Name: PSI Winter School for Proton Therapy 2026
Start: 2026-01-18T18:00:00+01:00
End: 2026-01-23T20:30:00+01:00
Location: Paul Scherrer Institute

PSI Winter School for Proton Therapy 2026

from Sunday, January 18, 2026 (6:00 PM) to Friday, January 23, 2026 (8:30 PM)

Monday, January 12, 2026
Tuesday, January 13, 2026
Wednesday, January 14, 2026
Thursday, January 15, 2026
Friday, January 16, 2026
Saturday, January 17, 2026
Sunday, January 18, 2026

6:00 PM Enjoy the finger food and drinks
Enjoy the finger food and drinks
6:00 PM - 9:00 PM

Registration - and pictures to look at
Registration - and pictures to look at
6:00 PM - 8:00 PM
Dry run if requested.

8:00 PM Time at your convenience - you may enjoy the thermal baths
Time at your convenience - you may enjoy the thermal baths
8:00 PM - 10:00 PM

Monday, January 19, 2026

8:30 AM Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
8:30 AM - 9:00 AM
9:00 AM Welcome (Introduction of faculty, logistics etc.) - Damien Charles Weber (Paul Scherrer Institut)
Welcome (Introduction of faculty, logistics etc.)
- Damien Charles Weber (Paul Scherrer Institut)
9:00 AM - 9:15 AM
9:15 AM A short historical overview of proton therapy - Damien Charles Weber (Paul Scherrer Institut)
A short historical overview of proton therapy
- Damien Charles Weber (Paul Scherrer Institut)
9:15 AM - 9:45 AM
9:45 AM Basic physics for proton radiation - Sairos Safai (PSI - Paul Scherrer Institut)
Basic physics for proton radiation
- Sairos Safai (PSI - Paul Scherrer Institut)
9:45 AM - 10:15 AM
10:15 AM Coffee break

10:15 AM - 10:45 AM
10:45 AM Basic radiaton biology of photons and protons - Martin Pruschy (University Hospital Zurich)
Basic radiaton biology of photons and protons
- Martin Pruschy (University Hospital Zurich)
10:45 AM - 11:15 AM
11:15 AM How significant are RBE variations in proton therapy? - Harald Paganetti (Massachusetts General Hospital / Harvard Medical School)
How significant are RBE variations in proton therapy?
- Harald Paganetti (Massachusetts General Hospital / Harvard Medical School)
11:15 AM - 11:45 AM
11:45 AM Second malignancies - Uwe Schneider
Second malignancies
- Uwe Schneider
11:45 AM - 12:15 PM
12:15 PM Lunch break
Lunch break
12:15 PM - 1:30 PM
Room: Auditorium
1:30 PM Toxicity Clinical - Esther Troost
Toxicity Clinical
- Esther Troost
1:30 PM - 2:00 PM
2:00 PM Toxicity: Clinical impact of proton RBE - Dirk Wagenaar
Toxicity: Clinical impact of proton RBE
- Dirk Wagenaar
2:00 PM - 2:30 PM
2:30 PM Outcome analysis - theory & modelling - Harald Paganetti (Massachusetts General Hospital / Harvard Medical School)
Outcome analysis - theory & modelling
- Harald Paganetti (Massachusetts General Hospital / Harvard Medical School)
2:30 PM - 3:00 PM
3:00 PM Coffee break
Coffee break
3:00 PM - 3:30 PM
Room: Auditorium
3:30 PM Validation methodologies for the clinical benefit of proton therapy - Johannes Langendijk (University Medical Center Groningen)
Validation methodologies for the clinical benefit of proton therapy
- Johannes Langendijk (University Medical Center Groningen)
3:30 PM - 4:15 PM
4:15 PM Treatment planning for pencil beam scanning and IMPT - Antony John Lomax (PSI - Paul Scherrer Institut)
Treatment planning for pencil beam scanning and IMPT
- Antony John Lomax (PSI - Paul Scherrer Institut)
4:15 PM - 5:00 PM
5:00 PM Group picture
Group picture
5:00 PM - 5:05 PM

5:05 PM Meeting point PSI West outside the auditorium
Meeting point PSI West outside the auditorium
5:05 PM - 5:20 PM
Room: Auditorium

5:20 PM On the way to Parkhotel
On the way to Parkhotel
5:20 PM - 5:50 PM

5:50 PM Time at your convenience
Time at your convenience
5:50 PM - 6:30 PM

6:30 PM Dinner at Parkhotel
Dinner at Parkhotel
6:30 PM - 8:00 PM

8:00 PM Time at your convenience - you may enjoy the thermal baths
Time at your convenience - you may enjoy the thermal baths
8:00 PM - 10:30 PM
Tuesday, January 20, 2026

8:30 AM Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
8:30 AM - 9:00 AM
9:00 AM Physicians block
9:00 AM - 12:30 PM
Contributions

9:00 AM Tumors of the skull base and spine chordoma and chondrosarcoma - Dominic Leiser (PSI - Paul Scherrer Institut)

