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CTRI Number  CTRI/2025/07/091085 [Registered on: 17/07/2025] Trial Registered Prospectively
Last Modified On: 17/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Probiotic 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A Study on a Healthy Food Supplement Containing Good Bacteria to Improve Gut Health and Control Blood Sugar in People with Type 2 Diabetes 
Scientific Title of Study   Development and Evaluation of a Probiotic-Enriched Prebiotic Supplement on Gut Microbiota in Individuals with Type 2 Diabetes Mellitus 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Nithiya SL 
Designation  PhD Scholar 
Affiliation  Sri Ramachandra Institute of Higher Education and Research 
Address  Vidya Sudha Block (3rd floor), Department of Clinical Nutrition, Room No. 03, Sri Ramachandra Institute of Higher Education and Research, No.1, Sri Ramachandra Nagar, Chennai, Tamil Nadu 600116

Chennai
TAMIL NADU
600116
India 
Phone  6383226862  
Fax    
Email  u022401113@sriramachandra.edu.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr N Preetha 
Designation  Associate Professor 
Affiliation  Sri Ramachandra Institute of Higher Education and Research 
Address  Vidya Sudha block (3rd floor), Department of Clinical Nutrition, Room No. 03, Sri Ramachandra Institute of Higher Education and Research No.1, Sri Ramachandra Nagar, Chennai, Tamil Nadu 600116

Chennai
TAMIL NADU
600116
India 
Phone  9840980947  
Fax    
Email  preetha.n@sriramachandra.edu.in  
 
Details of Contact Person
Public Query
 
Name  Dr N Preetha 
Designation  Associate Professor 
Affiliation  Sri Ramachandra Institute of Higher Education and Research 
Address  Vidya Sudha block (3rd floor), Department of Clinical Nutrition, Room No. 03, Sri Ramachandra Institute of Higher Education and Research No.1, Sri Ramachandra Nagar, Chennai, Tamil Nadu 600116

Chennai
TAMIL NADU
600116
India 
Phone  9840980947  
Fax    
Email  preetha.n@sriramachandra.edu.in  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  Sri Ramachandra Institute of Higher Education and Research NPV Ramaswamy Udayar Fellowship 
Address  Sri Ramachandra Institute of Higher Education and Research (Deemed to be University) No.1 Ramachandra Nagar Porur Chennai 600 116 Tamil Nadu India 
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 
Dr N Preetha  Sri Ramachandra Medical Centre  Sri Ramachandra Institute of Higher Education and Research, No.1, Sri Ramachandra Nagar, Chennai, Tamil Nadu 600116
Chennai
TAMIL NADU 
9840980947

preetha.n@sriramachandra.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sri Ramachandra University, Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: E119||Type 2 diabetes mellitus without complications,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Control group  Diet counselling and diet chart will be provided 
Intervention  Probiotic enriched Prebiotic supplement  Duration of the supplement: 15 weeks. Developed product needed to be consumed by study participants for the entire study duration of 15 weeks will be delivered once in a week by carefully labelling with instructions. The adherence to the supplement will be monitored through phone calls and during their visit to the diabetic OPD.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  Subjects will be included based on the following criteria: The study participants include people above 18 years with uncontrolled Type 2 diabetes has HbA1c (10-14%), and CBG (250-400mg/dl). Willing to participate in the study, who are getting treatment at Sri Ramachandra Medical Centre and SRH.
 
 
ExclusionCriteria 
Details  To exclude gestational and other diabetes types (maturity-onset diabetes of the young (MODY), type 1 diabetes, and Latent Autoimmune Diabetes in Adults (LADA). To exclude subjects with any chronic illness and immunocompromised state (Chronic Kidney Disease, Chronic Liver Disease, oncological condition, and AIDS). People who are allergic to the prescribed product. On antibiotic supplements and steroid treatment. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
OUTCOME PARAMETERS:
HbA1c, CBG, FBS, PPBS- Baseline, midline, and endline supplementation.
HOMA IR- Baseline, midline, and endline supplementation.
C-REACTIVE PROTEIN- Baseline, midline, and endline supplementation. 
Baseline (0 week): HbA1c, CBG, FBS, PPBS, HOMA IR, C-REACTIVE PROTEIN
Midline (8th week): CBG, FBS, PPBS, HOMA IR, C-REACTIVE PROTEIN
Endline (15th week): CBG, FBS, PPBS, HOMA IR, C-REACTIVE PROTEIN  
 
Secondary Outcome  
Outcome  TimePoints 
Fecal DNA extraction:
The gut microbiota is commonly measured through the fecal DNA extraction method. The fecal DNA extraction method will be measured to the randomly selected group after supplementation.
Fecal sample collection
After 15 weeks of supplementation, the fecal samples of randomly selected 5 individuals from each experimental & control group will be collected for DNA extraction experiments.
The fecal samples will be collected within 3-4 hours in sterile containers, will be promptly transported to the laboratory, & stored at a suitable temperature until DNA extraction for further analysis.
 
Endline 15th week 
 
Target Sample Size   Total Sample Size="52"
Sample Size from India="52" 
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 2 
Date of First Enrollment (India)   08/10/2025 
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="0"
Months="3"
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  
This randomized controlled clinical trial aims to assess the influence of a probiotic-enriched prebiotic supplement on gut microbiota and glycemic parameters in individuals with uncontrolled Type 2 Diabetes Mellitus. The supplement will be developed using millet and pulses as prebiotic sources, and Lactobacillus acidophilus and Bacillus coagulans as probiotic strains. A total of 52 participants aged above 18 years with HbA1c levels between 10–14% and capillary blood glucose (CBG) levels of 250–400 mg/dl will be randomly assigned to an experimental or control group. The experimental group will receive the developed supplement along with standard dietary management for 15 weeks, while the control group will receive only dietary management.
Outcomes will include changes in gut microbiota (via fecal DNA extraction and 16S rRNA sequencing) and glycemic indicators such as HbA1c, CBG, FBS, PPBS, HOMA-IR, and CRP at baseline, midline, and endline. The study also includes product formulation, sensory evaluation, nutrient, microbial, and shelf-life analysis. Ethical clearance has been obtained, and informed consent will be taken from all participants.
Study duration: 3 years
Funding: Shri. N.P.V Udayar Research Fellowship
Location: Sri Ramachandra Medical Centre and SRH, SRIHER (DU), Chennai

 
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