A Multi-center RCT to Evaluate Subsegmental BTVA Treatment for Severe Emphysema

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorShanghai Chest Hospital

About this trial

To compare the efficacy and safety of subsegmental treatment and segmental treatment with InterVapor in patients with severe emphysema

Eligibility criteria

Qualifiers

Age≥18 years old;

Patients with severe emphysema and with at least two treatable subsegments and 1 treatable segment in the ipsilateral lung assessed by QCT;

Non-smoking for 2 months prior to study enrollment, and remain abstinent from smoking for the duration of the study;

15%predicted≤FEV1≤50%predicted, TLC≥100% predicted, RV≥150% predicted (and RV/ TLC≥55%);

Disqualifiers

Concomitant illnesses or medications that would pose a significant increased risk for complications following treatment with InterVapor. Examples of particular relevance include: immune system disorders, immunosuppressant medications of clinical relevance, bleeding disorders and unstable cardiovascular conditions, history of asthma or alpha-1 antitrypsin deficiency;

Use of morphine derivatives within 4 weeks prior to screening;

Taking more than 10 mg prednisolone or equivalent daily glucocorticoids at the screening visit;

Recent COPD exacerbation in preceding 6 weeks;

Trial design

Treatments tested in this trial

  • BTVA treatment plus optimal medical therapy (GOLD guidelines)

Treatment groups

100 Participants
are divided into 2 treatment groups

Sponsors and collaborators