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CTRI Number  CTRI/2024/01/061473 [Registered on: 15/01/2024] Trial Registered Prospectively
Last Modified On: 21/12/2023
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Use of doxycycline in tuberculosis (TB) patients 
Scientific Title of Study   Efficacy of doxycycline as an add on therapy in drug sensitive cavitary pulmonary tuberculosis patients- A randomized placebo 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  Maheshwari P 
Designation  Junior Resident 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry 
Address  Department of Pharmacology, Institute block, JIPMER, Puducherry.

Pondicherry
PONDICHERRY
605006
India 
Phone  9952947583  
Fax    
Email  maheshwariesic2k16@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Mirunalini R 
Designation  Associate Professor 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry 
Address  Department of Pharmacology, Institute block, JIPMER, Puducherry.

Pondicherry
PONDICHERRY
605006
India 
Phone  7397164730  
Fax    
Email  acadcon2019@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Mirunalini R 
Designation  Associate Professor 
Affiliation  Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry 
Address  Department of Pharmacology, Institute block, JIPMER, Puducherry.

Pondicherry
PONDICHERRY
605006
India 
Phone  7397164730  
Fax    
Email  acadcon2019@gmail.com  
 
Source of Monetary or Material Support  
Intramural Research Fund Jawaharlal Institute of Postgraduate Medical Education & Research 
 
Primary Sponsor  
Name  Jawaharlal Institute of Postgraduate Medical Education & Research 
Address  JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry, 605006 
Type of Sponsor  Research institution and hospital 
 
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 
Maheshwari P  Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry  JIPMER Campus Road, Gorimedu, Dhanvantari Nagar, Puducherry, 605006
Pondicherry
PONDICHERRY 
9952947583

maheshwariesic2k16@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE INTERVENTIONAL STUDIES  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  Capsule Doxycycline  Capsule Doxycycline 100mg twice a day for 4 weeks 
Comparator Agent  Placebo  Placebo 100mg twice a day for 4 weeks 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Females (who have completed their family or undergone sterilization)and males- who were newly diagnosed clinically and microbiologically confirmed drug sensitive pulmonary tuberculosis patients who have been receiving anti-tubercular
therapy for ≤ 7days or about to start standard
ATT with chest X-Ray demonstrating pulmonary
cavity/cavities 
 
ExclusionCriteria 
Details  Patients with extra pulmonary tuberculosis, previous history of pulmonary TB, HIV coinfections, severe preexisting lung diseases
(such as fibrosis, COPD, lung cancer, bronchiectasis) and autoimmune diseases
Patients with ALT/ AST >3 times upper limit of
normal
Patients with Creatinine > 2 times upper limit of
normal
Patient on antiepileptic therapy
Known hypersensitivity to tetracyclines
Patients who have taken tetracycline in the past
30 days preceding the dosing of study drug
Patient who participated in other clinical trials in past 180 days 
 
Method of Generating Random Sequence   Permuted block randomization, variable 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Matrix metalloproteinase 1  Baseline, 1month 
 
Secondary Outcome  
Outcome  TimePoints 
Cumulative lung cavity volume, wall thickness, lobe involvement, CT severity score using Low dose Chest CT  Baseline, 6months 
Matrix Metalloproteinases 3,8  Baseline, 1month 
Pulmonary function test   6 months 
Sputum microscopy/ culture  Baseline, end of intensive therapy, end of tuberculosis therapy 
Quality of life using St George Respiratory Questionnaire  Baseline, 6months 
 
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)   01/02/2024 
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="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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  

Following approval from PGRMC, State operational research committee and Institutional Ethics Committee, trial is registered in CTRI following which enrolment of the patient will begin based on the eligibility criteria after obtaining written informed consent. Patient will then be assessed for the baseline parameters like age, BMI, comorbidities, socioeconomic status, occupation, nutritional history, sputum microscopy/ culture, will be assessed and baseline blood parameters like low dose chest CT, CBC, RFT, LFT, RBS, MMP-1,3,8 will be measured and St George respiratory questionnaire will be administered. Patient will be randomly allocated to take capsule doxycycline 100mg or placebo twice daily for 4weeks. Adherence and adverse effects will be enquired over phone and adherence also ensured by pill count method. At the end of 4weeks blood sample will be collected for CBC, RFT, LFT, RBS, MMP-1,3,8. At the end of TB therapy (6months) patient will be repeated with low dose chest CT, St George respiratory questionnaire and spirometry will also be done. Sputum microscopy/ culture will be done at the end of intensive therapy and at the end of TB therapy. If patient develops any adverse events will be monitored and treated accordingly. Both per- protocol and intention to treat analysis will be performed.

 
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