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Related Concept Videos

Randomized Experiments01:13

Randomized Experiments

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs01:20

Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs

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 subjects...
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs01:15

Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs

Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
Blinding01:11

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
Pharmacokinetic–Pharmacodynamic Relationship: Problems01:24

Pharmacokinetic–Pharmacodynamic Relationship: Problems

The empirical approach to drug therapy optimization relies on correlating pharmacological response with administered dosage. Such an approach can be costly, time-consuming, and often yields poor correlation due to variables like formulation factors and drug elimination characteristics. A more precise approach correlates response with plasma drug concentration or the amount of drug in the body, rather than dosage. This is achieved through pharmacokinetic-pharmacodynamic (PK/PD) modeling, which...
Methods of Medium Optimization01:28

Methods of Medium Optimization

Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...

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Related Experiment Video

Updated: May 19, 2026

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
04:53

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition

Published on: September 20, 2019

Logistical Challenges in Platform Randomized Trials - Operational Realities That Curb the Promise of Efficiency.

Kristian Thorlund1,2, Jay J H Park1,3, Matt P Wise4

  • 1Department Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada.

Clinical Epidemiology
|May 18, 2026
PubMed
Summary

Platform randomized trials require significant investment and complex management. A phased "trial-to-platform" approach can improve efficiency and sustainability for these adaptive clinical trials.

Keywords:
clinical trial logistics: trial-to-platform approachplatform trialsprotocol adaptations

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Area of Science:

  • Clinical Trials Methodology
  • Biostatistics
  • Health Services Research

Background:

  • Platform randomized trials offer flexibility for evaluating multiple therapies using shared infrastructure.
  • However, their implementation faces significant logistical and operational hurdles.

Purpose of the Study:

  • To examine key features impacting platform trial feasibility and efficiency: infrastructure costs, site management, and adaptation to evolving clinical practices.
  • To propose a "trial-to-platform" approach to mitigate challenges and enhance sustainability.

Main Methods:

  • Analysis of logistical and operational challenges in platform trial design.
  • Description of a phased strategy transitioning from conventional multicenter trials to platform trials.

Main Results:

  • Platform trials necessitate substantial upfront investment, complex governance, and continuous retraining.
  • Site heterogeneity and evolving standards of care complicate comparability and implementation.
  • The proposed trial-to-platform approach facilitates early learning and harmonization, reducing inefficiency.

Conclusions:

  • Platform trial success hinges on sustained resourcing, harmonization, site dedication, and robust training.
  • A phased trial-to-platform strategy offers a practical solution for scalable, reproducible, and sustainable platform trials.