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Related Concept Videos

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...
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...
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...
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.
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...

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Updated: May 17, 2026

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials
08:36

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials

Published on: April 19, 2024

Randomized controlled trials and comparative effectiveness research.

Olwen M Hahn1, Richard L Schilsky

  • 1The University of Chicago, Chicago, IL 60637-1470, USA.

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
|October 17, 2012
PubMed
Summary
This summary is machine-generated.

Comparative effectiveness research (CER) uses randomized controlled trials (RCTs) to bridge the gap between clinical research and practice, aiming for cost-effective healthcare. Publicly funded trials are key to achieving CER goals in oncology.

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Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index
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Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

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Last Updated: May 17, 2026

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials
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Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index
06:55

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Area of Science:

  • Health Services Research
  • Clinical Trials
  • Oncology

Background:

  • Comparative Effectiveness Research (CER) aims to improve healthcare translation and cost-effectiveness.
  • CER receives significant US government funding for health research.
  • Oncology has a strong history of using Randomized Controlled Trials (RCTs) to advance patient outcomes.

Purpose of the Study:

  • To review the role of RCTs in achieving CER goals.
  • To emphasize the importance of publicly funded clinical trials within CER.
  • To explore how RCTs facilitate evidence-based practice in healthcare.

Main Methods:

  • Literature review focusing on CER and RCTs in oncology.
  • Analysis of the contribution of publicly funded clinical trials.
  • Examination of the translation gap in clinical research.

Main Results:

  • RCTs are crucial for CER's objective of improving healthcare delivery.
  • Publicly funded clinical trials play a significant role in advancing CER.
  • CER, supported by RCTs, can enhance cost-effectiveness in healthcare.

Conclusions:

  • RCTs are essential tools for Comparative Effectiveness Research.
  • Publicly funded clinical trials are vital for realizing the potential of CER in oncology.
  • Integrating CER principles can lead to more efficient and effective healthcare systems.