9:30 AM Proton therapy for adult CNS tumors - Damien Charles Weber (Paul Scherrer Institut)

10:00 AM Head and neck cancers - Johannes Langendijk (University Medical Center Groningen)

11:00 AM Reirradiation - Piero Fossati (EBG MedAustron GmbH)

11:30 AM Liver PT - Piero Fossati (EBG MedAustron GmbH)

12:00 PM Breast - Stéphanie Peeters
Physics block
9:00 AM - 12:30 PM
Contributions

9:00 AM Active scanning beam 1: Modulation delivery - David Meer (PSI - Paul Scherrer Institut)

9:30 AM Active scanning beam 2: Controlling delivery - Christian Michael Groh (PSI - Paul Scherrer Institut)

10:00 AM Active scanning beam 3: Checking delivery/dosimetry - Michele Togno (PSI - Paul Scherrer Institut)

11:00 AM Advanced physics - Sairos Safai (PSI - Paul Scherrer Institut)

11:45 AM Accelerators and beam production techniques for proton therapy - David Meer (PSI - Paul Scherrer Institut)
12:30 PM Lunch break
Lunch break
12:30 PM - 1:30 PM
Room: Auditorium
1:30 PM Physicians block
1:30 PM - 4:15 PM
Contributions

1:30 PM Proton beam therapy of NSCLC – best practice - Esther Troost

2:15 PM Financial Toxicity - Barbara Bachtiary (Dr. med.)

3:15 PM Proton therapy for pediatrics and AYA patients (part 1 and 2) - Anita Mahajan (Mayo Clinic)
Physics block
1:30 PM - 4:15 PM
Contributions

1:30 PM Technological innovation: From Eye to AI: Advances in Proton Therapy - Zoltan Perko

2:15 PM Technological innovation part 1: Delivery - Konrad Pawel Nesteruk (Massachusetts General Hospital / Harvard Medical School)

3:15 PM Gantry PT workflow - Michelle van Heerden

3:45 PM Ocular PT - Jan Hrbacek (PSI - Paul Scherrer Institut)
4:15 PM Departure to social event - Meeting point PSI West outside the auditorium
Departure to social event - Meeting point PSI West outside the auditorium
4:15 PM - 4:30 PM
Room: Auditorium

4:30 PM On the way to the social event
On the way to the social event
4:30 PM - 5:15 PM

5:15 PM Bowling
Bowling
5:15 PM - 7:15 PM
Room: Bowling area

7:15 PM Dinner
Dinner
7:15 PM - 10:00 PM
Room: Riveralp

10:00 PM Back to Parkhotel Bad Zurzach
Back to Parkhotel Bad Zurzach
10:00 PM - 10:30 PM
Wednesday, January 21, 2026

8:30 AM Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
8:30 AM - 9:00 AM
9:00 AM Commissioning a new facility: Specifications - Alejandro Mazal (Centro de Protonterapia Quironsalud)
Commissioning a new facility: Specifications
- Alejandro Mazal (Centro de Protonterapia Quironsalud)
9:00 AM - 9:30 AM
9:30 AM Commissioning a new facility: Clinical - Arturs Meijers (PSI)
Commissioning a new facility: Clinical
- Arturs Meijers (PSI)
9:30 AM - 10:00 AM
10:00 AM Coffee break and group allocation
Coffee break and group allocation
10:00 AM - 10:30 AM
Room: Auditorium

10:30 AM On the way to the workshop
On the way to the workshop
10:30 AM - 10:45 AM
Room: Auditorium
10:45 AM Workshop 1 to 4 in parallel - Nicola Bizzocchi (PSI - Paul Scherrer Institut) Alexey Cherchik Arturs Meijers (PSI)
Workshop 1 to 4 in parallel
- Nicola Bizzocchi (PSI - Paul Scherrer Institut)
- Alexey Cherchik
- Arturs Meijers (PSI)
10:45 AM - 11:45 AM
11:45 AM Change workshop session
Change workshop session
11:45 AM - 11:50 AM
Room: Auditorium
11:50 AM Workshop 1 to 4 in parallel - Michele Togno (PSI - Paul Scherrer Institut) Alessandra Bolsi (PSI - Paul Scherrer Institut)
Workshop 1 to 4 in parallel
- Michele Togno (PSI - Paul Scherrer Institut)
- Alessandra Bolsi (PSI - Paul Scherrer Institut)
11:50 AM - 12:50 PM
12:50 PM On the way for lunch
On the way for lunch
12:50 PM - 1:00 PM
Room: Auditorium

1:00 PM Lunch break
Lunch break
1:00 PM - 2:00 PM
Room: Auditorium

2:00 PM On the way to the workshop
On the way to the workshop
2:00 PM - 2:15 PM
Room: Auditorium
2:15 PM Workshop 1 to 4 in parallel - Antony John Lomax (PSI - Paul Scherrer Institut)
Workshop 1 to 4 in parallel
- Antony John Lomax (PSI - Paul Scherrer Institut)
2:15 PM - 3:15 PM
3:15 PM Change workshop session
Change workshop session
3:15 PM - 3:20 PM
Room: Auditorium
3:20 PM Workshop 1 to 4 in parallel - David Meer (PSI - Paul Scherrer Institut) Christian Michael Groh (PSI - Paul Scherrer Institut)
Workshop 1 to 4 in parallel
- David Meer (PSI - Paul Scherrer Institut)
- Christian Michael Groh (PSI - Paul Scherrer Institut)
3:20 PM - 4:20 PM
4:20 PM Coffee break
Coffee break
4:20 PM - 4:50 PM

