Status:

COMPLETED

Mechanisms of Capsaicin Treatment in Idiopathic Rhinitis Patients and Controls

Lead Sponsor:

Universitaire Ziekenhuizen KU Leuven

Conditions:

Rhinitis

Eligibility:

All Genders

18-60 years

Phase:

PHASE4

Brief Summary

Capsaicin nasal spray is used in daily practice against IR without knowledge about the exact mechanisms involved in this treatment. Therefore, this study aims to address this issue by studying the fun...

Detailed Description

As an essential step towards the improvement of the treatment of IR we will investigate the neural mechanisms underlying the therapeutic action of capsaicin. In particular, we plan to evaluate the eff...

Eligibility Criteria

Inclusion

  • Patients with persistent (\> 52w) rhinological symptoms: nasal discharge, sneezing, congestion for an average of at least 1 h per day for at least 5 days during a period of 14 days, negative skin prick test or negative RAST, and without structural abnormalities explaining nasal obstruction will be proposed to participate in the trial.
  • Age \> 18 and \< 60 years
  • Written informed consent
  • Willingness to adhere to visit schedules
  • Adequate contraceptive precautions in female patients with childbearing potential
  • Unresponsiveness to nasal steroid spray (4 weeks of use)

Exclusion

  • Age \< 18 and \> 60 years
  • Patients with AR, demonstrated by either positive skin prick test or RAST
  • Asthma
  • Structural abnormalities: nasal polyps, severe septal deviation (septum reaching concha inferior or lateral nasal wall.
  • Systemic steroid treatment less than 4 weeks before the inclusion in the study.
  • Nasal steroid spray less than 4 weeks before the inclusion, oral leukotriene antagonists or long-acting antihistamines less than 2 weeks before the inclusion.
  • Inability of the patient to stop taking medication affecting nasal function.
  • Evidence of infectious rhinitis/rhinosinusitis.

Key Trial Info

Start Date :

February 1 2012

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2014

Estimated Enrollment :

39 Patients enrolled

Trial Details

Trial ID

NCT01862523

Start Date

February 1 2012

End Date

December 1 2014

Last Update

December 5 2014

Active Locations (1)

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UZ Leuven

Leuven, Vlaams-Brabant, Belgium, 8000