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CTRI Number  CTRI/2025/02/079943 [Registered on: 04/02/2025] Trial Registered Prospectively
Last Modified On: 02/02/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Diagnostic 
Study Design  Single Arm Study 
Public Title of Study   A study to determine the Safety and Efficacy of Endobronchial Ultrasound-Guided Mediastinal Cryobiopsy. 
Scientific Title of Study   Safety and Efficacy of Endobronchial Ultrasound-Guided Mediastinal Cryobiopsy in the diagnosis of Mediastinal lesions :A Prospective Study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Kuruva Sai Anudeep 
Designation  Senior Resident 
Affiliation  Aiims Jodhpur 
Address  Room no 36,Dept of Pulmonary Medicine,opd block,Ground floor,Aiims Hospital ,Basni,Jodhpur

Jodhpur
RAJASTHAN
342005
India 
Phone  9182307694  
Fax    
Email  ksaianudeep95@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Nishant Kumar Chauhan 
Designation  Professor 
Affiliation  Aiims Jodhpur 
Address  ROOM NO 34,Dept of Pulmonary Medicine,Opd block,zround floor,Aiims Hospital,Basni,Jodhpur

Jodhpur
RAJASTHAN
342005
India 
Phone  8003996884  
Fax    
Email  nishant97@gmail.com  
 
Details of Contact Person
Public Query
 
Name  NISHANT KUMAR CHAUHAN 
Designation  PROFESSOR 
Affiliation  Aiims Jodhpur 
Address  ROOM NO 39,Dept of Pulmonary Medicine,Opd block,Groud floor,Aiims Hospital,Basni,Jodhpur

Jodhpur
RAJASTHAN
342005
India 
Phone  8003996884  
Fax    
Email  nishant97@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical scines,Basni,Jodhpur,Rajasthan,342005 
 
Primary Sponsor  
Name  AIIMS Jodhpur 
Address  Room no 38,Department of Pulmonary Medicine,OPD Block,Ground Floor,Aiims Hospital,Basni,Jodhpur,Rajasthan,342005 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
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 Kuruva Sai Anudeep  AIIMS JODHPUR  Room no 36,Ground floor,Opd block,Aiims Hospital,Basni,Jodhpur,Rajaasthan,342005
Jodhpur
RAJASTHAN 
9182307694

ksaianudeep95@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITEE,AIIMS JODHPUR  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: R938||Abnormal findings on diagnostic imaging of other specified body structures,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Endobronchial Ultrasound-Guided Mediastinal Cryobiopsy(EBUS-MCB)  All patients with undiagnosed mediastinal lesions will undergo EBUS TBNA and EBUS-MCB in the sample lymph node in the same setting  
Comparator Agent  Endobronchial Ultrasound-Guided Needle Aspiration cytology(EBUS-TBNA)  EBUS TBNA is the gold standard for diagnosis of mediastinal lesions. All patients with undiagnosed mediastinal lesions will undergo EBUS TBNA and EBUS-MCB in the sample lymph node in the same setting. Comparision is done between pathological diagnosis of EBUS-TBNA and EBUS-MCB. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  1.Age Greater than 18 years
2.Patients with undiagnosed mediastinal lesions greater than 1 cm requiring pathology examination for diagnosis 
 
ExclusionCriteria 
Details  1.Age less than 18 years
2.Highly Vascular,necrotic lymph nodes and unhealthy mucosa at the site of biopsy
3.uncorrectable severe coagulation abnormalities
4.Refractory hypoxemia(sp02 less than 90% with fio2 more than 60)
5.Unstable cardiac arrhythmias,Severe Pulmonary Hypertension(RVSP greater than 50mmHg)
6.Recent MI (less than 4 weeks) or ongoing unstable angina
7.Benign/malignant stenosis of upper airway 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Safety and efficacy of Endobronchial Ultrasound-Guided Cryobiopsy in the Mediastinal lesions.Safety is determined by complications and efficacy is determined by positive biopsy results  Safety at time of study(baseline) and till 2 weeks
Efficacy at the time of study (baseline)


 
 
Secondary Outcome  
Outcome  TimePoints 
Yield of Endobronchial Ultrasound-Guided Mediastinal Cryobiopsy vs Endobronchial Ultrasound-guided Fine needle Aspiration
 
Yield is determined by percentage of patients with positive biopsy results (After the study period)
 
 
Target Sample Size   Total Sample Size="34"
Sample Size from India="34" 
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   N/A 
Date of First Enrollment (India)   15/02/2025 
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 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  

After CTRI Approval our study will enroll  patients presenting to Pulmonary Medicine Department with undiagnosed mediastinal lymphadenopathy who requires definite diagnosis with pathological examination based on inclusion and exclusion criteria

Aim

To determine the safety and efficacy of  the Endobronchial ultrasound-Guided  Mediastinal cryobiopsy (EBUS-MCB) in mediastinal lesions (>1cm) 

 

 Primary Objective 

1. To determine procedural safety of EBUS-MCB by rate of procedure-related  complications like  pneumothorax, bleeding, mediastinitis and pneumomediastinum

2. Efficacy will be determined by percentage of patients for whom mediastinal biopsy provides a definite diagnosis

Secondary Objective

   To compare the  diagnostic yield of EBUS-TBNA and EBUS-MCB in  mediastinal lesions(>1cm)

Summary 

.The procedure will be  carried out under  general Anaesthesia using the laryngeal mask airway/I gel/ET Tube .After  this airways will be visualised and Endobronchial Ultrasound-guided Transbronchial Aspiration will be done. After this through the same track created, Cryobiopsy  probe will be introduced and Endobronchial Ultrasound guided Mediastinal Cryobiopsy(EBUS-MCB) will be done .At least 3 cryobiopsy specimens will be obtained. Complications if any will be noted during the procedure .A post procedure chest radiograph will be obtained in all cases.All the samples collected will be sent for pathological examination. Patients will be followed up after 24 hrs and till 2 weeks(on call) to see if any delayed complications.Pathogical report will be collected and diagnosis will be done based on the report.

 
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