AzTrials
AzTrials

EpilepsyTIGERNCT00144001

Factors Associated With in Suboptimal Prescribing for Older Patients With Epilepsy

An observational study of Epilepsy, run by US Department of Veterans Affairs at 2 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

Nearly 2% of veterans >65 are actively treated for epilepsy, and the incidence is projected to increase with the aging of our society. Since commonly used antiepileptic drugs are considered suboptimal for older patients, it is important to understand existing patterns of treatment for older veterans with epilepsy. Read more about this study

Who is it for?
Ages 66 years and older
Conditions the study is for
Epilepsy
How many people
9,682 participants
Where
2 sitesUnited States
Study dates
Oct 2000to Sep 2008
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 66 years and older
  • All sexes
  • No healthy volunteers
  • Older adult

Study population: Older veterans (66 years and older) with a new diagnosis of epilepsy between 2000-2004

Who may be able to join

  • Veterans 66 years and older receiving care from the Veterans Health Administration between fiscal years 2000-2004 Diagnosis of epilepsy and receiving anticonvulsant drugs

Who cannot join

  • No VA pharmacy data the year prior to epilepsy diagnosis

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Edith Nourse Rogers Memorial Veterans Hospital, Bedford, MA

    Bedford, Massachusetts, 01730

  • South Texas Health Care System, San Antonio, TX

    San Antonio, Texas, 78229

Other trials in United States

About this study

Official title: Appropriateness of Antiepileptic Drug Use for Older Veterans

Nearly 2% of veterans >65 are actively treated for epilepsy, and the incidence is projected to increase with the aging of our society. Since commonly used antiepileptic drugs are considered suboptimal for older patients, it is important to understand existing patterns of treatment for older veterans with epilepsy.

Read the detailed description

OBJECTIVE(S):

  1. Identify patient, provider, and system factors predicting adoption of recommended AEDs for treatment of newly diagnosed older veterans (FY00-04).
  2. Identify barriers to use of recommended AED in initial therapy for newly diagnosed older veterans with epilepsy.
  3. Assess and compare effectiveness of long-term use of various AED.

METHODS:

Using existing national VA outpatient, inpatient, and pharmacy databases in conjunction with Medicare inpatient and outpatient standard analytic files, the 1999 National Health Survey of VA Enrollees, American Hospital Association data, and primary data collection, we will identify the extent to which treatment for older veterans newly diagnosed with epilepsy changed between FY00-FY04, and identify predictors of change at the patient, provider, and system levels. We will begin to identify barriers to use of recommended AED using structured interviews with primary care and general neurology providers in sites with high and low use of suboptimal AEDs in incident cases. Finally, we will compare hospitalizations, emergency room visits, and fall-related injuries (including fractures) for patients on different AED regimens.

RESULTS:

We have identified 72,638 patients who are at least 66 years of age, have a diagnosis of epilepsy in VA or Medicare files, and who also received AEDs from the VA; 9,682 of of these are incident cases, 41,867 are chronic cases, and 21,089 have been defined as having unknown onset. We found wide variations in prescribing, an high rates of use of suboptimal AEDs (70%). We identified sites with high and low use of suboptimal and new AEDs. We have finalized provider interview protocols, and are in the process of gaining approval at individual sites.

IMPACT:

The proposed study will enhance understanding of factors associated with adoption of clinical recommendations for newly diagnosed older patients with epilepsy, begin to identify barriers to their adoption, and assess outcomes of epilepsy patients on chronic AED therapy. This study will provide the foundation on which to develop interventions to improve care and will improve the quality of care for older veterans diagnosed with epilepsy.

Conditions
Epilepsy
Keywords
Epilepsy, Pharmacoepidemiology, Quality of Care, Outcomes
Medical subject headings
Epilepsy

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT00144001
Study groupRoleWhat they receive
Group 1Not described

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Type of Antiepileptic drug prescribed for individuals with new onset epilepsy

    Measured: Within one year of first epilepsy diagnosis

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Sep 2005 (estimated)
  2. Study startOct 2000
  3. Primary completionSep 2004
  4. Study completionSep 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Retrospective
Enrolment
9,682 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00144001
Sponsor's protocol ID
IIR 02-274
Acronym
TIGER
Status last verified
Sep 2008
First submitted
31 Aug 2005
Last updated
7 Apr 2015
Results posted
No
Data monitoring committee
No

Publications

  • Zeber JE, Copeland LA, Pugh MJ. Variation in antiepileptic drug adherence among older patients with new-onset epilepsy. Ann Pharmacother. 2010 Dec;44(12):1896-904. doi: 10.1345/aph.1P385. Epub 2010 Nov 2.

    PubMed 21045168
  • Pugh MJ, Tabares J, Finley E, Bollinger M, Tortorice K, Vancott AC. Changes in antiepileptic drug choice for older veterans with new-onset epilepsy: 2002 to 2006. J Am Geriatr Soc. 2011 May;59(5):955-6. doi: 10.1111/j.1532-5415.2011.03388.x. No abstract available.

    PubMed 21568976
  • Copeland LA, Ettinger AB, Zeber JE, Gonzalez JM, Pugh MJ. Psychiatric and medical admissions observed among elderly patients with new-onset epilepsy. BMC Health Serv Res. 2011 Apr 19;11:84. doi: 10.1186/1472-6963-11-84.

