How precision oncology is improving care for patients with advanced cancer
Recent advancements in testing and treatment are providing greater hope for patients. Precision oncology, or personalizing cancer treatment to each individual, is helping doctors optimize care for patients across all stages of the disease.
READ MOREFor patients with advanced cancer, precision oncology has made a radical difference over the past decade in improving outcomes across cancer types, including lung, breast, colorectal, and prostate. Precision medicine, also known as targeted therapy or personalized medicine, uses drugs to target the specific genes and proteins, also known as biomarkers, that are causing a person’s cancer cells to grow. This personalized, biomarker-informed approach can improve progression-free survival with fewer side effects than traditional one-size-fits-all chemotherapy or immunotherapy.1-7
In order to identify these targetable biomarkers and determine if there is an appropriate therapy or clinical trial, it is necessary that doctors perform complete genomic testing (also known as comprehensive genomic profiling, biomarker testing, or molecular profiling). Performing genomic testing using a blood test does not require tissue testing, enabling potentially more patients to be matched with targeted therapies.
Our Guardant360® CDx test is the first FDA-approved blood test for complete genomic testing across all solid cancers.
Once treatment is started, another advancement in precision oncology is the ability to tailor treatment even further by not only looking at a cancer’s genomic profile, but by looking at circulating tumor DNA (ctDNA), which are tiny DNA fragments shed by tumor cells into blood. Monitoring these ctDNA levels tells doctors whether a patient is responding to treatment or not, and helps them consider whether to continue, stop, or explore other treatment options. Our Guardant360 Response™ blood test predicts treatment response up to 8 weeks earlier than traditional scans.8-17
Patients with advanced cancer who have benefitted from complete genomic testing
Featured resources
Here are just a few helpful educational resources for patients and their families:
Patient advocacy organizations
If you have been diagnosed with cancer, there are organizations that can help you and your loved ones connect with the cancer community and find the support needed. Below are just a few groups that may be able to assist you.
Colorectal cancer organizations:
Lung cancer organizations:
General organizations:
Gastrointestinal cancer organizations:
We also support the following patient advocacy initiatives:
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- Mack PC, Redman MW, Moon J, et al. Residual circulating tumor DNA (ctDNA) after two months of therapy to predict progression-free and overall survival in patients treated on S1403 with afatinib +/- cetuximab.J Clin Oncol; 2020: 38:15_suppl, 9532-9532. DOI: 10.1200/JCO.2020.38.15.
- Maron SB, Chatila WK, Millang BM, et al, Pembrolizumab with trastuzumab and chemotherapy (PTC) in HER2-positive metastatic esophagogastric cancer (mEG): Plasma and tumor-based biomarker analysis. J Clin Oncol; 2020: 38:15_suppl, 4559-4559. DOI: 10.1200/JCO.2020.38.15.
- Modi S, Park H, Murthy RK, et al. Antitumor Activity and Safety of Trastuzumab Deruxtecan in Patients With HER2-Low-Expressing Advanced Breast Cancer: Results From a Phase Ib Study. J Clin Oncol; 2020: 38(17):1887-1896. DOI: 10.1200/JCO.19.02318.
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