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Vincerx Pharma Presents Preclinical and Clinical Data on PTEFb/CDK9 Inhibitor VIP152 in Lymphoma at the European Hematology Association 2022 Congress

Preclinical data demonstrate VIP152 as the most selective CDK9 inhibitor compared with other CDK9 inhibitors, with the most robust MYC mRNA downregulation

Clinical data show improved selectivity, target modulation, early signs of clinical efficacy, and cardiac safety in lymphoma patients treated with VIP152

Excerpt from the Press Release:

PALO ALTO, Calif., June 10, 2022 (GLOBE NEWSWIRE) — Vincerx Pharma, Inc. (Nasdaq: VINC), a biopharmaceutical company aspiring to address the unmet medical needs of patients with cancer through paradigm-shifting therapeutics, today announced a poster presentation of preclinical and clinical data on VIP152, the Company’s PTEFb/CDK9 inhibitor, at the European Hematology Association (EHA) 2022 Congress, being held virtually and in Vienna, Austria from June 9-12, 2022.

The EHA poster presents data from a high-grade B-cell lymphoma (HGBL) patient with a treatment-related decrease in circulating tumor TP53 mutation and preclinically demonstrates sensitivity of cells derived from chronic lymphocytic leukemia (CLL) patients relapsed after ibrutinib and venetoclax to VIP152 regardless of their TP53 mutation status. “In a pooled analysis of 57 patients with solid or hematologic malignancies, our findings demonstrate that VIP152 did not prolong the QTc interval, which is indicative of a favorable cardiac safety profile and clearly differentiates CDK9 inhibition from the recently reported cardiac toxicity of MCL1 inhibitors,” said Ahmed Hamdy M.D., Chief Executive Officer of Vincerx. “Compared with other CDK9 inhibitors, VIP152 was the most selective CDK9 inhibitor and had the most robust MYC mRNA downregulation. We believe the high selectivity of VIP152 affords a manageable safety profile, based on the overall patient safety data we shared earlier this week. Additionally, our data showed reproducible reductions in MYC, MCL1, and PCNA mRNA in the blood of patients with various types of lymphoma after VIP152 treatment. These data support the utility of a selective CDK9 inhibitor for the treatment of patients with hematologic malignancies,” added Dr. Hamdy.

The EHA poster also shares new data for 5 lymphoma patients: 3 with HGBL, 1 double expressor diffuse large B-cell lymphoma (DLBCL) and 1 CLL patient from 2 ongoing phase 1 trials. The safety, treatment duration, pharmacokinetics (PK), and progressive disease (PD) were pooled with 7 previously reported HGBL patients for a total of 12 lymphoma patients shown in the presentation. “Two patients with double-hit DLBCL achieved complete remission for 3.5 and 2.5 years and have remained in remission nearly two years after stopping therapy. In addition, the first patient with CLL—who had failed BTK inhibitors and venetoclax—to be treated with a low dose (15 mg) of VIP152 showed initial evidence of clinical activity by physical exam and laboratory parameters,” added Dr. Hamdy. “VIP152 also showed a favorable safety profile in lymphoma patients, with manageable neutropenia. The once-weekly VIP152 dosing regimen continues to allow for recovery of neutrophils before the next dose. The results presented at EHA, combined with the totality of preclinical and clinical data generated in our programs to date, support our recent strategic decision to prioritize our VIP152 clinical program on double-hit DLBCL and CLL. We continue to be excited about VIP152 and look forward to advancing our development program with the goal of delivering new treatment options for these patients.”

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