Olema and Pfizer sign new breast cancer trial deal
Olema Pharmaceuticals, Inc. reported that it has entered into a new clinical trial collaboration and supply agreement with Pfizer Inc. to study a combination treatment for certain breast cancers.
Rhea-AI Filing Summary
Olema Pharmaceuticals, Inc. reported that it has entered into a new clinical trial collaboration and supply agreement with Pfizer Inc. to study a combination treatment for certain breast cancers. The companies plan a Phase 1b/2 study evaluating the safety and combinability of palazestrant with atirmociclib, Pfizer’s investigational, highly selective CDK4 inhibitor, in patients with estrogen receptor-positive, HER2-negative metastatic breast cancer.
Under the agreement, Pfizer will supply atirmociclib for the study, while Olema will lead the conduct of the trial. All clinical data and inventions related to the combined use of atirmociclib and palazestrant will be jointly owned, and Olema will retain full global commercial and marketing rights to palazestrant. This is the second clinical trial agreement between the two companies, following an earlier collaboration formed in November 2020.
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Insights
Olema expands its Pfizer collaboration into a new combination breast cancer study while keeping full rights to palazestrant.
The agreement pairs Olema’s palazestrant with Pfizer’s investigational CDK4 inhibitor atirmociclib in a planned Phase 1b/2 study for ER+/HER2- metastatic breast cancer. Pfizer will supply atirmociclib, and Olema will lead the conduct of the trial, which focuses on safety and how well the two drugs can be used together. This builds on an existing relationship dating back to a 2020 collaboration evaluating palazestrant with palbociclib (IBRANCE).
All clinical data and inventions relating to the combined use of atirmociclib and palazestrant will be jointly owned, but Olema keeps full global commercial and marketing rights to palazestrant. That structure lets Olema potentially benefit from successful combination data without giving up control of its key asset. Actual impact will depend on study outcomes and any future regulatory or commercial steps that could follow from this program.
8-K Event Classification
FAQ
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