Scientific Programme – siope-btg2026

Time	Room 1	Room 2	Main Hall	Social
14:00			Registration and welcome Chair(s): Antonis Kattamis
14:20			Course presentation and housekeeping information Kleoniki Roka Paediatrician, MD, PhD, Senior Attending Physician, National and Kapodistrian University of Athens; Aghia Sophia Children's Hospital Chair(s): Antonis Kattamis, Kleoniki Roka
14:30			Intracranial germ cell tumours: Current treatment approaches Matthew Murray Professor in Cellular and Molecular Pathology; Honorary Consultant Paediatric Oncologist, University of Cambridge; Cambridge University Hospitals NHS Foundation Trust
14:50			Neurosurgical aspects / CSF management / need for biopsy Katerina Apostolopoulou MD, PhD, Consultant Neurosurgeon, Children's Hospital Agia Sophia
15:10			Neuro-imaging in Germ Cell Tumour: Tips and pitfalls Giovanni Morana University of Torino
15:30			RT updates in intracranial GCT Claire Alapetite Radiation Oncologist, Institut Curie
15:50			GCT clinical cases Chair(s): Camilla Satragno
16:30				Coffee / Tea Break
17:00	Simulating planning RT – Techniques, fields, doses, and anticipated toxicities – Group A Yasmin Lassen Aarhus University Hospital Beate Timmermann West German Proton Therapy Centre Essen (WPE)	Palliative care workshop – Group B Erna Michiels Neuro-oncology and Palliative Care, Princess Máxima Center Daniele Bertin MD, Ospedale Infantile Regina Margherita
17:45	Simulating planning RT – Techniques, fields, doses, and anticipated toxicities – Group B Beate Timmermann West German Proton Therapy Centre Essen (WPE) Yasmin Lassen Aarhus University Hospital	Palliative care workshop – Group A Erna Michiels Neuro-oncology and Palliative Care, Princess Máxima Center Daniele Bertin MD, Ospedale Infantile Regina Margherita
18:30			Quiz and Wrap-up
20:00				Dinner / Social Event

Time	Room 1	Room 2	Main Hall	Social	Outdoor
07:00					Morning Sportive Activity: Run to the hills…and around the acropolis?
09:00			ATRT and neurosurgery Kévin Beccaria Neurosurgeon, Hôpital Necker-Enfants Malades
09:20			ATRT systemic treatments Pascal Johann University Hospital Augsburg; Bavarian Cancer Research Center (BZKF)
09:40			ATRT and radiotherapy Beate Timmermann West German Proton Therapy Centre Essen (WPE)
10:00			ATRT clinical cases Chair(s): Katherine Green
10:30			Keynote Lecture – Challenges in Management of NF1-Associated Tumors in Children: Who to Treat? Michael J. Fisher Chief, Neuro-Oncology Section; Director, Neurofibromatosis Program; Professor of Pediatrics, The Children's Hospital of Philadelphia
11:00				Coffee break
11:30	Neurosurgical workshop: Ommaya tapping tips & tricks Group A Christian Dorfer Medical University of Vienna Viviana Minichini Italian Pediatric Neuro-Oncology Network Katerina Apostolopoulou MD, PhD, Consultant Neurosurgeon, Children's Hospital Agia Sophia	Workshop – Neuropsychology and QOL Group B Ulrike Leiss Clinical Psychologist, Medical University of Vienna Savinna Pantazopoulou Clinical Neuropsychologist; CBT trainee psychotherapist, National and Kapodistrian University of Athens; Aghia Sophia Children's Hospital
12:15	Neurosurgical workshop: Ommaya tapping tips & tricks Group B Christian Dorfer Medical University of Vienna Viviana Minichini Italian Pediatric Neuro-Oncology Network Katerina Apostolopoulou MD, PhD, Consultant Neurosurgeon, Children's Hospital Agia Sophia	Workshop – Neuropsychology and QOL Group A Ulrike Leiss Clinical Psychologist, Medical University of Vienna Savinna Pantazopoulou Clinical Neuropsychologist; CBT trainee psychotherapist, National and Kapodistrian University of Athens; Aghia Sophia Children's Hospital
13:30				Lunch Coffee and Course photo
14:30			What Retinoblastoma and Central Nervous system (CNS) tumors have in common? Yassine Bouchoucha SIREDO, Institut Curie
15:00			Debate – Neurosurgical dilemmas in managing craniopharyngioma Kévin Beccaria Neurosurgeon, Hôpital Necker-Enfants Malades
16:00			What did we learn about CP biology and current clinical trials so far? Ute Bartels Heidelberg University Hospital; The Hospital for Sick Children
16:20			RT and late effects in craniopharyngioma Gillian Whitfield Consultant Clinical Oncologist, Christie NHS Foundation Trust
16:40			Craniopharyngioma clinical cases Chair(s): Viviana Minichini
17:00			Wrap up and final quiz
17:30			Awards and Farewells

