TOP - July 2020, Vol 13, No 4

San Francisco, CA—Although there is a biological rationale that supports the “abscopal” effects of radiation therapy plus checkpoint immunotherapy in fighting cancer, this combination showed mixed results and no robust effects in patients with metastatic renal-cell carcinoma (RCC), according to results of 2 preliminary studies presented at the 2020 Genitourinary Cancers Symposium.
San Antonio, TX—Although capecitabine (Xeloda) is approved for metasta­tic breast cancer, it is not clear whether it should be used in early breast cancer, and its optimal role remains to be established.
At the 2020 virtual American Association for Cancer Research (AACR) annual meeting, part I, a team of oncologists from different COVID-19 hotspots around the world gave a snapshot of wisdom gleaned from their experience thus far.
This section provides a brief overview of new cancer drugs or new indications approved by the FDA between May 26 and June 15, 2020.
The combination of the checkpoint inhibitor durvalumab (Imfinzi), the poly ADP-ribose polymerase (PARP) inhibitor olaparib (Lynparza), and chemotherapy with paclitaxel used as neoadjuvant therapy improved the pathologic complete response (pCR) of patients with high-risk HER2-negative stage II or III breast cancer compared with the physician’s choice of chemotherapy.
A bispecific chimeric antigen receptor (CAR) T-cell product directed against CD19 and CD22 antigens induced a complete response (CR) in 5 of 12 (42%) evaluable children and young adults with relapsed or refractory acute lymphoblastic leukemia (ALL).
Data from the TRACERx lung study suggest that circulating tumor DNA (ctDNA) may be a biomarker for the detection of postsurgical minimal residual disease (MRD) in patients with non–small-cell lung cancer (NSCLC), suggesting which patients are at increased risk for disease relapse and will require more aggressive adjuvant therapy.
The addition of the checkpoint inhibitor atezolizumab (Tecentriq) to the 2 targeted therapies—the BRAF inhibitor vemurafenib (Zelboraf) and the MEK inhibitor cobimetinib (Cotellic)—improved progression-free survival (PFS) and the duration of responses compared with the 2 targeted therapies plus placebo in patients with newly diagnosed advanced melanoma and BRAF V600E/K mutation, according to the phase 3 IMspire150 clinical trial.
Tumors with KRAS mutation are notoriously difficult to treat. Early data presented at the 2020 American Association for Cancer Research virtual annual meeting suggest 2 new routes for the treatment of cancers with KRAS mutation, including (1) the combination of a RAF/MEK inhibitor and an FAK inhibitor, and (2) the use of onvansertib, an investigational competitive inhibitor of the PLK1 enzyme, together with chemotherapy.
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