Last updated on February 2020

A Phase 2b Study of Inhaled RVT-1601 for the Treatment of Persistent Cough in IPF


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Chronic Cough | Persistent Cough in IPF | Idiopathic Pulmonary Fibrosis
  • Age: Between 40 - 89 Years
  • Gender: Male or Female

Inclusion Criteria:

  • Male or female subjects age 40 through 89 years
  • Confirmed diagnosis of IPF with clinical features consistent with the current clinical practice guidelines
  • Persistent cough for at least 8 weeks that is primarily due to IPF and not responsive to anti-tussive therapy
  • Daytime cough severity score of 40 mm on a 100-mm VAS
  • 24-hour average cough count of at least 10 coughs per hour
  • Forced Vital Capacity (FVC) > 45% predicted value within 4 weeks
  • Diffusion capacity for carbon monoxide corrected for hemoglobin (DLCOc) > 30% predicted value within 4 weeks
  • Life expectancy of at least 12 months

Exclusion Criteria:

  • Current or recent history of clinically significant medical condition, laboratory abnormality, or illness that could place the subject at risk or compromise the quality of the study data
  • Significant coronary artery disease (i.e., myocardial infarction within 6 months or unstable angina within 1 month)
  • Upper or lower respiratory tract infection within 4 weeks
  • Acute exacerbation of IPF within 6 months
  • Lung transplantation expected within 12 months
  • Requiring supplemental O2 > 4 litres/min to maintain peripheral arterial O2 saturation (SpO2) > 88% at rest
  • History of malignancy likely to result in significant disability or likely to require significant medical or surgical intervention within the next 2 years
  • Current smoker (i.e., use of tobacco products within the last 3 months)
  • Current or recent history of drug or alcohol abuse within 12 months
  • Participation in any other investigational drug study within 4 weeks
  • Use of certain drugs for cough management within 4 weeks: prednisone, opiates, baclofen, gabapentin, pregabalin, thalidomide, amitriptyline, inhaled corticosteroids, or inhaled bronchodilators
  • Use of ACE inhibitors or cromolyn sodium within 4 weeks
  • Females who are pregnant or breastfeeding, or if of child-bearing potential unwilling to practice acceptable means of birth control during the study
  • History of hypersensitivity or intolerance to cromolyn sodium

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


Volunteer Sign-up

Sign up for our FREE service to receive email notifications when clinical trials are posted in the medical category of interest to you.