmacodynamic studies showed that E-3810, brivanib, and sunitinib given as single agents or in combination with paclitaxel reduced the number of vessels, but did not modify vessel maturation. Reduced tumor collagen IV and increased plasma collagen IV, associated with increased matrix metalloproteinases (MMP), particularly host MMP-9, indicate a proteolytic remodeling of the extracellular matrix caused by E-3810 that in conjunction with the cytotoxic effect of paclitaxel on the tumor cells (caspase-3/7 activity) may contribute to the striking activity of their combination. These data support the therapeutic potential of combining E-3810 with conventional chemotherapy.

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In this randomised, double-blind, multicentre study, conducted at 27 European sites, the efficacy and safety of rabeprazole and omeprazole were compared in patients with erosive or ulcerative gastro-oesophageal reflux disease (GERD).100 patients received rabeprazole 20 mg, and 102 patients omeprazole 20 mg once daily for 4 or 8 weeks, with healing monitored by endoscopy.

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There are inconsistent conclusions about whether CYP2C19 variants could affect H. pylori eradication rate in patients treated with the proton pump inhibitor (PPI)-based therapy. We therefore performed a meta-analysis of randomized clinical trials (RCTs) to re-evaluate the impact of CYP2C19 variants on PPI-based triple therapy for the above indication.

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PPIs have emerged as the treatment of choice for acid-related diseases, including gastroesophageal reflux disease (GERD) and peptic ulcer disease. Although these drugs-omeprazole, lansoprazole, pantoprazole, and rabeprazole-share a common structure (all are substituted benzimidazoles) and mode of action (inhibition of H+,K+-adenosine triphosphatase [ATPase]), each differs somewhat in its clinical pharmacology.

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The frequency of heartburn episodes and the number of acid reflux episodes in the esophagus corresponded well in grade M NERD patients (r=0.44, P=0.042). Median percentage of time at pH<4 was 4.3% before treatment and 1.1% on treatment with rabeprazole 5 mg (change from baseline; -2.5%), whereas the median percentage of time at pH<4 in the rabeprazole 10 mg group was 7.4% before treatment and 0.5% on treatment (change from baseline; -6.6%). Likewise, treatment-related changes of median number of reflux episodes were -18.0 with rabeprazole 5 mg and -44.0 with rabeprazole 10 mg. For each esophageal pH data, no significant differences were observed between the two groups (P=0.377, P=0.077).

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A recent trend in curative therapy for Helicobacter pylori infection is the so-called triple therapy, which consists of a proton pump inhibitor (PPI) and two different antimicrobials. Various regimens employing this triple therapy have been reported. However, little is known about the effectiveness of rabeprazole, a recently developed proton pump inhibitor, when used in the triple therapy.

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Current approach for the treatment of gastroesopageal reflux disease (GERD) was reviewed. The most effective treatment of erosive esophagitis or symptomatic GERD is to reduce gastric acid secretion with either an H2 receptor antagonists (H2RA) or a proton pump inhibitor (PPI). The PPI lead to more rapid healing and symptom relief than H2RA. Despite treatment with PPI, some patients with GERD continue to have symptoms or endoscopic evidence of esophagitis. Nocturnal acid breakthrough may be one of the mechanisms responsible for the refractory GERD. There are two approaches to the initial medical treatment of gastroesophageal reflux disease ('step down' therapy or 'step up' approach). Although there are arguments in favour of both approaches, the former is considered to be preferable these days.

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The widespread use of eradication therapy for Helicobacter pylori in Japan has led to an increase in antibiotic-resistant strains and the problem of re-treatment in cases of eradication failure.

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Twenty-one 8-week-old male Wistar rats were studied. They were performed oesophagoduodenostomy of total gastrectomy to induce oesophageal reflux of biliary and pancreatic juice. Five rats were performed the sham operation (Sham). On post-operative day 7, they were treated with saline (Control) (n = 8) or PPI (rabeprazole, 30 mg/kg per day, ip ) (n = 8) for 2 wk. On post-operative 21, all rats were sacrificed and each oesophagus was evaluated histologically. Oesophageal injury was evaluated by macroscopic and microscopic findings as well as the expression of cyclooxygenase-2 (COX2). We measured bile acid in the oesophageal lumen and the common bile duct.

