Although huge strides have been made with antiretroviral therapy (ART) and prevention since HIV was first reported 42 years ago, there is still not an effective preventive vaccine or a scalable cure for those living with HIV. But broadly neutralizing antibodies (bNAbs) look to be a further step down the pathway to a cure, speakers said during the International AIDS Society meeting held July 23 to 26 in Brisbane, Australia.
Evaxion Biotech A/S has unveiled the technology behind its proprietary genetic adjuvant developed to enhance the effectiveness of DNA and mRNA vaccines for infectious diseases and cancer.
Defence Therapeutics Inc. says it has successfully established a strategy conjugating mRNA molecules to Accum, the company’s core technology that enables precision delivery of vaccine antigens or antibody-drug conjugates in their intact form to target cells.
In a striking demonstration of how the success of mRNA vaccines against COVID-19 has opened up the potential of the technology in cancer, mice that cleared a tumor after a single administration of an mRNA vaccine, also cleared a second tumor without receiving further immunization. This display of potent immunogenicity formed part of a head-to-head study of three different mRNA technology platforms in human papillomavirus (HPV)-16 associated tumors.
In the larger picture, the fight against HIV has been a triumph of modern medicine. A patient diagnosed with HIV in the 1980s had a remaining life expectancy of 1 to 2 years. In 2023, they can expect to live another half century. But so far, an HIV vaccine has remained elusive. In the newest phase III failure, Janssen Pharmaceutical Cos. of Johnson and Johnson closed down its Mosaico trial more than a year ahead of schedule, following a data and safety monitoring board’s (DSMB) report saying the study was not expected to hit its primary endpoint.
Jiangsu Recbio Technology Co. Ltd. has received clinical trial approval for its novel adjuvanted recombinant shingles vaccine, REC-610, from the Food and Drug Administration of the Philippines. A phase I trial will be conducted in healthy volunteers.
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