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Septic shock is characterized by a dysregulated host response to infection and is associated with a mortality of 45 to 50%. In this multicenter, randomized, double-blind, placebo-controlled trial in 1241 patients, hydrocortisone plus fludrocortisone reduced 90-day mortality.

Purpose To test whether the polymyxin B hemoperfusion (PMX HP) fiber column reduces mortality and organ failure in peritonitis-induced septic shock (SS) from abdominal infections. Method Prospective, multicenter, randomized controlled trial in 18 French intensive care units from October 2010 to March 2013, enrolling 243 patients with SS within 12 h after emergency surgery for peritonitis related to organ perforation. The PMX HP group received conventional therapy plus two sessions of PMX HP. Primary outcome was mortality on day 28; secondary outcomes were mortality on day 90 and a reduction in the severity of organ failures based on Sequential Organ Failure Assessment (SOFA) scores. Results Primary outcome: day 28 mortality in the PMX HP group ( n  = 119) was 27.7 versus 19.5 % in the conventional group ( n  = 113), p  = 0.14 (OR 1.5872, 95 % CI 0.8583–2.935). Secondary endpoints: mortality rate at day 90 was 33.6 % in PMX-HP versus 24 % in conventional groups, p  = 0.10 (OR 1.6128, 95 % CI 0.9067–2.8685); reduction in SOFA score from day 0 to day 7 was −5 (−11 to 6) in PMX-HP versus −5 (−11 to 9), p  = 0.78. Comparable results were observed in the predefined subgroups (presence of comorbidity; adequacy of surgery, <2 sessions of hemoperfusion) and for SOFA reduction from day 0 to day 3. Conclusion This multicenter randomized controlled study demonstrated a non-significant increase in mortality and no improvement in organ failure with PMX HP treatment compared to conventional treatment of peritonitis-induced SS.

Whether hydrocortisone reduces mortality among patients with septic shock is unclear. Patients with septic shock undergoing mechanical ventilation were assigned to receive an infusion of hydrocortisone or placebo. Hydrocortisone did not result in lower 90-day mortality.

Recent retrospective evidence suggests the efficacy of early norepinephrine administration during resuscitation; however, prospective data to support this assertion are scarce. To conduct a phase II trial evaluating the hypothesis that early low-dose norepinephrine in adults with sepsis with hypotension increases shock control by 6 hours compared with standard care. This single-center, randomized, double-blind, placebo-controlled clinical trial was conducted at Siriraj Hospital, Bangkok, Thailand. The study enrolled 310 adults diagnosed with sepsis with hypotension. The patients were randomly divided into two groups: early norepinephrine (  = 155) and standard treatment (  = 155). The primary outcome was shock control rate (defined as achievement of mean arterial blood pressure ≥65 mm Hg, with urine flow ≥0.5 ml/kg/h for 2 consecutive hours, or decreased serum lactate ≥10% from baseline) by 6 hours after diagnosis. The patients in both groups were well matched in background characteristics and disease severity. Median time from emergency room arrival to norepinephrine administration was significantly shorter in the early norepinephrine group (93 vs. 192 min;  < 0.001). Shock control rate by 6 hours was significantly higher in the early norepinephrine group (118/155 [76.1%] vs. 75/155 [48.4%];  < 0.001). The 28-day mortality was not different between groups: 24/155 (15.5%) in the early norepinephrine group versus 34/155 (21.9%) in the standard treatment group (  = 0.15). The early norepinephrine group was associated with lower incidences of cardiogenic pulmonary edema (22/155 [14.4%] vs. 43/155 [27.7%];  = 0.004) and new-onset arrhythmia (17/155 [11%] vs. 31/155 [20%];  = 0.03). Early norepinephrine was significantly associated with increased shock control by 6 hours. Further studies are needed before this approach is introduced in clinical resuscitation practice. Clinical trial registered with www.clinicaltrials.gov (NCT01945983) (CENSER trial).

