MimiVax Announces Positive Interim Results from Phase II Trial of SurVaxM Immunotherapy for the Treatment of Newly Diagnosed Glioblastoma

Excerpt:

“MimiVax LLC, a clinical-stage biotechnology company developing immunotherapeutics and targeted therapies for cancer treatment, today announced positive interim results from a multicenter Phase II study of SurVaxM in patients with newly diagnosed glioblastoma (nGBM). These promising interim results support further development of SurVaxM in combination with standard therapy as a potential treatment for glioblastoma. A randomized trial of SurVaxM in glioblastoma is planned, pending completion of this study and review at the end of Q4 2018.”

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Practice-Changing Developments in Treatment of Metastatic NSCLC


Immune checkpoint inhibitor drugs that target the proteins PD-1 and PD-L1 are by now well established in the treatment of non-small cell lung cancer (NSCLC). In 2015, the U.S. Food and Drug Administration (FDA) approved nivolumab (Opdivo), an anti-PD-1 drug, for treatment of patients with metastatic NSCLC who progressed or relapsed after platinum-based chemotherapy. Atezolizumab (Tecentriq), an anti-PD-L1 drug, was approved in 2016 for treatment of NSCLC patients in the same situation. In October 2016, the FDA approved Pembrolizumab (Keytruda), a competing anti-PD-1 antibody, as first-line treatment in metastatic NSCLC patients whose tumors have high expression levels of the PD-L1 protein.

With these approvals, the stage was set to move these drugs into combination treatments that may increase their efficacy. Not surprisingly, combinations with chemotherapy have now been explored, among other possibilities. Continue reading…


Novel Radionuclide Treatment Demonstrates Promising Results in mCRPC

Excerpt:

“Updated results from the phase II LuPSMA study published in The Lancet Oncology showed radionuclide treatment with Lutetium-177 [177Lu]-PSMA-617 nearly doubled median PSA progression-free survival (PFS) in men with progressive metastatic castrate-resistant prostate cancer (mCRPC) compared with previous results with another radiopharmaceutical, radium-223 (Ra-223; Xofigo).

“In LuPSMA, the median PSA PFS was 7.6 months (95% CI, 6.3-9.0) and 27 (90%) of 30 men experienced PSA progression. The median overall survival (OS) was 13.5 months (95% CI, 10.4-22.7) and 22 (73%) men had died by the November 2017 data cutoff.”

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Study Evaluating VBI-1901 Enrolling Recurrent GBM Patients in Second Dose Group

Excerpt:

“An Independent Data and Safety Monitoring Board (DSMB) unanimously recommended that the Phase 1/2 clinical trial evaluating VBI Vaccines’ VBI-1901 continue to enroll patients with recurrent glioblastoma (GBM) in a second study arm.

“The positive review recommended the study continue without modification, after scanning through all safety data from the first group of patients, who received the lowest VBI-1901 dose. Enrollment now has commenced for the second, intermediate-dose study arm.”

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Carboxyamidotriazole Orotate Shows Promising Activity in Brain Cancers

Excerpt:

“Carboxyamidotriazole orotate (CTO) in combination with temozolomide (Temodar), with or without radiotherapy, produced positive safety and efficacy results in a phase Ib study of patients with glioblastoma (GBM) or anaplastic gliomas.

“Forty-two patients were divided into 2 cohorts and received treatment. Cohort 1 included 27 patients with recurrent, temozolomide-refractory anaplastic gliomas or GBM. Twenty-one patients were assigned to a regimen of 219 to 812.5 mg/m2 of once-daily CTO in escalating doses and 6 were assigned to a fixed daily dose of 600 mg of CTO. All 27 patients received 150 mg/m2 of temozolomide on days 1 to 5 of each 28-day cycle.”

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Low-Dose Abiraterone With Food vs Standard-Dose Abiraterone in Castration-Resistant Prostate Cancer

Excerpt:

“In a phase II trial reported in the Journal of Clinical Oncology, Szmulewitz et al found that low-dose abiraterone (Zytiga) given with a low-fat meal was noninferior to standard-dose abiraterone in the fasting state with regard to reduction in prostate-specific antigen (PSA) levels among patients with castration-resistant prostate cancer.”

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TLR9 Agonist CMP-001-Pembrolizumab Combination Shows Early Efficacy for Metastatic Melanoma Resistant to Anti-PD-1

Excerpt:

A combination of CMP-001, an intratumoral Toll-like receptor 9 (TLR9) agonist, and pembrolizumab (Keytruda), tested in patients with metastatic melanoma resistant to PD-1 checkpoint inhibition, was well tolerated and had clinical activity according to preliminary data presented from the ongoing phase Ib clinical trial at the AACR Annual Meeting 2018, April 14-18, in Chicago.

” ‘Checkpoint inhibition is quickly becoming a key tool for oncologists to treat cancer,’ said Mohammed Milhem, MBBS, clinical professor of internal medicine at the University of Iowa, Iowa City. ‘However, there are many  that either initially respond to checkpoint inhibition and then progress, or never respond to this therapy to begin with. Finding safe and effective therapies for these patients is critical.’ ”

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Frontline Atezolizumab Benefit in NSCLC Sustained Across Biomarker-Driven Subgroups

Excerpt:

“Adding atezolizumab (Tecentriq) to chemotherapy and an angiogenesis inhibitor led to significant improvement in progression-free survival (PFS) for patients with untreated advanced nonsquamous non–small cell lung cancer (NSCLC), according to results from an ongoing trial presented at the 2018 AACR Annual Meeting.

“In the IMpower150 trial, patients who received the PD-L1 inhibitor along with bevacizumab (Avastin) and chemotherapy had a median PFS of 8.3 months compared with 6.8 months with bevacizumab and chemotherapy. The difference translated into a 38% reduction in the hazard for progression or death (HR, 0.62; 95% CI, 0.52-0.74; P <.0001).”

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Opdivo Plus Low-Dose Yervoy Combination Reduces the Risk of Progression or Death by 42% Versus Chemotherapy in First-Line Lung Cancer Patients with High Tumor Mutational Burden (TMB)

Excerpt:

Bristol-Myers Squibb Company (NYSE: BMY) today announced initial results from the pivotal Phase 3 study, CheckMate -227, evaluating the Opdivo (nivolumab) 3 mg/kg plus low-dose Yervoy (ipilimumab, 1 mg/kg) combination in first-line advanced non-small cell lung cancer (NSCLC) patients with high tumor mutational burden (TMB) ≥10 mutations/megabase (mut/Mb). In the study, the combination demonstrated a superior benefit for the co-primary endpoint of progression-free survival (PFS) versus chemotherapy (HR 0.58; 97.5% CI: 0.41 to 0.81; p=0.0002). The PFS benefit was observed regardless of PD-L1 expression levels and in both squamous and non-squamous tumor histology. Additionally, based on an early descriptive analysis, encouraging overall survival was observed with the combination versus chemotherapy in patients with high TMB ≥10 mut/Mb (HR 0.79; 95% CI: 0.56 to 1.10).”

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