Completed PHASE2 INTERVENTIONAL NCT00290368

Repeat Nasal Allergen Challenge

Assessment of Inflammatory Mediator and Cellular Changes Following Repeated Nasal Allergen Challenge in Subjects With Allergic Rhinitis Sensitive to Timothy Grass Pollen - a Validation Study

Sponsor: Imperial College London

Conditions Hayfever

Interventions Nasal allergen challenge Nasal filter paper placement Nasal lavage Nasal scrape Nasal symptoms score Skin Prick Test

Updated 6 times since 2017 Last updated: Sep 13, 2023 Started: Feb 28, 2006 Completion: May 31, 2006

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE2 clinical study on Hayfever, this trial is completed. The trial is conducted by Imperial College London and has accumulated 6 data snapshots since 2006. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Oct 2023 — Jul 2024 [monthly]

Completed PHASE2
Jan 2021 — Oct 2023 [monthly]

Completed PHASE2
Jun 2018 — Jan 2021 [monthly]

Completed PHASE2

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed PHASE2

First recorded

Feb 2006

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Imperial College London
Novartis Pharmaceuticals

Data source: Imperial College London

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• London, United Kingdom