There remains uncertainty about the role of corticosteroids in sepsis with clear beneficial effects on shock duration, but conflicting survival effects. Two transcriptomic sepsis response signatures (SRSs) have been identified. SRS1 is relatively immunosuppressed, whereas SRS2 is relatively immunocompetent. We aimed to categorize patients based on SRS endotypes to determine if these profiles influenced response to either norepinephrine or vasopressin, or to corticosteroids in septic shock. A post hoc analysis was performed of a double-blind, randomized clinical trial in septic shock (VANISH [Vasopressin vs. Norepinephrine as Initial Therapy in Septic Shock]). Patients were included within 6 hours of onset of shock and were randomized to receive norepinephrine or vasopressin followed by hydrocortisone or placebo. Genome-wide gene expression profiling was performed and SRS endotype was determined by a previously established model using seven discriminant genes. Samples were available from 176 patients: 83 SRS1 and 93 SRS2. There was no significant interaction between SRS group and vasopressor assignment (P = 0.50). However, there was an interaction between assignment to hydrocortisone or placebo, and SRS endotype (P = 0.02). Hydrocortisone use was associated with increased mortality in those with an SRS2 phenotype (odds ratio = 7.9; 95% confidence interval = 1.6-39.9). Transcriptomic profile at onset of septic shock was associated with response to corticosteroids. Those with the immunocompetent SRS2 endotype had significantly higher mortality when given corticosteroids compared with placebo. Clinical trial registered with www.clinicaltrials.gov (ISRCTN 20769191).

A decade after drotrecogin alfa (activated) (DAA) was released on the market worldwide, its benefit-to-risk ratio remains a matter of debate. The current investigator-led trial was designed to evaluate the efficacy and safety of DAA, in combination with low-dose steroids, in adults with persistent septic shock. This was a multicenter (24 intensive care units), placebo-controlled, double-blind, 2 × 2 factorial design trial in which adults with persistent septic shock and no contraindication to DAA were randomly assigned to DAA alone (24 μg/kg/h for 96 h), hydrocortisone and fludrocortisone alone, their respective combinations, or their respective placebos. Primary outcome was mortality rate on Day 90. On October 25, 2011, the trial was suspended after the withdrawal from the market of DAA. The Scientific Committee decided to continue the trial according to a two parallel group design comparing low-dose steroids with their placebos and to analyze the effects of DAA on patients included before trial suspension. At the time trial was suspended, 411 patients had been recruited, 208 had received DAA, and 203 had received its placebo. There was no significant interaction between DAA and low-dose steroids (P = 0.47). On Day 90, there were 99 deaths (47.6%) among the 208 patients receiving DAA and 94 deaths (46.3%) among the 203 patients receiving placebo (P = 0.79). There was no evidence of a difference between DAA and its placebo for any secondary outcomes or serious adverse events. In adults with established and severe septic shock, DAA showed no evidence of benefit or harm. Clinical trial registered with www.clinicaltrials.gov (NCT00625209).

The efficacy of drotrecogin alpha (activated) (DrotAA) for sepsis has been controversial. In this trial, there was no significant difference in all-cause mortality at 28 or 90 days between adults with sepsis who were treated with DrotAA and those treated with placebo. Recombinant human activated protein C, or drotrecogin alfa (activated) (DrotAA), was approved for the treatment of severe sepsis in 2001 on the basis of the Prospective Recombinant Human Activated Protein C Worldwide Evaluation in Severe Sepsis (PROWESS) study, 1 a phase 3 international, randomized, controlled trial that was stopped early for efficacy after the enrollment of 1690 patients with severe sepsis. Absolute mortality in the intention-to-treat population was reduced by 6.1 percentage points, a relative risk reduction of 19.4%. Subsequent subgroup analysis suggested that the mortality benefit was limited to patients with increased illness severity (i.e., those with more than one . . .

