Real-world graft utilization after CTN-1101: a registry-based analysis of haploidentical graft versus umbilical cord blood trends - Summary - MDSpire

Real-world graft utilization after CTN-1101: a registry-based analysis of haploidentical graft versus umbilical cord blood trends

  • By

  • Danh T. Tran

  • Ruyun Jin

  • Hong Zhu

  • Gabrielle Schmidt

  • Stephen R. Spellman

  • Karen K. Ballen

  • August 18, 2025

  • 0 min

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Objective:

To quantify changes in graft utilization, specifically haplo-BM and haplo-PBSC versus UCB, following the publication of the CTN-1101 trial (2012-2018).

Key Findings:
  • Increased utilization of haplo transplants and decreased utilization of UCB transplants from 2009 to 2019.
  • Haplo-BM showed better two-year overall survival compared to double UCB (57% vs 46%; p = 0.04).
  • Five-year survival was higher after non-trial haplo-BM compared to trial double UCB (47% vs 36%; p = 0.012).
Interpretation:

The findings suggest a shift in clinical practice towards haploidentical grafts following the CTN-1101 trial, indicating improved access to transplants, particularly for patients without optimal donor matches.

Limitations:
  • The study only included U.S. patients and did not account for international trends.
  • Exclusions of certain patient groups may limit the generalizability of the findings.
  • The retrospective nature of the study may introduce biases.
Conclusion:

The analysis highlights significant changes in graft utilization patterns post-CTN-1101, supporting the relevance of clinical trial data in influencing real-world practices.

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