Tara Seery, MD; Chemotherapy as a Possible Option

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Is chemotherapy still an option for this patient?


Case 2: mCRC

Scott T. is a 62-year-old male from Montgomery County, Arkansas who works as a teacher and football coach at a local high school. He was diagnosed with metastatic colon adenocarcinoma in December of 2012.

Medical history is notable for well-controlled hypertension, and hypercholesterolemia, managed with diet and statin therapy

Patient underwent a right hemicolectomy in January 2013, which showed stage IIIC disease with several visceral metastases noted and 5 of 14 positive lymph nodes; biopsy showed well-differentiated adenocarcinoma that was KRAS-mutation and BRAF-mutation negative on molecular testing

He received initial therapy with FOLFOX and bevacizumab and showed a good response after 6 cycles, with a reduction in several target lesions on CT scan

In October of 2013, the patient returned for a follow-up with increasing fatigue, intermittent dyspnea, and chest pain.

Follow-up CT showed marked progression of target lesions, and multiple lung nodules consistent with metastatic disease; performance status at time of recurrence was 0. His chemotherapy was switched to FOLFIRI, and bevacizumab was continued

After 5 cycles, the patient’s condition improved and CT scan was consistent with stable disease

After 7 cycles, the patient requested to discontinue chemotherapy while traveling, but maintenance bevacizumab was continued

In July of 2014, the patient returned for follow-up with marked fatigue, declining performance status (PS 1), increasing dyspnea and chest pain; CT scan at that time showed marked progression of lung and peritoneal target lesions.

Liver and kidney function were within normal limits, and he began treatment with regorafenib at a dose of 160 mg.

After 2 weeks, treatment had to be interrupted due to grade 2 hypertension with fatigue and lightheadedness

The patient’s condition improved with antihypertensive therapy, and after 10 days treatment was reinitiated at a dose of 120 mg

Patient was able to tolerate the reduced dose, with some mild fatigue and diarrhea

After 5 cycles at 120 mg, the patient showed a good response, with a reduction in both lung and peritoneal metastases on CT scan; his performance status also improved (PS 0)

The patient’s disease remained stable until August of 2015, at which time his CT scan showed marked progression of the peritoneal lesions, and his CEA levels had increased to 33.5 ng/mL. He was initiated on trifluridine-tipiracil (TAS-102) in September of 2015 and his disease again stabilized. He remains on treatment at last follow-up.

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