An interventional study of control group and Jing Si herbal tea liquid packets in Chronic Pharyngitis, sponsored by Dalin Tzu Chi General Hospital. Recruiting at 1 site in Taiwan. Open to participants aged 20 Years to 70 Years. Per ClinicalTrials.gov, last updated 2026-02-09.
Sponsored by Dalin Tzu Chi General Hospital · Not applicable, Interventional, and Other
Chronic pharyngolaryngitis is common and often make people suffer in many aspects. The etiology is numerous, for example, airway hypersensitivity, gastroesophageal acid regurgitation, sicca syndrome, anxiety, etc.
The investigators aimed to investigate the effect of Jing Si herbal tea liquid packets on chronic pharyngolaryngitis by a design of randomized, double-blind clinical trial in this study. The subjects who were bed-ridden, without self-care ability, receiving hemodialysis, no idea about the details of this study, poor compliance for this study, alcohol and/or drugs additives, pregnancy and breast-feeding women were excluded from this study.
A questionnaire for health and habits was performed at the start of the study, and a questionnaire for Reflux Symptom Index (RSI) was performed at the start and the end of the study. Finally, Student's t-test was used to test the difference between the Jing Si herbal tea group and the control group. And, multivariate linear regression was used to test the violation of clinical factors on the treatment outcome of Jing Si herbal tea liquid packets on chronic pharyngolaryngitis.
Chronic pharyngolaryngitis is common and often make people suffer in many aspects. The etiology is numerous, for example, airway hypersensitivity, gastroesophageal acid regurgitation, sicca syndrome, anxiety, etc.
The investigators aimed to investigate the effect of Jing Si herbal tea liquid packets on chronic pharyngolaryngitis by a design of randomized, double-blind clinical trial in this study. One hundred and twenty adults of both sex with a range of age between of 20-70 years old were included. All participants were divided randomly into two groups. Jing Si herbal tea group received 1 pack of Jing Si herbal tea liquid packet twice a day for 1 month (30 days), and the control group received 1 pack of control liquid packet twice a day for 1 month (30 days). The subjects who were bed-ridden, without self-care ability, receiving hemodialysis, no idea about the details of this study, poor compliance for this study, alcohol and/or drugs additives, pregnancy and breast-feeding women were excluded from this study.
A questionnaire for health and habits was performed at the start of the study, and a questionnaire for Reflux Symptom Index (RSI) was performed at the start and the end of the study. Finally, Student's t-test was used to test the difference between the Jing Si herbal tea group and the control group. And, multivariate linear regression was used to test the violation of clinical factors on the treatment outcome of Jing Si herbal tea liquid packets on chronic pharyngolaryngitis.
Dalin Tzu Chi General Hospital is the lead sponsor of 37 studies on the registry; 6 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
placebo: 2 times a day, 1 sachet each time.
Other: control group
Jing Si herbal tea liquid packets: 2 times a day, 1 sachet each time.
Other: Jing Si herbal tea liquid packets
2 times a day, 1 sachet each time.
Also known as: Placebo
2 times a day, 1 sachet each time.
Health questionnaire
the recording items are as follows: age, gender, height, weight, waist circumference, disease history, smoking or not (quantification), drinking or not (quantification), and eating betel nut or not (quantification) , sleeping status, whether to drink coffee (quantification)
Time frame: Before the test begins and after intervention completed (at 1 month)
Reflux Symptom Index (RSI)
The Reflux Symptom Index (RSI) is in common use as a semi-quantitative tool to assess symptoms associated with laryngopharyngeal reflux (LPR). RSI is a scoring tool that consists of nine items used to assess various symptoms associated with LPR. Each item has a scale ranging from zero (no complaints) to five (severe complaints), with a maximum of 45 indicating the most severe symptoms.
Time frame: Before the test begins and after intervention completed (at 1 month)
Plan to share: No
No publications or documents are linked to this record.
Started Feb 2024 (actual). Primary completion is estimated for Oct 2026, 32 months after the start.
How these figures are worked out, and which studies are left out of them.
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
Contact study teamGet an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
Dalin Tzu Chi General Hospital