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In this regular feature on Breakthroughs, we highlight some of the most interesting reads in global health research from the past week.

February 3, 2025 by Hannah Sachs-Wetstone

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On World Neglected Tropical Diseases (NTDs) Day last week, the Global Health Innovative Technology (GHIT) Fund announced that it is investing $12.7 million across eight projects to further the development of new technologies to help address NTDs and a range of other diseases. Specifically, the funding aims to further the development of new diagnostics and drugs for leishmaniasis, dengue, malaria, Lassa fever, Rift Valley fever, Ebola, and Marburg, which is being led by various global product development partnerships and companies, including Medicines for Malaria Venture, PATH, and the Drugs for Neglected Diseases initiative.  

Newly published research led by the global collaborative endTB project found three new safe and effective drug regimens to treat tuberculosis (TB) resistant to rifampin, the most effective first-line TB antibiotic currently available. These findings help expand the toolkit of treatments for patients with drug-resistant TB in the face of rising resistance globally, offering regimens that are shorter, less toxic, and do not require injections compared to currently available options. The new regimens use two drugs, bedaquiline and delamanid, which have been in use for just over a decade, in combination with older medications. The trial, launched in 2017, involved hundreds of patients across seven countries, including populations often excluded from clinical trials: children, people infected with HIV or hepatitis C, and women who became pregnant while on treatment, ensuring these groups are not excluded from new treatment recommendations.

A recently published study found that a prophylactic antibody-based immune therapy protected monkeys against severe disease caused by H5N1 avian influenza, as the outbreak in the United States continues to cause concern. The broadly neutralizing antibody targets a relatively stable region of the virus and is therefore less prone to losing its efficacy than antibodies targeting viral structures that are prone to mutate, helping to ensure that the protection conferred by the therapy can withstand the possible emergence of virus variants. If proven successful in further studies, the therapy could be used to prevent severe disease in at-risk populations and protect first responders and other health care providers in the early stages of an outbreak, and more broadly, this research helps set the stage for the development of medical countermeasures in the case of future outbreaks of influenza.

About the author

Hannah Sachs-WetstoneGHTC

Hannah supports advocacy and communications activities and member coordination for GHTC. Her role includes developing and disseminating digital communications, tracking member and policy news, engaging coalition members, and organizing meetings and events.Prior to joining GHTC,...read more about this author