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aciphex drug class 2016-09-26

At 8 weeks after buy aciphex surgery, gastroduodenal reflux induced esophageal erosions and ulcer formation as well as marked thickening of the esophageal wall. Histological study showed an increase of thickness of the esophageal mucosa, hyperplasia of the epidermis and basal cells, ulcer formation, and marked infiltration of inflammatory cells. The macroscopic ulcer score and histological ulcer length were significantly reduced by treatment with rabeprazole or CMM but not by nizatidine or ecabet sodium, compared with each control. Rabeprazole, nizatidine, or ecabet sodium did not affect the severity of mucosal hyperplastic scores or histological parameters in esophagitis. In contrast, the CMM group showed a significant decrease in the mucosal hyperplastic and inflammatory scores. The enhanced expression of CINC-1, COX-2, and iNOS mRNA in the control group was also markedly inhibited in the CMM-treated group. ONO-1714 or meloxicam treatment significantly reduced the macroscopic scores of ulcer and hyperplasia. The trypsin activity in the esophageal lumen was significantly increased in the control diet group, and this increase was significantly inhibited in the CMM-treated group. The expression of PAR-1 and -2 mRNA was confirmed in rat esophageal epithelium.

aciphex tab 2015-10-05

Forty consecutive patients with LPR documented by double-probe pH monitoring buy aciphex were evaluated prospectively. Symptom response to therapy with proton pump inhibitors was assessed at 2, 4, and 6 months of treatment with a self-administered reflux symptom index (RSI). In addition, transnasal fiberoptic laryngoscopy (TFL) was performed and a reflux finding score (RFS) was determined for each patient at each visit.

aciphex 20 pill 2016-03-08

Sixteen subjects completed the study. For all three drugs and placebo, H. pylori eradication increased intragastric acidity, particularly nocturnal acidity, and decreased plasma gastrin. There were no differences between the three drugs with respect to 24-h acidity, percentage of time pH > 4 or 5-h plasma gastrin, either before or after H. pylori eradication. Before eradication, the percentage nocturnal time buy aciphex at pH > 3 was significantly greater during rabeprazole than during lanso-prazole dosing.

aciphex dosage 2015-02-26

One hundred and sixteen H. pylori infected patients with gastric ulcer and duodenal ulcer completed the triple therapy with 10 mg of rabeprazole b.i.d., 1,000 mg amoxacillin b.i.d. and 500 mg buy aciphex of clarithromycin b.i.d. for one week. The genotype of CYP2C19 was determined by a PCR-restriction fragment length polymorphism method.

aciphex retail cost 2017-06-27

Studies revealed that all the physicochemical parameters comply with the official standards. The in vitro release studies exhibits the release up to 90%, over a prolonged period of time which confirms the extended release profile of formulation, having better buy aciphex bioavailability as well as decreased dosing frequency with reduced doses.

aciphex medicine 2015-09-11

On the basis of the results of randomized clinical trials, this study sought to estimate healing and relapse rates in acute buy aciphex and maintenance treatment of GERD with the newer PPIs compared with omeprazole, the histamine2-receptor antagonist ranitidine (the most frequent non-PPI comparator in studies of PPIs), and placebo.

aciphex generic name 2015-06-26

A 36-month retrospective descriptive study in a level I hospital. The basic units of work are Dose-Population- Day in the outpatient setting, and the Defined Daily Dose/stays-day for hospitalized patients; the proportion of DDDs for omeprazole vs. the rest of buy aciphex PPIs is used as measure of efficiency. For statistical analysis, we built a segmented regression model.

aciphex daily dosage 2015-06-15

Compared with placebo, rabeprazole 10, 20 and 40 mg produced significant dose-related decreases in intragastric acidity (median 24-h integrated acidity=697, 186, 129 and 82 buy aciphex mmol h/L, respectively). This was associated with significant elevation of plasma gastrin concentration (median 24-h integrated gastrin=141, 1184, 1484 and 1763 pmol.h/L, respectively). Rabeprazole 40 mg resulted in significantly decreased acidity compared with both 10 and 20 mg, and in longer times for which intragastric pH was maintained at > 3 (19. 2 h vs. 17.3 h and 17.5 h) and > 4 (17 h vs. 14.2 h and 15.2 h), but was accompanied by significantly increased plasma gastrin. There was a consistent trend for greater antisecretory activity for 20 mg compared with 10 mg, but these differences did not reach statistical significance. The interindividual variability in antisecretory response was greatest with 10 mg.

