Cistanche herb extract for COPD

Tolerability study of Cistanche herb extract for COPD patients

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs041210138

Enrollment

Registered

2022-01-31

Start date

2022-01-31

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 (chronic obstructive pulmonary disease) COPD

Interventions

Intake of Cistanche herb extract

Cistanche herb extract

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) subject: COPD patients with stage II-IV 2) age, sex: equal or over 20, both sex 3) symptom: stable more than 3 months 4) past disease: any 5) comorbidity: anyone who can undergo 6 minutes walking test 6) laboratory data: consisted to COPD criteria in pulmonary function tests 7) anyone who can agree to consent form

Exclusion criteria

Exclusion criteria: 1) anyone who cannot agree consent form 2) anyone who is not suitable in investigator decision

Design outcomes

Primary

Measure	Time frame
The tolerability of Cistanche herb extract for COPD patients (completion rate, defining adverse effect)	—

Secondary

Measure	Time frame
The effects of Cistanche herb extract 1) the effect of 6 minutes walking test 2) the effect of pulmonary function tests 3) the effect of serum biomarkers	—

Contacts

Public ContactRyuji Hayashi

Toyama University Hospital

hsayaka@med.u-toyama.ac.jp+81-76-434-7808

Outcome results

None listed

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