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Clinical Trial Summary

The impact of lactate guided therapy on septic shock has not been extensively investigated, however the goal directed therapy has been used for years. The investigators aim was to test the hypothesis that lactate directed hemodynamic therapy is associated with improving the outcome of patients with septic shock by comparing different goal directed strategies which have been commonly recommended clinically.

In this multicenter, randomized trial, the investigators assigned patients with septic shock to three groups: Patients were treated with hemodynamic therapy directed either by conventional parameters treatment (control group), or central venous oxygen saturation (ScvO2), or blood lactate respectively in each group. The primary outcome was the rate of death at 28 days after randomization and in-hospital mortality; secondary end points include hemodynamic states, time to goal-achievement.


Clinical Trial Description

This prospective, randomized, controlled and multi-center study was performed in 6 closed intensive care units (ICU) of academic tertiary hospitals. Adult patients with septic shock admitted to the hospitals from 2005 to 2008 were assigned to the study eligibility. Eligible patients were centrally randomized using sealed envelopes into one of the three groups which included lactate, ScvO2, and control groups. The criteria of septic shock included two of four criteria for the systemic inflammatory response syndrome and systolic blood pressure lower than 90 mmHg or decrease of systolic blood pressure more than 40 mmHg after fluid challenge and the clinical signs of tissue hypoperfusion, including oliguria, blood lactate concentration of 4 mmol/L or more and consciousness alteration. The patients were excluded if they meet any one of follows: an age of less than 18 years, pregnancy, an acute cerebral vascular event (Glasgow coma score < 5), acute myocardial infarction or acute coronary syndrome, massive pulmonary embolism, status asthmaticus, a primary diagnosed cardiac dysrhythmias, contraindication to central venous catheterization, active gastrointestinal hemorrhage, massive intraabdominal infective focus without drainage, severe bronchopleural fistula, seizure, during chemotherapy or immunosuppressive therapy, or end stage of the diseases.

The protocol was approved by Institutional Ethics Committee. The informed consents were obtained from all patients or their legally authorized next of kin. The patients or their legal surrogate decision makers were informed of their right to refuse the study procedures at any time during the protocols were performed.

The case report forms (CRF) were sent to each site from the principal investigator with the protocols, which were randomly sealed in a serial of envelopes. After patients' enrollment, the CRFs were filled by the attending physicians at each site according to the protocol of each group. End points were 28-day mortality and in-hospital mortality until 90 days. The demographic data, acute physiological and chronic evaluation score (APACHE) II and other data from patients' basic condition were recorded at enrollment day. The protocol related data were collected at baseline and each hour for 6 hours and then at 12, 24, 36, 48, 60, 72 hours. The ICU and hospital length of stay were also noted and patients were followed up to day 28 and discharge from hospital for mortality. The protocol implementation and data collection stopped when patients or their families wished to withdraw from the program or refuse further treatment or a patient's death. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01310790
Study type Interventional
Source Chinese Septic Shock Network
Contact
Status Completed
Phase Phase 4
Start date October 2006
Completion date October 2009

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