A new adaptive design based on Simon's two-stage optimal design for phase II clinical trials

Related Experiment Video

Updated: May 20, 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

Hua Jin1, Zhen Wei

  • 1School of Mathematical Sciences, South China Normal University, 510631, PR China. jinh1@163.com

Contemporary Clinical Trials
|July 10, 2012
PubMed

Insights

This study introduces a novel adaptive two-stage design for phase II clinical trials in cancer research. The new design offers improved flexibility and decision-making compared to existing methods, enhancing cancer drug development.

Area of Science:

  • Clinical Trials Methodology
  • Biostatistics
  • Cancer Therapeutics

Background:

  • Phase II clinical trials assess promising cancer treatments before larger studies.
  • Early termination of trials is crucial for ethical and practical reasons.
  • Simon's two-stage designs are standard for phase II cancer trials.

Purpose of the Study:

  • To propose a new adaptive two-stage design for phase II cancer trials.
  • To improve upon existing adaptive designs like Banerjee and Tsiatis' (2006).
  • To incorporate conditional type I error and conditional power constraints.

Main Methods:

  • Building upon Simon's optimal two-stage design.
  • Developing a new adaptive design contingent on first-stage results.
  • Comparing the proposed design with Banerjee and Tsiatis' adaptive design.

Main Results:

  • The proposed adaptive design offers a novel approach to sample size adjustment in phase II trials.
  • Demonstrates a more intuitive sample size behavior compared to Banerjee and Tsiatis' design.
  • Provides a framework for balancing trial efficiency and statistical rigor.

Conclusions:

  • The new adaptive design enhances flexibility in phase II clinical trials.
  • Offers a valuable alternative for optimizing cancer drug development pathways.
  • Further research can explore its application in various oncological settings.

More Related Videos

A Workflow for Lipid Nanoparticle (LNP) Formulation Optimization using Designed Mixture-Process Experiments and Self-Validated Ensemble Models (SVEM)13:54

A Workflow for Lipid Nanoparticle (LNP) Formulation Optimization using Designed Mixture-Process Experiments and Self-Validated Ensemble Models (SVEM)

Published on: August 18, 2023

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...
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...
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...
Crossover Experiments01:16

Crossover Experiments

Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
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...
Dosage Regimens: Designs and Approaches01:28

Dosage Regimens: Designs and Approaches

Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...