Related Experiment Video
Updated: Jul 6, 2026

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index
Published on: January 8, 2020
Randomized controlled trials in health technology assessment: overkill or overdue?
1Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792, USA. bentzen@humonc.wise.edu
Randomized controlled trials are crucial for radiation oncology advancements. However, process measures are more sensitive than clinical outcomes for evaluating new health technologies like intensity modulated photon vs. proton radiotherapy.
Area of Science:
- Radiation Oncology
- Evidence-Based Medicine
- Health Technology Assessment
Background:
- Evidence-based medicine (EBM) is integral to radiation oncology.
- Randomized controlled trials (RCTs) are the gold standard for comparing therapies.
- Assessing health technologies requires robust methodologies.
Purpose of the Study:
- To evaluate the role of process measures versus clinical outcomes in assessing health technologies.
- To illustrate concepts using the intensity modulated photon vs. proton radiotherapy debate.
- To discuss equipoise and health economics in technology assessment.
Main Methods:
- Critically assessed the utility of clinical outcome measures in detecting quality improvements.
- Examined process measures and operational characteristics for health technology evaluation.
- Utilized the intensity modulated photon vs. proton radiotherapy comparison as a case study.
Main Results:
- Clinical outcome measures have low sensitivity and specificity for detecting quality improvements in health technologies.
- Process measures and operational characteristics are more effective for evaluating treatment quality.
- RCTs, while valuable, may need complementary methods for technology assessment.
Conclusions:
- Radiation oncology needs enhanced methodologies beyond traditional RCTs for health technology assessment.
- Process measures are vital for evaluating quality improvements in radiotherapy.
- Further development in critical assessment methodology is essential for radiation oncology researchers.
Related Concept Videos
Randomized Experiments
Simple randomization
Simple...
Clinical Trials
There are four phases in a clinical trial. A phase one...
Blinding
Clinical Trials: Overview
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Hazard Ratio
For example, in a clinical trial evaluating a...