    PubMed 21504584
  • Pugh MJ, Starner CI, Amuan ME, Berlowitz DR, Horton M, Marcum ZA, Hanlon JT. Exposure to potentially harmful drug-disease interactions in older community-dwelling veterans based on the Healthcare Effectiveness Data and Information Set quality measure: who is at risk? J Am Geriatr Soc. 2011 Sep;59(9):1673-8. doi: 10.1111/j.1532-5415.2011.03524.x. Epub 2011 Aug 10.

    PubMed 21831166
  • Pugh MJ, Berlowitz DR, Rao JK, Shapiro G, Avetisyan R, Hanchate A, Jarrett K, Tabares J, Kazis LE. The quality of care for adults with epilepsy: an initial glimpse using the QUIET measure. BMC Health Serv Res. 2011 Jan 3;11:1. doi: 10.1186/1472-6963-11-1.

    PubMed 21199575
  • Brooks DR, Avetisyan R, Jarrett KM, Hanchate A, Shapiro GD, Pugh MJ, Berlowitz DR, Thurman D, Montouris G, Kazis LE. Validation of self-reported epilepsy for purposes of community surveillance. Epilepsy Behav. 2012 Jan;23(1):57-63. doi: 10.1016/j.yebeh.2011.11.002. Epub 2011 Dec 20.

    PubMed 22189155
  • VanCott AC, Cramer JA, Copeland LA, Zeber JE, Steinman MA, Dersh JJ, Glickman ME, Mortensen EM, Amuan ME, Pugh MJ. Suicide-related behaviors in older patients with new anti-epileptic drug use: data from the VA hospital system. BMC Med. 2010 Jan 11;8:4. doi: 10.1186/1741-7015-8-4.

    PubMed 20064226
  • Ettinger AB, Copeland LA, Zeber JE, Van Cott AC, Pugh MJ. Are psychiatric disorders independent risk factors for new-onset epilepsy in older individuals? Epilepsy Behav. 2010 Jan;17(1):70-4. doi: 10.1016/j.yebeh.2009.10.010. Epub 2009 Nov 12.

    PubMed 19913462
  • Pugh MJ, Vancott AC, Steinman MA, Mortensen EM, Amuan ME, Wang CP, Knoefel JE, Berlowitz DR. Choice of initial antiepileptic drug for older veterans: possible pharmacokinetic drug interactions with existing medications. J Am Geriatr Soc. 2010 Mar;58(3):465-71. doi: 10.1111/j.1532-5415.2010.02732.x.

    PubMed 20398114
  • Pugh MJ, Berlowitz DR, Montouris G, Bokhour B, Cramer JA, Bohm V, Bollinger M, Helmers S, Ettinger A, Meador KJ, Fountain N, Boggs J, Tatum WO 4th, Knoefel J, Harden C, Mattson RH, Kazis L. What constitutes high quality of care for adults with epilepsy? Neurology. 2007 Nov 20;69(21):2020-7. doi: 10.1212/01.WNL.0000291947.29643.9f. Epub 2007 Oct 10.

    PubMed 17928576
  • Berlowitz DR, Pugh MJ. Pharmacoepidemiology in community-dwelling elderly taking antiepileptic drugs. Int Rev Neurobiol. 2007;81:153-63. doi: 10.1016/S0074-7742(06)81009-3.

    PubMed 17433922
  • Pugh MJ, Berlowitz DR, Kazis L. The impact of epilepsy on older veterans. Int Rev Neurobiol. 2007;81:221-33. doi: 10.1016/S0074-7742(06)81014-7.

    PubMed 17433927
  • Zeber JE, Copeland LA, Amuan M, Cramer JA, Pugh MJ. The role of comorbid psychiatric conditions in health status in epilepsy. Epilepsy Behav. 2007 Jun;10(4):539-46. doi: 10.1016/j.yebeh.2007.02.008. Epub 2007 Apr 6.

    PubMed 17416208
  • Pugh MJ, Knoefel JE, Mortensen EM, Amuan ME, Berlowitz DR, Van Cott AC. New-onset epilepsy risk factors in older veterans. J Am Geriatr Soc. 2009 Feb;57(2):237-42. doi: 10.1111/j.1532-5415.2008.02124.x.

    PubMed 19207140
  • Hope OA, Zeber JE, Kressin NR, Bokhour BG, Vancott AC, Cramer JA, Amuan ME, Knoefel JE, Pugh MJ. New-onset geriatric epilepsy care: Race, setting of diagnosis, and choice of antiepileptic drug. Epilepsia. 2009 May;50(5):1085-93. doi: 10.1111/j.1528-1167.2008.01892.x. Epub 2008 Nov 17.

    PubMed 19054416

Questions about this trial

What is this clinical trial studying?

An observational study of Epilepsy, run by US Department of Veterans Affairs at 2 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 7 Apr 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Type of Antiepileptic drug prescribed for individuals with new onset epilepsy (time frame: Within one year of first epilepsy diagnosis). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00144001, which also lists 20 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Apr 2015.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in