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Clinical Trials

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...

Clinical Trials: Overview

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...

Heart Failure VI: Adjunct Therapies

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...

Acute Respiratory Failure-V

Acute Respiratory Failure-V

The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...

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Related Experiment Video

Updated: Jun 19, 2026

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Published on: January 16, 2019

Improving clinical trials in the critically ill.

Derek C Angus¹, Jean-Paul Mira, Jean-Louis Vincent

¹CRISMA Laboratory, Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.

Critical Care Medicine

|October 24, 2009

Summary

This summary is machine-generated.

Improving clinical trials in critical care requires a multistep approach, from enhanced preclinical research to advanced trial methodologies and technology integration. Collaboration and broader endpoints are key for better patient outcomes.

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Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

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Published on: September 20, 2019

Area of Science:

Critical care medicine
Clinical trial methodology
Translational research

Background:

Clinical trials in intensive care settings face challenges in translating research findings into practice.
Existing trial designs and infrastructure may not fully capture the complexity of critical illness.

Purpose of the Study:

To identify and propose actionable strategies for enhancing the quality and impact of clinical trials in critical care.
To foster consensus on key areas for improvement among international experts.

Main Methods:

Convened an international roundtable conference involving experts in critical care and clinical research.
Focused discussions on three core areas: knowledge translation, trial design/conduct, and infrastructure/environment.

Main Results:

Recommendations emphasize a multistep improvement process, starting with robust preclinical studies and refined clinical trial methodology.
Advocated for leveraging new technologies to improve critical illness models and utilizing diseasomes/theragnostics for targeted interventions.
Proposed expanding study endpoints to include morbidity alongside mortality and increasing the number of multicenter studies through networks.
Highlighted the need for enhanced collaboration between academic research and the pharmaceutical industry.

Conclusions:

Participants reached broad consensus on specific opportunities to advance clinical trials in critical care.
The proposed strategies aim to accelerate the translation of scientific discoveries into improved patient care for critically ill individuals.