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CTRI Number  CTRI/2026/04/108321 [Registered on: 13/04/2026] Trial Registered Prospectively
Last Modified On: 12/04/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study in comparing 2 pain relief medication in patients with kidney stone. 
Scientific Title of Study   To determine the efficacy and safety of intravenous Ketorolac tromethamine versus Tramadol in adults with acute renal colic presenting to the emergency department: A randomized controlled trial-single blinded. 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DR R Kaveri 
Designation  PG Register 
Affiliation  Christian medical college Vellore-632004 
Address  Christian Medical College Vellore - 632004
Department of emergency medicine. Emergency building Room no.1 and D001. Christian Medical College Vellore-632004
Vellore
TAMIL NADU
632004
India 
Phone  9942477410  
Fax    
Email  drkaverivallii@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr .Reginald George Alex. T 
Designation  Professor 
Affiliation  Dr. M. G. R. Medical University 
Address  Department of Emergency Medicine, Christian Medical College Vellore - 632004
Department of Emergency Medicine, Emergency building, room no.1 and D001. Christian Medical College Vellore - 632004
Vellore
TAMIL NADU
632004
India 
Phone  8838119830  
Fax    
Email  dralex98@cmcvellore.ac.in  
 
Details of Contact Person
Public Query
 
Name  DR R Kaveri 
Designation  PG Register 
Affiliation  Christian medical college Vellore-632004 
Address  Christian Medical College Vellore - 632004
Department of emergency medicine, Emergency building, room No.1 and D001. CMC Vellore-632004
Vellore
TAMIL NADU
632004
India 
Phone  9942477410  
Fax    
Email  drkaverivallii@gmail.com  
 
Source of Monetary or Material Support  
Department of Emergency Medicine Christian medical College. Vellore-632004 India. 
 
Primary Sponsor  
Name  Christian medical college Vellore  
Address  Internal-Fluid research grant ( Rs. 1,50,000-Per Year for 2 years) 
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 R Kaveri  Christian Medical College and Hospital. Vellore - 632004   Department of Emergency Medicine, Emergency building, Room No.1 and D001. Christian medical College. Vellore-632004.
Vellore
TAMIL NADU 
09942477410

drkaverivallii@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
CDSCO  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N209||Urinary calculus, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Inj. Ketorolac tromethamine 1 amp is 1 ml as 30 mg  Intervention arm : Inj. Ketorolac tromethamine 30 mg in 100 ml Normal saline over 20 min, once administration. Total duration 150 min.  
Comparator Agent  Inj. Tramadol 1 ampoule is 2 ml as 100 mg   Comparator arm : Inj. Tramadol 100 mg in 100 ml Normal saline over 20 min, once administration. Total duration 150 min. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1.Adult patients(Patients more than 18 years of age)
2.Patients with suspected acute renal colic presenting to the ED(typical colicky flank pain and with or without hematuria) with plan for imaging per standard care.
3.patients with moderate to severe pain at baseline(e.g.NRS more than or equal to 4/10
4.Patients willing to provide informed written consent to participate in the study.
4. 
 
ExclusionCriteria 
Details  Patients with known allergy or hypersensitivity to NSAIDs, opioids or study drugs
Patients with history of peptic ulcer disease, gastrointestinal bleeding or known coagulopathy, platelet count 1 lakh per liter therapeutic anticoagulation where NSAIDs are contraindicated.
Severe renal impairment (eGFR Less than 30ml per min per 1.73 meter square) or known CKD stage 4-5.
pregnant or lactating women.
Hemodynamic instability ( SBP less than 90 mm HG)
or altered mental status precluding consent or assessment.
An alternative non renal colic diagnosis judged more likely on ED assessment (AAA, Appendicitis, ectopic pregnancy ) 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the pain score at 30 and 60 minutes post administration of intravenous Ketorolac and Tramadol to patients with acute renal colic presenting to the Emergency department  30min 60min 90min 120min and 150min 
 
Secondary Outcome  
Outcome  TimePoints 
a. To determine the adverse effects of intravenous Ketorolac and Tramadol in patients with acute renal colic presenting to the Emergency department
b. To determine the need for rescue analgesia between groups.
c. To determine patient satisfaction yes/no.
 
30mim 60min 90min 120min and 150min 
 
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   Phase 4 
Date of First Enrollment (India)   25/04/2026 
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 Yet Recruiting 
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 - YES
  1. What data in particular will be shared?
    Response - All of the individual participant data collected during the trial, after de-identification.

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report

  3. Who will be able to view these files?
    Response - Researchers who provide a methodologically sound proposal.

  4. For what types of analyses will this data be available?
    Response - For individual participant data meta-analysis.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [drkaverivallii@gmail.com].

  6. For how long will this data be available start date provided 22-04-2026 and end date provided 24-04-2031?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   This randomized, single blinded, phase IV superiority trial will compare the analgesic efficacy and safety of intravenous Ketorolac tromethamine versus intravenous tramadol for acute renal colic in the emergency department (ED). Adults  greater than or equal to 18 years with suspected renal colic and baseline moderate-to-severe pain (Numeric Rating Scale [NRS] greater than or equal to (4) will be enrolled after informed consent. Participants will be randomized 1:1 by computer-generated sequence with allocation concealed using sequentially numbered, opaque, sealed envelopes. The study will enroll 100 participants (50 per arm), providing 90 percent power (alpha=0.05) to detect the prespecified difference in pain-score change. Analyses will follow intention-to-treat  the primary endpoint will be compared using chi-square or Fisher’s exact with risk ratio, risk difference, and 95 percent CIs, with adjusted models as sensitivity analyses. The trial will obtain IRB approval and registration before enrolment; post-trial, all participants will continue to receive best available standard care. Tramadol is the standard of care in Emergency department. There is minimal studies in comparing IV Ketorolac and tramadol hence we want to carryout this study in Emergency department. 
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