Cancer Vaccine: Experimental Drug Shows Promise in Animal Trials
An experimental therapeutic cancer vaccine induced two distinct and desirable immune system responses that led to significant tumour regression in mice, report investigators.
Washington [US], November 11 (ANI): Researchers from the National Institute of Allergy and Infectious Diseases (NIAID), have reported that an experimental therapeutic cancer vaccine induced two distinct and advantageous immune system responses that resulted in significant tumour regression in mice.
The delivery of the vaccine intravenously (IV) increased the number of cytotoxic T cells capable of penetrating and destroying tumour cells and activated the innate immune system by producing type I interferon, according to the researchers. Measles Outbreak: Centre Deputes High-Level Team to Mumbai To Assess and Manage Upsurge in Cases.
The innate immune response altered the tumour microenvironment by combating inhibitory factors that would have otherwise stifled T-cell activity. In mice that got the immunisation by needle injection into the skin, the tumour microenvironment did not change (subcutaneous administration).
The scientific team's method, known as "vax-innate," accomplishes a crucial objective in the search for more potent immunotherapeutic cancer vaccines. The study shows that tumour-induced immunosuppressive activity is overcome by IV vaccine administration, enabling and enhancing T-cell immunity. COVID-19 Vaccine Clinical Trial Data Can’t Be Demanded in Garb of PIL, Centre to Supreme Court
The proposed vaccination, according to the researchers, may also be administered intravenously to patients who have already received tumour-specific T cells as a kind of therapy. According to the researchers, it may also enhance tumour control by boosting T cell numbers and improving the tumour microenvironment.
Robert Seder, M.D., and colleagues at the NIAID Vaccine Research Center (VRC), along with partners from Vaccitech North America, a clinical-stage biopharmaceutical company in Baltimore, Maryland, developed the experimental vaccine known as SNAPvax. In 2023, Vaccitech hopes to develop the SNAPvax platform for use in treating cancers linked to the human papillomavirus. (ANI)
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