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CTRI Number  CTRI/2025/06/089084 [Registered on: 18/06/2025] Trial Registered Prospectively
Last Modified On: 08/08/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A study to evaluate safety & efficacy of 3-Drug Combination (Paracetamol,Chlorzoxazone, and Diclofenac Sodium) in comparison with 2 Drug Combination (Paracetamol and Diclofenac Sodium) in treating adult patients with acute musculoskeletal pain because of spasm. 
Scientific Title of Study   A Randomized, Multicenter, Comparative, Open label, Phase-IV study to evaluate the safety & efficacy of the 3-Drug-Fixed Dose Combination (FDC) tablet of Paracetamol 325 mg, Chlorzoxazone 250 mg, and Diclofenac Sodium 50 mg in comparison with 2-Drug-FDC tablet of Paracetamol 325 mg and Diclofenac Sodium 50 mg administered TID in adult patients with acute musculoskeletal pain associated with spasm. 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
BSPL/2023/003 2.1 dated 13-Dec-2024   Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Pankaj Agarwal 
Designation  Senior Consultant Orthopaedic Surgeon 
Affiliation  Prime Care Hospital 
Address  Department of Orthopaedics, B 403/404, Rudra Arcade, Near Helmet Cross Road, Ahmedabad-380052, Gujarat, India

Ahmadabad
GUJARAT
380052
India 
Phone  8140520005  
Fax    
Email  dragrawalpankaj@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Bharat B Doshi 
Designation  Chief Executive Officer 
Affiliation  BioDev Services Private Limited  
Address  A 804 Privilon Off SG Road ISKCON Ambli Road Ahmedabad GUJARAT 380059 India

Ahmadabad
GUJARAT
380059
India 
Phone  9586244544  
Fax    
Email  bharat.doshi@biodevservices.com   
 
Details of Contact Person
Public Query
 
Name  Bharat B Doshi 
Designation  Chief Executive Officer 
Affiliation  BioDev Services Private Limited  
Address  A 804 Privilon Off SG Road ISKCON Ambli Road Ahmedabad GUJARAT 380059 India


GUJARAT
380059
India 
Phone  9586244544  
Fax    
Email  bharat.doshi@biodevservices.com   
 
Source of Monetary or Material Support  
Unison Pharmaceuticals Pvt. Ltd.  Near Prernatirth Derasar Near Ratnadeep II Satellite Jodhpur Ahmedabad 380 015 Gujarat India 
 
Primary Sponsor  
Name  Unison Pharmaceuticals Pvt. Ltd. 
Address  “Unison House” Near Prernatirth Derasar Near Ratnadeep II Satellite Jodhpur Ahmedabad 380 015 Gujarat India 
Type of Sponsor  Pharmaceutical industry-Indian 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 4  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Chandan Kumar  Ganesh Shankar Vidyarthi Memorial Medical College  Department of Orthopaedics Ganesh Shankar Vidyarthi Memorial Medical College Department of Orthopedic Swaroop Nagar Kanpur 208002
Kanpur Nagar
UTTAR PRADESH 
9335313138

Ck131980@gmail.com  
Dr Paramesha KC  KR Hospital  KR Hospital. Mysore Medical College and Investigator Research Institute, Irwin Road, Mysuru-570001
Mysore
KARNATAKA 
9343055819

parameshkennal@gmail.com 
Dr Pankaj Agarwal  Primecare Hospital   Department of Orthopaedics B-403/404 Rudra Arcade Near Helmet Cross Road Ahmedabad 380052 Gujarat India
Ahmadabad
GUJARAT 
8140520005

dragrawalpankaj@gmail.com 
DrKshitij Shah  Proactive orthopedic clinic   Department of Orthopaedics Ground floor Juhu Sagar Juhu Versova Link Rd Kapaswadi Andheri West Mumbai Maharashtra 400053
Mumbai
MAHARASHTRA 
9833040048

