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Istari Oncology Announces FDA Grants Orphan Drug Designation for PVSRIPO for the Treatment of Advanced Melanoma
Istari Oncology Announces FDA Grants Orphan Drug Designation for PVSRIPO for the Treatment of Advanced Melanoma Istari Oncology, Inc., a clinical-stage biotechnology company, today announced that the U.S. Food and Drug Administration (FDA) has granted orphan drug designation for PVSRIPO for the treatment of advanced melanoma (stage IIB-IV). PVSRIPO is a novel viral immunotherapy, based on the Sabin type 1 polio vaccine, that activates a patients innate and adaptive immune system to facilitate an anti-tumor response and establish long-term immunologic memory to help prevent the cancers return.
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DURHAM, N.C. - Glioblastoma brain tumors are especially perplexing. Inevitably lethal, the tumors occasionally respond to new immunotherapies after they ve grown back, enabling up to 20% of patients to live well beyond predicted survival times.
What causes this effect has long been the pursuit of researchers hoping to harness immunotherapies to extend more lives.
New insights from a team led by Duke s Preston Robert Tisch Brain Tumor Center provide potential answers. The team found that recurring glioblastoma tumors with very few mutations are far more vulnerable to immunotherapies than similar tumors with an abundance of mutations.
The finding, appearing online Jan. 13 in the journal
Pvsripo is a novel immunotherapy that activates patients’ innate and adaptive immune system to enable anti-tumor response and establish immunologic memory to prevent the recurrence of cancer.<br />