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NCT Number: NCT06331351

Effect 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. 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.

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Key information

Conditions

Age range

20 year–70 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation

Chiayi City, 66247, Taiwan

Location status: Recruiting

Location contact

Juen-Haur Hwang, MD, PhD

CONTACT

[email protected]

+886-5-2648000 ext. 5239

About this study

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.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Adult men and women aged 20 to 70 years old.
  • Patients with chronic pharyngitis

Exclusion criteria

  • Patients who are bedridden or unable to take care of themselves.
  • Dialysis patients.
  • Patients who cannot understand the details of this study or cannot cooperate with the examination.
  • History of alcohol or drug abuse.
  • Pregnant and lactating women

Treatment and study plan

Control Group

Other

2 times a day, 1 sachet each time.

Other names: Placebo

Jing Si herbal tea liquid packets

Other

2 times a day, 1 sachet each time.

Primary outcomes

  1. Health questionnaire

    Time frame: Before the test begins and after intervention completed (at 1 month)

    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)

  2. Reflux Symptom Index (RSI)

    Time frame: Before the test begins and after intervention completed (at 1 month)

    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.

Study contacts

Contact information is provided by the study sponsor or research team.

Juen-Haur Hwang, MD, PhD

CONTACT

[email protected]

+886-5-2648000 ext. 5239

Sponsors and collaborators

Lead sponsor

Dalin Tzu Chi General Hospital

Other

Registry information

Official study title

Effect of Jing Si Herbal Tea Liquid Packets on Chronic Pharyngolaryngitis: A Randomized, Double-blinded Clinical Trial

Important dates

Study start
2024
Primary completion
2026
Study completion
2026
First posted
Mar 26, 2024
Registry last updated
Feb 9, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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