Acid Suppressing Drug Seizure Epidemiology Study
A Cohort Study With a Nested Case Control Analysis on the Association Between Acid-suppressing Drugs and Seizures Using THIN Database in the UK
1 other identifier
observational
8,605
1 country
1
Brief Summary
The purpose of this study is
- 1.to estimate the incidence of seizure in the general population and stratified by epilepsy status
- 2.To estimate the relative risk of seizure associated with use of proton pump inhibitors and histamine 2 receptor antagonist and stratified by epilepsy status
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2013
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 5, 2012
CompletedFirst Posted
Study publicly available on registry
December 6, 2012
CompletedStudy Start
First participant enrolled
March 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2014
CompletedSeptember 9, 2016
December 1, 2015
1.8 years
December 5, 2012
September 8, 2016
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Incidence of seizure in the general population and stratified by epilepsy status.
Participants will be followed for the duration of the study period 1 January 2005-31 December 2011, an expected average of 3 years.
Follow-up of safety outcomes: First recorded entry of seizure.
Participants will be followed for the duration of the study period 1 January 2005-31 December 2011, an expected average of 3 years.
Study Arms (2)
All patients newly prescribed PPI
All patients newly prescribed PPI
All patients newly prescribed H2RA
All patients newly prescribed H2RA
Interventions
Patients newly prescribed PPI and H2RA, respectively
Eligibility Criteria
All individuals aged 20-84 years from 1 January 2005 to 31 December 2011, who have been enrolled with their primary care physician for at least 2 years and have a computerized prescription history of at least 1 year. Patients will have to be free of acid-suppressing drugs (PPI or H2RA) for at least one year, and never have a diagnosis of cancer, alcohol abuse or alcohol-related disease, or drug abuse.
You may qualify if:
- Primary care physician for at least 2 years.
- Computerized prescription history of at least 1 year.
- Patients will have to be free of acid-suppressing drugs (PPI or H2RA) for at least one year.
- No diagnosis of cancer.
- No alcohol abuse or alcohol-related disease- No drug abuse.
You may not qualify if:
- Patients with at least 1 prescription of PPI or H2RA in the year prior to start date.
- Cancer before start date.
- Alcohol abuse or alcohol-related disease before start date.
- Drug abuse before start date.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AstraZenecalead
Study Sites (1)
Research Site
Madrid, Spain
Related Publications (1)
Saez ME, Gonzalez-Perez A, Gaist D, Johansson S, Nagy P, Garcia Rodriguez LA. Risk of seizure associated with use of acid-suppressive drugs: An observational cohort study. Epilepsy Behav. 2016 Sep;62:72-80. doi: 10.1016/j.yebeh.2016.06.039. Epub 2016 Jul 21.
PMID: 27450309BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Luis a Garcia Rodriguez, MD
CEIFE (Centro Espanol de Investigacion Farmacoepidemiologica - Spanish Centre for Pharmacoepidemiologic Research )
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 5, 2012
First Posted
December 6, 2012
Study Start
March 1, 2013
Primary Completion
December 1, 2014
Study Completion
December 1, 2014
Last Updated
September 9, 2016
Record last verified: 2015-12