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Clinical and Economic Burden of Patients With Chronic Obstructive Pulmonary Disease in a Medicaid Population

21. juni 2012 oppdatert av: GlaxoSmithKline

Reports suggest that the Medicaid population includes a higher percentage of smokers than the general population. A high prevalence of smokers in a population is likely to lead to a higher burden of chronic obstructive pulmonary disease (COPD). Few studies have evaluated the economic burden of COPD in a Medicaid population. The objective of this observational, retrospective cohort study is to estimate the economic burden of COPD in subjects with a COPD diagnosis who are enrolled in Medicaid and are receiving maintenance treatment covered by Medicaid.

Specifically, the null hypothesis for the primary outcome measure is that no difference is observed in all-cause costs between subjects with and without COPD. The test hypothesis is that there is a difference in all-cause costs between subjects with and without COPD.

Secondary outcomes to be evaluated include all-cause resource use and COPD-related costs for the COPD cohort.

The study uses a medical and pharmacy administrative claims database called MarketScan Medicaid Database that contains the medical, surgical, and prescription drug experience of nearly 7 million Medicaid recipients. This analysis will use data from 8 states.

Studieoversikt

Studietype

Observasjonsmessig

Registrering (Faktiske)

40884

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

40 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Prøvetakingsmetode

Ikke-sannsynlighetsprøve

Studiepopulasjon

Medicaid recipients (aged >=40 years) diagnosed with COPD (International Classification of Disease, Ninth Revision, Clinical Modification (ICD-9 CM) codes: 491.xx, 492.x, 496.xx) and newly initiated on Chronic Obstructive Pulmonary Disease (COPD) maintenance medication (maintenance therapies include ipratropium alone/combination ipratropium-albuterol (IPR), tiotropium (TIO), inhaled corticosteroid (ICS), long-acting beta-agonist (LABA), and combination product of inhaled corticosteroid and long-acting beta-agonist (ICS/LABA)) will be identified and matched in a 1 to 3 ratio to non-COPD Medicaid recipients on age (exact), gender, race, index year, Medicare dual eligibility, pre-index long-term care use. Index date was defined as the date of the first chronologically-occurring COPD maintenance medication during an identification period (01/01/2004 to 12/31/2006) for COPD patients, and as the date of the first medical or prescription claim during the index year of the corresponding matche

Beskrivelse

Inclusion Criteria:

  • at least 40 years of age at index date
  • continuously eligible to receive healthcare services through Medicaid in the pre-index and follow-up period
  • enrolled in fee-for-service plans
  • without a diagnosis code of exclusionary comorbid conditions - cystic fibrosis, bronchiectasis, respiratory cancer, pulmonary fibrosis, pneumoconiosis, sarcoidosis, pulmonary tuberculosis (including fibrosis due to tuberculosis)

Exclusion Criteria:

  • age less than 40 at index dates

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

Kohorter og intervensjoner

Gruppe / Kohort
Intervensjon / Behandling
Medicaid beneficiaries
Medicaid beneficiaries with at least one medical or pharmacy claim during each year in the identification period (2004-2006)
Medicaid beneficiaries diagnosed with Chronic Obstructive Pulmonary Disease (COPD) and newly initiated on a maintenance medication
Medicaid beneficiaries without a COPD diagnosis but having at least one medical or pharmacy claim during each year of the identification period

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Incremental costs of COPD
Tidsramme: 1 year
Mean difference in all-cause costs between subjects with and without COPD. Incremental total costs and components of incremental total costs including pharmacy, medical, and long-term care will be reported
1 year

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
All-cause resource use
Tidsramme: 1 year
The mean number of visits of each type of medical resource use including inpatient hospitalizations, emergency department [ED] visits, physician visits, outpatient visits, home healthcare visits/durable medical equipment, and long-term care visits.
1 year
COPD-related costs
Tidsramme: 1 year
Mean total, pharmacy, medical and long-term care costs associated with COPD in the cohort of subjects with a COPD diagnosis
1 year

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart

1. november 2010

Primær fullføring (Faktiske)

1. mars 2011

Studiet fullført (Faktiske)

1. mars 2011

Datoer for studieregistrering

Først innsendt

7. juni 2012

Først innsendt som oppfylte QC-kriteriene

7. juni 2012

Først lagt ut (Anslag)

11. juni 2012

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

25. juni 2012

Siste oppdatering sendt inn som oppfylte QC-kriteriene

21. juni 2012

Sist bekreftet

1. juni 2012

Mer informasjon

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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