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Evaluating Symptom Control in in Allergic Rhinitis at Three Years After Starting Immunotherapy

24. oktober 2013 opdateret af: Universitaire Ziekenhuizen KU Leuven
Allergic rhinitis (AR) is defined as inflammation of the nasal mucosa after exposition to an allergen in sensitized patients. AR causes not only nasal symptoms such as sneezing, itchy nose, rhinorrhea and nasal obstruction, but also has a significant impact on quality of life. Symptom control and overall satisfaction in patients undergoing subcutaneous immunotherapy (SCIT) or sublingual immunotherapy (SLIT) on the long term has not yet been investigated so far.

Studieoversigt

Status

Afsluttet

Betingelser

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

434

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • Vlaams-Brabant
      • Leuven, Vlaams-Brabant, Belgien, 3000
        • ORL
    • Vlaams-brabant
      • Leuven, Vlaams-brabant, Belgien, 3000
        • UZ Leuven

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

19 år til 59 år (Voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

patients who started immunotherapy

Beskrivelse

Inclusion Criteria:

  1. Patients with at least 2 AR symptoms and a positive skin prick test for the 20 most prevalent inhalant allergens (house dust mites, grass pollen, tree pollen, animal dander, Alternaria, Penicillium and Cladosporium) in Belgium.
  2. Moderate/severe and/or persistent AR according to ARIA guidelines
  3. Age > 18 and < 60 years.
  4. Written informed consent
  5. Dutch, French or English speaking patients

Exclusion Criteria:

Exclusion criteria

  1. Age < 18 and > 60 years
  2. Patients with mild AR
  3. Patients not being able to give an informed consent
  4. Patients being enrolled in other clinical trials
  5. No knowledge of Dutch, French or English

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
control group
a control group of AR patients who visited the ear nose and throat (ENT) department of the University Hospitals Leuven in the same time period
patients having SCIT
patients who started immunotherapy at the Department of Allergology of the University Hospitals Leuven between November 2007 and February 2010.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Current Medication Use Three Years After Diagnosis of AR
Tidsramme: 3 years after starting SCIT
Percentage patients in both groups that still use medication for their allergic rhinitis symptoms, 3 years after starting their therapy (non IT-group vs IT-group)
3 years after starting SCIT
Degree of Symptom Control 3 Years After IT or 3 Years After Medical Treatment With VAS of Total Nasal Symptom < 5/10 Defined as a Controlled Situation.
Tidsramme: 3 years after diagnosis
Visual analogue scale (VAS) scores for TNS experienced during the last 4 weeks. Visual analog scales (VAS) have been used to rate the presence of symptoms or impairment of the daily activities. Patients had to answer each question by indicating a position with a vertical line between two endpoints, 0 cm for not bothersome versus 10 cm for extremely bothersome. In this way each question is scored between 0 and 10 points.
3 years after diagnosis

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Percentage of Patients Having Controlled Allergic Rhinosinusitis (AR) Symptoms 3 Years After Starting Treatment
Tidsramme: 3 years after starting SCIT
Based on the proposed cut-off value of VAS < 5/10 for total nasal symptoms (TNS), rhinitis was considered as being controlled in 69 IT patients (84%) versus 223 (63%) non-IT patients
3 years after starting SCIT
Percentage of Patients That Met ARIA Criteria for Mild AR Symtoms at a Mean Interval of 3 Years After Diagnosis
Tidsramme: 3 years after diagnosis

ARIA classification of AR is made by duration and severity of AR symptoms. Here are calculated the number of patients having mild acute rhinitis.

Clinical practice guidelines such as the Allergic Rhinitis and its Impact on Asthma (ARIA) document focus on the quality of life as a principal consideration in assessment and treatment of AR

3 years after diagnosis

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. december 2012

Primær færdiggørelse (Faktiske)

1. juni 2013

Studieafslutning (Faktiske)

1. juni 2013

Datoer for studieregistrering

Først indsendt

23. januar 2013

Først indsendt, der opfyldte QC-kriterier

23. januar 2013

Først opslået (Skøn)

28. januar 2013

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

17. december 2013

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

24. oktober 2013

Sidst verificeret

1. oktober 2013

Mere information

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Allergisk rhinitis

Abonner