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CTRI Number  CTRI/2024/10/075492 [Registered on: 18/10/2024] Trial Registered Prospectively
Last Modified On: 24/07/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study to compare hypertonic saline nebulization versus bicarbonate nebulization for improving lung function in children with cystic fibrosis  
Scientific Title of Study   Bicarbonate versus hypertonic saline nebulization for improving lung function in children with cystic fibrosis: A randomized controlled trial  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Vasudha Kohli 
Designation  Senior Resident  
Affiliation  All India Institute of medical sciences, Delhi  
Address  PICU, First floor, Mother and child block, AIIMS Delhi

New Delhi
DELHI
110029
India 
Phone  9868204014  
Fax    
Email  kohli.vasudha@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Kana Ram Jat  
Designation  Associate Professor  
Affiliation  All Delhi 
Address  8th floor, Mother and child block, AIIMS Delhi

New Delhi
DELHI
110029
India 
Phone  9868152426  
Fax    
Email  drkanaram@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Kana Ram Jat  
Designation  Associate Professor  
Affiliation  All Delhi 
Address  8th floor, Mother and child block, AIIMS Delhi

New Delhi
DELHI
110029
India 
Phone  9868152426  
Fax    
Email  drkanaram@gmail.com  
 
Source of Monetary or Material Support  
ALL INDIA INSTITUTE OF MEDICAL SCIENCE, DELHI  
 
Primary Sponsor  
Name  AIIMS Delhi  
Address  Sri Aurobindo Marg, Ansari Nagar, Delhi, India  
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Kana Ram Jat   All India Institute of Medical Sciences, Delhi   Room number 208, Pediatric Chest Clinic, 2nd floor, New RAK OPD
New Delhi
DELHI 
09868152426

drkanaram@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee, AIIMS Delhi   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J479||Bronchiectasis, uncomplicated,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  3% saline nebulization   4ml solution of 3% saline nebulization will be used for nebulization for enrolled patients randomized to control arm, twice daily, for 3 months. Nebulization will be preceded by salbutamol nebulization and followed by chest physiotherapy and nebulization with inhaled steroids.  
Intervention  8.4% Sodium bicarbonate nebulization   4ml solution of 8.4% sodium bicarbonate nebulization will be used for nebulization for enrolled patients twice daily for 3 months. Nebulization will be preceded by salbutamol nebulization and will be followed by chest physiotherapy and inhaled steroid nebulization.  
 
Inclusion Criteria  
Age From  5.00 Year(s)
Age To  18.00 Year(s)
Gender  Both 
Details  Children 5-18 years of age, diagnosed with
Cystic fibrosis, on regular chest physiotherapy for at least 3
months  
 
ExclusionCriteria 
Details  Children with history of adverse reaction to hypertonic saline or sodium bicarbonate, or history of exposure to inhaled sodium bicarbonate in preceding 3 months, or having acute severe exacerbation at the time of screening or very severe pulmonary dysfunction (FEV1 less than 30% predicted) or inability to perform spirometry or home oxygen therapy at the time of screening or within preceding 3 months.  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare changes in pulmonary
function (FEV1) following 3 months of nebulization with sodium
bicarbonate compared to hypertonic saline nebulization in
children with cystic fibrosis age 5-18 years. 
3 months  
 
Secondary Outcome  
Outcome  TimePoints 
To study the effect of 3 months of
nebulization with sodium bicarbonate compared to hypertonic
saline nebulization in children with cystic fibrosis age 5-18 years
on Ease of sputum expectoration 
3 months  
To study the effect of 3 months of
nebulization with sodium bicarbonate compared to hypertonic
saline nebulization in children with cystic fibrosis age 5-18 years
on Frequency of Pulmonary exacerbations requiring
hospitalization or i/v or oral antibiotic use. 
3 months  
To study the effect of 3 months of
nebulization with sodium bicarbonate compared to hypertonic
saline nebulization in children with cystic fibrosis age 5-18 years
on Clinical severity score using Modified N. Huang Clinical
Severity Score 
3 months  
To study the effect of 3 months of
nebulization with sodium bicarbonate compared to hypertonic
saline nebulization in children with cystic fibrosis age 5-18 years
on Airway colonization with respiratory pathogens commonly
colonizing airway in CF 
3 months  
To study the effect of 3 months of
nebulization with sodium bicarbonate compared to hypertonic
saline nebulization in children with cystic fibrosis age 5-18 years
on adverse effects  
3 months  
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   N/A 
Date of First Enrollment (India)   28/10/2024 
Date of Study Completion (India) Date Missing 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   Cystic fibrosis is an inherited disorder characterized by dysfunction of CFTR, an anion channel present in a diverse range of epithelial tissues. Specifically in the lungs, it plays a role in airway hydration and pH regulation. CFTR dysfunction leads to defective mucociliary clearance causing thick mucus plugging and repeated infections. Although survival is gradually improving, majority patients still succumb to respiratory failure. In resource limited settings, there are only limited affordable therapies. CFTR modulators and dornase alpha are expensive and not readily available, leaving chest physiotherapy and hydrator therapies (nebulization with 3%saline) as the mainstay of treatment of CF patients in our country. 
Recent studies have highlighted the potential therapeutic benefits of bicarbonate inhalation in CF. Bicarbonate, a key ion transported by CFTR, plays a crucial role in modulating airway pH and influencing mucin properties. Alkalinization of airway surface liquid with bicarbonate has shown promise in preclinical models and early clinical trials, demonstrating improved mucus rheology, enhanced drug permeation, and reduced bacterial biofilm formation. Sodium bicarbonate, is an inexpensive, readily available drug. Due to its high osmolarity, with an additional useful property of alkaline pH, it may perform better than hypertonic saline for improving lung health in CF patients in poor resource settings. 
But no RCT till date has compared 3% NS nebulization with sodium bicarbonate in patients with CF with respect to clinical outcomes. The current study will explore repurposed novel utilization of an easily available drug. As CF is a lifelong disease, long-term improvement in lung health and quality of life will be multi-fold, if detected.  
 
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