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News and Agenda

Upcoming

2027

Congress of the Schizophrenia International Research Society, April 9-14, 2027, Montreal, Canada

2026

PhD Defense Matej Djordjevic, Fall 2026

Past

  • PhD Defense Lan Zhou, May 20, 2026

    On May 20, 2026, Lan Zhou successfully defended her PhD thesis Unraveling Traumatic and Adverse Childhood Experiences (TRACEs). Her research focused on the long-term impact of traumatic and adverse childhood experiences.

    PhD Defense Franciska de Beer, May 11, 2026

    On May 11, 2026, Franciska de Beer defended her PhD thesis To Continue or Not to Continue: How to Optimise Antipsychotic Treatment for First-Episode Psychosis and Personalise Psychiatric Care for Women. She obtained her PhD cum laude.

    Optimizing Treatment for First-Episode Psychosis: Lessons from 9 Years of the HAMLETT-OPHELIA Trial, May 11, 2026

    On behalf of the HAMLETT-OPHELIA consortium, researchers presented lessons learned from nine years of research into treatment strategies for first-episode psychosis. The presentation focused on personalized care and antipsychotic treatment outcomes.

    Congress of the Schizophrenia International Research Society, April 25–29, 2026, Florence, Italy

    The HAMLETT team attended the annual SIRS congress in Florence, where recent developments in schizophrenia research and treatment were discussed.

  • Workshop Tapering Antipsychotics medTzorg, November 13, 2025

    Shiral Gangadin gave a workshop for general practitioners on tapering antipsychotic medication. The session focused on practical challenges and recent insights into medication reduction.

    HAMLETT-paper was published, October 1, 2025

    The consortium published a manuscript containing results from  the first four years of the HAMLETT-OPHELIA study. Early Dose Reduction or Discontinuation vs Maintenance Antipsychotics After First Psychotic Episode Remission: A Randomized Clinical Trial | Trials | JAMA Psychiatry | JAMA Network

    Visit to the GARMED team in Taiwan, June 2025

    Shiral Gangadin and Iris Sommer visited prof Chen-Chung Liu and Dr Liu to discuss how tapering of antipsychotic medication can be done as safely as possible.

    RANZCP 2025 Congress, Psychodynamic Psychotherapy, May 6, 2025

    Iris Sommer presented the first HAMLETT study results during the RANZCP congress. The presentation highlighted early findings on antipsychotic tapering and recovery.

    Giessen International Schizophrenia Symposium, April 28–30, 2025

    HAMLETT researchers attended the Giessen International Schizophrenia Symposium, which focused on current developments in schizophrenia research and care.

    Congress of the Schizophrenia International Research Society, March 29 – April 2, 2025, Chicago, USA

    The HAMLETT consortium participated in the SIRS congress in Chicago and presented ongoing work related to psychosis and recovery.

  • Congress of the Schizophrenia International Research Society, April 3–7, 2024, Florence, Italy

    Marieke Begemann organized a symposium titled “The Changing World of Antipsychotic Medication Use: The Latest Evidence from the International Trials in the TAPER Consortium.” Researchers from England, Denmark, Taiwan, and Australia presented findings from their tapering studies.

    Pro Persona Journal Club Evening, January 9, 2024

    Shiral Gangadin, Inge van der Heijden, and Marieke Begemann presented the HAMLETT study and discussed recent insights into medication tapering and personal recovery.

  • International TAPER Meeting, December 6, 2023

    During the annual TAPER meeting, researchers from different tapering studies shared updates and discussed ongoing research projects related to antipsychotic reduction.

    Festive HAMLETT Gathering, UMC Utrecht, May 31, 2023

    In January 2023, HAMLETT reached its target inclusion of 444 participants. On May 31, this milestone was celebrated together with everyone involved in the study.

    Congress of the Schizophrenia International Research Society, April 3–7, 2023, Chicago, USA

    The HAMLETT team attended the SIRS congress in Chicago, where current research in schizophrenia and psychosis was presented.

  • International TAPER Meeting, December 7, 2022

    HAMLETT participated in the annual TAPER meeting, where participating studies shared progress updates and discussed common research themes.

