About this trial
Nintedanib combined with or without Dextromethorphan for the treatment of IPF, with FVC as the primary efficacy endpoint to evaluate its effectivenes.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥40 years old, regardless of gender;
According to "2022 ATS/ERS/JRS/ALAT Guidelines", it was diagnosed as idiopathic pulmonary fibrosis (IPF);
Lung function meets the following conditions during screening: forced vital capacity (FVC) ≥45% predicted value; The dispersion of carbon monoxide (DLco, corrected Hb) in a single breath is between 30% and 80% of the predicted value.
HRCT images completed within 12 months before screening can be used to determine UIP mode;
Disqualifiers
Suffering from other interstitial lung diseases caused by non-IPF reasons (such as connective tissue disease-related ILD, chronic allergic pneumonia, pneumoconiosis, drug-induced pneumonia, radiation lung disease, etc.);
One or more Acute Exacerbation); of IPF occurred within 3 months before screening;
Have received a lung transplant;
Complicated with severe COPD(GOLD III and above), severe asthma or other airway diseases that may interfere with FVC determination;
Trial design
Parallel
Treatments tested in this trial
Nintedanib,Dextromethorphan
DrugDosage of Nitedanib is 150mg/100mg each time, twice a day, once in the morning and once in the evening, It is recommended to take it with meals. The dosage of Dextromethorphan sustained-release tablets is 30 mg, twice a day. It is recommended to take it orally 30 minutes after meals. For 12 weeks.
Nintedanib,Placebo
DrugDosage of Nitedanib is 150mg/100mg each time, twice a day, once in the morning and once in the evening, with an interval of 12hours. It is recommended to take it with meals to reduce gastrointestinal adverse reactions. Placebo, twice a day, recommended to be taken in the morning and evening. For 12 weeks.
Treatment groups
Trial outcomes
Primary outcomes
FVC
Secondary outcomes
Leicester Cough score (LCQ)
Symptoms and Effects Scale(L-PF)
Incidence Rate of Acute Aggravating Events(%predicted)
DLCO(%predictedl)
Locations
Sponsors and contacts
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