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CTRI Number  CTRI/2021/09/036609 [Registered on: 17/09/2021] Trial Registered Prospectively
Last Modified On: 09/03/2022
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Device validation study for detecting likely presnce of Pulmonary Tuberculosis 
Scientific Title of Study
Modification(s)  
Swaasa Artificial Intelligence Platform for detecting likely presence of Pulmonary Tuberculosis 
Secondary IDs if Any  
Secondary ID  Registry 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr P V Sudhakar 
Address  Andhra Medical College, Visakhapatnam

Visakhapatnam
ANDHRA PRADESH
530002
India 
Phone  08912561157  
Fax    
Email  amc_vsp@nic.in  
 
Details Contact Person
Scientific Query
 
Name  Dr Gayatri Devi 
Address  Government Chest Hospital, Andhra Medical college, Visakhapatnam
Andhra Medical College
Visakhapatnam
ANDHRA PRADESH
530002
India 
Phone  8688546233  
Fax    
Email  gayatriyellapu@gmail.com  
 
Details Contact Person
Public Query

Modification(s)  
Name  Narayana Rao Sripada 
Address  FLAT NO 408,DREAM CASTLE NIZAMPET ROAD, KUKATPALLY

Medchal
TELANGANA
500090
India 
Phone  9945399533  
Fax    
Email  svn@salcit.in  
 
Source of Monetary or Material Support  
Cellular and Molecular Platforms  
 
Primary Sponsor  
Name  Cellular and Molecular Platforms  
Address  GKVK Post, Bellary Road, Bengaluru, Karnataka 560 065  
Type of Sponsor  Research institution 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 1  
Contact Person  Name of Site  Site Address  Phone/Fax/Email 
Dr Gayatri Devi  King George Hospital  NTEP Center, KGH, Andhra Medical College, Visakhapatnam
Visakhapatnam
 
8688546233

gayatriyellapu@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committe, King George Hospital, Visakhapatname,   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Respiratory tuberculosis unspecified 
Healthy Human Volunteers  Subjects not having any respiratory symptoms 
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria
Modification(s)  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Male or female patients, 18 years of age and over
Patients who are willing to participate in the study.
Able to read understand and sign the Informed Consent Form
 
 
ExclusionCriteria 
Details  Patients less than 18 years of age
Pregnant females.
Presumptive PTB patients with coexisting other respiratory diseases like COPD, Bronchiectasis, ILDs
Who are not willing to participate in the study
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Validation of the SWAASA AI Platform in detecting likely presence of PTB by comparing with the final clinical diagnosis based on test results of a standard reference test or tests.  5 months 
 
Secondary Outcome  
Outcome  TimePoints 
Evaluate the effectiveness of Swaasa AI platform
in detecting PTB in a primary health care setting 
2 months 
 
Target Sample Size   Total Sample Size="200"
Sample Size from India="200" 
Phase of Trial   N/A 
Date of First Enrollment (India)   22/09/2021 
Date of First Enrollment (Global)  No Date Specified 
Estimated Duration of Trial   Years="0"
Months="7"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   Not applicable yet 
Brief Summary  

Artificial intelligent techniques such as Bayesian networks, artificial neural networks, and hybrid intelligent systems were used in different clinical settings in health care. In 2016, the biggest chunk of investments in AI research were in healthcare applications compared with other sectors. AI in medical field has wider applications like diagnosis of diseases, clinical decision support tools ,drug developments, precision medicine, robotic surgeries and improve gene editing by Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) system. 

In AI Computers learn the art of diagnosing a patient via two broad techniques - flowcharts and database approach. The database approach utilizes the principle of deep learning or pattern recognition (images, data etc) that involves teaching a computer via repetitive algorithms in recognizing with certain groups of symptoms or certain clinical/radiological images look like. 

In the field of respiratory medicine also exploratory research is going on using AI-ML like bronchoscopic Image analysis for early diagnosis of cancers. Convolutional neural networks (CNNs) are specialized ML methods, excelling at imaging analysis, which may support assessment of respiratory disease on chest X-ray or CT scan. 

Literature search also revealed work on audiometric analysis of cough sounds to differentiate pattern/type of respiratory disease. Recently using AI platform called SWAASA, SALICIT company in collaboration with Apollo hospital Hyderabad did clinical validation work on “Cough sound analysis and objective correlation with spirometry and clinical diagnosis” with the main objective of distinguishing cough patterns in different respiratory diseases.

Cough is the most common symptom of several respiratory diseases. Cough may be dry or associated with sputum production. We have certain cough patterns like bovine cough, brassy cough depending on the cough characteristics. Though the mechanism of cough generation is same, the origin and the underlying pathological process give the cough different characteristics. Based on this rationale audiometric analysis of cough may give a clue to the type of or sometimes etiology of the respiratory disease. Now we are trying to develop cough signature for the most common and endemic respiratory disease PTB by audiometric analysis using, SWAASA AI platform.

 

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