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Paul Scherrer Institut (PSI) Paul Scherrer Institut (PSI)

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Center for Proton Therapy (CPT)

  • Proton Therapy at PSI Expanded submenu item
    • Protons and their Properties
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Proton Therapy at PSI

The goal of radiation therapy at PSI is the destruction of tumor tissues with charged particles; in this case with protons. Protons are especially effective for this purpose, because they release their greatest energy in the depths of the body, within the tumor itself.



Number of patients

Since 1984 more than 7400 patients with ocular melanomas have been treated at PSI. This places PSI among the centers with the largest experience with treatment of this rare disease worldwide. Since 1996 more than 1700 patients from all over Europe have been treated at our Gantrys, of which more than 600 were children or adolescents at the time. These patients were suffering from brain, skull-base or spinal cord tumors, or sarcomas.




History

Gantry 2 during installation and calibration
Gantry 2 during installation and calibration
The success of the ocular proton therapy and the spot-scanning technique developed at PSI for deep-seated tumors have generated great international interest. Therefore, in 1998 the directorate of the institute began developing strategies to extend the scope of proton therapy at PSI. It was decided to support further research and development towards transforming the institute's innovative technologies, under collaboration with industrial partners, into a marketable product (PROSCAN Project). Within the framework of PROSCAN, a new accelerator designed specifically for medical applications, the so-called COMET cyclotron, was installed. This superconductive 250 MV cyclotron fulfilled PSI's rigorous specifications and since its launch in 2007 has enabled the year-round operation of the treatment center. Based on the further development of Gantry 1, the new Gantry 2 is fitted with more advanced options and began treating patients in November 2013. The ultrafast scanning technology developed by PSI for Gantry 2 further enhances the technological lead of PSI in proton therapy. A third Gantry with the technical features and performance similar to Gantry 2 started patient operation in July 2018.




The continuous advancement in proton therapy has been funded by PSI itself, by sponsors and benefactors, as well as by technology transfer licenses from industry. PSI specialists put their long years of technical and clinical experience into further practice by advising clinics during their specification and purchasing phases and during the installation and operation of proton therapy facilities. As a leader in R&D of proton therapy technology, PSI also provides advanced training and education in all areas of proton therapy. Meanwhile, the PSI team has gained over 30 years of experience in tumor treatment with proton therapy.

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Contact

Paul Scherrer Institute
Center for Proton Therapy
5232 Villigen PSI West, Switzerland
Reception PSI West

For any questions please refer to our secretary's office:
Tel: +41 56 310 35 24
Fax: +41 56 310 35 15
E-mail: protonentherapie@psi.ch

Head and Chairman:
Prof. Dr. med.
Damien Charles Weber

Protons for Children

Especially children can profit from treatment with protons

  • further information

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Directions to PSI

How to get to the Paul Scherrer Institute (description and map)


Open positions

Current openings at the Center for Proton Therapy.

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