TapImmune Releases Positive Data on Phase I Clinical Trial in Ovarian and Breast Cancer

TapImmune Releases Positive Data on Phase I Clinical Trial in Ovarian and Breast Cancer
shutterstock_174165935TapImmune Inc. has reported that analysis of the interim data from the first 13 patients of its Phase I clinical trial, show that every patient developed an enhanced T-cell immune response specifically against a set of 5 naturally processed folate receptor alpha Class II antigenic epitopes. Folate receptor alpha is expressed in almost 50% of breast cancers and in over 95% of ovarian cancers. In both of these cases, the only treatment option remains surgery and chemotherapy, raising a clinical need for a new type of therapy. The majority of these subtypes of ovarian and breast cancer, have a high rate of recurrence, with a very low survival prognosis. TapImmune designed a Phase I clinical trial whereby 8 women with Stage II-III HER2-negative breast cancer, 13 women with ovarian cancer and one with fallopian tube cancer, received multiple epitope Folate Receptor Alpha peptide vaccine in combination with cyclophosphamide (a prodrug used in chemotherapy), with the objective of assessing safety, specific T cell responses and time to disease recurrence after vaccination. Researchers observed that all patients mounted a specific immune response and, importantly, all five constituent peptides were immunogenic. TapImmune’s PolyStart technology is a unique vaccine platform Antigen Expression Systems that can enhance the presentation of the desired peptide on the sur
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