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Association of efficacy of long acting beta 2-agonist (LABA) and single nucleotide polymorphisms (SNP) of beta 2-adrenergic receptors in elderly patients with COPD

Association of efficacy of long acting beta 2-agonist (LABA) and single nucleotide polymorphisms (SNP) of beta 2-adrenergic receptors in elderly patients with COPD - Efficacy of LABA and SNP of beta 2-adrenergic receptors

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000002629
Enrollment
50
Registered
2009-10-15
Start date
2009-10-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COPD

Interventions

We conducted a randomized, crossover study comparing the efficacy of LABA between transdermal tulobuterol patch (TP, 2 mg once a day) and inhaled salmeterol (50microgram, twice a day) in elderly COPD

Sponsors

Tokyo Metropolitan Geriatric Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: All patients had clinical features consistent with the presence of moderate-to-severe COPD including spirometric criteria of post-bronchodilator FEV1/FVC ratio of less than 0.7 and FEV1 between 30% and 80% of the predicted values for height and age, and kept stable conditions during the past month.

Exclusion criteria

Exclusion criteria: Exclusion criteria included age younger than 65, dementia and any previously usage of inhaled medications such as beta 2-agonists, anti-cholinergics or corticosteroids, patched beta 2--agonist, or systemic corticosteroids. Patients with dermatological disorders, severe heart diseases, uncontrolled hypertension or other diseases for whom patch preparations or treatments with beta 2-agonists was considered inappropriate were also excluded.

Design outcomes

Primary

MeasureTime frame
The primary outcomes were relationship between change in sprirometric values and 6-minute walk distance (6MWD) and SNP of beta 2-adrenergic receptors in each medication (tulobuterol patch and inhaled salmeterol therapy). The secondary outcomes were quality of life (QOL) measured by St.George's Respiratory Questionnaire.

Countries

Japan

Contacts

Public ContactHideki Takahashi

Tokyo Metropolitan Geriatric Hospital Division of Respiratory Medicine

htakahashi@tmghig.jp03-3964-1141

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026