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Risk of Re-Hospitalization in Patients With Chronic Obstructive Pulmonary Disease (COPD) Post Exacerbation

19. Mai 2017 aktualisiert von: GlaxoSmithKline

Differences in the Risk of Re-hospitalization and Other COPD-related (Chronic Obstructive Pulmonary Disease) Exacerbations and Costs for Patients Receiving Fluticasone Propionate-salmeterol Xinafoate Combination 250/50mcg (FSC) Versus Anticholinergics [i.e. Tiotropium (TIO) and Ipratropium or Combination Ipratropium-albuterol (IPR) Post-hospitalization or ED Visit for the Treatment of COPD.

This retrospective database study will assess differences in the risk of re-hospitalization and other COPD-related exacerbations and costs for patients receiving fluticasone propionate/salmeterol xinafoate combination 250/50 (FSC) versus anticholinergics [i.e. tiotropium (TIO) and ipratropium or combination ipratropium-albuterol (collectively referred to as ipratropium - IPR)] post-hospitalization or Emergency Department (ED) visit for the treatment of COPD.

This is a hypotheses testing study. Associations are compared between FSC and AC cohorts.

Hypotheses for the primary outcome and key secondary outcomes are presented below:

Specifically the study hypotheses for the primary outcome being tested were:

Ho: There is no difference in risk of COPD-related hospitalization between FSC and AC Ha: There is a difference in risk of COPD-related hospitalization between FSC and AC

Hypothesis for the key secondary outcome of COPD-related costs that was tested was:

Ho: There is no difference in COPD-related costs between FSC and AC Ha: There is a difference in COPD-related costs between FSC and AC

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Managed care patients (aged >40 years) who were fluticasone propionate/salmeterol xinafoate combination (FSC)-naive in the 12 months pre-index period. The index-date was the date of discharge of the index Chronic Obstructive Pulmonary Disease (COPD)-related hospitalization/Emergency Department (ED) visit. Eligible patients were required to newly initiate or switch to drug therapy with FSC or ipratropium (IPR) / tiotropium (TIO) during the identification period (01/01/2004 to 01/31/2008) to treat COPD. Patients who switched to another maintenance medication or had an exacerbation in the treatment assessment period (30-days post-index date) were excluded from the study. Follow-up period was 12 months post treatment assessment period. Patients classified as being on FSC 250/50 versus anticholinergics (TIO, IP or IPR). Examined risk of COPD-related exacerbations such as hospitalizations, emergency department (ED) visits, COPD-related physician/outpatient visit with oral corticosteroid (OCS) or antibiotic prescription (ABX) within 5 days of physician/outpatient visit and COPD-related medical, pharmacy, and total healthcare costs in follow-up period.

Studientyp

Beobachtungs

Einschreibung (Tatsächlich)

1936

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

40 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

N/A

Studienberechtigte Geschlechter

Alle

Probenahmeverfahren

Nicht-Wahrscheinlichkeitsprobe

Studienpopulation

Managed care patients (aged >40 years) who were FSC naive in the 12 months pre-index period. The index-date was the date of discharge of the index COPD-related hospitalization/ED visit. Eligible patients were required to newly initiate or switch to drug therapy with FSC or IPR/TIO during the identification period (01/01/2004 to 01/31/2008) to treat COPD. Patients who switched to another maintenance medication or had an exacerbation in the treatment assessment period (30-days post-index date) were excluded from the study. Follow-up period was 12 months post treatment assessment period.

Beschreibung

Inclusion Criteria:

  • ≥40 years of age at index discharge date
  • Continuous health plan eligibility in the pre-index, treatment assessment, and follow-up periods
  • Absence of other fluticasone propionate -salmeterol xinafoate doses or combination product of budesonide-formoterol anytime during pre-index, treatment assessment, and follow-up periods

Exclusion Criteria:

  • COPD-related exacerbation during the treatment assessment period
  • Any therapy change, which was defined as switching or augmenting index therapy during treatment assessment period
  • Absence of comorbid conditions (respiratory cancer, cystic fibrosis, fibrosis due to tuberculosis, bronchiectasis, pneumonociosis, pulmonary fibrosis, pulmonary tuberculosis, and sarcoidosis) during the pre-index, treatment assessment, and follow-up periods

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

Kohorten und Interventionen

Gruppe / Kohorte
Intervention / Behandlung
COPD patients receiving pharmacotherapy
COPD patients age 40 years and older receiving pharmacotherapy to treat their COPD and an index event of COPD hospitalization or ER visit.
Arzneimittel: FSC
fluticasone propionate / salmeterol xinofoate combination
Andere Namen:
  • Advair (tm)
Arzneimittel: ACs
tiotropium alone, ipratropium alone, or in combination with albuterol

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Risk of Hospitalization in COPD patients
Zeitfenster: January 1, 2003 through March 31, 2009 (up to 6 years)
Risk of hospitalization was assessed as any hospitalization that was catpured in the follow up period. We required this event to have a primary discharge dx of COPD (ICD-9 code 491.xx, 492.xx, 496.xx) thus assuring it to be COPD-related. a logistic regression model was run to examine this outcome.
January 1, 2003 through March 31, 2009 (up to 6 years)

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Number of COPD exacerbations
Zeitfenster: January 1, 2003 through March 31, 2009 (up to 6 years)
Exacerbation rates were assessed between the FSC and AC groups. We examined COPD-related (primary dx of COPD (ICD-9 code 491.xx, 492.xx, 496.xx)) emergency department visits, outpatient visits, outpatient visits accompanied by prescription of oral steroids and antibiotics. A negative binomial regression model was run to examine this outcome.
January 1, 2003 through March 31, 2009 (up to 6 years)
COPD-related Costs
Zeitfenster: January 1, 2003 through March 31, 2009 (up to 6 years)
Mean COPD-related medical costs-, pharmacy costs - and total costs (the sum of medical and pharmacy costs) were calculated. Medical costs included healthcare facility and professional services charges for hospital admissions, ED visits, physician and other outpatient visits, and laboratory, radiology and other outpatient procedures with a primary diagnosis of COPD. Costs were adjusted to 2009 US dollars using the medical care component of the Consumer Price Index (CPI ). A Generalized Linear Model (GLM) with a log-link function was used to assess differences in costs.
January 1, 2003 through March 31, 2009 (up to 6 years)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

GlaxoSmithKline

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn

1. September 2010

Primärer Abschluss (Tatsächlich)

1. Oktober 2010

Studienabschluss (Tatsächlich)

1. März 2011

Studienanmeldedaten

Zuerst eingereicht

23. Juni 2011

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

23. Juni 2011

Zuerst gepostet (Schätzen)

27. Juni 2011

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

22. Mai 2017

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

19. Mai 2017

Zuletzt verifiziert

1. Mai 2017

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 113899

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