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CTRI Number  CTRI/2025/10/095840 [Registered on: 09/10/2025] Trial Registered Prospectively
Last Modified On: 09/10/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Process of Care Changes
Behavioral 
Study Design  Cluster Randomized Trial 
Public Title of Study   Development of Antimicrobial Stewardship program in rural hospitals 
Scientific Title of Study   Development of Customized Antimicrobial Stewardship Program for Rural Hospitals using Hub and Spoke model in districts of West Bengal -a health system implementation research. 
Trial Acronym  Hub & Spoke 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Debjit Chakraborty 
Designation  Scientist E 
Affiliation  ICMR - National Institute for Research in Bacterial Infections 
Address  Division of Epidemiology, ICMR- NIRBI, NIRBI -II Building, Room No -106 P-33, CIT Road, Scheme XM, Beliaghata, Kolkata -700010

Kolkata
WEST BENGAL
700010
India 
Phone  08296875975  
Fax    
Email  drdebjitepi@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Debjit Chakraborty 
Designation  Scientist E 
Affiliation  ICMR - National Institute for Research in Bacterial Infections 
Address  Division of Epidemiology, ICMR- NIRBI, NIRBI -II building, Room No -106 P-33, CIT Road, Scheme XM, Beliaghata, Kolkata -700010

Kolkata
WEST BENGAL
700010
India 
Phone  08296875975  
Fax    
Email  drdebjitepi@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Debjit Chakraborty 
Designation  Scientist E 
Affiliation  ICMR - National Institute for Research in Bacterial Infections 
Address  Division of Epidemiology, ICMR- NIRBI, NIRBI- II Building, Room No. 106 P-33, CIT Road, Scheme XM, Beliaghata, Kolkata -700010

Kolkata
WEST BENGAL
700010
India 
Phone  08296875975  
Fax    
Email  drdebjitepi@gmail.com  
 
Source of Monetary or Material Support  
Indian Council of Medical Research · V. Ramalingaswami Bhawan, P.O. Box No. 4911 · Ansari Nagar, New Delhi - 110029 
 
Primary Sponsor  
Name  Indian Council of Medical Research 
Address  V. Ramalingaswami Bhawan, P.O. Box No. 4911 · Ansari Nagar, New Delhi - 110029, 
Type of Sponsor  Government funding agency 
 
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 
Debjit Chakraborty  ICMR – National Institute for Research in Bacterial Infections  Division of Epidemiology, NIRBI -II Building, Room No 106, P-33, Scheme XM, CIT Road, Beliaghata, Kolkata – 700010
Kolkata
WEST BENGAL 
08296875975

drdebjitepi@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC BMHR, ICMR NIRBI  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: B95-B97||Bacterial and viral infectious agents,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Customized Antimicrobial Stewardship intervention in rural hospitals  Package of Intervention: 1.Formation of a RH level AMSP Committee 2.Periodic training of Physician, Nurses, Pharmacist, LT facilitated by Medical College on Rational Antimicrobial and other AMSP indicators 3.Period assessment of Antibiotic Consumption and culture of samples (urine,stool, blood, throat swab, NP Swab, sputum) for Local Antibiogram of common pathogen. 4.Point of Care test- Urine Dip stick test / Typhi dot (where applicable) 5.Making Guidelines in easy calender or tabloid format 6.Periodic prescription (OPD, IPD) evaluation guidance by AMSP Committee and a Medical College based Consensus Committee The healthcare providers in the intervention rural hospitals will be given the AMSP intervention mentioned. Doctors will be given training on rational antibiotic prescription and prescription audit mechanism. Nurses will be trained on antibiotic time out, sample sending and infection control practices. Lab Technicians will be trained on sample collection, POCT test and sending samples for cultures in proper condition. Pharmacist will be involved in maintaining antibiotic consumption. 
Comparator Agent  Standard care  Standard care at rural hospital. Data (Prescription) will be collected from control arm rural hospitals for assessing standard practices in antibiotic uses and infection control for common infections by doctors  
 
Inclusion Criteria  
Age From  1.00 Day(s)
Age To  90.00 Year(s)
Gender  Both 
Details  Diseases as follows: Acute Undifferentiated Febrile illness, Urinary Tract Infection, Acute Respiratory Infections, Acute Diarrhoeal Disaeses 
 
ExclusionCriteria 
Details  Unable or Unwilling to provide consent 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Indicators:
. 1.Antibiotic prescribing rate (APR) - number of prescriptions that included at least one antibiotic/total number of prescriptions × 100
2. Multiple antibiotics prescribing rate (MPR ) - number of prescriptions that included at least two antibiotics /total number of prescriptions that included at least one antibiotic × 100.
3.Parenteral antibiotics prescribing rate (PAPR) - number of prescriptions that included at one injectable antibiotic /total number of prescriptions that included at least one antibiotic × 100.
(European Surveillance of Antibiotic Consumption)

4.Antibiotic prescribed as per WHO AWaRe classification - Access to Watch Ratio

 
Pre and Post intervention 
 
Secondary Outcome  
Outcome  TimePoints 
The difference in DDD per 1000 inpatient days (ATC-DDD)  Pre and Post intervention 
 
Target Sample Size   Total Sample Size="3132"
Sample Size from India="3132" 
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)   03/11/2025 
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="3"
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  

Rationale:

Primary care health facilities do not have microbiological diagnostic services and neither any antimicrobial stewardship programs (AMSP) yet a huge proportion of rural population takes empirical antibiotic from these settings.

Novelty: Novelty lies in its approach to establish customized AMSP in Rural Hospitals by linking it to  District Medical Colleges through Hub and Spoke Model.

 

Objectives:

Primary objectives:

1. To generate the baseline data in terms of key AMSP indicators in selected rural hospitals (RH) of two districts of West Bengal

2. To develop and implement customized AMSP intervention in selected RH through the Hub and Spoke Model

3. To evaluate the effectiveness of customized AMSP intervention in RH against control Arm (existing system in RH)

 

Secondary objective:

1 To identify barriers & facilitators of customized AMSP intervention through Hub and Spoke Model.

Methods: In this Health System Implementation Research through two arm cluster randomized intervention, 6 Rural Hospitals will be selected from 2 districts each (Total 12 RH). 3 RH in each districts will be termed as intervention arm and linked to Medical Colleges and remaining will be control arm.(Standard Practice). Package of AMSP Intervention will include formulation of committee, periodic training of Physician, Nurses, culture and antibiogram, use of point of care test etc. Prescriptions will be evaluated pre and post intervention (1 year) for its effectiveness in terms rational antibiotic prescription indicators.

 Expected outcome:

1. Determining the effectiveness of customized AMSP interventions through Hub and Spoke model for rationalizing antibiotic usage in primary care settings.

 
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