Time	Social	Room Apollon	Room Athena	Room Niki
08:00		Clinical trials embryonal working group (e. g. MEMMAT, MB 6) Chair(s): Sabine Plasschaert, Claire Keeling	Training & Education / Young Investigators Chair(s): Cláudia Faria, Yasmin Lassen, Enrico Opocher, Christian Dorfer, Camilla Satragno, Katherine Green, Viviana Minichini	Liquid Biopsy Chair(s): Kendra Maass, Johannes Gojo
10:00	Coffee / Tea Break
10:30		Embryonal tumors (including REST subgroup) Chair(s): Sabine Plasschaert, Claire Keeling	Germ cell tumours Chair(s): Thankamma Ajithkumar	Biology & Pathology Chair(s): Mariëtte Kranendonk, Christine Haberler
12:30	Lunch
13:30		Embryonal tumors (including REST subgroup) Chair(s): Sabine Plasschaert, Claire Keeling	Ependymoma Chair(s): Pierre Leblond, Sabina Vennarini, Christian Dorfer	HGG Chair(s): Elwira Szychot, Mara Vinci
15:30	Coffee / Tea Break
16:00		Embryonal tumors (including REST subgroup) Chair(s): Sabine Plasschaert, Claire Keeling	Ependymoma Chair(s): Pierre Leblond, Sabina Vennarini, Christian Dorfer	HGG Chair(s): Elwira Szychot, Mara Vinci

Time	Social	Outdoor	Room Apollon	Room Athena	Room Niki
07:00		Fun run Chair(s): Team Athens
08:00			Craniopharyngioma Chair(s): Hoong-Wie Gan, Andrea Carai	Nursing Chair(s): Joanna Stone	Imaging Chair(s): Kish Mankad, Stavros Stivaros
10:00	Coffee / Tea Break
10:30			Radiotherapy Chair(s): Stephanie Bolle	CPT Chair(s): Jenny Adamski	Neurosurgery Chair(s): Martin Schuhmann, Eelco Hoving
12:30	Lunch
13:30			LGG Chair(s): Álvaro Lasaletta, Till Milde	ATRT Chair(s): Kornelius Kerl	Quality of Survival Chair(s): Marita Partanen, Debbie Hicks, Aron Onerup
15:30	Coffee / Tea Break
16:00			LGG Chair(s): Álvaro Lasaletta, Till Milde	ATRT Chair(s): Kornelius Kerl	Quality of Survival Chair(s): Marita Partanen, Debbie Hicks, Aron Onerup

