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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.
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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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Albert Bandura's theory of observational learning identifies four critical processes: attention, retention, motor reproduction, and reinforcement or motivation.
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In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
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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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In Silico Clinical Trials for Cardiovascular Disease
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Two-step recruitment process optimizes retention in FLEX clinical trial.

Debra A Standiford1, Nancy Morwessel1, Franziska K Bishop2

  • 1Cincinnati Children's Hospital Medical Center, University of Cincinnati Medical School, Cincinnati, OH, United States.

Contemporary Clinical Trials Communications
|October 9, 2018
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Summary

A two-step recruitment process for adolescents with type 1 diabetes improved study retention. This method, while lowering initial recruitment, ensured participants were committed, leading to reliable trial results.

Keywords:
AdolescentRandomized controlled trialRecruitmentRetentionType 1 diabetes

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Area of Science:

  • Endocrinology
  • Behavioral Science
  • Clinical Trials

Background:

  • The Flexible Lifestyle Empowering Change Study (FLEX) is a multi-site randomized controlled trial investigating an adaptive behavioral intervention for adolescents with type 1 diabetes mellitus.
  • The study aims to enhance self-management and improve glycemic control in this population.

Purpose of the Study:

  • To evaluate the efficacy of a novel two-step recruitment strategy designed to optimize participant retention in a clinical trial.
  • To assess the impact of this recruitment method on informed decision-making and commitment to study requirements.

Main Methods:

  • A two-step recruitment process was implemented: initial expression of interest followed by detailed information and barrier exploration via telephone calls.
  • This process preceded the decision regarding study enrollment for eligible adolescents and their parents.

Main Results:

  • Out of 694 eligible adolescents, 397 (57.2%) initially expressed interest (Step 1).
  • Following detailed discussions, 276 (39.8%) agreed to participate, and 258 (37.2%) enrolled.
  • The study achieved a high end-of-study retention rate of 93.4%, with only 4.7% of families withdrawing.

Conclusions:

  • The two-step recruitment process effectively encourages thoughtful evaluation of participation willingness and commitment.
  • Prioritizing retention rates over initial recruitment rates in randomized controlled trials is beneficial for data reliability.
  • The investment in this detailed recruitment process is justified by the high retention and confidence in study outcomes.