Related Experiment Video
Updated: Apr 30, 2026

Harnessing the Bioorthogonal Inverse Electron Demand Diels-Alder Cycloaddition for Pretargeted PET Imaging
Published on: February 3, 2015
Bioorthogonal chemistry: implications for pretargeted nuclear (PET/SPECT) imaging and therapy
James C Knight1, Bart Cornelissen1
1CR-UK/MRC Gray Institute for Radiation Oncology and Biology, University of Oxford Oxford, OX3 7LJ, United Kingdom ; Radiobiology Research Institute, Churchill Hospital Oxford, OX3 7LJ, United Kingdom.
Bioorthogonal chemistry reactions offer rapid, selective methods for radiopharmaceutical development and cancer imaging. This approach shows promise for improved cancer therapy and diagnostics with reduced radiation exposure.
Area of Science:
- Radiopharmaceutical chemistry
- Bioorthogonal chemistry
- Cancer imaging and therapy
Background:
- Bioorthogonal chemistry reactions are gaining traction in the radiopharmaceutical field due to their speed and selectivity.
- These reactions are valuable for creating novel radiopharmaceuticals and for bioconjugation.
- Emerging applications include in vivo pretargeting strategies for cancer treatment and imaging.
Purpose of the Study:
- To review the potential of various bioorthogonal chemistry reactions for pretargeting in cancer imaging and therapy.
- To highlight how these reactions can improve image quality, therapeutic index, and reduce radiation dose to non-target tissues.
Main Methods:
- Review of current literature on bioorthogonal chemistry applications in radiopharmaceuticals.
- Focus on in vivo pretargeting strategies utilizing bioorthogonal reactions.
- Analysis of the potential benefits for cancer diagnostics and therapeutics.
Main Results:
- Bioorthogonal reactions demonstrate significant utility in radiopharmaceutical construction and bioconjugation.
- In vivo pretargeting strategies using these reactions are emerging for cancer applications.
- Successful implementation could enhance image quality and therapeutic efficacy while minimizing off-target radiation.
Conclusions:
- Bioorthogonal chemistry holds substantial promise for advancing cancer pretargeting strategies.
- This approach offers a pathway to improved cancer imaging and therapy with enhanced safety profiles.
- Further research into various bioorthogonal reactions is warranted for successful clinical translation.
Related Concept Videos
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Positron Emission Tomography
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...

