Early Treatment of Advanced Prostate Cancer with PSMA-Targeted Radioligand Therapy Prolongs Life

Excerpt:

“Research presented at the 2018 Annual Meeting of the Society of Nuclear Medicine and Molecular Imaging (SNMMI) demonstrates for the first time the benefit of providing earlier lutetium-177 (177Lu) prostate-specific membrane antigen (PSMA) radioligand therapy to patients with metastatic prostate cancer. Until now, this therapy has only been used in patients with end-stage disease.”

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Neratinib/T-DM1 Combo Shows Promise in HER2-Positive Breast Cancer

Excerpt:

“The combination of neratinib (Nerlynx) and T-DM1 (ado-trastuzumab emtansine; Kadcyla) induced an overall response rate of 60% in previously-treated women with HER2-positive metastatic breast cancer, according to results from the phase Ib NSABP FB-10 study presented at the 2018 ASCO Annual Meeting.

“Among 12 of 20 evaluable patients with objective responses, 3 had a complete response and 9 had a partial response. An additional 2 patients had stable disease, and 6 patients had progressive disease.”

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Tucatinib Active in Heavily Pretreated HER2+ Breast Cancer

Excerpt:

“Tucatinib used in combination with capecitabine, trastuzumab (Herceptin), or both agents showed promising antitumor activity in heavily pretreated women with HER2-positive breast cancer with or without brain metastases, according to findings published in The Lancet Oncology.

“In phase Ib results from a nonrandomized, open-label study, 83% (5/6) of patients with measurable disease treated with tucatinib/capecitabine had an objective response, as did 40% (6/15) of patients receiving tucatinib/trastuzumab. Sixty-one percent (14/23) of patients treated with the combination of all 3 drugs had an objective response.”

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PARP Inhibitor Improves Overall Response Rates in Small Cell Lung Cancer Patients

Excerpt:

In a randomized, Phase II trial led by researchers at The University of Texas MD Anderson Cancer Center, adding the PARP inhibitor veliparib to a standard chemotherapy agent improved overall response rates (ORR) in patients with small cell lung cancer (SCLC). Researchers also identified a select group of patients—those whose tumors expressed SLFN11— who also saw a progression-free survival (PFS) and overall survival (OS) benefit, suggesting a promising biomarker for the PARP-inhibitor sensitivity in SCLC.

“The study was published in Journal of Clinical Oncology. Ongoing follow-up studies are underway to confirm the results, which could result in the first new therapeutic option for this rare and aggressive lung cancer in more than three decades, said Lauren Averett Byers, M.D., associate professor of Thoracic/Head and Neck Medical Oncology.”

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PFS Extended With Addition of Bevacizumab to Erlotinib in EGFR-Mutated NSCLC

Excerpt:

“Upfront treatment with the combination of bevacizumab (Avastin) and erlotinib (Tarceva) is superior to erlotinib alone as for patients with non–small cell lung cancer (NSCLC) harboring EGFR mutations, according to results of a preplanned interim analysis of the phase III study known as NEJ026.

“The analysis showed a median progression-free survival (PFS) by independent review (the primary endpoint) of 16.9 months with the bevacizumab/erlotinib combination compared with 13.3 months with erlotinib by itself, said Naoki Furuya, MD, PhD, at the 2018 ASCO Annual Meeting.”

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Nivolumab Plus Low-Dose Ipilimumab Shows Durable Responses for PD-L1-Negative, TMB-High NSCLC

Excerpt:

“The combination of nivolumab (Opdivo) and low-dose ipilimumab (Yervoy) reduced the risk of progression or death by 52% compared with standard platinum doublet chemotherapy for patients with metastatic PD-L1–negative, tumor mutation burden (TMB)-high non–small cell lung cancer (NSCLC), according to findings from the phase III CheckMate 227 trial presented at the 2018 ASCO Annual Meeting.

“In the PD-L1–negative (<1% expression), TMB-high (≥10 mutations/megabase) subgroup, regardless of histology, median progression-free survival (PFS) with nivolumab/ipilimumab was 7.7 months compared with 5.3 months for chemotherapy and 6.2 months for nivolumab and chemotherapy. The 1-year PFS rate was 45% with nivolumab/ipilimumab compared with 27% for nivolumab/chemotherapy and just 8% for chemotherapy.”

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Niraparib/Pembrolizumab Combo Active in Relapsed, Progressive TNBC

Excerpt:

“Half of patients with metastatic triple-negative breast cancer (TNBC) achieved disease control when treated with the combination of a poly (ADP-ribose) polymerase (PARP) inhibitor and an anti–PD-1 agent, a preliminary prospective study showed.

“Overall, 13 of 46 evaluable patients had objective responses to treatment with niraparib (Zejula) and pembrolizumab (Keytruda). An additional 10 patients had stable disease. Clinical activity was observed in patients beyond those with germline BRCA mutations.”

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Adding Bevacizumab to Erlotinib Prolongs PFS in EGFR-Mutated NSCLC

Excerpt:

“The combination of bevacizumab (Avastin) and erlotinib (Tarceva) is superior to erlotinib alone as upfront treatment for non–small cell lung cancer (NSCLC) harboring EGFR mutations. A preplanned interim analysis of the phase III study known as NEJ026 showed a median progression-free survival (PFS) by independent review (the primary endpoint) of 16.9 months with the bevacizumab/erlotinib combination compared with 13.3 months with erlotinib by itself, said Naoki Furuya, MD, PhD, at the 2018 ASCO Annual Meeting.”

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Adding Abemaciclib Offers Good Outcomes in Pre-/Perimenopausal Breast Cancer

Excerpt:

“The addition of the CDK4/6 inhibitor abemaciclib to fulvestrant significantly improved progression-free survival (PFS) and time to subsequent chemotherapy in pre- and perimenopausal women with hormone receptor–positive/HER2-negative advanced breast cancer, according to results from an analysis of the phase III MONARCH-2 trial (abstract 1002) presented at the 2018 American Society of Clinical Oncology (ASCO) Annual Meeting, held June 1–5 in Chicago.”

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