PurposeExcessive tachycardia in resuscitated septic shock patients can impair hemodynamics and worsen patient outcome. We investigated whether heart rate (HR) control can be achieved without increased vasopressor requirements using the titratable highly selective, ultra-short-acting β1-blocker landiolol.MethodsThis randomized, open-label, controlled trial was conducted at 20 sites in 7 European countries from 2018 to 2022 and investigated the efficacy and safety of landiolol in adult patients with septic shock and persistent tachycardia. Patients were randomly assigned to receive either landiolol along with standard treatment (n = 99) or standard treatment alone (n = 101). The combined primary endpoint was HR response (i.e., HR within the range of 80−94 beats per minute) and its maintenance without increasing vasopressor requirements during the first 24 h after treatment start. Key secondary endpoints were 28-day mortality and adverse events.ResultsOut of 196 included septic shock patients, 98 received standard treatment combined with landiolol and 98 standard treatment alone. A significantly larger proportion of patients met the combined primary endpoint in the landiolol group than in the control group (39.8% [39/98] vs. 23.5% [23/98]), with a between-group difference of 16.5% (95% confidence interval [CI]: 3.4–28.8%; p = 0.013). There were no statistically significant differences between study groups in tested secondary outcomes and adverse events.ConclusionThe ultra-short-acting beta-blocker landiolol was effective in reducing and maintaining HR without increasing vasopressor requirements after 24 h in patients with septic shock and persistent tachycardia. There were no differences in adverse events and clinical outcomes such as 28-day mortality vs. standard of care. The results of this study, in the context of previous trials, do not support a treatment strategy of stringent HR reduction (< 95 bpm) in an unselected septic shock population with persistent tachycardia. Further investigations are needed to identify septic shock patient phenotypes that benefit clinically from HR control.

The benefit of adjuvant use of corticosteroids in patients with septic shock remains controversial. In this international, multicenter, double-blind, placebo-controlled trial, adjunctive therapy with hydrocortisone in nearly 500 patients with septic shock was not found to be clinically helpful. This lack of benefit was also found in a subgroup of patients who did not have a response to a corticotropin test. Adjunctive therapy with hydrocortisone in nearly 500 patients with septic shock was not found to be clinically helpful. This lack of benefit was also found in a subgroup of patients who did not have a response to a corticotropin test. Severe sepsis is a major cause of mortality and morbidity worldwide. 1 , 2 Septic shock, the most severe manifestation, occurs in 2 to 20% of inpatients. 3 The incidence of the condition has been rising, 4 and a death rate of 33 to 61% has been reported in the placebo groups of multicenter trials. 5 – 8 The use of corticosteroids as an adjunctive therapy has been controversial for decades. 9 After the study by Schumer, 10 a short course of high-dose corticosteroids became accepted therapy. Subsequent studies, however, did not confirm a survival benefit with this regimen and suggested an increase in superinfection-related mortality. 11 – 13 Studies . . .

In a multicenter trial, 778 patients with septic shock who were being treated with catecholamine vasopressors were randomly assigned to either norepinephrine or vasopressin in addition to open-label vasopressors. There was no significant difference between the two groups in mortality at either 28 or 90 days, nor was there any significant difference in the rate of adverse events. Patients with septic shock were randomly assigned to either norepinephrine or vasopressin in addition to open-label vasopressors. There was no significant difference between the two groups in mortality at either 28 or 90 days. Septic shock is the most common cause of death in intensive care units (ICUs) 1 , 2 and has a mortality rate of 40 to 60%. 2 , 3 Resuscitation strategies include the administration of intravenous fluids and the use of catecholamines such as norepinephrine, epinephrine, dopamine, and dobutamine. 4 , 5 Although largely effective in reestablishing minimally acceptable mean arterial pressures to maintain organ perfusion, catecholamines have important adverse effects and may even increase mortality rates. 6 For example, norepinephrine, a potent and commonly used α-adrenergic agent in cases of septic shock, may decrease cardiac output, oxygen delivery, and blood flow to vulnerable organs despite adequate . . .