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CTRI Number  CTRI/2024/12/078046 [Registered on: 12/12/2024] Trial Registered Prospectively
Last Modified On: 22/03/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Mirabegron and Solifenacin versus Mirabegron Over Active Bladder 
Scientific Title of Study   Efficacy and safety of Mirabegron Monotherapy versus combination of Mirabegron and Solifenacin in patients with Over active bladder- A Randomized Prospective open label observational study at a tertiary care teaching hospital in South India.  
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 Karri Parvathi 
Designation  Postgraduate 
Affiliation  Sri Venkateswara Institute Of Medical Sciences- SPMCW 
Address  Department of Pharmacology,Sri venkateswara institute of medical sciences(SVIMS),alipiri road,tirupati.

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9493051069  
Fax    
Email  dr.k.parvathireddy@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Karri Parvathi 
Designation  Postgraduate 
Affiliation  Sri Venkateswara Institute Of Medical Sciences- SPMCW 
Address  Department of Pharmacology,Sri venkateswara institute of medical sciences(SVIMS),alipiri road,tirupati.

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9493051069  
Fax    
Email  dr.k.parvathireddy@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrCPallavi 
Designation  Associate Professor 
Affiliation  Sri Venkateswara Institute Of Medical Sciences- SPMCW 
Address  Department of Pharmacology,Sri venkateswara institute of medical sciences(SVIMS),alipiri road,tirupati.

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9959956433  
Fax    
Email  pallavispmcw@gmail.com  
 
Source of Monetary or Material Support  
Dr.K.Parvathi, Junior resident, Department of pharmacology,Sri Venkateswara institute of medical sciences (SVIMS),Tirupati-517501. 
 
Primary Sponsor  
Name  Dr Karri Parvathi 
Address  Dr.K.Parvathi, Junior resident, Department of Pharmacology,Sri Venkateswara institute of medical sciences (SVIMS),Tirupati-517501. 
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 K PARVATHI  Sri Venkateswara Institute Of Medical Sciences  Room NO.45,Department of Urology ,OP Block.
Chittoor
ANDHRA PRADESH 
9493051069

dr.k.parvathireddy@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
Institutional Ethics Committee, SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES  Approved 
Institutional Ethics Committee, SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N319||Neuromuscular dysfunction of bladder, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  comparing with combination of Mirabegron and Solifenacin   Mirabegron monotherapy vs Mirabegron and Solifenacin. Comparing the effects of both groups by using USS score, OAB score, PVR volume. The following efficacy assessments will be done at baseline and during follow-up visits at week 4, 8 and 12. safety and tolerability assessments will be done at baseline, week 4, 8 and 12. The following efficacy assessments will be done at baseline and during follow-up visits at week 4, 8 and 12.  
Intervention  Mirabegron monotherapy  Mirabegron monotherapy vs Mirabegron and Solifenacin. Comparing the effects of both groups by using USS score, OAB score, PVR volume The following efficacy assessments will be done at baseline and during follow-up visits at week 4, 8 and 12. safety and tolerability assessments will be done at baseline, week 4, 8 and 12. The following efficacy assessments will be done at baseline and during follow-up visits at week 4, 8 and 12. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Men and women aged 18- 60 years experiencing symptoms of OAB for ≥ 3 months.
2.They should have frequency of micturition on an average ≥ 8 times per 24 h.
3.They should have at least three episodes of urgency, with or without incontinence.
 
 
ExclusionCriteria 
Details  1.Pregnant / lactating Female
2.Clinically significant bladder outflow obstruction
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Not Applicable 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
o compare the efficacy of mirabegron 50mg monotherapy versus mirabegron 50mg plus
solifenacin 5mg combination therapy in patients of over active bladder 
at 4 weeks and 12 weeks of treatment 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the safety and tolerability of mirabegron 50mg monotherapy with combination of mirabegron 50mg plus solifenacin 5mg.  at 4 weeks and 12 weeks of treatment 
 
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   N/A 
Date of First Enrollment (India)   31/12/2024 
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)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details
Modification(s)  
After completion of study would like to submit for publication.  
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 (Others) -  NIL

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report
    Response -  Analytic Code
    Response (Others) -  NIL
  3. Who will be able to view these files?
    Response (Others) -  NIL

  4. For what types of analyses will this data be available?
    Response (Others) -  NIL

  5. By what mechanism will data be made available?
    Response (Others) -  NIL

  6. For how long will this data be available start date provided 05-07-2027 and end date provided 14-10-2027?
    Response (Others) -  NIL

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary
Modification(s)  

Title :  Efficacy and safety of Mirabegron monotherapy  versus combination of Mirabegron and

 Solifenacin in patients with over active bladder- A randomized prospective open label

observational study at a tertiary care hospital in South India

AIM: To compare the efficacy and safety of mirabegron monotherapy versus combination therapy of mirabegron and solifenacin in patients of over active bladder.

PRIMARY OBJECTIVE

To compare the efficacy of mirabegron 50mg monotherapy versus mirabegron 50mg  plus solifenacin 5mg combination therapy in patients of over active bladder.

 SECONDARY OBJECTIVE

To compare the safety and tolerability of mirabegron 50mg monotherapy with combination of mirabegron 50mg plus solifenacin 5mg.

METHODOLOGY

STUDY DESIGN

A randomized prospective comparative open label observational parallel group study.

STUDY SITE

The study will be conducted in the department of Urology, Sri Venkateswara Institute of Medical Sciences (SVIMS)-Tirupati, Andhra Pradesh.

  STUDY SUBJECTS     

 All over active bladder patients who comes to urology OPD and who will be started on mirabegron 50mg monotherapy or combination of mirabegron 50mg plus solifenacin 5mg.

INCLUSION CRITERIA

  • Men and women aged 18 - 60 years experiencing symptoms of OAB for ≥ 3 months.
  • They should have frequency of micturition on an average ≥ 8 times per 24 h.
  • They should have at least three episodes of urgency, with or without incontinence

EXCLUSION CRITERIA

  • Pregnant / lactating Female
  •  Clinically significant bladder outflow obstruction 

§  Significant post-void residual (PVR) volume (> 1/3rd of full bladder volume- FBV)

§   Male with prostate volume > 20cc in ultrasound

§   Patients with predominant stress incontinence

§  Diabetes Mellitus with uncontrolled  blood sugars (HbA1C ≥ 9% )

§   Active urinary tract infection

§   Interstitial cystitis, bladder stones

§   Previous pelvic radiation therapy or previous or current malignant disease of the pelvic organs

§   Severe renal impairment or End Stage Renal disease.

STUDY DURATION:

One year following the Thesis Protocol Approval Committee (TPAC) and Institutional Ethics Committee (IEC) approval.

  SAMPLE SIZE

Total estimated sample size – 100 (50/group including 5% dropouts)

 EFFICACY PARAMETERS

Ø  Urgency Severity Scale (USS)21

Ø  OAB Symptom Score (OABSS)22

Ø  Post void residual (PVR) volume will be evaluated at baseline

and end of study.


 
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