Ongoing Research Regarding Sinusitis Researchers continue to look at new ways of treating sinusitis. For example, initial studies of certain antifungal nasal medications have shown them to be highly effective in treating chronic sinusitis . However, these results have not been duplicated in all studies and further research is required before this approach can be deemed effective. In addition, studies are being conducted to better understand how certain germs that contribute to ear infections may also contribute to sinusitis . It is believed that at least two-thirds of sinusitis cases caused by bacteria stem from these germs. Experts hope that understanding how these germs become infectious may help lead to future vaccine strategies to reduce or eliminate certain types of sinusitis.