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Related Concept Videos

Clinical Trials01:16

Clinical Trials

10.1K
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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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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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,...
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Blinding01:11

Blinding

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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.
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Comparing the Survival Analysis of Two or More Groups01:20

Comparing the Survival Analysis of Two or More Groups

548
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
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Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

1.4K
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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Updated: Jan 12, 2026

An R-Based Landscape Validation of a Competing Risk Model
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Forecasting clinical trial success using anonymized external expert panels.

Frank S David1, R Edward Benson2, Mark Gordon2

  • 1Pharmagellan LLC, Milton, MA 02186, USA; Department of Biology, Tufts University, Medford, MA 02155, USA.

Drug Discovery Today
|November 3, 2025
PubMed
Summary

Forecasting clinical trial success is crucial for drug developers and investors. An innovative approach using external expert panels offers a promising, accurate, and unbiased method for predicting trial outcomes.

Keywords:
decision makingdevelopmentnet present valueprobability of success

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Area of Science:

  • Drug development and clinical trial management
  • Biostatistics and predictive modeling
  • Pharmaceutical investment and risk assessment

Background:

  • Accurate prediction of clinical trial probability of success (POS) is vital for drug developers and financial investors.
  • Existing POS forecasting methods used by pharmaceutical companies often struggle with accuracy, bias, and scalability.
  • There is a need for improved, reliable methods to forecast clinical trial outcomes.

Purpose of the Study:

  • To introduce and evaluate a novel approach for forecasting the probability of success (POS) in clinical trials.
  • To address the limitations of current POS prediction methods in terms of accuracy, bias, and scalability.
  • To present a broadly applicable solution for trial-specific POS forecasting.

Main Methods:

  • Development and implementation of a framework utilizing external expert panels for POS forecasting.
  • Systematic evaluation of the expert panel approach against established criteria for accuracy, bias, and scalability.
  • Application of the method across diverse clinical trial scenarios and therapeutic areas.

Main Results:

  • The external expert panel approach demonstrated significant promise in improving POS forecast accuracy.
  • The proposed method showed enhanced freedom from bias compared to traditional techniques.
  • The approach proved to be scalable, adaptable to various stakeholders and trial types.

Conclusions:

  • External expert panels offer a viable and effective alternative for predicting clinical trial success.
  • This method addresses key challenges in current POS forecasting, enhancing reliability for decision-making.
  • The approach has broad applicability for stakeholders involved in clinical trial development and investment.