The primary objective is to compare the effectiveness of maintenance therapy initiation with the combination treatment Tiotropium and Olodaterol (Olo+Tio) compared with LABA/ICS combination in COPD as the time to the first COPD exacerbation. Secondary objectives are to compare patients treated with Tio+Olo and patients treated with LABA/ ICS combination.
Study Type
OBSERVATIONAL
Enrollment
42,953
Tiotropium bromide + Olodaterol
Long-acting beta2-agonist and Inhaled corticosteroids (LABA and ICS)
HealthCore, Inc.
Watertown, Massachusetts, United States
Incidence Rate of Chronic Obstructive Pulmonary Disease (COPD) Exacerbation
Incidence rate of Chronic Obstructive Pulmonary Disease (COPD) exacerbation after cohort entry. The event was defined as follows: Severe exacerbation: Hospitalization with a principal discharge diagnosis of COPD. or Moderate exacerbation: An emergency department (ED) visit with a discharge diagnosis of COPD, or, an antibiotic for a respiratory condition dispensed the same day as an oral corticosteroid.
Time frame: From cohort entry (index date) until the occurrence of a hospitalization for COPD (severe exacerbation), ED visit for COPD or prescription of an antibiotic and oral corticosteroid on the same day (moderate exacerbation). Up to one year after cohort entry.
Incidence Rate of First Hospitalization for Community-acquired Pneumonia
Incidence rate of first hospitalization for community-acquired pneumonia (serious pneumonia). Pneumonia was defined using ICD-9-CM diagnoses and ICD-10 diagnosis codes.
Time frame: From cohort entry (index date) until the occurrence of first hospitalization for community-acquired pneumonia (serious pneumonia). Up to one year after cohort entry.
Incidence Rate of the First Date of a Pharmacy Dispensing Indicating Escalation (Original Case Definition) to Triple Therapy
Incidence rate of the first date of a pharmacy dispensing indicating escalation to triple therapy, (i.e., addition of Inhaled Corticosteroids to Tiotropium and Olodaterol or a Long-acting Muscarinic Antagonists to long-acting beta agonist / inhaled corticosteroid therapy).
Time frame: From cohort entry (index date) until the escalation, up to one year after cohort entry.
Incidence Rate of the First Date of a Pharmacy Dispensing Indicating Escalation (Alternative Case Definition) to Triple Therapy
Incidence rate of the first date of a pharmacy dispensing indicating escalation to triple therapy. Based on feedback from clinical experts during review of study results, an alternative post-hoc definition was also assessed in which initiation of any treatment including simultaneous LABA (long-acting beta agonist) /LAMA (Long-acting Muscarinic Antagonists) /ICS (inhaled corticosteroid therapy) use in free or fixed combination was counted as an outcome.
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Time frame: From cohort entry (index date) until the escalation, up to one year after cohort entry.
Incidence Rate of Any Element of a Composite Outcome Including Exacerbation, Hospitalization for Pneumonia, or Escalation (Original Case Definition) to Triple Therapy
Incidence rate of any element of a composite outcome including exacerbation, hospitalization for pneumonia, or escalation (original case definition) to triple therapy. Exacerbation was defined as follows: Severe exacerbation: Hospitalization with a principal discharge diagnosis of COPD. Moderate exacerbation: An emergency department (ED) visit with a discharge diagnosis of COPD, or, an antibiotic for a respiratory condition dispensed the same day as an oral corticosteroid. Pneumonia was defined using ICD-9-CM diagnoses and ICD-10 diagnosis codes. Escalation was defined as the addition of Inhaled Corticosteroids to Tiotropium and Olodaterol or a Long-acting Muscarinic Antagonists to long-acting beta agonist / inhaled corticosteroid therapy.
Time frame: From cohort entry (index date) until exacerbation, hospitalization (for community-acquired pneumonia) or escalation, up to one year after cohort entry.
Incidence Rate of Any Element of a Composite Outcome Including Exacerbation, Hospitalization for Pneumonia, or Escalation (Alternative Case Definition) to Triple Therapy
Incidence rate of any element of a composite outcome including exacerbation, hospitalization for pneumonia, or escalation (alternative case definition) to triple therapy. Exacerbation was defined as follows: Severe exacerbation: Hospitalization with a principal discharge diagnosis of COPD. Moderate exacerbation: An emergency department (ED) visit with a discharge diagnosis of COPD, or, an antibiotic for a respiratory condition dispensed the same day as an oral corticosteroid. Pneumonia was defined using ICD-9-CM diagnoses and ICD-10 diagnosis codes. Escalation was defined as the initiation of any treatment including simultaneous LABA (long-acting beta agonist) /LAMA (Long-acting Muscarinic Antagonists) /ICS (inhaled corticosteroid therapy) use in free or fixed combination.
Time frame: From cohort entry (index date) until exacerbation, hospitalization (for community-acquired pneumonia) or escalation, up to one year after cohort entry.