April 2019, Vol 10, No 2

San Antonio, TX—The large, randomized TAM-01 clinical trial demonstrated that 5 mg daily of tamoxifen for 3 years halved the risk for recurrence of breast intraepithelial neoplasia—atypical ductal hyperplasia, ductal carcinoma in situ (DCIS), and lobular carcinoma in situ—in women after surgery and reduced the risk for new contralateral breast cancer by 75% compared with placebo.
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San Francisco, CA—Sacituzumab govitecan, a novel antibody-drug conjugate directed against Trop-2, induced responses in nearly 33% of patients with heavily pretreated, relapsed or refrac­tory metastatic urothelial cancer.
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San Francisco, CA—First-line therapy with pembrolizumab (Keytruda) plus ­axitinib (Inlyta) significantly improved overall survival (OS), progression-free survival (PFS), and objective response rates compared with standard-of-care sunitinib (Sutent) in patients with clear-cell metastatic renal-cell carcinoma (RCC) in KEYNOTE-426. The combination of pembrolizumab plus axitinib achieved a significant 47% reduction in mortality risk versus sunitinib (P <.0001).
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San Francisco, CA—Darolutamide, an investigational androgen receptor inhibitor, significantly improved metastasis-free survival in men with high-risk nonmetastatic castration-resistant prostate cancer (CRPC) compared with placebo in a large phase 3 clinical trial.
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San Francisco, CA—Moving PD-1 or PD-L1 inhibitors to an early line of therapy, immediately after chemoradiation, has improved survival for patients with unresectable, stage III non–small-cell lung cancer (NSCLC).
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Orlando, FL—Options for the treatment of patients with advanced hormone receptor (HR)-positive, HER2­negative breast cancer are expanding. The updated National Comprehensive Cancer Network (NCCN) guideline (version 1.2019) for the management of invasive breast cancer is focused on HR-positive, HER2-negative disease. William J. Gradishar, MD, Director, Maggie Daley Center for Women’s Cancer Care, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, discussed the updated guideline at the NCCN 2019 Conference.
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Orlando, FL—The updated National Comprehensive Cancer Network (NCCN) guideline for non–small-cell lung cancer (NSCLC; version 3.2019) is focused on improving patient outcomes with immunotherapy. Pembrolizumab (Keytruda) is recommended as the preferred first-line immune checkpoint inhibitor for patients with ≥50% of tumor cells that express PD-L1. First-line immunother­apy is restricted to NSCLC without EGFR or ALK mutations.
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On March 18, 2019, atezolizumab (Tecentriq; Genentech) received a new indication for use with carboplatin and etoposide chemotherapy as first-line treatment of patients with extensive-stage small-cell lung cancer (ES-SCLC).
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On March 1, 2019, the FDA accelerated the approval of atezolizumab (Tecentriq; Genentech) plus nab-paclitaxel (Abraxane; Celgene) for the treatment of patients with unresectable locally advanced or metastatic triple-negative breast cancer (TNBC) and PD-L1 expression, as identified by an FDA-approved test. Tecentriq was previously approved for bladder cancer and for non–small-cell lung cancer. This is the first FDA approval of an immunotherapy for patients with metastatic TNBC.
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On February 28, 2019, the FDA approved a combination of the HER2/neu receptor agonist trastuzumab plus the endoglycosidase hyaluronidase-oysk (Herceptin Hylecta; Genentech) subcutaneous (SC) injection for adults with HER2-overexpressing breast cancer in the adjuvant setting, as part of a regimen with chemotherapy or as monotherapy after multimodality an­thracycline-based therapy; and as first-line treatment for metastatic disease, in combination with paclitaxel, or as monotherapy after ≥1 chemotherapies in the metastatic setting. This SC injection is a new formulation of intravenous (IV) trastuzumab.
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