Treximet ™ Pharmacy Budget Impact Model Database Validation Study

May 25, 2017 updated by: GlaxoSmithKline

The purpose of this retrospective claims database study was to compare the change in migraine-related prescription (i.e. NSAIDs, Opioids, Ergots) utilization among migraine suffers following initiation of Treximet ™ (sumatriptan/naproxen) compared with subjects initiating treatment with other orally available triptans. The study was used to validate the migraine-related prescription utilization patterns predicted by the Treximet ™ Budget Impact Model.

The SourceLx dataset from the family of Wolters Kluwer databases was used for this analysis. The database contains 30% of prescription claims filled in the United States (US), approximately 160 million patient lives. The data has broad representative coverage at both the geographic and payment levels.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
61737

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years to 61 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Subject data from a claims database having at least one pharmacy claim for Treximet ™ or an orally administered triptan during the study period.

Description

Inclusion Criteria:

  • At least one prescription claim for either Treximet ™ or orally administered triptan
  • at least 18 years of age at index Rx date
  • at least one prescription claim for any medication in the pre- and post-index period (proxy for continuous enrollment)

Exclusion Criteria:

  • Subjects receiving nasal sumatriptan at any time
  • Subjects over 65 years of age

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Retrospective

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
adult migraineurs with/without aura
Adult migraine patients >18-65 years who have initiated treatment for migraine with Treximet ™ or other orally administered triptan.
Drug: Sumatriptan/Naproxen combination
Sumatriptan and Naproxen Sodium
Other Names:
  • Treximet (TM)
Drug: other oral triptans
almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Mean Number of Triptan Tablets Per Participant in 6-month Follow-up Period: Treatment-naïve Analysis
Time Frame: 6-months from the index date (from January 1, 2009 to May 31, 2009; the index date was defined as the first date of oral triptan/sumatriptan-naproxen sodium prescription)
The mean number of tablets per participant was computed using prescription fills dispensed in the 6-month follow-up period. "Other" represents acetaminophen (APAP)/isometheptene/dichlorphenazone and APAP/isometheptene/caffeine, for example. The number of tablets dispensed was obtained from the "quantity dispensed field" in the claims data. Triptan tablets were classified as index and non-index medication (if a different oral triptan was filled from that of the index medication); only oral triptans were considered (i.e., excluded injectable triptans).
6-months from the index date (from January 1, 2009 to May 31, 2009; the index date was defined as the first date of oral triptan/sumatriptan-naproxen sodium prescription)
Mean Health Plan Cost Per Participant for Migraine-related Medications in 6-month Follow-up Period: Treatment-naïve Analysis
Time Frame: 6-months from the index date (from January 1, 2009 to May 31, 2009; the index date was defined as the first date of oral triptan/sumatriptan-naproxen sodium prescription)
Health plan cost was defined as the pharmacy costs. Pharmacy costs were computed corresponding to the use of triptans, non-steroidal anti-inflammatory drugs, opioids, and other migraine therapy tablets (ergots and others). Pharmacy costs were calculated as the mean of the total costs of the five drug categories.
6-months from the index date (from January 1, 2009 to May 31, 2009; the index date was defined as the first date of oral triptan/sumatriptan-naproxen sodium prescription)
Mean Total Cost (Health Plan Plus Participant Copay Costs) Per Participant for Migraine-related Medications in 6-month Follow-up Period: Treatment-naïve Analysis
Time Frame: 6-months from the index date (from January 1, 2009 to May 31, 2009; the index date was defined as the first date of oral triptan/sumatriptan-naproxen sodium prescription)
Mean Total Cost was defined as the pharmacy cost plus the participant copay. Pharmacy costs were computed corresponding to the use of triptans, non-steroidal anti-inflammatory drugs, opioids, and other migraine therapy tablets (ergots and others). Pharmacy cost plus participant copay was calculated as the mean of the total costs (pharmacy cost plus participant copay) of the five drug categories.
6-months from the index date (from January 1, 2009 to May 31, 2009; the index date was defined as the first date of oral triptan/sumatriptan-naproxen sodium prescription)
Mean Number of Triptan Tablets Per Participant in 6-month Follow-up Period: Treatment-switch Analysis
Time Frame: 6-months from the index date (from January 1, 2009 to May 31, 2009; index date was defined as the first switch date to oral triptan/sumatriptan-naproxen sodium prescription)
The mean number of tablets per participant was computed using prescription fills dispensed in the 6-month follow-up period. "Other" represents APAP/isometheptene/dichlorphenazone and APAP/isometheptene/caffeine, for example. The number of tablets dispensed was obtained from the "quantity dispensed field" in the claims data. Triptan tablets were classified as index and non-index medication (if a different oral triptan was filled from that of the index medication); only oral triptans were considered (i.e., excluded injectable triptans).
6-months from the index date (from January 1, 2009 to May 31, 2009; index date was defined as the first switch date to oral triptan/sumatriptan-naproxen sodium prescription)
Mean Health Plan Cost Per Participant for Migraine-related Medications in 6-month Follow-up Period: Treatment-switch Analysis
Time Frame: 6-months from the index date (from January 1, 2009 to May 31, 2009; index date was defined as the first switch date to oral triptan/sumatriptan-naproxen sodium prescription)
Health Pan Cost was defined as the pharmacy costs. Pharmacy costs were computed corresponding to the use of triptans, non-steroidal anti-inflammatory drugs, opioids, and other migraine therapy tablets (ergots and others). Pharmacy costs were calculated as the mean of the total costs of the five drug categories.
6-months from the index date (from January 1, 2009 to May 31, 2009; index date was defined as the first switch date to oral triptan/sumatriptan-naproxen sodium prescription)
Mean Total Cost (Health Plan Plus Participant Copay Costs) Per Participant for Migraine-related Medications in 6-month Follow-up Period: Treatment-switch Analysis
Time Frame: 6-months from the index date (from January 1, 2009 to May 31, 2009; index date was defined as the first switch date to oral triptan/sumatriptan-naproxen sodium prescription)
Mean Total Cost was defined as the pharmacy cost plus the participant copay. Pharmacy costs were computed corresponding to the use of triptans, non-steroidal anti-inflammatory drugs, opioids, and other migraine therapy tablets (ergots and others). .Pharmacy cost plus participant copay was calculated as the mean of the total costs (pharmacy cost plus participant copay) of the five drug categories.
6-months from the index date (from January 1, 2009 to May 31, 2009; index date was defined as the first switch date to oral triptan/sumatriptan-naproxen sodium prescription)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
GlaxoSmithKline

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
July 1, 2009

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
March 1, 2010

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
March 1, 2010

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
March 21, 2011

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 24, 2011

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 11, 2011

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 30, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 25, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 111208

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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