Welcome
Support Centre
11 February 2012 
ISRCTN Register - International Standard Randomized Controlled Trial Number
Trial registration
Unique identification scheme
International databases
home  |   my details  |   ISRCTN Register  |   mRCT  |   links  |   information  |   press
Find trials
ISRCTN Register
tips on searching

Registration
New application
Updating record

Information
introduction
governing board
ISRCTN FAQs
data set
letter of agreement
request information
guidance notes

[ Print-friendly version ]
Morning versus evening dosing of desloratadine in seasonal allergic rhinitis: a randomised controlled study
ISRCTN ISRCTN23032971
ClinicalTrials.gov identifier
Public title Morning versus evening dosing of desloratadine in seasonal allergic rhinitis: a randomised controlled study
Scientific title
Acronym N/A
Serial number at source P02278
Study hypothesis The aim of this study was to examine the efficacy of the antihistamine desloratadine at different time points during the day and to evaluate whether the time of dosing of desloratadine has any impact on the treatment efficacy in seasonal allergic rhinitis (SAR).
Lay summary
Ethics approval The study protocol and the patient informed consent form were approved by Ethics Committees and Health Authorities in each of the participating countries.
Study design Randomised controlled trial
Countries of recruitment Denmark, Finland, Iceland, Norway, Sweden
Disease/condition/study domain Seasonal allergic rhinitis
Participants - inclusion criteria 1. Patients 18 years or above with a minimum of two years history of SAR confirmed by either a positive skin prick test or a positive serologic allergen test to the relevant seasonal allergen
2. Clinically symptomatic with SAR at baseline/inclusion with a minimum total nasal symptom score (rhinorrhoea, congestion, itching and sneezing) of at least 6 and rhinorrhoea being minimum 2 (moderate)
3. Willingness to adhere to dosing and visit schedule
4. Females of childbearing potential have to use medically accepted methods of birth control
5. Written informed consent
Participants - exclusion criteria 1. Pulmonary disease, perennial rhinitis, sinusitis, rhinitis medicamentosa, pollen desensitisation during the last 6 months
2. Respiratory tract infection within the last two weeks
3. Structural nasal abnormalities (including polyps)
4. Use of oral, nasal, ocular decongestants, corticosteroids in any form (except mild dermatological group I corticosteroids allowed in only small areas), other antihistamines (oral or topical), any investigational drug during the last 30 days
5. Pregnant or nursing females
Anticipated start date 11/04/2001
Anticipated end date 02/09/2002
Status of trial Completed
Patient information material
Target number of participants 663
Interventions Patients were randomised into one of two treatment groups with dosing of 5 mg desloratadine tablets either in the morning between 07 - 09 (AM-group) or evening between 19 - 21 (PM-group) in a 1:1 ratio.
Primary outcome measure(s) The mean change from baseline for the AM last hour total symptom score (TSS) over the 2 weeks treatment period.
Secondary outcome measure(s) 1. Interference with sleep and interference with daily activity
2. The number of hours spent outdoors
Sources of funding Schering-Plough in the Nordic countries
Trial website
Publications Results in http://www.ncbi.nlm.nih.gov/pubmed/15686600
Contact name Prof  Rolf  Haye
  Address Dept. of Otolaryngology
Rikshospitalet
  City/town Oslo
  Zip/Postcode 0027
  Country Norway
Sponsor Schering-Plough AS (Norway)
  Address Ankerv. 209
  City/town Eiksmarka
  Zip/Postcode 1359
  Country Norway
Date applied 31/01/2005
Last edited 18/02/2008
Date ISRCTN assigned 01/02/2005
Submit your trial protocol
Submit to Trials journal
Follow us on Twitter
© 2012 ISRCTN unless otherwise stated.


BioMed Central