Skip to content

Efficacy and safety of Ojeok-san plus Saengmaek-san for gastroesophageal reflux-induced chronic cough

Efficacy and safety of Ojeok-san plus Saengmaek-san for gastroesophageal reflux-induced chronic cough: a randomized, double-blind, placebo-controlled, parallel, multicenter, investigator-initiated clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0008908
Enrollment
138
Registered
2023-10-30
Start date
2023-12-01
Completion date
Unknown
Last updated
2023-11-13

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

Conditions

None listed

Interventions

Drug : 1. Intervention group: administer 5.76 g of OJS (4.35 g/each) plus SMS (1.41g/each) granules, 3 times a day(OJS 13.06g/day, SMS 4.23g/day), for 6 weeks 2. Control group: administer 5.76 g of OJ

Sponsors

Kyung Hee University Oriental Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. aged 19-65 years 2. Subjects who have have had a history of cough continuously for > 8 weeks 3. Subjects who have been diagnosed with reflux esophagitis within the last 1 year(including those who submitted documents diagnosed with reflux esophagitis at other hospitals or prescribing medicines for reflux esophagitis more than 4 weeks) 4. patients who consent to participate

Exclusion criteria

Exclusion criteria: 1. Present with abnormal findings, as established by chest x-ray 2. Present with abnormal findings on pulmonary function test (PFT) 3. Present with abnormal findings at nasal endoscopy that might lead to cough 4. Were diagnosed with acute respiratory diseases (including upper respiratory tract disorders) within the past month 5. Were diagnosed with chronic respiratory diseases(e.g., chronic obstructive pulmonary disease, bronchial asthma, bronchiectasis, interstitial lung disease, and other chronic respiratory diseases) within the last 2 years 6. Were diagnosed with Los Angeles classification system grade C or higher GERD within the past year 7. Exhibit symptoms indicative of malignant disease within the GI tract (e.g., severe dysphagia, bleeding, weight loss, anemia, bloody stools) 8. History of surgical or endoscopic antireflux treatment 9. Currently have a disorder such as postnasal drip syndrome 10. Have active infection requiring systemic antibiotic therapy 11. Have a blood-clotting disorder 12. Have a lifetime smoking history of =20 packs (400 cigarettes) 13. Have used an angiotensin-converting enzyme inhibitor during the previous 4 months 14. Have used cough medicines, glucocorticoids, leukotriene receptor antagonists, anticholinergic drugs, long-acting ß2-agonists within the previous 2 weeks 15. Have used cough medicines as antihistamines within the previous 2 weeks 16. Have used medicines as PPIs, histamine receptor antagonists, mucosa-protective agents, GI motility promoters, antacids, antidepressants, anxiolytics, lower esophageal sphincter agonists within the previous 2 weeks 17. Have allergies or sensitivities to the experimental medicine/placebo 18. Have a body mass index < 18.5 kg/m2 19. Have an aspartate aminotransferase (AST) or alanine aminotransferase (ALT) level at least twofold higher than the upper limit of normal or a eGFR = 60 mL/min/1.73? 20. Hepatitis B (active) or hepatitis C, chronic liver disease 21. History of cerebrovascular accident(CVA) 22. Unregulated hypertension (high blood pressure of 160 mmHg in the condenser or high blood pressure exceeding 100 mmHg in the relaxation period of more than 3 minutes) 23. History of esophagostenosis, esophageal varix, Barrett’s esophagus, peptic ulcer or gastrointestinal bleeding, Zollinger-Ellison syndrome 24. Have used digitalis, mineralocorticoid, anticoagulants, high-dose aspirin(=325 mg is allowed) within previous 4 weeks 25. Have used potassium-containing drug treatment, licorice-containing drug treatment, glycyrrhizinic acid or its salts-containing drug treatment, loop diuretics (furosemide, ethacrynic acid) or thiazides diuretics (trichloromethiazide) within previous 4 weeks 26. Have a history of malignant tumors (e.g., lung or esophageal cancer) within the last 5 years 27. History of drug or alcohol abuse 28. Are pregnant or breastfeeding 29. Subjects who did not agree to use contraception by medically permitted methodsl 30. Have participated in clinical trials within the past 1 months 31. Are deemed unsuitable by the investigators

Design outcomes

Primary

MeasureTime frame
Cough symptom score (Cough diary)

Secondary

MeasureTime frame
Cough visual analogue scale (VAS);Leicester Cough Questionnaire ;Gastroesophageal reflux disease questionnaire;Hull Airway Reflux (hypersensitivity) Questionnaire;Pattern Identification for Chronic Cough Questionnaire;Pattern Identification for Gastroesophageal reflux disease

Countries

Korea, Republic of

Contacts

Public ContactYee Ran Lyu

Korea Institute of Oriental Medicine

onedoctor2ran@kiom.re.kr+82-42-868-9590

Outcome results

None listed

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