Proscavax Reduces Prostate Cancer Disease Progression

Excerpt:

“Phase 1a study results showed ProscaVax increased PSA doubling time and increased immunity to PSA, according to a manufacturer-issued press release.

“ProscaVax (OncBioMune Pharmaceuticals) is a novel immunotherapeutic cancer vaccine consisting of a combination of PSA and interleukin-2 and granulocyte-macrophage colony stimulating factor.”

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Electric Fields Therapy Improved Survival for Glioblastoma

Excerpt:

“The addition of tumor-treating fields to maintenance temozolomide chemotherapy significantly delayed progression and improved overall survival in patients with glioblastoma who had received standard radiochemotherapy compared with maintenance temozolomide alone, according to final results of a trial published in JAMA.

“Tumor-treating fields use low-intensity, alternating electric fields delivered via transducer arrays applied to the scalp. Patients treated with combined tumor-treating fields and temozolomide had a 37% improvement in progression-free and overall survival.”

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Bipolar Androgen Therapy Induces PSA Reductions in Metastatic CRPC

Excerpt:

“The use of bipolar androgen therapy (BAT), involving rapid cycling between high and low serum concentrations, was safe and resulted in responses and resensitization to enzalutamide in men with metastatic castration-resistant prostate cancer (CRPC) who progressed after initial enzalutamide therapy, according to a new study.

“ ‘Clinically, metastatic CRPC that has progressed after enzalutamide treatment is minimally responsive to further therapy that inhibits androgen receptor signaling,’ wrote study authors led by Benjamin A. Teply, MD, of Johns Hopkins School of Medicine in Baltimore. ‘Theoretically, rapidly varying the androgen concentrations between the extremes of supraphysiological and near-castrate, a strategy termed BAT, provides insufficient time for CRPC cells to adaptively regulate androgen receptor concentrations,’ and thus may promote cancer cell death and prevent resistance.”

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FDA Approves Stereotactic Radiotherapy System for Breast Cancer

Excerpt:

“The FDA has approved a novel breast-specific stereotactic body radiotherapy (SBRT) device known as GammaPod as a treatment for patients with early breast cancer, based on findings from a 17-patient study.

“In the small clinical trial, GammaPod was effectively used to deliver a single ‘boost’ radiation dose of 8 Gy directly to the tumor, while only eliciting grade 1 adverse events (AEs). The system uses a vacuum-assisted breast cup guided by a CT simulator with 1 mm slice thickness to immobilize the breast, which ensures the accurate delivery of radiation to the tumor.”

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Electric Fields Therapy Improved Survival for Glioblastoma

Excerpt:

“The addition of tumor-treating fields to maintenance temozolomide chemotherapy significantly delayed progression and improved overall survival in patients with glioblastoma who had received standard radiochemotherapy compared with maintenance temozolomide alone, according to final results of a trial published in JAMA.

“Tumor-treating fields use low-intensity, alternating electric fields delivered via transducer arrays applied to the scalp. Patients treated with combined tumor-treating fields and temozolomide had a 37% improvement in progression-free and overall survival.”

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Abemaciclib/Pembrolizumab Combo Shows Early Promise for HR+/HER2- Breast Cancer

Excerpt:

“The combination of abemaciclib (Verzenio) and pembrolizumab (Keytruda) showed preliminary signs of activity without additive toxicity for patients with pretreated HR-positive, HER2-negative metastatic breast cancer, according to early results from a pilot trial presented in a poster at the 2017 San Antonio Breast Cancer Symposium (SABCS).

“At a 16-week analysis, the objective response rate (ORR) with the combination was 14.3%, which was less than the response rate seen with single-agent abemaciclib in the MONARCH-1 trial (19.7%). However, the trial investigators noted that the median time to response for abemaciclib has historically been 3.7 months, suggesting the efficacy is likely to improve with longer follow-up. At 16 weeks, the ORR in the MONARCH-1 trial was 6.8%.”

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Patients With Breast Cancer Harboring AR Biomarker Likely to Respond to Enzalutamide

Excerpt:

“In patients with hormone receptor (HR)-positive advanced breast cancer and no prior endocrine therapy who were positive for a gene signature-based biomarker indicating androgen receptor (AR)-signaling, the addition of enzalutamide (Xtandi) to exemestane was found to significantly improve progression-free survival (PFS) from 4 months to 16.5 months.

“Moreover, the phase II trial showed no effect of enzalutamide on PFS in the overall cohort of patients nor in the biomarker-positive population who received prior endocrine therapy, said Denise Yardley, MD, at the 2017 San Antonio Breast Cancer Symposium.”

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Continued Activity Reported for Pembrolizumab/Eribulin in TNBC

Excerpt:

“Updated results of the phase Ib/II ENHANCE1/KEYNOTE-150 study presented at the 2017 San Antonio Breast Cancer Symposium found that the combination of pembrolizumab (Keytruda) and eribulin (Halaven) was associated with a 26.4% objective response rate (ORR) for patients with metastatic triple-negative breast cancer (TNBC).

“In the open-label study, the ORR with the combination for untreated patients with metastatic TNBC (n = 65) was 29.2% (95% CI, 18.6%-41.8%). In a cohort of patients pretreated with 1 to 2 therapies (n = 41), the ORR was 22.0% (95% CI, 10.6%-37.6%). Across all treatment arms, there were 3 complete responses to the combination (2.8%).”

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First Line Combination Therapy Improves Progression-Free Survival in Advanced Lung Cancer

Excerpt:

“A new combination therapy for the first line treatment of advanced non-squamous non-small-cell lung cancer (NSCLC) improves progression-free survival (PFS), according to results of the phase III IMpower150 trial presented at the ESMO Immuno Oncology Congress 2017.

” ‘This is the first phase III trial to report on the combination of chemotherapy, antiangiogenic treatment and immunotherapy as first line treatment for advanced non-squamous NSCLC,’ said lead author Professor Martin Reck, chief oncology physician, Department of Thoracic Oncology, Lung Clinic Grosshansdorf, Germany. ‘The trial met its co-primary endpoint of PFS and the preliminary results of the co-primary endpoint of overall survival (OS), although immature, look encouraging.’ ”

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