WALTHAM -
The Company's decision was supported by the trial's Independent Data Monitoring Committee (IDMC) following its recent pre-planned review of initial data from the Phase 1a portion of the trial.
'In our first clinical trial exploring expansion of revumenib beyond hematological malignancies, initial results from the Phase 1a portion of the trial are encouraging,' said
The Phase 1/2 trial (NCT05731947) is designed to assess the safety, tolerability, and anti-tumor activity of revumenib in patients with relapsed or refractory metastatic MSS CRC. The Phase 1a dose escalation portion of the trial enrolled a total of 19 patients who had a median of four prior therapies across three dose cohorts, including 163 mg, 226 mg, and 276 mg three times a day (TID). Revumenib was well-tolerated at all dose levels tested and the safety profile was consistent with the Company's previously reported data. No Grade 3 or greater treatment-related adverse events (TRAEs) were observed and the most common TRAEs were decreased appetite, dysgeusia, nausea, and fatigue. In addition, the initial efficacy results provide early clinical support that revumenib may be able to impact disease progression in R/R patients with metastatic MSS CRC. At doses believed to achieve full target saturation, dose levels 2 and 3, 44% (4/9) of patients had stable disease at 8 weeks, and 33% (3/9) of patients had stable disease at 16 weeks. One patient with prolonged stable disease remained on study for 32 weeks. Based on the initial data, 276 mg TID was selected as the go-forward dose in the Phase 1b portion.
About Metastatic MSS CRC
Metastatic microsatellite stable (MSS) colorectal cancer (CRC) represents the second leading cause of cancer death in the
About Revumenib
Revumenib is a potent, selective, small molecule inhibitor of the menin-KMT2A binding interaction that is being developed for the treatment of KMT2A-rearranged (KMT2Ar), also known as mixed lineage leukemia rearranged or MLLr, acute leukemias including ALL and AML, and mutant nucleophosmin (mNPM1) acute myeloid leukemia (AML). Positive topline results from the pivotal AUGMENT-101 trial in R/R KMT2Ar acute leukemia showing the trial met its primary endpoint were presented at the 65th
About Syndax
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