Nasopharyngitis

This study is testing whether a dietary supplement called IDP (Immune Defense Protein) can reduce the length and severity of cold and flu symptoms in people aged 60 and older. About 300 participants will take either a low or high dose of IDP or a placebo daily during cold and flu…

This study tests an oral drug called vapendavir in 180 adults with COPD who catch a rhinovirus (common cold). The goal is to see if it can reduce the severity and length of breathing symptoms compared to a placebo. Participants are randomly assigned to one of two doses or a place…

This study will test four medical devices (HMG, PHN, PHR, TUR) in 160 adults with sore throat from acute pharyngitis or viral tonsillitis. The goal is to see if they are safe and help reduce symptoms like pain when swallowing. Participants will use the device for up to 7 days and…

This study tests a new pill containing three ingredients (dipyrone, caffeine, and chlorpheniramine) to see if it works as well as a standard cold medicine for relieving stuffy nose and other cold and flu symptoms. About 620 adults with early cold or flu symptoms will take either …

This study is testing four medical devices (PIR, NS, NHE, NHG) in 150 adults with acute viral rhinitis, rhinosinusitis, or rhinopharyngitis (common cold). The goal is to see if they are safe and help reduce symptoms like sneezing, runny nose, and sore throat. Participants use the…

This study tests whether taking fish oil for 12 weeks can help the body adapt to cold by activating brown fat, which burns energy to produce heat. Thirty healthy adults aged 18-40 will take either fish oil or a placebo and then undergo a cold chamber challenge. Researchers will m…

This study tests two throat sprays (CDN and CW) for adults with a cough from a viral cold. About 58 people will use one of the sprays for 7 days and report how well it works and any side effects. The goal is to see if these sprays are safe and help ease cough symptoms.

This study is testing a seawater spray mixed with essential oils to see how well it relieves nasal congestion from colds, sinus infections, or allergies. About 114 people aged 12 and older will use the spray for 7 days. The main goal is to see if nasal blockage improves after 3 d…

This study is testing a new seawater spray with essential oils to see if it safely relieves nasal congestion from colds, sinus infections, or allergies. About 101 people aged 12 and older will use the spray for 8 days. The main goal is to check if nasal stuffiness improves by at …

This study will track which respiratory viruses—like flu, COVID-19, and RSV—are circulating in French primary care clinics each winter. Up to 25,000 patients with cold or flu symptoms will provide a saliva or nose swab sample. The goal is to monitor virus activity and help guide …

This pilot study from Colorado State University will test 20 healthy adults (ages 18-40) to see if cold temperatures change how the body burns fat during exercise, and whether that change differs between females and males. Participants will exercise in both a normal room and a ve…

This study tests whether a two-part approach—improving communication about viral infections and having pharmacists double-check prescription lengths—can reduce how many days antibiotics are prescribed for respiratory infections like bronchitis, sinusitis, and sore throat. About 4…