ALLERGIC RHINITIS

This study will compare two ways to treat moderate-to-severe allergic rhinitis (hay fever): a nasal spray with steroids plus another nasal spray with antihistamines, versus the same steroid spray plus antihistamine pills. About 50 people aged 12-75 will join to see which combo be…

This study tests whether giving extra booster doses of allergy immunotherapy directly into the tonsils can better control allergic rhinitis (hay fever) symptoms like sneezing and runny nose. About 276 adults will receive either the standard three doses or additional booster shots…

This study tests a new drug-free nasal spray called PL-14 Allergy Blocker in 120 adults with seasonal allergies. The spray forms a gel barrier in the nose to block allergens like pollen. Participants will use the spray or a saline spray for up to 30 days to see if it reduces symp…

This study looks at whether removing the adenoids (and sometimes tonsils) can improve allergy symptoms in children aged 3 to 12 with allergic rhinitis. It compares surgery to standard medication, measuring symptom changes and local allergy markers over 6 months. The goal is to se…

This study looks at whether a saltwater nasal spray already on the market safely helps relieve nasal congestion in infants and toddlers (3 months to 4 years old) with colds, flu, or allergies. About 83 children will use the spray for up to 14 days, and parents will report symptom…

This study tests a new nebulizer treatment made from tiny particles from stem cells (hUC-MSC-sEV-002) for people with both allergic rhinitis and asthma. The goal is to see if it is safe and can improve symptoms and quality of life. About 18 adults aged 18-60 will inhale the treat…

This study uses artificial intelligence to understand how air pollution and climate change affect respiratory diseases like asthma and allergic rhinitis. Researchers will gather health data from about 1,900 patients across nine European countries and combine it with environmental…