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Related Concept Videos

Clinical Trials01:16

Clinical Trials

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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...
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Clinical Trials: Overview01:11

Clinical Trials: Overview

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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...
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Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs01:20

Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs

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Body:Bioequivalence experimental study designs are crucial methodologies used in evaluating and comparing the bioavailability of different drug products. These designs are categorized into various types: completely randomized, randomized block, repeated measures, cross and carry-over, and Latin square designs.Completely randomized designs involve randomly allocating treatments to all subjects participating in the experiment. This allocation is achieved by assigning unique random numbers to...
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Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

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Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
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Group Design02:01

Group Design

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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Trial and Error and Algorithm01:12

Trial and Error and Algorithm

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A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
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Design of the BEST-II Randomized Clinical Trial.

Eva A Mistry1, Kimberly Hart2, Taylor Davis3

  • 1Department of Neurology and Rehabilitation Medicine University of Cincinnati Cincinnati OH.

Stroke (Hoboken, N.J.)
|January 26, 2026
PubMed
Summary
This summary is machine-generated.

The Blood Pressure After Endovascular Stroke Therapy-II (BEST-II) trial investigates lower systolic blood pressure targets after stroke treatment. Results will guide future research on safe and effective blood pressure management post-endovascular therapy.

Keywords:
blood pressureendovascular treatmenthypertensionischemic strokestrokethrombectomy

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Area of Science:

  • Neurology
  • Cardiology
  • Clinical Trials

Background:

  • Observational studies suggest lower systolic blood pressure (SBP) post-endovascular treatment (EVT) correlates with better outcomes in acute ischemic stroke patients.
  • However, the safety and efficacy of targeting SBP below the guideline-recommended 180 mm Hg remain unconfirmed.

Purpose of the Study:

  • To compare the safety of lower versus higher SBP targets in patients who have undergone successful EVT.
  • To inform the design and estimate the success probability of a future Phase 3 trial.

Main Methods:

  • The BEST-II trial is a randomized, open-label, phase 2 trial involving 120 patients with acute ischemic stroke.
  • Patients with successful EVT will be randomized to SBP targets of ≤180, <160, or <140 mm Hg for 24 hours, managed with nicardipine.
  • Primary outcomes include final infarct volume and utility-weighted modified Rankin Scale score at 90 days.

Main Results:

  • Enrollment began in January 2020, with 90 patients enrolled by October 2021.
  • The trial is progressing ahead of schedule, with anticipated completion before January 2023.

Conclusions:

  • The BEST-II trial will provide crucial data on the safety of lower SBP targets post-EVT for acute ischemic stroke.
  • Findings will demonstrate the feasibility of achieving these targets and conducting further efficacy trials, even amidst the COVID-19 pandemic.