Time	Social	Room Apollon	Room Athena	Room Niki
08:00		PNET 5 Chair(s): Stefan Rutkowski	PNET 5 Chair(s): Stefan Rutkowski	PNET 5 Chair(s): Stefan Rutkowski
08:15		MB 6 Chair(s): Till Milde, Martin Mynarek	MB 6 Chair(s): Till Milde, Martin Mynarek	MB 6 Chair(s): Till Milde, Martin Mynarek
08:30		Cognito MB Chair(s): Stefan Rutkowski	Cognito MB Chair(s): Stefan Rutkowski	Cognito MB Chair(s): Stefan Rutkowski
08:45		TRIUMPH Chair(s): Christelle Dufour	TRIUMPH Chair(s): Christelle Dufour	TRIUMPH Chair(s): Christelle Dufour
09:00		MEMMAT Chair(s): Andreas Peyrl	MEMMAT Chair(s): Andreas Peyrl	MEMMAT Chair(s): Andreas Peyrl
09:15		SIOPE BTG CNS REST registry Chair(s): Katja von Hoff	SIOPE BTG CNS REST registry Chair(s): Katja von Hoff	SIOPE BTG CNS REST registry Chair(s): Katja von Hoff
09:30		SIOPE ATRT 01 Chair(s): Michael Frühwald	SIOPE ATRT 01 Chair(s): Michael Frühwald	SIOPE ATRT 01 Chair(s): Michael Frühwald
09:45		SIOP CNS GCT III Chair(s): Thankamma Ajithkumar	SIOP CNS GCT III Chair(s): Thankamma Ajithkumar	SIOP CNS GCT III Chair(s): Thankamma Ajithkumar
10:00	Coffee / Tea Break
10:30		SIOPE Ependymoma II Chair(s): Pierre Leblond	SIOPE Ependymoma II Chair(s): Pierre Leblond	SIOPE Ependymoma II Chair(s): Pierre Leblond
10:45		ITCC brain / CONNECT trials Chair(s): Darren Hargrave	ITCC brain / CONNECT trials Chair(s): Darren Hargrave	ITCC brain / CONNECT trials Chair(s): Darren Hargrave
11:00		Phase I/II trials in HGG Chair(s): Mara Vinci, Elwira Szychot	Phase I/II trials in HGG Chair(s): Mara Vinci, Elwira Szychot	Phase I/II trials in HGG Chair(s): Mara Vinci, Elwira Szychot
11:10		Integrated pathological diagnosis in future trials including reference neuropathology Chair(s): Mariëtte Kranendonk, Christine Haberler	Integrated pathological diagnosis in future trials including reference neuropathology Chair(s): Mariëtte Kranendonk, Christine Haberler	Integrated pathological diagnosis in future trials including reference neuropathology Chair(s): Mariëtte Kranendonk, Christine Haberler
11:25		SOP liquid biopsy / current state of the art of liquid biopsy inclusion in clinical trials Chair(s): Kendra Maass, Johannes Gojo	SOP liquid biopsy / current state of the art of liquid biopsy inclusion in clinical trials Chair(s): Kendra Maass, Johannes Gojo	SOP liquid biopsy / current state of the art of liquid biopsy inclusion in clinical trials Chair(s): Kendra Maass, Johannes Gojo
11:35		QoS – data integration subgroup Chair(s): Rebecca Hill	QoS – data integration subgroup Chair(s): Rebecca Hill	QoS – data integration subgroup Chair(s): Rebecca Hill
11:45		Educational Course – past, present and future Chair(s): Enrico Opocher, Christian Dorfer, Cláudia Faria, Yasmin Lassen	Educational Course – past, present and future Chair(s): Enrico Opocher, Christian Dorfer, Cláudia Faria, Yasmin Lassen	Educational Course – past, present and future Chair(s): Enrico Opocher, Christian Dorfer, Cláudia Faria, Yasmin Lassen
11:55		Future meetings: SIOPE BTG annual meeting 2027 in Milano / ISPNO 2028 in Utrecht Chair(s): Maura Massimino, Eelco Hoving	Future meetings: SIOPE BTG annual meeting 2027 in Milano / ISPNO 2028 in Utrecht Chair(s): Maura Massimino, Eelco Hoving	Future meetings: SIOPE BTG annual meeting 2027 in Milano / ISPNO 2028 in Utrecht Chair(s): Maura Massimino, Eelco Hoving
12:05		Collaboration with EANO / SNO Chair(s): Darren Hargrave	Collaboration with EANO / SNO Chair(s): Darren Hargrave	Collaboration with EANO / SNO Chair(s): Darren Hargrave
12:15		New SIOPE BTG WG chairs Chair(s): Katrin Scheinemann	New SIOPE BTG WG chairs Chair(s): Katrin Scheinemann	New SIOPE BTG WG chairs Chair(s): Katrin Scheinemann
12:20		Handover new SIOPE BTG chair Chair(s): Katrin Scheinemann	Handover new SIOPE BTG chair Chair(s): Katrin Scheinemann	Handover new SIOPE BTG chair Chair(s): Katrin Scheinemann
12:25		Adjourn Chair(s): Katrin Scheinemann, Antonis Kattamis	Adjourn Chair(s): Katrin Scheinemann, Antonis Kattamis	Adjourn Chair(s): Katrin Scheinemann, Antonis Kattamis

Official Organizers

Local Host Organizer

PCO