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Related Concept Videos

Clinical Trials: Overview01:11

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...
Clinical Trials01:16

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...
Preclinical Development: Overview01:28

Preclinical Development: Overview

Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Observational Studies01:11

Observational Studies

Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

Bioavailability Study Design: Single Versus Multiple Dose Studies

Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...

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Updated: Jun 4, 2026

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

Published on: January 16, 2019

Clinical studies : an overview.

F A Riordan1, A J Pollard

  • 1Department of Child Health, Birmingham Heartlands Hospital, Birmingham, UK.

Methods in Molecular Medicine
|February 22, 2011
PubMed
Summary
This summary is machine-generated.

Meningococcal disease, caused by Neisseria meningitidis, remains a significant global health issue, particularly affecting children. Despite advances, mortality rates are high, driving research into understanding the disease

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Area of Science:

  • Microbiology
  • Epidemiology
  • Infectious Diseases

Background:

  • Neisseria meningitidis causes meningococcal disease, a global health concern with endemic and epidemic occurrences.
  • The disease disproportionately affects children and exhibits high mortality rates, persisting despite medical advancements.
  • Recent reports indicate rising endemic levels in various regions, including the UK, New Zealand, and the Pacific Northwest.

Purpose of the Study:

  • To investigate the pathophysiology of meningococcal disease.
  • To leverage pathophysiological understanding for improved treatment strategies.
  • To develop novel therapeutic approaches for meningococcal infections.

Main Methods:

  • Pathophysiological studies of Neisseria meningitidis infections.
  • Analysis of epidemiological data from affected regions.
  • Review of current treatment efficacy and limitations.

Main Results:

  • Meningococcal disease presents a persistent global health challenge.
  • High mortality rates underscore the need for improved interventions.
  • Understanding disease mechanisms is crucial for therapeutic development.

Conclusions:

  • Further research into Neisseria meningitidis pathophysiology is essential.
  • Novel therapies are needed to reduce the high mortality associated with meningococcal disease.
  • Targeted interventions based on disease mechanisms may improve patient outcomes.