aciphex and alcohol 2016-11-07

Mercury exposure is encountered most commonly in individuals with amalgam fillings. The toxic, bactericidal, and immunosuppressive effects of mercury are well known. Furthermore, multiple antibiotic resistance can be transferred, together with mercury resistance. The aim of this study was to investigate the frequency of Helicobacter pylori infection in dyspeptic patients with amalgam fillings and the effect of the amalgam fillings on H. pylori buy aciphex eradication rates in these patients.

generic aciphex coupons 2015-09-30

The median MLSs were 0 in the baseline and the rabeprazole 10 mg regimen. The median MLS in the aspirin regimen was 3, while those in both aspirin + rabeprazole 10 mg and aspirin + rabeprazole 40 mg regimens were 0. Rabeprazole significantly prevented the gastric mucosal injury by aspirin (P = 0.001 for rabeprazole 10 mg and P = 0.005 for rabeprazole 40 mg). The MLSs were negatively correlated with the 24-h intragastric pH buy aciphex (P = -0.711, < 0.001), whereas aspirin had no effect on the intragastric pH. Aspirin expanded the mean diameter of the microvessels of the gastric mucosa, which, in turn, was negatively correlated with the intragastric pH.

aciphex 20 dosage 2015-03-29

Rabeprazole clearance was lower in CYP2C19 PMs than in EMs (with average values of 10.7 vs. 16.8 l h(-1) in PMs and EMs, respectively), resulting in higher plasma levels in the former group. The values of EC(50) and k(eo) of gastrin response increased with multiple doses of rabeprazole. The k(eo) values were lower in CYP2C19 PMs than in EMs on day 1 (0.012 vs. 0.017 x 10(-4) l min(-1)), and higher than in EMs on day 4 (0.804 vs. 0.169 x 10(-4) l min(-1)) of rabeprazole treatment. The predicted gastrin-time profile showed a higher response in CYP2C19 PMs than in EMs on days 4 and 7. Helicobacter pylori was eradicated in all CYP2C19 PMs except in one patient infected by a resistant strain. In contrast, in buy aciphex CYP2C19 EMs the eradication rates ranged from 58 to 85%.

aciphex 40 mg 2015-05-23

A randomized, single-blinded, outdoor-based clinical study was conducted on 60 buy aciphex patients of mild-to-moderate erosive GERD. After baseline clinical assessment and investigations, rabeprazole (40 mg) was prescribed to 30 patients and esomeprazole (40 mg) to another 30 patients for 4 weeks. The efficacy variables were change in GERD symptom scoring, endoscopic findings, and Quality of Life in Reflux and Dyspepsia (QOLRAD) scoring over 4 weeks.

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Long-term and low-dose PPI treatment achieves improvement both in reflux symptoms and QoL in GERD patients and such effects last a long time. At follow-ups, the reflux symptoms of buy aciphex NERD patients are more severe than EE patients. However, the overall QoL has shown little differences between these two subtypes.

