Shattuck: Positive Phase 1 A/B Data in Myelodysplastic Syndromes, TP53 mutant Acute Myeloid Leukemia

Observed 79% Objective Response Rate (ORR) in frontline HR-MDS patients, primarily with TP53 mutations; initial complete response (CR)/marrow complete response (mCR) rate of 64% –

– Observed 27% initial CR/complete response with incomplete hematologic recovery (CRi) in frontline TP53m AML patients, and 5/11 evaluable patients achieved stable disease with decreasing blast counts and peripheral blood count improvement, these patients continue on treatment –

– SL-172154 demonstrated an acceptable safety and tolerability profile as a monotherapy and in combination with azacitidine (AZA) –

– Shattuck to host conference call and webcast today, December 13, 2023 at 8:00 a.m. ET –

Shattuck will host a conference call today at 8:00 a.m. ET featuring key opinion leader Dr. Naval Daver, MD, (Professor, Director Leukemia Research Alliance Program, Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX) to present the initial data from the frontline expansion cohorts in HR-MDS and TP53m AML. Additionally, a review of data from the poster presentation featured at the 65th ASH Annual Meeting will be discussed. To listen to the live webcast, please visit the Investor Relations page of the Shattuck Labs website here. Participants may register for the call here. While not required, interested participants are encouraged to join 10 minutes prior to the start of the event.

A replay of the webcast will be available following the conclusion of the live call and will be accessible on the Company’s website.

https://www.globenewswire.com/news-release/2023/12/13/2795366/0/en/Shattuck-Labs-Announces-Positive-Initial-Topline-Data-from-Ongoing-Phase-1-A-B-Dose-Expansion-Clinical-Trial-of-SL-172154-with-Azacitidine-in-Frontline-Higher-Risk-Myelodysplastic-.html