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Multicentre study of early Epilepsy and Single Seizures
ISRCTN ISRCTN98767960
DOI 10.1186/ISRCTN98767960
ClinicalTrials.gov identifier
EudraCT number
Public title Multicentre study of early Epilepsy and Single Seizures
Scientific title
Acronym MESS
Serial number at source G9125371
Study hypothesis 1. To compare seizure recurrence rates associated with policies of immediate or delayed antiepileptic drug therapy in patients with single seizures and early epilepsy using a pragmatic randomized parallel group design.
2. To identify factors of prognostic importance in the recurrence of seizures in the early course of epilepsy
3. To examine the psychosocial outcome of the two randomized policies
Lay summary Not provided at time of registration
Ethics approval Not provided at time of registration
Study design Multicentre randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Epilepsy
Participants - inclusion criteria 1. An adequately documented recent history of one or more clinically definite spontaneous unprovoked epileptic seizures
2. Clinician is uncertain whether to treat or not
Participants - exclusion criteria Not provided at time of registration
Anticipated start date 01/01/1993
Anticipated end date 31/12/2002
Status of trial Completed
Patient information material
Target number of participants 1800
Interventions Immediate/delayed antiepileptic drug therapy
Primary outcome measure(s) Time to first seizure, time to remission, patient perceived quality of life
Secondary outcome measure(s) Not provided at time of registration
Sources of funding Medical Research Council
Trial website
Publications 1. 2005 results in http://www.ncbi.nlm.nih.gov/pubmed/15950714
2. 2006 results in http://www.ncbi.nlm.nih.gov/pubmed/16545748
3. 2006 results in http://www.ncbi.nlm.nih.gov/pubmed/17130429
4. 2010 results in http://www.ncbi.nlm.nih.gov/pubmed/21147743
5. 2012 results in http://www.ncbi.nlm.nih.gov/pubmed/22696580
Contact name Prof  David  Chadwick
  Address Department of Neurological Science
The Walton Centre
Lower Lane
Fazakerley
  City/town Liverpool
  Zip/Postcode L9 7LJ
  Country United Kingdom
  Tel +44 (0)151 529 5461
  Fax +44 (0)151 529 5466
  Email dwc@liv.ac.uk
Sponsor Medical Research Council (MRC) (UK)
  Address 20 Park Crescent
  City/town London
  Zip/Postcode W1B 1AL
  Country United Kingdom
  Tel +44 (0)20 7636 5422
  Fax +44 (0)20 7436 6179
  Email clinical.trial@headoffice.mrc.ac.uk
  Sponsor website: http://www.mrc.ac.uk
Date applied 23/10/2000
Last edited 23/07/2012
Date ISRCTN assigned 23/10/2000
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