    Ypsilon Knowledge Session: Medication Tapering and the Role of Relatives, September 22, 2022

    Karin Groen, Shiral Gangadin, Franciska de Beer, and Marieke Begemann discussed the role of relatives in supporting antipsychotic tapering. The session also addressed advantages and disadvantages of long-term antipsychotic use.

    Congress of the Schizophrenia International Research Society, April 6–10, 2022, Italy

    The HAMLETT team delivered several presentations during the SIRS congress focused on schizophrenia research and treatment.

  • International TAPER Meeting, December 1, 2021

    HAMLETT joined the annual TAPER meeting, where researchers exchanged updates on ongoing tapering studies.

    National Psychosis Congress, September 30, 2021

    The National Psychosis Congress brought together mental health professionals, researchers, patients, and relatives to discuss developments in psychosis care and recovery.

    Congress of the Schizophrenia International Research Society, April 17–21, 2021

    Marieke Begemann presented the HAMLETT study during the virtual SIRS congress. Wim Veling chaired the symposium “Discontinuation of Antipsychotic Medication – The Story Continues.”

  • On-Demand Medication-Free Treatment Options for Psychosis, National Antipsychotics Debate, November 6, 2020

    This conference focused on medication-free treatment options for psychosis and different perspectives on antipsychotic use.

    Lorentz Center, Leiden, September 28 – October 2, 2020

    Researchers participated in the workshop (Dis)continuing Antipsychotic Medication, which explored challenges surrounding long-term antipsychotic treatment.

    Spring Congress of the Dutch Association for Psychiatry, June 17, 2020

    The first HAMLETT study results were presented by Nico van Beveren, Inge van der Heijden-Hobus, Evita Goossens, Martijn Kikkert, and Marieke Begemann.

    Parnassia Group Rijnmond, June 8, 2020

    Marieke Begemann gave a webinar lecture as part of the Scientific Afternoon Program for Adult Psychiatry.

    OPERA Symposium, January 14, 2020

    HAMLETT shared experiences with participant recruitment and collaboration with mental healthcare centers during the OPERA symposium on tapering antidepressants.

    HAMLETT in the News: Tailored Treatment for People Vulnerable to Psychosis

    An interview with Iris Sommer and Marieke Begemann highlighted the importance of personalized treatment approaches for people vulnerable to psychosis.

  • The International Society for Psychological and Social Approaches to Psychosis, August 31, 2019, Rotterdam

    Marieke Begemann, Martijn Kikkert, Wim Veling, Chris Geraets, and Martijn van den Brink presented a symposium on psychological and social approaches to psychosis care.

    11th Two-Day Continuing Education Course “Psychoses Northern Netherlands,” March 7–8, 2019, Heerenveen

    Ilse Thompson presented the HAMLETT study during this educational course for mental healthcare professionals.

    Film Portrait “The Voices of Vincent,” June 10, 2019

    The documentary “The Voices of Vincent” by Maarten Kal was screened at the Groninger Forum cinema, followed by discussions about hearing voices and psychosis.

    PsyCafé Meetings, 2019

    Several PsyCafé meetings were organized in collaboration with HAMLETT, Anoiksis, and Ypsilon. These meetings created space for discussion about psychosis, recovery, and medication tapering.

    HAMLETT in the News: UMCG Receives €1.5 Million from ZonMW for Psychosis Research

    The HAMLETT study received national attention after UMCG was awarded €1.5 million in ZonMW funding for psychosis research.

  • Phrenos Psychosis Congress, November 23, 2018

    Iris Sommer presented the HAMLETT study during the Phrenos Psychosis Congress.

    Schizophrenia International Research Society, April 4–8, 2018, Florence, Italy

    Priscilla Oomen presented a HAMLETT poster, while Ilse Thompson presented findings from the PET substudy.

    PsyCafé, Utrecht, June 25, 2018

    A PsyCafé meeting was organized together with Ypsilon and the HAMLETT study team to discuss psychosis, recovery, and experiences of relatives and loved ones.

  • Kick-off Symposium, UMC Utrecht, 2017

    The HAMLETT study officially launched with a kick-off symposium at UMC Utrecht, where the study objectives and design were introduced.