July 13, 2017 – The South-East Netherlands Proton Therapy Centre (ZON-PTC), located in Maastricht, has selected RayStation as its treatment planning system following an extensive evaluation of the leading software systems. Scheduled to open by early 2019, the new center will have a single-room setup utilizing the MEVION S250i Proton Therapy System with HYPERSCAN technology.
Maria Jacobs, CEO of ZON-PTC and MAASTRO Clinic, says: “The initiative will enable patients in the Netherlands and beyond to benefit from this highly precise form of treatment. Our approach also demonstrates that technological innovation can be cost-effective. RayStation is an important aspect in this, combining advanced clinical functionality with an outstanding user experience to ensure smooth and efficient workflows.”
The RayStation configuration will include pencil beam scanning, deformable registration, dose tracking, contouring and the full module for adaptive therapy. ZON-PTC is a joint undertaking between MAASTRO clinic and the Maastricht University Medical Centre (Maastricht UMC+). The state-of-the-art facility will deliver the benefits of proton therapy to patients across the southeast region of the Netherlands and will also be a referral site for hospitals across the country. The center expects to treat up to 400 patients per year.

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Geert Bosmans, Head of Clinical Proton Physics at ZON-PTC, says: “RayStation is the most advanced treatment planning system available and will give us wide-ranging clinical possibilities. ZON-PTC will be one of the first centers worldwide to combine RayStation and Mevion’s HYPERSCAN, and we look forward to collaborating on the implementation of all functionalities, including Adaptive Aperture. Fast calculation speed makes RayStation ideal when planning for complex cases, and it has the capabilities we need for efficient adaptive therapy, which is one of our priorities.
Johan Löf, CEO of RaySearch, says: “RaySearch has a strong focus on proton therapy and we have designed RayStation to meet the demands of pioneering centers such as ZON-PTC. I am very pleased to support this outstanding collaboration, which will help to improve quality of life for many cancer patients.”
About ZON-PTC
The Southeast Netherlands Proton Therapy Center (ZON-PTC) is an initiative of MAASTRO Clinic and Maastricht UMC+. MAASTRO Clinic is a leading institute offering conventional radiation therapy with photons. Maastricht UMC+ is known both nationally and internationally for its focus on prevention and integrated approach to health care. ZON-PTC will benefit from the knowledge and expertise of both institutions and will share existing facilities.