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Clinical trial of Lactiplantibacillus plantarum KF511 for respiratory symptoms

Efficacy and safety of Lactiplantibacillus plantarum KF511 for respiratory symptoms: A 12-week randomized, double-blind, placebo-controlled clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0009249
Enrollment
100
Registered
2024-03-15
Start date
2022-01-05
Completion date
Unknown
Last updated
2024-04-02

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

Conditions

None listed

Interventions

Dietary Supplement : Experimental group: Subjects will take one capsule of L. plantarum KF511 orally one daily for 12 weeks. Control group: Subjects will take one capsule of placebo orally one daily f

Sponsors

Jeonbuk National University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Aged 19 to 80 years 2) A person who has two or more symptoms of persistent respiratory symptoms (cough, sputum, dyspnoea or chest pain) for at least one month 3) Voluntary agreement to participate in the clinical trials and provision of informed consent

Exclusion criteria

Exclusion criteria: 1) Smoker 2) Forced expiratory volume in the first second/ Forced vital capacity (FEV1/FVC) ratio (post-bronchodilator) 3 fold of normal range or serum creatinine > 2.0 mg/dl 12) Pregnant, planning to become pregnant, or breast-feeding 13) Laboratory test, medical or psychological conditions deemed by the investigators to interfere with successful participation in the studya n

Design outcomes

Secondary

MeasureTime frame
Pulmonary function test;St. George’s respiratory questionnaire (SGRQ);modified Medical research council dyspnea scale;WBC count and WBC differential count;Cytokines (IL-6, IFN-?, TNF-a, CXCL1, CXCL2);Matrix metalloproteinase-9

Primary

MeasureTime frame
CAT (COPD assessment test);BCSS (Breathless, cough, and sputum scale)

Countries

Korea, Republic of

Contacts

Public ContactMi-Ra Oh

Jeonbuk National University Hospital

mroh@jbctc.org+82-63-259-3047

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026