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CTRI Number  CTRI/2024/03/064108 [Registered on: 13/03/2024] Trial Registered Prospectively
Last Modified On: 23/02/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study of N-acetyl cysteine therapy in patients with lung tuberculosis 
Scientific Title of Study   N-acetyl cysteine therapy in patients with Pulmonary tuberculosis: A Pilot Open- Label 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  Saurabh Mittal 
Designation  Assistant Professor 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Room no. 2, Porta Cabin, 3rd floor, NPW, AIIMS, Delhi
Delhi
South
DELHI
110029
India 
Phone  01126546357  
Fax    
Email  saurabh_kgmu@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Saurabh Mittal 
Designation  Assistant Professor 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Room no. 2, Porta Cabin, 3rd floor, NPW, AIIMS, Delhi
Delhi

DELHI
110029
India 
Phone  01126546357  
Fax    
Email  saurabh_kgmu@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Saurabh Mittal 
Designation  Assistant Professor 
Affiliation  All India Institute of Medical Sciences, New Delhi 
Address  Room no. 2, Porta Cabin, 3rd floor, NPW, AIIMS, Delhi
Delhi

DELHI
110029
India 
Phone  01126546357  
Fax    
Email  saurabh_kgmu@yahoo.co.in  
 
Source of Monetary or Material Support  
Department of Biotechnology, Govt. of India 
 
Primary Sponsor  
Name  Dr Saurabh Mittal 
Address  Room no. 2, Porta Cabin, third floor, New Pvt Ward, AIIMS, New Delhi 
Type of Sponsor  Other [Assistant Professor, Department of Pulmonary, Critical Care and Sleep Medicine, AIIMS, Delhi] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Anant Mohan  Room no. 5, Porta Cabin, third floor, New Pvt Ward, AIIMS, New Delhi 
Dr Karan Madan  Room no. 7, Porta Cabin, third floor, New Pvt Ward, AIIMS, New Delhi 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Saurabh Mittal  All India Institute of Medical Sciences  Room no. 2, Porta Cabin, 3rd floor, NPW, AIIMS, Delhi Delhi
South
DELHI 
01126546357

saurabh_kgmu@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee, All India Institute of Medical Sciences, New Delhi  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: A150||Tuberculosis of lung,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  N-Acetyl Cysteine  Tablets, 600 mg twice daily for six months 
Comparator Agent  None  None 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1. Age 18 years or more.

2. Willing to give written informed consent.

3. Body weight ≥ 30 kg.

4. Pulmonary TB diagnosed with One sputum OR Bronchoalveolar lavage GeneXpert test positive.
5. No detection of Rifampicin resistance by GeneXpert/ LPA/ MGIT C/S.

6. A chest radiograph abnormality consistent with tuberculosis.

7. No prior history of ATT.

8. Willing to undergo HIV serology testing.

9. Agrees to use effective barrier contraception during the period of the study.

10. Residing around the study site (AIIMS, Delhi).

11. Express willingness to attend the treatment center for supervised treatment.

12. Express willingness to adhere to the trial procedures and follow-up schedule.
 
 
ExclusionCriteria 
Details  1. Clinically significant evidence of extrapulmonary TB (miliary TB, abdominal TB, urogenital TB, osteoarthritic TB, TB meningitis).

2. Poor general condition as assessed by the study investigator.

3. Renal dysfunction including (but not limited to) serum creatinine levels above the upper limit of the laboratory reference range (Serum creatinine >1.2 mg/dL or blood urea >43 mg/dL)

4. Has clinical jaundice or hepatic impairment characterized by serum bilirubin level above 1.2 times upper limit of the laboratory reference range, or by alanine aminotransferase (ALT) and/ or aspartate aminotransferase (AST) levels >3 times the upper limit of the laboratory reference range

5. Diabetes mellitus or Psychiatric illness

6. Serology positive for HBSAg Or Hepatitis C virus antibody Or HIV

7. Pregnant or lactating females

8. Has any condition (social or medical) which in the opinion of the investigator would make trial participation unreliable or unsafe

9. Active drug or alcohol use or dependence that, in the opinion of the investigator, would interfere with adherence to study requirements

10. Has a known allergy to any of the drugs proposed to be used in the trial regimen

11. Has evidence of clinically significant metabolic, gastrointestinal, neurological, psychiatric or endocrine diseases, malignancy, or other abnormalities.
 
 
Method of Generating Random Sequence   Stratified block randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
The change in pre-bronchodilator FVC and FEV1 between the two groups at 2 months from baseline  2 months 
 
Secondary Outcome  
Outcome  TimePoints 
The proportion of patients having radiological improvement/stabilisation at two months and six months  2 months and 6 months 
The proportion of patients having sputum/ BAL culture negativity at two weeks  Two weeks 
The change in pre-bronchodilator FVC and FEV1 between the two groups at 6 months  6 months 
To compare the change in biomarkers of oxidative stress & inflammation at 2 month between NAC containing arm and the control arm  2 months 
The proportion of patients having “unfavorable outcome” at 6 months (defined as composite of radiologically active disease, sputum culture positive, death due to tuberculosis and NAC discontinuation)  6 months 
The proportion of patients having IGRA positivity at the end of 6 months  6 months 
The number of adverse events between the NAC containing arm and control arm during 6 months of therapy  6 months 
 
Target Sample Size   Total Sample Size="62"
Sample Size from India="62" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 3 
Date of First Enrollment (India)   01/04/2024 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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  

Introduction: Current treatment strategies in Pulmonary TB are effective in curing the disease but have several problems, including residual lung damage as evidenced by spirometry and radiological changes. There is also a significant risk of relapse of disease due to persisters.

Hypothesis: We hypothesize that using NAC with ATT causes reduction in lung destruction, preservation of lung function, and early sputum sterilization in pulmonary tuberculosis.

Objectives: To assess the change in FVC and FEV1 at two months of therapy. Other objectives include microbiological clearance, radiological improvement, change in biomarkers, and quality of  life.

Methods: Pilot open-label randomized controlled trial of addition of NAC to standard ATT during six months therapy for pulmonary tuberculosis. All patients will be followed up with serial spirometry, chest radiograph, six-minute walk test, and  St. George’s respiratory questionnaire to assess the quality of life.

 
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