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CTRI Number  CTRI/2025/09/094018 [Registered on: 01/09/2025] Trial Registered Prospectively
Last Modified On: 30/08/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Efficacy and Safety of Metformin (1000 mg/d) in addition to Standard of Care (SOC) in Management of Rheumatoid Arthritis: 
Scientific Title of Study   Efficacy and Safety of Metformin (1000 mg/d) as Adjuvant to Standard of Care (SOC) in Management of Rheumatoid Arthritis: A Prospective, Randomized, Comparative Study (Version 1.0, dt. 01/07/2025) 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
DYP/IECBH/2025/188   Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DR Sachin Kale 
Designation  Professor 
Affiliation  DY Patil deemed to be University School of Medicine, Navi Mumbai 
Address  Orthopaedics department 3rd floor, OPD no. 22 DY Patil hospital , Navi Mumbai 400706

Thane
MAHARASHTRA
400706
India 
Phone  9821431687  
Fax    
Email  sachin.kale@dypatil.edu  
 
Details of Contact Person
Scientific Query
 
Name  Dr Adwait Malik 
Designation  Junior Resident 1 
Affiliation  DY Patil deemed to be University School of Medicine, Navi Mumbai 
Address  Dept. of Pharmacology, 5th floor, Plot No. 2, Sector-5, Nerul, Navi Mumbai - 400 706

Thane
MAHARASHTRA
400706
India 
Phone  9082895271  
Fax    
Email  adwait.malik.01@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Adwait Malik 
Designation  Junior Resident 1 
Affiliation  DY Patil deemed to be University School of Medicine, Navi Mumbai 
Address  Dept. of Pharmacology, 5th floor, Plot No. 2, Sector-5, Nerul, Navi Mumbai - 400 706

Thane
MAHARASHTRA
400706
India 
Phone  9082895271  
Fax    
Email  adwait.malik.01@gmail.com  
 
Source of Monetary or Material Support  
D.Y. PATIL HOSPITAL,Plot-2, Sector-5, Nerul, Navi Mumbai,400706, INDIA 
 
Primary Sponsor  
Name  D. Y. Patil Deemed to be University School of Medicine, Navi-Mumbai  
Address  Dept. of Pharmacology, 5th floor, Plot No. 2, Sector-5, Nerul, Navi Mumbai - 400 706  
Type of Sponsor  Private medical college 
 
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 Sachin Kale  D.Y. Patil Hospital, Nerul, Navi Mumbai.  Orthopaedics department 3 rd floor , OPD no. 22 D.Y. Patil Hospital, Nerul, Navi Mumbai.
Thane
MAHARASHTRA 
9821431687

sachin.kale@dypatil.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
The Institutional Ethics Committee for Biomedical and Health Research (IECBH) of Dr D Y Patil Medical College & Hospital, Navi Mumbai  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M059||Rheumatoid arthritis with rheumatoid factor, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  PLacebo  Placebo tablet (Calcium 500mg) 
Intervention  Tab. Metformin 500 mg  TAblet MEtformin 500 mg BD orally 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  1. Patients older than 18 years (of both sexes) diagnosed with rheumatoid arthritis according to ACR or EULAR 2010 criteria.
2. Patients received the standard therapy (i.e., one or more conventional DMARDs) for at least three months
3. Diagnosed cases of Rheumatoid arthritis (Rheumatoid Arthritis factor positive).
4. Onset of symptom duration greater than or equal to 6 months at the time of screening
5. Greater than or equal to 5 score on 10-point visual analogue scale (VAS) for pain at baseline.
6. Willing to give consent for participating in the study.
 
 
ExclusionCriteria 
Details  1. Patients having severe disabling arthritis in the targeted or contralateral joint.
2. Patients with radiologically abnormal knee alignment.
3. Patients with a history of Chikungunya, Dengue, or other viral infections in the past six months.
4. Participants with a history or presence of Type 1 and Type 2 diabetes.
5. Those who are on treatment with immunosuppressive drugs and biologicals
6. Participants who are taking any other oral hypoglycaemic drugs.
7. Participants who are taking metformin for any other indication.
8.Participants who are prone to gastrointestinal symptoms like nausea, vomiting, diarrhoea, flatulence, and Vitamin B12 deficiency.
9. Pregnant and lactating women.
10. Any condition which, in the opinion of the investigator, will place the subject at risk or will influence the conduct of the study or interpretation of results.
11. Diagnosed cases of Gouty arthritis (Serum Uric acid greater than UNL).
12. Patient requiring any systemic analgesic for other conditions that can affect the outcome of the study drug.
13. Patient on systemic corticosteroid therapy.
14. Known case of history of allergy with NSAIDs or test drug.
15. Patients with a BMI greater than or equal to 40 kg/m2
16. Participants who have enrolled in any other trial in the past 6 months
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
1.Change from baseline in Disease Activity Score-28 (DAS-28) for severity of RA at weeks 1, week 2, week 3 and week 4   1.Change from baseline in Disease Activity Score-28 (DAS-28) for severity of RA at weeks 1, week 2, week 3 and week 4  
 
Secondary Outcome  
Outcome  TimePoints 
1. Change from baseline in PGHA domain score for pain of affected joint at weeks 1, 2, week 3 and week 4
2. Change from baseline in the Fatigue Severity Scale (FSS) for pain at weeks 1, week 2, week 3 and week 4
3. Change from baseline in Clinical Disease Activity Index (CDAI) scores assessed at weeks 1, week 2, week 3 and week 4
4. Change from baseline in Simplified Disease Activity Index (SDAI) scores assessed at weeks 1, week 2, week 3 and week 4
5. Change from baseline in Health Assessment Questionnaire Disability Index (HAQ-DI) scores assessed at weeks 1, week 2, week 3 and week 4
6. Need for rescue analgesics at weeks 1, week 2, week 3 and week 4
7. Incidence of clinical adverse events (AEs), treatment emergent adverse events (TEAEs), and serious adverse events (SAEs)
 
4 weeks 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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   Post Marketing Surveillance 
Date of First Enrollment (India)   11/09/2025 
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)   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  


The primary objective of this clinical trial is to assess the efficacy of metformin in the management of Rheumatoid Arthritis (RA). The study is designed to evaluate whether metformin leads to measurable improvement in clinical symptoms and disease activity among RA patients.

The secondary objective is to evaluate the safety and tolerability of metformin in this population. This includes systematic monitoring of adverse events, treatment-emergent side effects, and patient adherence throughout the study duration.

Study hypothesis:

H0:             There is no significant difference in the change in DAS-28 (CRP) scores between the study treatment (Metformin) and the reference (No metformin) treatment.

H1:             The change (improvement) in DAS-28 (CRP) scores is greater with the study treatment (Metformin) and reference (No metformin) treatment.


 
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