One way to prevent the effect of a molecule is to use the cell’s own machinery to break it down. This is what the PROTAC technology does, an acronym for proteolysis targeting chimera, or BacPROTAC, when applied to bacteria. A study led by Austrian and German scientists has demonstrated the effectiveness of this technique in eliminating the tuberculosis pathogen Mycobacterium tuberculosis (Mtb). The finding opens the door to the BacPROTAC strategy as an alternative to the development of drugs against this microorganism.
Beijing Luzhu Biotechnology Co. Ltd. raised a net HK$242 million (US$31 million) from an IPO in Hong Kong but shares in the developer of vaccines and therapeutics for infectious diseases, cancer and autoimmune diseases plummeted on the first day of trading. Luzhu’s shares (HK:2480) started trading on May 8 at HK$31.50 and fell about 30% throughout the day to close at HK$22. Founded in 2001, Luzhu has yet to turn a profit. It recorded net losses of ¥725.2 million (US$92 million) in 2022 and ¥539.4 million in 2021.
Nanjing Zhihe Pharmaceutical Technology Co. Ltd. has described nucleotide derivatives acting as prodrugs reported to be useful for the treatment of viral infections.
The Research Foundation of State University of New York has identified compounds targeting the synthesis of fungal sphingolipids, particularly ceramide glucosyltransferase (glucosylceramide) inhibitors, reported to be useful for the treatment of fungal infections.
The U.S. FDA has approved the country’s first-ever respiratory syncytial virus (RSV) vaccine, Arexvy, from GSK plc. The adjuvanted vaccine is also the first for older adults anywhere on the planet. GSK now has a head start to vaccinate the U.S. market, but other big companies, such as Sanofi SA and especially Pfizer Inc., are in late-stage development and will pose strong challenges in the coming year. Pfizer’s PF-0692831/RSVpreF, an RSV vaccine for treating lower respiratory tract disease caused by RSV, has a priority BLA with a May 31 PDUFA date.
A precancerous condition caused by the human papillomavirus (HPV) affects up to 300,000 American women who are diagnosed each year, and yet there are no treatments, just preventive vaccines introduced in 2006 – targeted to younger generations prior to the first sexual encounter. That leaves a large proportion of the female population stuck with a “wait-and-see” approach that involves continuous monitoring of their HPV infection through pap smears to detect cellular changes that could lead to cervical cancer. South San Francisco-based Antiva Biosciences Inc. is seeking to find a better response to this condition known as high-grade cervical intraepithelial neoplasia (CIN2,3) with its lead topical therapeutic, ABI-2280, a prodrug of an acyclic nucleoside phosphonate that is currently in phase I trials.
Rnaimmune Inc., a nonwholly owned subsidiary of Sirnaomics Ltd., has received clearance from the FDA for its IND application to conduct a phase I trial for RV-1730, a SARS-CoV-2 vaccine booster candidate.
RSS
