How quickly does Dupixent (dupilumab) improve nasal polyps symptoms?
Dupixent can start improving nasal polyp–related symptoms relatively early, but the exact timing depends on which outcome you mean (nasal congestion, sense of smell, or polyp size).
In the clinical trials that supported Dupixent for nasal polyps, the most noticeable improvements were typically measured over the first several months, with results assessed at set time points during treatment [1][2].
When would you expect smell and congestion to start improving?
Patients often look first for changes in smell and breathing through the nose. In studies, smell and nasal congestion outcomes were tracked at multiple visits across the treatment period, and improvements were reported by interim time points rather than only at the end of the trial [1][2].
How long until polyp size changes?
Reduction in polyp size is a later, measurable marker compared with symptom relief. Trial assessments included imaging and endoscopic evaluations at scheduled intervals, showing improvement over time on therapy [1][2].
What if it doesn’t seem to be working right away?
If symptoms are not improving after a few months, clinicians typically reassess whether to continue and whether the patient’s nasal polyps are responding as expected. The studies driving use for nasal polyps look at changes across the course of treatment rather than overnight responses [1][2].
What affects how fast it works?
Response timing can vary with factors such as baseline severity of nasal polyps, concurrent treatments (for example, steroid nasal sprays or oral steroids when used), and whether the patient has comorbid conditions like asthma or other type 2 inflammation patterns. Trial results reflect averages across groups, so individuals can differ [1][2].
Sources
- https://www.accessdata.fda.gov/drugsatfda_docs/label/2024/761055s031lbl.pdf
- https://clinicaltrials.gov/ct2/show/NCT02859727