The 11th Congress on

Controversies in Stem Cell Transplantation and Cellular Therapies (COSTEM)

CONTROVERSIES IN STEM CELL TRANSPLANTATION AND CELLULAR THERAPIES (COSTEM)

October 1-4, 2026 • Berlin, Germany

From the COSTEM Co-Chairs

Thank you for COSTEM 2026. Save the date for 2027!

October 21-24, 2027Berlin, Germany

Congress Co-Chairs Nico Gagelmann, Arnon Nagler and Nicolaus Kröger look back at four days of debate in Berlin and invite you to the 12th COSTEM Congress. Watch their closing notes and put the dates in your calendar.

1:04

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Scientific Program

Look back at the sessions and debates of COSTEM 2026

List of Posters

Thank you to our abstract authors accepted for presentation

Awarded Posters

Congratulations to the 2026 Best Abstract and Young Investigator awardees

CME Points

Attended the congress? Complete the questionnaire to claim your EBAH-CME points

Take a look back at COSTEM 2026

View highlights of the congress on our gallery.

Official congress venue:
Hotel nhow Berlin

Take a look at the congress venue.

COSTEM 2024
COSTEM 2024

“Why should I attend?”

COSTEM showcases controversy debates within the main topics of the field – hear both sides of each debate and join the discussion where you and leading experts critically evaluate evidence, share experiences, and work towards consensus on pivotal issues. Stay at the forefront of the field, sharpen your clinical decision-making, and contribute to shaping the future of patient care. The main topics of COSTEM 2026:

  • Acute leukemia

  • Artificial Intelligence (AI)

  • Bi-specific antibodies

  • CMV infection

  • CAR T-cell therapy and cellular therapy

  • Cord blood transplantation

  • Donor lymphocyte infusion

Thank you to our supporters

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COSTEM 2024

About the COSTEM Congress

The COSTEM Congress serves as a vibrant platform for our community to connect, collaborate, and share groundbreaking scientific research, clinical insights, and the latest developments in the field of stem cell transplantation. COSTEM fosters active participation through dynamic debates, inviting global experts to present and challenge diverse perspectives on pressing issues. This unique exchange empowers clinicians to share, compare, and refine experiences, ultimately advancing innovative and effective patient care solutions.