CFI-400945 and Durvalumab in Patients With Advanced Triple Negative Breast Cancer

Official Title

A Phase II Study of CFI-400945 and Durvalumab in Patients With Advanced/Metastatic Triple Negative Breast Cancer (TNBC)

Summary:

The purpose of this study is to find out the effect that CFI-400945 and durvalumab have on breast cancer.

Trial Description

Primary Outcome:

  • Objective Response Rate of CFI-400945 given with durvalumab using RECIST 1.1
Secondary Outcome:
  • Disease Control Rate of CFI-400945 given with Durvalumab
  • Immune-Related Response Rate (iRECIST) of CFI-400945 given with durvalumab
  • Safety and Tolerability of CFI-400945 given orally in combination with durvalumab assessed by CTCAE
  • Immune effects of CFI-400945 + durvalumab measured in cfDNA
CFI-400945 is a new type of drug for breast cancer. Laboratory tests show that it works by blocking a specific protein called Polo-like Kinase 4 (PLK4) that is involved in cancer cell growth. CFI-400945 may slow down the growth of cancer cells or may cause cancer cells to die. This drug has been shown to shrink tumours in animals and has been studied in more than 60 patients. It appears to be well tolerated with few side effects. CFI-400945 seems promising but it is not clear if it can offer better results than standard therapy. Durvalumab is a new type of drug for many types of cancer. Durvalumab is an immunotherapy drug and not a chemotherapy drug. Laboratory tests show that it works by allowing the immune system (PD-1 and PD-L1 interaction) to detect your cancer and reactivating the immune response. This may help to slow down the growth of cancer or may cause cancer cells to die. Durvalumab has been shown to shrink tumours in animals and has been studied in more than 6000 people. In laboratory studies, when used together with CFI-400945, results seem promising but it is not clear if it can offer better results than standard treatment alone. This is the first time that the combination of CFI-400945 and durvalumab has been tested in patients.

View this trial on ClinicalTrials.gov

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Resources

Canadian Cancer Society

These resources are provided in partnership with the Canadian Cancer Society