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Whether proton-pump inhibitors are beneficial or harmful for stress ulcer prophylaxis in critically ill patients undergoing invasive ventilation is unclear. In this international, randomized trial, we assigned critically ill adults who were undergoing invasive ventilation to receive intravenous pantoprazole (at a dose of 40 mg daily) or matching placebo. The primary efficacy outcome was clinically important upper gastrointestinal bleeding in the intensive care unit (ICU) at 90 days, and the primary safety outcome was death from any cause at 90 days. Multiplicity-adjusted secondary outcomes included ventilator-associated pneumonia, infection, and patient-important bleeding. A total of 4821 patients underwent randomization in 68 ICUs. Clinically important upper gastrointestinal bleeding occurred in 25 of 2385 patients (1.0%) receiving pantoprazole and in 84 of 2377 patients (3.5%) receiving placebo (hazard ratio, 0.30; 95% confidence interval [CI], 0.19 to 0.47; P<0.001). At 90 days, death was reported in 696 of 2390 patients (29.1%) in the pantoprazole group and in 734 of 2379 patients (30.9%) in the placebo group (hazard ratio, 0.94; 95% CI, 0.85 to 1.04; P = 0.25). Patient-important bleeding was reduced with pantoprazole; all other secondary outcomes were similar in the two groups. Among patients undergoing invasive ventilation, pantoprazole resulted in a significantly lower risk of clinically important upper gastrointestinal bleeding than placebo, with no significant effect on mortality. (Funded by the Canadian Institutes of Health Research and others; REVISE ClinicalTrials.gov number, NCT03374800.).

In a randomized trial comparing the proton-pump inhibitor pantoprazole with placebo in the ICU, there was no significant difference in the rate of death at 90 days or in a combined end point of clinically meaningful events, which included gastrointestinal bleeding and pneumonia.

PurposeDissolution speeds of tablets printed via Fused Deposition Modeling (FDM) so far are significantly lower compared to powder or granule pressed immediate release tablets. The aim of this work was to print an actual immediate release tablet by choosing suitable polymers and printing designs, also taking into account lower processing temperatures (below 100°C) owing to the used model drug pantoprazole sodium.MethodsFive different pharmaceutical grade polymers polyvinylpyrrolidone (PVP K12), polyethylene glycol 6000 (PEG 6000), Kollidon® VA64, polyethylene glycol 20,000 (PEG 20,000) and poloxamer 407 were successfully hot-melt-extruded to drug loaded filaments and printed to tablets at the required low temperatures.ResultsTablets with the polymers PEG 6000 and PVP K12 and with a proportion of 10% pantoprazole sodium (w/w) demonstrated a fast drug release that was completed within 29 min or 10 min, respectively. By reducing the infill rate of PVP tablets to 50% and thereby increase the tablet porosity it was even possible to reduce the mean time for total drug release to only 3 min.ConclusionsThe knowledge acquired through this work might be very beneficial for future FDM applications in the field of immediate release tablets especially with respect to thermo-sensitive drugs.

PurposeFedratinib, an oral, selective Janus kinase 2 inhibitor with activity against both wild-type and mutant Janus kinase 2, has pH-dependent solubility, with free solubility at pH 1. Concomitant administration of drugs that reduce gastric acid secretion, such as pantoprazole, may decrease the absorption of fedratinib and affect patient outcomes. The aim of this study was to evaluate the impact of 7-day repeated 40-mg doses of pantoprazole on the pharmacokinetic (PK) properties of a single 500-mg dose of fedratinib in healthy male subjects.MethodsIn this phase I, single-center, open-label, two-period, two-treatment, fixed-sequence crossover study, healthy male subjects were administered a single dose of fedratinib 500 mg on day 1 in Period 1, followed by pantoprazole 40 mg daily for 7 days (day 1 to day 7) and a single dose of fedratinib 500 mg on day 7 in Period 2. After the discontinuation of nine subjects due to vomiting, the protocol was amended to provide ondansetron as antiemetic prophylaxis to an additional ten enrolled subjects.ResultsTwenty-six subjects were included. Repeated doses of pantoprazole 40 mg resulted in clinically insignificant increases in fedratinib exposure. Maximum plasma concentration increased by 1.09-fold and area under the plasma concentration–time curve from time 0 to infinity increased by 1.15-fold. All treatment-emergent adverse events were mild or moderate, except for one instance of neutropenia, which was considered unrelated to study intervention.ConclusionCoadministration with pantoprazole did not have clinically meaningful effects on fedratinib PK. No new or unexpected safety signals were observed with fedratinib.

PurposeIn the subgroup of patients with Simplified Acute Physiology Score (SAPS) II > 53 in the Stress Ulcer Prophylaxis in Intensive Care Unit (SUP-ICU) trial, there was interaction (P = 0.049) suggesting increased mortality in patients allocated to pantoprazole as compared with placebo. We aimed to explore this further.MethodsThe SUP-ICU trial allocated acutely admitted adults at risk of gastrointestinal bleeding to pantoprazole vs placebo. In this post hoc study, we repeated all the preplanned analyses of SUP-ICU in patients with baseline SAPS II > 53.ResultsA total of 1140 patients had a complete SAPS II > 53 and were included. At 90 days, 272/579 patients (47%) assigned to pantoprazole had died, as compared with 229/558 patients (41%) assigned to placebo [relative risk 1.13; 95% confidence interval (CI) 1.00–1.29]. This was supported by sensitivity analyses adjusted for risk factors and those in the per-protocol population. When accounting for patients with incomplete SAPS II in two additional analyses, the relative risk was 1.08; 95% CI 0.96–1.22 and 1.10; 95% CI 0.97–1.25. This was also observed for the secondary outcome days alive without life support. There were no differences between the intervention groups in the other secondary outcomes.ConclusionsIn this post hoc analysis of patients with high disease severity included in the SUP-ICU trial, we observed higher 90-day mortality and fewer days alive without life support with pantoprazole vs placebo. Some of this may have been explained by missing SAPS II data, but further research is needed to draw firm conclusions.ClinicalTrials.govClinicalTrials.gov No. NCT02467621.