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Hypoxia-Directed Treatment of Human Papillomavirus–Related Oropharyngeal Carcinoma

Interesting study where HPV+ head/neck cancer patients were assessed with a unique PET/CT with F-fluoromisonidazole, which assesses hypoxia in tissue. If, after two weeks of chemoradiation, the tumor became hypoxic, the patients were allowed to have chemotherapy alone while nonresponders went on to complete chemoradiation. At two years of follow-up, both arms were equivalent. There is more and more interest in how to safely de-escalate HPV+ head/neck cancer patients, but still, none have shown this can be done without compromising outcomes; this may be worth following to see if this works out.

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A Cell-free DNA Blood-Based Test for Colorectal Cancer Screening

Colorectal cancer screening by peripheral blood testing? This cell-free DNA assay had an 83% sensitivity and 90% specificity for advanced neoplasia. However, the issue is that this does not detect precancerous lesions well. Colonoscopy has its obvious advantages as it can both diagnose colorectal cancer as well as eradicate precancerous lesions.

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BRCAAway: A randomized phase 2 trial of abiraterone, olaparib, or abiraterone + olaparib in patients with metastatic castration-resistant prostate cancer (mCRPC) bearing homologous recombination-repair mutations (HRRm).

We know that combination PARP and antiandrogen is better than antiandrogen alone. I have wondered if we need antiancrogen on those patients. This shows that, YES, we do. The combination also was better than PARP inhibitor monotherapy in those patients carrying HRRm.

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