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Table 1 Outline of the planned visit

From: The efficacy of gabapentin for the treatment of refractory cough associated with interstitial lung disease: study protocol for a randomized, double-blind and placebo-controlled clinical trial

  Study period
  Screening visit Randomize Treatment visits Post-treatment follow-up
Timepoint** −7~0   Visit 1
Day 0
Visit 2
Week 4
Visit 3
Week 8
Visit 4
Week 10
Visit 5
Week 14
Eligibility screen X       
Informed consent X       
Adverse event check    X X X X X
Study drug    X X X X  
Concomitant medication    X X X X X
Assessments        
Physical exam X       
Cough symptom score X   X X X X X
LCQ X   X X X X X
Gerd Q X   X X X X X
HARQ X   X X X X X
Capsaicin cough sensitivity X   X X X X X
Induced sputum analysis X   X X X X X
Pulmonary function X   X     X
Chest CT X   X     X
  1. LCQ, Leicester Quality of Life Questionnaire, Gerd Q, Gastroesophageal Reflux Disease Questionnaire, HARQ, Hull Airway Reflux Questionnaire, Chest CT, chest computer tomography