Can Trastuzumab Duration Be Shortened in HER2-Positive Breast Cancer?

Excerpt:

“Adding to a growing list of similar results, the Short-HER study was unable to show noninferiority of 9 weeks of trastuzumab compared with the standard 1 year when given along with chemotherapy in women with HER2-positive breast cancer. Shorter administration does, however, reduce the risk of cardiotoxicity.

” ‘Adjuvant pivotal trials with 1-year trastuzumab have significantly improved the prognosis of HER2-positive early breast cancer,’ wrote study authors led by Pierfranco Conte, MD, of the Istituto Oncologico Veneto in Italy. Several studies have attempted to reduce the duration of trastuzumab, though most have failed to show noninferiority.”

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BRAF-MEK Inhibitor Combo Extends Survival n BRAF-Mutant Melanoma

Excerpt:

“The combination of encorafenib and binimetinib resulted in longer overall survival (OS) compared with vemurafenib in patients with BRAF V600–mutant melanoma, according to results of the COLUMBUS trial. Combined with an earlier report showing improved progression-free survival (PFS), this suggests the regimen should become an important option in this setting.

“Small-molecule BRAF inhibitors, originally introduced as monotherapy, offered improvements in outcomes for these melanoma patients. ‘However, response durations were short and BRAF inhibitor treatment was associated with the development of squamous cell skin cancer and other skin toxicities related to paradoxical MAPK pathway activation,’ wrote study authors led by Reinhard Dummer, MD, of University Hospital Zurich in Switzerland. Combinations of BRAF and MEK inhibition have improved the situation further, but better treatment options are still needed.”

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What to Expect When Active Surveillance Leads to Prostatectomy

Excerpt:

“A high proportion of men who entered active surveillance for early prostate cancer had one or more high-risk disease characteristics when they subsequently had radical prostatectomy, a Swedish study showed.

“Medical records showed that 52 of 132 men had at least one adverse pathology feature at radical prostatectomy. All the men initially opted for active surveillance, and the median time from enrollment to surgery was 1.9 years.”

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Repotrectinib Shows Promising Activity in ROS1+ NSCLC

Excerpt:

“Repotrectinib (TPX-0005) demonstrated a clinically meaningful and durable benefit across multiple doses in patients with ROS1 fusion–positive non–small cell lung cancer (NSCLC).

“Overall response rates (ORRs) were 80% for tyrosine kinase inhibitor (TKI)-naïve patients (95% CI, 44-97) and 18% for TKI-refractory patients (95% CI, 4-44), including 33% for those who received a dose of 160 mg once daily, according to findings from the ongoing phase I/II TRIDENT-1 study. Interim analysis results were presented at the 19th World Conference on Lung Cancer (WCLC).”

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Lurbinectedin Combo Induces Clinical Activity in Chemo-Sensitive SCLC

Excerpt:

“Lurbinectedin (Zepsyre; PM1183) plus doxorubicin demonstrated significant clinical activity as a second-line therapy for patients with small cell lung cancer (SCLC), especially when excluding refractory patients.

“In particular, patients with chemotherapy-free intervals (CTFIs) of 90 days or more induced a 53% overall response rate (ORR) and PFS of 5.7 months, according to findings that were presented at the 19th World Conference on Lung Cancer (WCLC) in Toronto, Canada.”

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LOXO-292 Safe, Effective for RET-Altered Non-Small Cell Lung Cancer

Excerpt:

“LOXO-292 appeared well tolerated and demonstrated antitumor activity among patients with heavily pretreated RET fusion-positive non-small cell lung cancer, according to updated interim results of a global, phase 1/phase 2 trial presented at International Association for the Study of Lung Cancer’s World Conference on Lung Cancer.

“Researchers reported initial clinical data from the LIBRETTO-001 dose escalation/expansion study of LOXO-292 (Loxo Oncology) — an oral and selective agent in clinical development for cancers that harbor abnormalities in the rearranged during transfection (RET) kinase — at ASCO Annual Meeting in June.”

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Novel Agent Active in ROS1-Mutant NSCLC

Excerpt:

“Three-fourths of patients with ROS1-positive non-small cell lung cancer (NSCLC) had objective responses lasting an average of 2 years with an investigational multikinase inhibitor, a preliminary trial showed.

“Overall, 41 of 53 patients responded to treatment with entrectinib, including 17 of 33 patients with central nervous system (CNS) metastases at baseline. Responses had a median duration of 24.6 months among patients without CNS metastases and 13.6 months among those with CNS metastases.”

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AstraZeneca Buoyed as Imfinzi Cuts Lung Cancer Deaths by a Third

Excerpt:

“AstraZeneca’s immunotherapy drug Imfinzi cut the risk of death in patients with mid-stage lung cancer by nearly a third in a closely watched clinical study, reinforcing the case for using the drug in earlier disease.

“The encouraging overall survival data boosts prospects for a medicine that was approved this week in Europe and has already had a promising U.S. commercial launch, based on its ability to slow disease progression.”

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Roche’s Tecentriq, Trailing Rival Drugs, Lifts Lung Cancer Survival

Excerpt:

“A drug cocktail with Roche’s Tecentriq added two months to small-cell lung cancer patients’ lives, according to a study, aiding the Swiss group’s bid to win approval in a niche disease area before rivals that now dominate the immunotherapy market.

“Patients with untreated extensive-stage small-cell lung cancer (SCLC), where cancer has spread, lived a median 12.3 months after getting Tecentriq plus chemotherapy.”

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