aciphex generic alternative 2017-03-15

Rabeprazole is an inhibitor of the gastric proton pump. It causes dose-dependent inhibition of acid secretion. In 8-week studies, among patients with gastro-oesophageal reflux disease (GORD), rabeprazole 20 mg/day or 10mg twice daily was as effective as omeprazole and superior to ranitidine in the healing of GORD. Symptom relief with rabeprazole was superior to that provided by placebo and ranitidine and similar to omeprazole. In long-term trials rabeprazole 10 mg/day was similar to omeprazole 20 mg/day in a 2-year study and superior to placebo in 1-year studies, in both the maintenance of healing and prevention of symptoms in patients with healed GORD. In nonerosive GORD, 4-week studies have shown rabeprazole to be more effective than placebo in relieving heartburn and various other gastrointestinal symptoms. Data among patients with Barrett's oesophagus suggest rabeprazole 20 mg/day may be more effective than placebo in maintaining healing of associated oesophagitis after 1 year of treatment. One-week triple Helicobacter pylori eradication therapy with rabeprazole plus clarithromycin and amoxicillin achieved eradication rates of > or =85%. Rabeprazole is as effective as omeprazole and lansoprazole when included as part of a triple-therapy regimen for the eradication of H. pylori. Eradication rates of >90% were achieved when rabeprazole 20 to 40 mg/day was included as part of a quadruple eradication regimen. As monotherapy for peptic ulcer healing and symptom relief, 4- to 8-week studies have shown rabeprazole 10 to 40 buy aciphex mg/day to be superior to placebo and ranitidine and have similar efficacy to omeprazole. Preliminary 1-year data among 16 patients with Zollinger-Ellison syndrome suggest rabeprazole 60 to 120 mg/day can resolve and prevent the recurrence of symptoms and endoscopic lesions associated with this condition. In clinical trials of up to 2 years' duration the tolerability of rabeprazole is similar to that of placebo, ranitidine and omeprazole. Common adverse events assigned to rabeprazole have been diarrhoea, headache, rhinitis, nausea, pharyngitis and abdominal pain. Histological changes and increases in serum gastrin levels were unremarkable and typical of proton pump inhibitors. No dosage adjustment is necessary in renal and mild to moderate hepatic impairment.

aciphex dose 2015-04-27

The mean RSI at entry was 19.3 (+/- 8.9 standard deviation) and it improved to 13.9 (+/- 8.8) at 2 months of treatment (P <.05). No further significant improvement was noted at 4 months (13.1 +/- 9.8) or 6 months (12.2 +/- 8.1) Aggrenox Pill of treatment. The RFS at entry was 11.5 (+/- 5.2), and it improved to 9.4 (+/- 4.7) at 2 months, 7.3 (+/- 5.5) at 4 months, and 6.1 (+/- 5.2) after 6 months of treatment (P <.05 with trend).

aciphex drug classification 2015-07-24

The substituted benzimidazoles omeprazole, lansoprazole, rabeprazole, and pantoprazole were found to have in vitro activity against three Amaryl Dosage Information different isolates of Plasmodium falciparum: D6 (which is chloroquine and pyrimethamine sensitive), W2 (chloroquine and pyrimethamine resistant), and TM91C235 (multidrug resistant). Lansoprazole and rabeprazole were the most effective against all three isolates, with a 50% inhibitory concentration (IC(50)) range of 7 to 11 microM. Omeprazole showed intermediate activity against D6 and W2 isolates, with IC(50)s of 27 to 28 microM, but had poor activity against TM91C235, with an IC(50) of 76 microM. Pantoprazole was the least effective, with IC(50)s of 73 microM against D6, 53 microM against W2, and 39 microM against TM91C235. A pharmacophore model describing the important features responsible for potent activity of the drugs was developed using computational techniques of semiempirical quantum chemical methods and the three-dimensional QSAR procedure of the CATALYST software. The important features of the pharmacophore, according to the findings based on the CATALYST procedures, are the hydrogen bond acceptor and donor sites at the benzimidine nitrogen atoms and the two aromatic hydrophobic sites in the molecules. AM1 quantum chemical calculations identified the electrostatic potential surface surrounding the sulfoxide atom as crucial for potent activity.

aciphex sprinkle cost 2017-09-09

The eradication rate of proton pump inhibitor (PPI)-based triple therapy for Helicobacter pylori (H. pylori) infection has decreased, mainly due to increasing antibiotic resistance, especially against clarithromycin. It has been reported that a 10-day sequential strategy can produce good outcomes. The aim of this prospective study was to assess the efficacy of sequential therapy as the first-line treatment for the Augmentin 875 Dosage eradication of H. pylori in Korea.

aciphex pills 2015-06-13

Differences are emerging with respect to the mode of metabolism of proton pump inhibitors. All, except rabeprazole, are metabolised primarily by the hepatic cytochrome P450 enzyme system, and common genetic polymorphisms of the CYP 2C19 iso-enzyme affect their clearance and bio-availability. This has been demonstrated to lead to inconsistency in terms of acid suppression across the CYP 2C19 genotypes for all proton pump inhibitors except for rabeprazole. Omeprazole and, more markedly, esomeprazole, differ from the other proton pump inhibitors in that their Cozaar 80 Mg bio-availability increases over the first week of treatment. This is due to a progressive reduction in their hepatic clearance with repeat dosing. This reduced hepatic clearance appears to be due to the S-enantiomer of omeprazole-esomeprazole impairing the activity of hepatic CYP 2C19. The clinical significance of these differences in metabolism of the various proton pump inhibitors, and the possible benefits of the non-enzymatic metabolism of rabeprazole, require further investigation.

