# Impacts of Nitrogen Deposition in the Natural Environment on Pollen Allergy in Belgium

> **NCT06714149** · NA · RECRUITING · sponsor: **prof. dr. Rik Schrijvers** · enrollment: 200 (estimated)

## Conditions studied

- Pollen Allergy

## Interventions

- **DIAGNOSTIC_TEST:** Immunoreactivity testing
- **DIAGNOSTIC_TEST:** Immunoreactivity testing (negative control)

## Key facts

- **NCT ID:** NCT06714149
- **Lead sponsor:** prof. dr. Rik Schrijvers
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2022-06-29
- **Primary completion:** 2025-02
- **Final completion:** 2025-04
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2024-12-03

## Collaborators

- [object Object]
- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06714149

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06714149, "Impacts of Nitrogen Deposition in the Natural Environment on Pollen Allergy in Belgium". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT06714149. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*