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CTRI Number  CTRI/2025/07/091845 [Registered on: 28/07/2025] Trial Registered Prospectively
Last Modified On: 25/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Other 
Public Title of Study   Study of incidence, resistance patterns, efficacy of ceftazidime-avibactam and aztreonam in critically ill patients with carbapenem resistant enterobacterales (CRE) infection in a tertiary care setup- A prospective observational study 
Scientific Title of Study   Study of incidence, resistance patterns, efficacy of ceftazidime-avibactam and aztreonam in critically ill patients with carbapenem resistant enterobacterales (CRE) infection in a tertiary care setup- A prospective observational 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  priyanka sagar 
Designation  DrNB critical care medicine resident 
Affiliation  BLK MAX SUPERSPECIALITY HOSPITAL 
Address  B-6/83,84 sector-8 rohini delhi-85

Central
DELHI
110085
India 
Phone  9971498506  
Fax    
Email  96priyankasagar@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  priyanka sagar 
Designation  DrNB critical care medicine resident 
Affiliation  BLK MAX SUPERSPECIALITY HOSPITAL 
Address  B-6/83,84 sector-8 rohini delhi-85

Central
DELHI
110085
India 
Phone  9971498506  
Fax    
Email  96priyankasagar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  priyanka sagar 
Designation  DrNB critical care medicine resident 
Affiliation  BLK MAX SUPERSPECIALITY HOSPITAL 
Address  B-6/83,84 sector-8 rohini delhi-85

Central
DELHI
110085
India 
Phone  9971498506  
Fax    
Email  96priyankasagar@gmail.com  
 
Source of Monetary or Material Support  
BLK MAX SUPERSPECIALITY HOSPITAL 
 
Primary Sponsor  
Name  BLK MAX SUPERSPECIALITY OSPITAL 
Address  PUSA ROAD, NEW DELHI-110005 
Type of Sponsor  Private hospital/clinic 
 
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 
PRIYANKA SAGAR  BLK MAX SUPERSPECIALITY HOSPITAL  PUSA ROAD, NEW DELHI-110005
Central
DELHI 
9971498506

96priyankasagar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
BLK MAX SUPERSPECIALITY HOSPITAL  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: B961||Klebsiella pneumoniae [K. pneumoniae] as the cause of diseases classified elsewhere,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  ?18 years 
 
ExclusionCriteria 
Details  PREGNANT PATIENTS
PATIENT UNLIKELY TO SURVIVE BEYOND 48 HOUR
CANCER DIAGNOSIS
IMMUNOSUPPRESSIVE/ANTI CANCER THERAPY 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
TO FIND THE INCIDENCE OF CRE INFECTION AND 28 DAY MORTALITY IN ADULT PATIENTS ADMITTED IN MICU  TO FIND THE INCIDENCE OF CRE INFECTION AND 28 DAY MORTALITY IN ADULT PATIENTS ADMITTED IN MICU 
 
Secondary Outcome  
Outcome  TimePoints 
TO STUDY THE TIME TO MICROBIOLOGICAL AND CLINICAL CURE IN ADULT PATIENTS WITH CRE IN ICU   
TO STUDY THE RISK FACTORS, ANTIBIOTIC SUSCEPTIBILITY AND RESISTANCE PATTERN (MIC VALUE AND BREAK POINTS) IN ADULT PATIENTS WITH CRE IN ICU   
TO STUDY THE FOLLOWING
synergy between CAZ-AVI+ATM
number of ventilator days
days on renal replacement therapy
ICU length of stays 
 
 
Target Sample Size   Total Sample Size="84"
Sample Size from India="84" 
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)   08/08/2025 
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="0"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
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   study of incidence, resistance patters, efficacy of ceftazidime-avibactam and aztreonam in critically ill patients with carbap[enem resistant enterobacterales infection in tertiary care setup-a prospective observational study 
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