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To investigate the efficacy and safety of OPC-6535 in COPD patients

A Phase 2, Multinational, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-arm, Dose-comparison Trial of OPC-6535 in Patients With Chronic Obstructive Pulmonary Disease (COPD)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080220742
Enrollment
720
Registered
2009-06-04
Start date
2009-06-02
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

chronic obstructive pulmonary disease

Interventions

investigational material(s) Generic name etc : OPC-6535 INN of investigational material : - Therapeutic category code : 229 Other agents affecting respiratory organs Dosage and Administration for Inve

Sponsors

Otsuka Pharmaceutical Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -Age 40 to 75 years, inclusive, at the time informed consent is obtained -Ability to provide own written informed consent -Agree to use an appropriate method of contraception until 3 months after the last dose of the investigational medicinal product (IMP) -A rating of 1 or higher on the Goddard scale in assessment of emphysema severity by chest CT scan at screening -Ratio of forced expiratory volume in 1 second to forced vital capacity (FEV1/FVC) of less than 70% at screening -Cigarette smoking history of at least 20 pack years at screening

Exclusion criteria

Exclusion criteria: -Subjects with obstructive disorders due to bronchial asthma -Subjects receiving long-term oxygen therapy -Subjects with active tuberculosis or obvious bronchiectasis -Complication of malignant tumor -Uncontrolled cardiovascular, endocrine, blood, or nervous system disorders -Uncontrolled condition with COPD exacerbation of level 2 or 3 within 8 weeks prior to the start of washout period (within 12 weeks prior to start of treatment period)

Design outcomes

Primary

MeasureTime frame
efficacy Trough FEV1 Measurement over time (from baseline over the 24-month treatment period) and change and percentage change from baseline to end of the treatment period (Month 24)

Secondary

MeasureTime frame
efficacy symptom diary score , QOL, CT etc. 24 Month

Countries

Asia except Japan, Japan

Outcome results

None listed

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