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224 active trials for Critical Illness

Propranolol as an Anxiolytic to Reduce the Use of Sedatives From Critically-ill Adults Receiving Mechanical Ventilation

The COVID-19 pandemic has led to shortages of intravenous sedatives due to increased ICU patient admissions and greater use of mechanical ventilation. A shortage of sedatives is as concerning as a shortage of mechanical ventilators since critically ill patients require sedation for comfort and to tolerate mechanical ventilation. Anti-adrenergic medications are increasingly recognized for their role in sedation of critically ill patients. Propranolol is a plentiful and inexpensive, non-selective beta-adrenergic blocker with good penetration of the blood-brain barrier, which can reduce agitation and arousal. The study team published a single-centre retrospective study of 64 mechanically-ventilated patients which found the initiation of propranolol was associated with an 86% reduction in propofol dose and a roughly 50% reduction in midazolam dose while maintaining the same level of sedation. Propranolol has the potential to mitigate the threat posed by worldwide sedative shortages and improve critical care management of patients who require mechanical ventilation. This study seeks to evaluate whether the addition of propranolol to a standard sedation regimen reduces the dose of sedative needed in critically ill patients requiring mechanical ventilation. This study is an open-label randomized controlled trial, single-blinded with 1:1 allocation. Both arms will receive sedation according to usual intensive care unit practice with a sedative agent. The intervention arm will additionally receive enteral propranolol 20-60mg q6h titrated up over 24-48h until intravenous sedative doses have fallen to a minimal level (propofol <0.5mg/kg/h or midazolam <0.5mg/h) or the maximum dose of propranolol is reached. Intravenous sedative doses will be titrated downwards in response to sympatholysis produced by the propranolol, as evidenced by a decreasing heart rate or blood pressure. The control arm will receive sedation without the addition or propranolol. The primary outcome will be the change in primary sedative dose from baseline to Day 3 of enrollment. Analysis of the primary outcome will be a difference in differences; the change in sedative dose from baseline to Day 3 in the intervention group versus the same change in the control group. The Mann-Whitney U test will be used as a nonparametric test of independent samples for this outcome.

Start: December 2020
Taiwan Center of Outcome and Resource Evaluation

The main purpose of this proposal is to build a multicenter de-identification adult intensive care units database in Taiwan. In future, the Joint Data Management Committee and investigators can use the data for evaluation of outcome of critical care, evaluation of medical resource, quality improvement, annual report, education and training, and critical care research. Center of Outcome and Resource Evaluation (CORE) Adult Patient Database of Australian and New Zealand Intensive Care Society (ANZICS) was founded in 1992. More than 160 intensive care units in Australia and New Zealand contribute the data into this database. This database provides medical information to Australia and New Zealand government for critical care policy making and quality improvement. The primary aim of this proposal is to build a multicenter de-identification adult intensive care units database by mutual collaboration of multiple hospitals in Taiwan. This database will include the de-identification data accruing to the regulation of Health Insurance Portability and Accountability Act (HIPAA) of United States of America from each hospital. The data can be used to help the government and critical care societies evaluate the clinical outcomes of critical care. Furthermore, this data can help to effectively allocate the medical resource, improve quality, conduct multicenter registry-based clinical research, and publish high quality research. Hope to assist Taiwan and the world to improve critical care quality.

Start: July 2021
Conservative Versus Conventional Oxygen Administration in Critically Ill Patients

Oxygen supplementation in the inspired mixture is commonly used in critically ill patients and observational studies highlight that those patients remain hyperoxemic for substantial periods during Intensive Care Unit stay. However, exposure to inhaled oxygen-enriched mixtures is widely recognized as potentially harmful and cause of organ damage. Although, the specific level of arterial oxygen partial pressure (PaO2) considered harmful, or the dangerous duration of hyperoxia, is not determined yet as there are no clinical trials on humans that evaluate the appropriate percentage of oxygen considered safe to maintain an adequate tissue oxygen availability. The study is designed as a multicentre, open-label, two parallel groups, randomized superiority clinical trial. The study will involve 10 European intensive care units and will recruit adult critically ill patients requiring mechanical ventilation with an expected length of stay of more than 72 hours admitted to the Intensive Care Unit. Within the conventional group, participants will receive an inspired oxygen fraction (FiO2) aiming to maintain an oxygen saturation by pulse oximetry (SpO2) equal or major than 98 percentage, accepting an upper limit of PaO2 of 150 mmHg and a lower limit of 60 mmHg. Patients in the conservative group will receive the lowest FiO2 to maintain SpO2 between 94 and 98 percentage, or when available a PaO2 between 60 mmHg and 100 mmHg. The primary objective of this study is to verify the hypothesis that strict maintenance of normoxia improves survival in a wide population of mechanically ventilated critically ill patients compared to the application of conventional more liberal strategies of oxygen administration. Survival will be measured at Intensive Care Unit discharge. The confirmation of the efficacy of a conservative strategy for oxygen administration in reducing the mortality rate among critically ill patients will lead to a profound revision of the current clinical practice and a rationale revision of the current recommendations would be mandatory, maybe also in other clinical scenarios such as emergency departments.

Start: December 2019