On November 4, 2022 CellCentric, a privately owned, clinical stage biotechnology company pioneering small molecule inhibition of p300/CBP to treat cancer, reported that the Chief Investigator of its haematological malignancies programme, Professor Tim Somervaille, will be presenting compelling pre-clinical and early phase clinical activity data for inobrodib (CCS1477) at the American Society of Haematology (ASH) (Free ASH Whitepaper) Annual Meeting and Exposition 2022, in New Orleans on the 9-13th December (Press release, CellCentric, NOV 4, 2022, View Source [SID1234623019]).
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Presentation Details:
CellCentric has developed a first-in-class small molecule inhibitor drug, inobrodib, that targets twin cancer gene regulators, p300 and CBP. An extensive Phase I clinical programme has been undertaken, and a recommended Phase II dose and schedule (RP2D) as monotherapy has been established. At the RP2D, this novel drug has been shown to be well tolerated long term, delivering objective responses in multiple specific settings as monotherapy, including in relapsed refractory multiple myeloma (MM), acute myeloid leukaemia (AML) and lymphomas.
Inhibiting p300/CBP impacts the expression of key cancer drivers including MYC, IRF4 and the androgen receptor (AR). MYC and IRF4 are particularly important in the progression of certain blood cancers. CellCentric has demonstrated that its pioneering drug, inobrodib, has a direct impact on these key oncogenes.
Inobrodib is formulated as a capsule, taken orally. Patients appreciate being able to take medicines themselves, at home, with less impact on routines and quality of life.
Andrew Hughes, CellCentric Board member and previous head of global clinical Phase I/II oncology at AstraZeneca, said: "It is fabulous to see the pre-clinical promise of targeting p300/CBP translate into the clinic and deliver meaningful results for people with cancer. Many first in class compounds fail to achieve long term tolerability, as well as delivering efficacy. Targeting the bromodomain of p300/CBP is proving to have been the right drug discovery strategy."
Tim Somervaille, Professor of Haematological Oncology at Cancer Research UK Manchester Institute and The University of Manchester, Honorary Consultant Haematologist at The Christie NHS Foundation Trust and Chief Investigator of the multi-centre international inobrodib Haematological Malignancy study commented: "These initial data provide great promise for the potential clinical utility of inobrodib as monotherapy, to treat late stage multiple myeloma patients, who have few alternate choices. We are expanding our existing encouraging cohorts, and also testing inobrodib now in combination with existing standard of care agents."
As well as testing in heavily pre-treated, relapsed refractory haematological malignancy patients, CellCentric also has a study evaluating inobrodib for solid tumours, including late-stage prostate cancer, known to be driven by MYC and AR. The Company continues to explore the drug both as monotherapy and in combination with existing agents, in these additional settings. These data will be reported separately.