NCT01744301

Brief Summary

The purpose of this study is

  1. 1.to estimate the incidence of seizure in the general population and stratified by epilepsy status
  2. 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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
8,605

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2013

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 5, 2012

Completed
1 day until next milestone

First Posted

Study publicly available on registry

December 6, 2012

Completed
3 months until next milestone

Study Start

First participant enrolled

March 1, 2013

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
Last Updated

September 9, 2016

Status Verified

December 1, 2015

Enrollment Period

1.8 years

First QC Date

December 5, 2012

Last Update Submit

September 8, 2016

Conditions

Keywords

SeizureAcid-suppressing drugsEpidemiology

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

Drug: Risk of seizure

All patients newly prescribed H2RA

All patients newly prescribed H2RA

Drug: Risk of seizure

Interventions

Patients newly prescribed PPI and H2RA, respectively

All patients newly prescribed H2RAAll patients newly prescribed PPI

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

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

Study Sites (1)

Research Site

Madrid, Spain

Location

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

Seizures

Condition Hierarchy (Ancestors)

Neurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Luis a Garcia Rodriguez, MD

    CEIFE (Centro Espanol de Investigacion Farmacoepidemiologica - Spanish Centre for Pharmacoepidemiologic Research )

    PRINCIPAL INVESTIGATOR

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

Locations