aciphex overdose symptoms 2016-04-06

Nocturnal gastric acid breakthrough was observed in 12 patients (39%) after the morning dose of 20 mg rabeprazole. In all cases, nocturnal gastric Cleocin Vaginal Gel acid breakthrough was inhibited completely by administration of the H2-receptor antagonist at bedtime. Only one patient with nocturnal gastric acid breakthrough had H. pylori infection.

aciphex max dosage 2016-11-08

A simple and rapid liquid chromatography with tandem mass spectrometry method has been developed and validated for the determination of rabeprazole and its two active metabolites, rabeprazole thioether and desmethyl Levaquin Dosage Chlamydia rabeprazole thioether, in human urine using donepezil as the internal standard. The sample preparation procedure involved a simple dilution of urine sample with methanol (1:3, v/v). The chromatographic separation was achieved on a Hedera ODS-2 C18 column using a mixture of methanol/10 mmol/L ammonium acetate solution (containing 0.05% formic acid; 55:45, v/v) as the mobile phase. The method was validated over the concentration ranges of 0.15-100 ng/mL for rabeprazole, 0.30-400 ng/mL for rabeprazole thioether, and 0.05-100 ng/mL for desmethyl rabeprazole thioether. The established method was highly sensitive with a lower limit of quantification of 0.15 ng/mL for rabeprazole, 0.30 ng/mL for rabeprazole thioether, and 0.05 ng/mL for desmethyl rabeprazole thioether. The intra- and interbatch precision was <4.5% for the low, medium, and high quality control samples of all the analytes. The recovery of the analytes was in the range 95.4-99.0%. The method was successfully applied to a urinary excretion profiles after intravenous infusion administration of 20 mg rabeprazole sodium in healthy volunteers.

aciphex generic equivalent 2016-12-23

The eradication rate of Helicobacter pylori is steadily decreasing because of increasing resistance to clarithromycin. According to the new version of Maastricht IV guidelines, molecular tests can be performed as a substitute for bacterial culture and the standard clarithromycin susceptibility test for the detection of H. pylori and clarithromycin resistance directly on gastric biopsy samples.

aciphex tablets 2015-06-26

It has been reported that proton pump inhibitors are more effective than H2 receptor antagonists in patients with functional dyspepsia. Dyspeptic symptoms that respond to proton pump inhibitors are classified as acid-related dyspepsia. A new questionnaire for assessing gastroesophageal reflux disease (GERD), the Frequency Scale for Symptoms of GERD, covers the 12 most common symptoms of GERD patients. A quantitative assessment of the changes of reflux symptoms and acid-related dyspepsia was made in GERD patients receiving proton pump inhibitor therapy. Sixty-eight GERD patients receiving proton pump inhibitor therapy completed the questionnaire before and after treatment for 8 weeks. There is a significant positive correlation between reflux symptoms and acid-related dyspepsia before and after therapy (r = 0.569 and r = 0.569; both P's < 0.001) and acid-related dyspepsia in patients with both nonerosive and erosive GERD. We conclude that GERD patients suffer not only from reflux symptoms, but also from acid-related dyspepsia, and proton pump inhibitors improve both types of symptoms.

aciphex 5 mg 2016-06-24

Parasitic diseases are still a major health problem in developing countries. In our effort to find new antiparasitic agents, in this Letter we report the in vitro antiprotozoal activity of omeprazole, lansoprazole, rabeprazole and pantoprazole against Trichomonas vaginalis, Giardia intestinalis and Entamoeba histolytica. Molecular modeling studies were an important tool to highlight the potential antiprotozoal activity of these drugs. Experimental evaluations revealed a strong activity for all compounds tested. Rabeprazole and pantoprazole were the most active compounds, having IC(50) values in the nanomolar range, which were even better than metronidazole, the drug of choice for these parasites.