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Related Concept Videos

Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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...
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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Related Experiment Video

Updated: Jun 20, 2026

Preclinical Positron Emission Tomography with Body Conforming Animal Molds for Cloud-Based Automated Image Analysis in Mice
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Molecular imaging in clinical trials.

Debra Josephs1, James Spicer, Michael O'Doherty

  • 1Department of Medical Oncology, Guy's and St Thomas' Hospital, London, UK.

Targeted Oncology
|September 22, 2009
PubMed
Summary

Molecular imaging, including positron emission tomography (PET), aids in understanding new therapy effectiveness and cancer biology. This technique optimizes early clinical trials by providing crucial efficacy and mechanism of action data.

Area of Science:

  • Biomedical imaging
  • Cancer biology
  • Therapeutic development

Background:

  • Molecular imaging visualizes biological processes using probes.
  • Modalities include SPECT, PET, MRI, and optical techniques.
  • It explores cancer hallmarks like angiogenesis and proliferation.

Purpose of the Study:

  • To highlight the role of molecular imaging in exploring cancer biology.
  • To demonstrate its utility in assessing new therapy mechanisms and efficacy.
  • To emphasize its potential in optimizing early-phase clinical trials.

Main Methods:

  • Utilizing various molecular imaging modalities (SPECT, PET, MRI, optical).
  • Applying imaging to study cancer hallmarks targeted by novel therapies.
  • Leveraging novel chemistry and isotope properties, especially for PET.

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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
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Main Results:

  • Molecular imaging provides evidence for efficacy and mechanism of action.
  • PET imaging is particularly suitable for functional assessment in clinical trials.
  • Optimized trial design can maximize evidence collection.

Conclusions:

  • Molecular imaging is crucial for evaluating new cancer therapies.
  • PET imaging offers significant advantages for functional assessment in clinical trials.
  • This approach enhances the efficiency and evidence base of drug development.