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HIV vaccines suffer setbacks but new approaches could turn the tide

Pharmaceutical Technology

Only a few weeks into the new year, the prospect of getting a successful advanced HIV vaccine shrank after the discontinuation of yet another late-stage trial. On January 18, Janssen, a Johnson & Johnson (J&J) subsidiary, stated that its vaccine was not effective in preventing HIV infections.

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Monoclonal antibody could protect against Epstein-Barr virus

Drug Discovery World

Studies of interactions between two lab-generated monoclonal antibodies (mAbs) and an essential Epstein-Barr virus (EBV) protein have uncovered targets that could be exploited in designing treatments and vaccines for the virus. There is no vaccine to prevent EBV infection nor a specific treatment.

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Antibodies protect against HIV in animal studies

Drug Discovery World

Three different HIV antibodies each independently protected monkeys from acquiring simian-HIV (SHIV) in a placebo-controlled proof-of-concept study intended to inform development of a preventive HIV vaccine for people. 15 acquired SHIV, and 25% of those receiving the antibody called DF1W-a.01 Among monkeys that received VRC34.01

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Gritstone bio supports mRNA Covid-19 vaccine plans with Phase I publication

Pharmaceutical Technology

Gritstone bio has reported interim results from an ongoing Phase 1 study evaluating the company’s self-amplifying mRNA (samRNA) vaccine as a boost against Covid-19 (CORAL-BOOST). The Phase I CORAL-BOOST dose-escalation trial (NCT05148962) evaluated Gritstone’s samRNA candidate (GRT-R910) in previously vaccinated healthy older adults.

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Temperature-stable tuberculosis vaccine safe, prompts immune response in first-in-human trial

Medical Xpress

A clinical trial testing a freeze-dried, temperature-stable experimental tuberculosis (TB) vaccine in healthy adults found that it was safe and stimulated both antibodies and responses from the cellular arm of the immune system. A non-temperature stable form of the candidate previously had been tested in several clinical trials.

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Nanoparticle universal flu vaccine enters Phase I trials

Drug Discovery World

Enrolment in a Phase I trial of a new investigational universal influenza vaccine candidate has begun at the National Institutes of Health’s Clinical Center in Bethesda, Maryland, US. An ideal universal influenza vaccine could be taken less frequently than once a year and protect against multiple strains of influenza virus.

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Monoclonal antibody could transform malaria prevention

Drug Discovery World

One dose of an antibody drug safely protected healthy, non-pregnant adults from malaria infection during an intense six-month malaria season in Mali, Africa. . The antibody was up to 88.2% The Phase II NIAID-USTTB trial evaluated a one-time, intravenous infusion of a monoclonal antibody called CIS43LS. .