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Medical treatment of Meniere's disease with betahistine: a placebo-controlled, dose-finding study
ISRCTN ISRCTN44359668
ClinicalTrials.gov identifier
Public title Medical treatment of Meniere's disease with betahistine: a placebo-controlled, dose-finding study
Scientific title
Acronym BEMED
Serial number at source 04T-617
Study hypothesis High-dose betahistin (3 x 48 mg per day) is more effective in reducing the number of vertigo attacks in Meniere's disease than low-dose betahistin (3 x 24 mg) or placebo.
Ethics approval Ethics approval received from the local medical ethics board on the 2nd February 2008.
Study design Placebo-controlled, double-blind, randomised controlled trial.
Countries of recruitment Germany
Disease/condition/study domain Meniere's disease
Participants - inclusion criteria 1. Definite Meniere's disease according to the American Academy of Ophthalmology and Otolaryngology, Head and Neck Surgery:
1.1. Two or more attacks of vertigo, each lasting more than 20 minutes
1.2. Audiometrically documented hearing loss in at least one examination
1.3. Tinnitus or aural fullness in the affected ear
1.4. Other causes excluded
2. At least two attacks of Meniere's disease per month for at least three subsequent months
3. Aged 18 to 80 years
4. Written informed consent to all protocol-specified procedures
Participants - exclusion criteria 1. Other vestibular disorders such as vestibular migraine or phobic postural vertigo
2. Contraindications for treatment with betahistine-dihydrochloride, such as:
2.1. Asthma bronchiale
2.2. Pheochromacytoma
2.3. Pregnancy or breast-feeding
2.4. Severe dysfunction of kidneys or liver
2.5. Ulcer of the stomach or duodenum
2.6. Tumours
2.7. Severe coronary heart disease
2.8. Treatment with other antihistamines
Anticipated start date 01/11/2007
Anticipated end date 31/10/2010
Status of trial Ongoing
Patient information material
Target number of participants 84
Interventions Please note that the first patient was randomised in April 2008.

The trial comprises three arms:
1. Therapy with high-dose betahistine (3 x 48 mg)
2. Therapy with low-dose betahistine (2 x 24 mg)
3. Placebo

The total treatment time will be nine months with a three month follow-up. The trial is estimated to last three years (first patient in to last patient out).
Primary outcome measure(s) Number of vertigo attacks in the three treatment arms during the last three months of the treatment period.
Secondary outcome measure(s) 1. Number of vertigo attacks during the last three months of the total follow-up period
2. Median duration of vertigo attacks and median severity of vertigo attacks during the last three months of the treatment period and the last three months of the total follow-up period
3. Change of:
3.1. Peripheral vestibular function
3.2. Tinnitus intensity
3.3. Effect of tinnitus on quality of life
3.4. Subjective hearing loss
3.5. Objective hearing loss - determined by acoustic evoked potentials
3.6. Change of handicap/impairment due to vertigo or dizziness - assessed by the Dizziness Handicap Inventory (DHI) and the Vestibular Disorders Activities of Daily Living (VADL) score
Between baseline, nine-month and 12-month follow-up visit
Sources of funding German Federal Ministry of Education and Research (Bundesministerium Fur Bildung und Forschung [BMBF]) (Germany)
Trial website
Publications
Contact name Prof  Michael  Strupp
  Address Klinikum Grosshadern
Abt. f. Neurologie
Marchioninistrasse 15
  City/town Munich
  Zip/Postcode 81377
  Country Germany
  Tel +49 (0)89 7095 6678
  Fax +49 (0)89 7095 6673
  Email michael.strupp@med.uni-muenchen.de
Sponsor University Hospital Grosshadern (Klinikum Grosshadern) (Germany) - Department of Neurology
  Address c/o Prof. Dr. Michael Strupp
Klinikum Grosshadern
Abt. f. Neurologie
Marchioninistrasse 15
  City/town Munich
  Zip/Postcode 81377
  Country Germany
  Tel +49 (0)89 7095 6678
  Fax +49 (0)89 7095 6673
  Email michael.strupp@med.uni-muenchen.de
  Sponsor website: http://www.klinikum.uni-muenchen.de/de/www/index.php
Date applied 10/08/2007
Last edited 29/04/2008
Date ISRCTN assigned 12/09/2007
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