4:50 PM Site tour - Optional
Site tour - Optional
4:50 PM - 6:10 PM
Room: Center for Proton Therapy

6:10 PM On the way back to meeting point outside the Auditorium
On the way back to meeting point outside the Auditorium
6:10 PM - 6:25 PM
Room: Auditorium

6:25 PM On the way to Parkhotel
On the way to Parkhotel
6:25 PM - 7:00 PM

7:00 PM Dinner at Parkhotel
Dinner at Parkhotel
7:00 PM - 8:00 PM
Thursday, January 22, 2026

8:30 AM Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
Departure to Paul Scherrer Institute - Meeting point in front of the Parkhotel
8:30 AM - 9:00 AM
9:00 AM Uncertainties in PT - Francesca Albertini (PSI - Paul Scherrer Institut)
Uncertainties in PT
- Francesca Albertini (PSI - Paul Scherrer Institut)
9:00 AM - 9:30 AM
9:30 AM Motion / motion mitigation - Ilaria Rinaldi
Motion / motion mitigation
- Ilaria Rinaldi
9:30 AM - 10:00 AM
10:00 AM Rationale and implemenattion of online adaptive - Francesca Albertini (PSI - Paul Scherrer Institut)
Rationale and implemenattion of online adaptive
- Francesca Albertini (PSI - Paul Scherrer Institut)
10:00 AM - 10:30 AM
10:30 AM Coffee-Break
Coffee-Break
10:30 AM - 11:00 AM
Room: Auditorium
11:00 AM Technological innovation: Imaging - Giovanni Fattori (PSI - Paul Scherrer Institut)
Technological innovation: Imaging
- Giovanni Fattori (PSI - Paul Scherrer Institut)
11:00 AM - 11:30 AM
11:30 AM Technological Innovation: Treatment planning - Jan Hrbacek (PSI - Paul Scherrer Institut)
Technological Innovation: Treatment planning
- Jan Hrbacek (PSI - Paul Scherrer Institut)
11:30 AM - 12:00 PM
12:00 PM Lunch break
Lunch break
12:00 PM - 1:00 PM
Room: Auditorium
1:00 PM Technological Innovation: Flash:: BIOLOGY - Marie-Catherine Vozenin
Technological Innovation: Flash:: BIOLOGY
- Marie-Catherine Vozenin
1:00 PM - 1:30 PM
1:30 PM Technological Innovation: Flash:: PHYSICS - Robert Schäfer
Technological Innovation: Flash:: PHYSICS
- Robert Schäfer
1:30 PM - 2:00 PM
2:00 PM Technological innovation: Spatially fractionated minibeams therapy - Cristian Fernandez (University of Bern)
Technological innovation: Spatially fractionated minibeams therapy
- Cristian Fernandez (University of Bern)
2:00 PM - 2:30 PM
2:30 PM Coffee break
Coffee break
2:30 PM - 3:00 PM
Room: Auditorium
3:00 PM Protons versus "the competition" - Antony John Lomax (PSI - Paul Scherrer Institut)
Protons versus "the competition"
- Antony John Lomax (PSI - Paul Scherrer Institut)
3:00 PM - 3:30 PM
3:30 PM Closing Remarks - Antony John Lomax (PSI - Paul Scherrer Institut) Damien Charles Weber (PSI - Paul Scherrer Institut)
Closing Remarks
- Antony John Lomax (PSI - Paul Scherrer Institut)
- Damien Charles Weber (PSI - Paul Scherrer Institut)
3:30 PM - 3:45 PM
3:45 PM Departure to the hotel - Meeting point PSI West outside the Auditorium
Departure to the hotel - Meeting point PSI West outside the Auditorium
3:45 PM - 4:00 PM
Room: Auditorium

4:00 PM On the way to Parkhotel
On the way to Parkhotel
4:00 PM - 4:30 PM

4:30 PM Time at your convenience - you may enjoy the thermal baths
Time at your convenience - you may enjoy the thermal baths
4:30 PM - 6:30 PM

6:30 PM Dinner at Parkhotel
Dinner at Parkhotel
6:30 PM - 7:30 PM

7:30 PM Time at your convenience - you may enjoy the thermal baths
Time at your convenience - you may enjoy the thermal baths
7:30 PM - 10:00 PM
Friday, January 23, 2026

7:30 AM Skiing day - Optional
Skiing day - Optional
7:30 AM - 5:30 PM
Room: https://www.flumserberg.ch/en/Experience-winter

8:30 AM Tour within Paul Scherrer Institute - Optional

8:30 AM - 12:00 PM
Room: Auditorium

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