drkshitij22@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 4  
Name of Committee  Approval Status 
Ethics Committee, GSVM Medical College  Approved 
Indira IVF Hospital Ethics Committee  Approved 
Institutional Ethics Committee  Approved 
Medilink Ethics Committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M628||Other specified disorders of muscle,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  DAN MR  DAN MR is the fixed dose combination of Paracetamol,Chlorzoxazone and Diclofenac sodium. Combination of these drugs provide anti- inflammatory as well as analgesic effect and will help to eliminate the larger dose of the analgesics and yet attain the results. To reduce the pill burden on the patient and increase the patient compliance, the drugs could be given in a fixed dose combination. Hence the study focuses on the safety evaluation of the 3 Drug-FDC in the patients experiencing pain. 
Comparator Agent  DAN P  DAN P, 2-Drug fixed dose combination of Paracetamol 325 mg + Diclofenac sodium 50 mg (Oral Tablet, TID) is approved for the treatment of acute pain. The drug has to be taken as prescribed by the physician till pain subsides. In current study, drug will be taken till day 8 or resolution of symptoms whichever occurs first. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  01. Patients who have given their written consent to participate voluntarily and agrees to adhere to the protocol for completion of study.
02.Male and Female between the age of 18 to 60.
03.Patient is able to take oral medication and is willing to comply with the treatment schedule as well as all study procedures.
04.Patient’s willingness to comply with all study procedures and availability for the duration of the study.
05.Female participants must be non-lactating, not pregnant, and utilizing a reliable method of contraception, such as abstinence, an intrauterine device (IUD), or a male partner who agrees to use condoms.
06.Male participants must agree to use a reliable method of contraception, such as abstinence, condoms, or having a partner who utilizes an intrauterine device (IUD).
07.Patients diagnosed (by the treating physician/PI) to have Acute Painful musculospastic condition such as prolapsed intervertebral disc, sprains and dislocations, spondylosis (lumbar, cervical, ankylosing spondylosis), spinal stenosis, periarthritis, frozen shoulder, prepatellar bursitis, spondylolisthesis, low-backpain, tendonitis, tenosynovitis, bursitis, and as self-rated 7-10 on the Numerical pain scale.08.Patients must agree to abstain from consuming Alcohol, any other substance of abuse during their participation in the trial.

 
 
ExclusionCriteria 
Details  01. Active participation in any other clinical trial.
02. Known allergy to the study drugs used in the trial. (Diclofenac, Paracetamol, Chlorzoxazone).
03. Patients with any other clinically significant uncontrolled systemic diseases such as gastrointestinal, respiratory, cardiovascular, renal, neurological, psychiatric, endocrine, immunological or hematological disorders or malignancy as judged by the investigator.
04.Patients taking any other medicine that might interact with one of the study medications.
05.History of auto-immune disease.
06.Active peptic ulcer disease.
07. Pregnant females, lactating women or women of childbearing age who are not using an acceptable method of birth control.
08. Patients with a history of epilepsy, or those at-risk seizures or taking antiepileptic drugs.
09. Patient with known G6PD deficiency.
10.Patients with pre-existing gallbladder disease.
11. Patients with galactose or fructose intolerance
12. Patients with active liver disease, including primary biliary cirrhosis and unexplained persistent liver function abnormalities.
13. Alcohol dependence or any other condition that may affect the study, as assessed by the Investigator.
14. Patients with concomitant use of other NSAIDs, antiplatelets, anticoagulants or any other aid for pain.
15. Patients needing any treatment (associated with muscle spasm) other than the study drugs - as diagnosed by the Investigator.
16. Any history/ symptoms/ suspicion of patients having hepatic or renal impairment, as judged by the Principal Investigator.
17. If patient is on any other treatment or additional treatment aid for pain (oral, dermal, drug-plaster, heat-pad or any similar contact therapy, herbal, homeopathic or any other nature) during the study duration.
18. Patients with any severe and/or uncontrolled medical conditions or other conditions that, in the investigator’s opinion may affect the patient’s participation in the study.  
 
Method of Generating Random Sequence   Other 
Method of Concealment   Not Applicable 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
Percentage of patients who shows any incidence of drug associated adverse effect during 8 days of treatment

Percentage of patients where the PI needs to stop the treatment before day 8 due to drug-associated toxicity 
Percentage of patients who shows any incidence of drug associated adverse effect during 8 days of treatment

Percentage of patients where the PI needs to stop the treatment before day 8 due to drug-associated toxicity 
 
Secondary Outcome  
Outcome  TimePoints 
Percentage reduction in pain at day 8

Percentage of the patients where the PI stops the treatment before the day 8, as the pain has subsided & the need for pain management does not exist anymore.  
8 Days 
 
Target Sample Size   Total Sample Size="200"
Sample Size from India="200" 
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 4 
Date of First Enrollment (India)   01/07/2025 
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)  Open to Recruitment 
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   A Randomized, Multicenter, Comparative, Open label, Phase-IV study to evaluate the safety & efficacy of the 3-Drug-Fixed Dose Combination (FDC) tablet of Paracetamol 325 mg, Chlorzoxazone 250 mg, and Diclofenac Sodium 50 mg in comparison with 2-Drug-FDC tablet of Paracetamol 325 mg and Diclofenac Sodium 50 mg administered TID in adult patients with acute musculoskeletal pain associated with spasm.
200 subjects (adult male/female patients of age Between 18 -60) having moderate to severe pain, who are diagnosed by rating the pain between grade 7 to 10 on numeric pain scale by principal investigator, would be screened for enrolment, as per Inclusion/Exclusion criteria. 
Age: 18 Years to 60 Years (inclusive of both).
Assessment by Percentage of patients who shows any incidence of drug associated adverse effect will be evaluated as a primary end-point and efficacy in terms of % pain reduction will be the secondary objective of the study. 
 
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