New supplement tested for cough and phlegm relief
NCT ID NCT05544942
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a supplement called GCWB1001 can help adults with mild breathing symptoms like cough, phlegm, and chest tightness. 120 people took either the supplement or a placebo for 12 weeks. The goal was to see if symptoms improved and if it was safe.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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120 people
The number who actually took part.
- Started
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Aug 2022
- Finished
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Aug 2023
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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20 to 69 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. At the time of screening, 19 or 70 years 2. Those who have two or more symptoms of cough, sputum, lake striking or chest stuffy for more than one month, and BCSS at 3 or more 3. Those with FEV 1 /FVC 70 or higher 4. Those who agreed to participation in this human application test before the beginning of the human test and signed in the Informed Consent Form Exclusion Criteria: 1. Severe cardiovascular, immune system, gastrointestinal and biliary meters, kidney and urinary systems, Those who are currently treated with neurological system, musculoskeletal system, mental, infectious diseases and malignant tumors 2. Those who have clinically significant respiratory diseases findings as a result of chest X-ray shooting 3. Those who have been diagnosed with chronic obstructive pulmonary disease (COPD) or asthma 4. Chronic bronchitis (BCSS 9 or more points or more Those who have continuous cough, sputum symptoms for more than 3 months) 5. A person who has a respiratory symptom due to virus or bacteria within 4 weeks of visit (Influenza, Corona Virus infection 19, pneumonia, acute infection, etc.) However, if the corona virus infection 19 has worsened or new symptoms of respiratory symptoms occur (However, if there are no additional respiratory symptoms caused by corona-19 infections, you can participate after 4 weeks after isolation. In the case of additional respiratory symptoms, the symptoms improve and can be participated if they have been restored to the time of recovery so that there is no difference compared to before infection.) 6. Those who take drugs for the purpose of taking immunosuppressive agents, or for the purpose of regulating Jinhae expectoration within 4 weeks of visit. 7. Those who take health functional foods related to improvement of respiratory health within 2 weeks of visit 1 8. Those who administered antibiotics within 2 weeks of visiting 1 9. Probiotics and those who consistently consume lactic acid bacteria products (4 or more times a week) within 2 weeks 10. Those who are less than 6 months after smokers or smoking cessation 11. Less than 4 weeks of visit, a person who falls under alcohol with an average of 30 g (210 shares) per day (210 weeks), an average of 20 g or more (140 shares) per day (140 shares) 12. Those who are more than twice the summit of Creatinine. 13. AST (G OT) or ALT (GPT) is three times more than the normal upper limit of the embodiment 14. Inconsidable high blood pressure patients systolic blood pressure 160 mmHg or higher or relaxation blood pressure 100 mmHg or higher, test target 10 minutes stabilization 15. Ungodined diabetic patient empathy 180 mg/dL or more 16. Those who are pregnant or have a planning plan for lactation or this human application period 17. Those who have been administered to include other arbitral clinical trial applications within 3 months of visitor and have received food for adoption of drugs for clinical trials. Those who plan to participate 18. Those who are sensitive or allergic to food ingredients for this human application 19. Those who judge that the tester is inadequate for other reasons
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Chungbuk national university hospital
Taebuk, South Korea
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HALLYM UNIV. Chuncheon MEDICAL CENTER
Chuncheon, South Korea
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Hallym Univ. Medical Center
Gyeonggi-do, South Korea
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Hanyang University Seoul Hospital
Seoul, South Korea
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Other studies related to the condition(s) this trial covers.
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