Single-Agent Divarasib (GDC-6036) in Solid Tumors with a KRAS G12C Mutation
Another KRAS G12C inhibitor. Congrats to FCS Director of Drug Development Manish Patel, MD, one of the authors. Durable responses with less adverse events.
To develop recommendations for treatment of patients with metastatic colorectal cancer (mCRC).
ASCO convened an Expert Panel to conduct a systematic review of relevant studies and develop recommendations for clinical practice.
Five systematic reviews and 10 randomized controlled trials met the systematic review inclusion criteria.
Doublet chemotherapy should be offered, or triplet therapy may be offered to patients with previously untreated, initially unresectable mCRC, on the basis of included studies of chemotherapy in combination with anti–vascular endothelial growth factor antibodies. In the first-line setting, pembrolizumab is recommended for patients with mCRC and microsatellite instability-high or deficient mismatch repair tumors; chemotherapy and anti–epidermal growth factor receptor therapy is recommended for microsatellite stable or proficient mismatch repair left-sided treatment-naive RAS wild-type mCRC; chemotherapy and anti–vascular endothelial growth factor therapy is recommended for microsatellite stable or proficient mismatch repair RAS wild-type right-sided mCRC. Encorafenib plus cetuximab is recommended for patients with previously treated BRAF V600E–mutant mCRC that has progressed after at least one previous line of therapy. Cytoreductive surgery plus systemic chemotherapy may be recommended for selected patients with colorectal peritoneal metastases; however, the addition of hyperthermic intraperitoneal chemotherapy is not recommended. Stereotactic body radiation therapy may be recommended following systemic therapy for patients with oligometastases of the liver who are not considered candidates for resection. Selective internal radiation therapy is not routinely recommended for patients with unilobar or bilobar metastases of the liver. Perioperative chemotherapy or surgery alone should be offered to patients with mCRC who are candidates for potentially curative resection of liver metastases. Multidisciplinary team management and shared decision making are recommended. Qualifying statements with further details related to implementation of guideline recommendations are also included.
Another KRAS G12C inhibitor. Congrats to FCS Director of Drug Development Manish Patel, MD, one of the authors. Durable responses with less adverse events.
If anti PD-L1 was not used as first line treatment, this study shows you can still use it as second line.
In this study, Cetuximab beat Bevacizumab in left sided KRAS wild type colon cancer.
In the SUNLIGHT study, Lonsurf + bevacizumab was found to be superior to bevacizumab alone in the 3L setting of mCRC, independent of mutation status. First 3L mCRC where the control group was an active compound instead of a placebo. OS was superior, with a clinically meaningful difference of 10.8 vs. 7.5 months. This is now the SOC 3L option in mCRC, in my opinion.
Interesting lack of deepened response with chemotherapy intensification. Expected increase in GI toxicity, increased cost and diminished options upon progression place this truly a quadruple combination on the shelf.
FCS Hematology Oncology Review creates a platform for our physician network to observe the most recent articles and studies available in the oncology and hematology world. By sharing these articles we are building our wealth of knowledge of new observations and treatments as they come available.
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