New combo therapy may offer lasting hay fever relief
NCT ID NCT04502966
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether taking a grass pollen tablet (SLIT) together with the drug dupilumab for 2 years can help adults with moderate to severe hay fever tolerate grass pollen better, even after stopping treatment. About 199 participants were involved. The main goal was to see if this combination reduces nasal allergy symptoms during a pollen challenge one year after treatment ends.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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Royal Brompton Hospital
London, SW36HP, United Kingdom