Refractory cough/Refractory gastroesophageal reflux cough
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Subtopic 1: 1. Aged 18 to 70 years; 2. Cough is the main symptom, the course of cough is more than 2 months, and there is no obvious abnormality in chest imaging; 3. According to the Asthma Group of the Chinese Society of Respiratory Diseases The promulgated "Guidelines for the Diagnosis and Treatment of Cough (2015)" Chronic Cough Diagnosis Procedures. After a comprehensive examination, the cause cannot be clarified, or for patients with refractory cough whose known cause has not been relieved after treatment; 4. The total score of the patient's cough symptom score >=3 points; 5. The subject has a clear understanding of the purpose of the study, is willing and able to complete the study in compliance with the requirements, and signs an informed consent form. Subtopic 2: 1. Aged 18 to 70 years men and women; 2. Cough is the main symptom, the course of cough is more than 2 months and the chest imaging examination shows no obvious abnormalities; 3. According to the Asthma Group of the Chinese Society of Respiratory Diseases The issued "Guidelines for the Diagnosis and Treatment of Cough (2015)" and the diagnostic criteria in our department combined with the Lyon Consensus of Gastroesophageal Reflux Disease,patients who meet the following could be suspected refractory gastroesophageal reflux cough: (1) Chronic cough, with or without common reflux symptoms such as acid reflux, heartburn, sternum and pain; (2) MII-pH meets one of the following or more: 1) Esophageal acid exposure time> 6%; 2) Total reflux times> 80 times/24h; 3) Symptom-related probability =95%; (3) Standard anti-reflux (omeprazole 20 mg, 2 times/day before meals + mosapride 5 mg, 3 times/day) treatment for 8 weeks without relief of cough; 4. The total score of the patient's cough symptom score >=3; 5. The subject clearly understands the purpose of the study, is willing and able to complete the study in compliance with the requirements, and signs an informed consent form.
Exclusion criteria
Exclusion criteria: Subtopic 1: 1. pregnant or lactating women; 2. smoking or quitting smoking for <=2 years; 3. a history of new respiratory infections within 8 weeks; 4. a history of contraindications or allergies to gabapentin treatment; 5. active liver and kidney disease. Subtopic 2: 1. pregnant or breast-feeding women; 2. smoking or quitting smoking for <=2 years; 3. a history of new respiratory infections within 8 weeks; 4. a history of contraindications or allergies to baclofen treatment; 5. active liver and kidney disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The success rate of gabapentin in the treatment of patients with refractory cough;The success rate of baclofen in the treatment of refractory gastroesophageal reflux cough; | — |
Secondary
| Measure | Time frame |
|---|---|
| Cough symptom score;VAS;LCQ;HARQ;NLHQ;Capsaicin cough sensitivity;GerdQ; | — |
Countries
China
Contacts
Shanghai Tongji Hospital