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Phase Ib CIMON trial of MaaT033 receives positive first DSMB safety review in patients with AML and MDS

By Sumayya Khan

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Dec 24, 2020


On December 22, 2020, the first analysis of the phase Ib CIMON trial (NCT04150393) was announced. This ongoing trial is investigating the safety and tolerability of MaaT033, a microbiome capsule, in patients with acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS) who had received high-intensity chemotherapy. Review of the first patient cohort by an independent data safety and monitoring board (DSMB) confirmed the absence of safety issues and recommended continuation of the trial.1

MaaT0331

  • An off-the-shelf, oral microbiome biotherapeutic, consisting of a pooled-donor, full ecosystem of high microbial species diversity and richness
  • Designed to restore the gut microbiome and re-establish immune system homeostasis that is disrupted by cancer, chemotherapy, and associated prophylactic treatments, in an attempt to improve clinical outcome

CIMON (NCT04150393)1,2

  • An open-label, phase Ib trial of MaaT033 in 27 adult patients, across four centers in France, with AML and high-risk MDS who underwent intensive chemotherapy
  • Start date: October 20, 2020
  • Estimated completion: December 2021
  • Primary outcome: Safety and tolerability
  • Secondary outcome: Dose regimen evaluation

For more information on how the gut microbiome affects the immune system and response to cancer therapy, watch the AML Hub animated video here.

References

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