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CTRI Number  CTRI/2025/11/097705 [Registered on: 19/11/2025] Trial Registered Prospectively
Last Modified On: 18/11/2025
Post Graduate Thesis  No 
Type of Trial  BA/BE 
Type of Study    
Study Design  Randomized, Crossover Trial 
Public Title of Study   An Open Label Single Dose Four Period Oral Bioequivalence study comparing Flaveine 500 mg Tablets in Healthy Adult Human Subjects Under Fasting Conditions 
Scientific Title of Study   An Open Label Balanced Randomized Single Dose Two Treatment Two Sequence Four Period Truncated Fully Replicate Reference Scaled Average Oral Bioequivalence Study Comparing Flaveine® 500 mg Tablets Manufactured by Biogalenic With Daflon 500 mg Film Coated Tablets Manufactured by Les Laboratoires Servier In Healthy Adult Human Subjects Under Fasting Conditions 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
SLS-BE-0077-24-FLAV Version: 01 Date: 06 May 25  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Pradeep T 
Designation  Principal Investigator 
Affiliation  Spinos Lifescience and research private limited  
Address  Clinical Pharmacology unit Ground Floor No 29 A Krishna Maduravanam Vellakinar pirivu Thudiyalur Coimbatore Coimbatore

Coimbatore
TAMIL NADU
641029
India 
Phone  08220586899  
Fax    
Email  pradeep.t@spinoslifescience.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Pradeep T 
Designation  Principal Investigator 
Affiliation  Spinos Lifescience and research private limited  
Address  Clinical Pharmacology unit Ground Floor No 29 A Krishna Maduravanam Vellakinar pirivu Thudiyalur Coimbatore Coimbatore

Coimbatore
TAMIL NADU
641029
India 
Phone  08220586899  
Fax    
Email  pradeep.t@spinoslifescience.com  
 
Details of Contact Person
Public Query
 
Name  Dr Pradeep T 
Designation  Principal Investigator 
Affiliation  Spinos Lifescience and research private limited  
Address  Clinical Pharmacology unit Ground Floor No 29 A Krishna Maduravanam Vellakinar pirivu Thudiyalur Coimbatore Coimbatore

Coimbatore
TAMIL NADU
641029
India 
Phone  08220586899  
Fax    
Email  pradeep.t@spinoslifescience.com  
 
Source of Monetary or Material Support  
Sarl Biogalenic Activity Zone Zighoud Youcef Constantine Algeria 25200  
 
Primary Sponsor  
Name  Sarl Biogalenic 
Address  Activity Zone Zighoud Youcef Constantine Algeria 25200  
Type of Sponsor  Pharmaceutical industry-Global 
 
Details of Secondary Sponsor  
Name  Address 
Spinos Life Science and Research Private limited  Door No.29 A, Krishna Madhuravanam, Alankar Thottam, Vellakinar Pirivu, Thudiyalur, Coimbatore - 641029 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Pradeep T  Spinos Lifescience andResearchprivatelimited  Clinical Pharmacology unit GroundFloor No 29 A Krishna MaduravanamV641029 Coimbatore
Coimbatore
TAMIL NADU 
08220586899

pradeep.t@spinoslifescience.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Research Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Fasting Condition 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Daflon 500 mg Film-Coated Tablets  A Single oral dose of Daflon 500 mg Film-Coated Tablets will be administered in each period Total Duration is 11 Days 
Intervention  Flaveine® 500 mg Tablets Manufactured by Biogalenic  A Single oral dose of Flaveine® 500 mg Tablets will be administered in each period Total Duration is 11 Days 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  Normal healthy adult human subjects of age between 18 to 45 years and Body Mass Index BMI ranges between 18.50 kg/m2 to 30.00 kg/m2
Subjects who have no evidence of underlying disease during screening and check in and whose screening is performed within 21 days of check in
Subjects whose screening laboratory values are within normal limits are considered by the physician or principal/clinical investigator to be of no clinical significance
Healthy as documented by the medical history physical examination including but not limited to an evaluation of the cardiovascular gastrointestinal respiratory musculoskeletal and central nervous system and vital sign assessments
Generally healthy as documented by a 12 lead electrocardiogram ECG Chest X Ray and clinical laboratory assessments
Willing to consume Ovo lacto vegetarian
Willing to comply with all requirements of this study protocol as well as instruction from the study personnel
Non smokers
Generally healthy as documented by gynaecological examination and breast examination for female subjects period I only
Females of childbearing potential must have a negative serum pregnancy test performed within 21 days prior to the initiation of the study and a negative urine pregnancy test prior to check in for each period
If the subject is female currently not pregnant not lactating or not attempting to become pregnant for 4 weeks before the screening visit throughout the duration of the study and 3 weeks after the subject’s last studyrelated visit for eligible subjects only if applicable has a negative serum pregnancy test and is of
non-childbearing potential defined as
1 year post menopausal no menstrual period for at least 12 consecutive months without any other medical cause
Surgically sterile bilateral tubal ligation bilateral oophorectomy or hysterectomy
or is of
childbearing potential willing to commit to using a consistent and acceptable method of birth control as defined below for the duration of the study
double barrier methods condoms cervical cap diaphragm and vaginal contraceptive film with spermicide
intrauterine device IUD with a low failure rate of less than 1 percentage per year
or is of
childbearing potential and not sexually active willing to commit to using a consistent and acceptable method of birth control as defined above for the duration of the study in the event the subject becomes sexually active  
 
ExclusionCriteria 
Details  Evidence of allergy or known hypersensitivity to Diosmin or its inactive ingredients
Subjects with hepatic encephalopathy cholestasis myasthenia pre existing liver disease alcohol abuse existing tinnitus and pre existing gallbladder diseas Any major illness in the last three months or any significant ongoing chronic medical illness
Renal or liver impairment
Any disease or condition that might compromise the haemopoeitic gastrointestinal renal hepatic cardiovascular Musculoskeletal respiratory central nervous system or any other body system including presence of Diabetes Mellitus and Psychosis
History of alcohol addiction or abuse
Consumption of caffeine and or xanthine containing products ie coffee tea chocolate caffeine containing sodas colas etc cigarettes and tobacco containing products for at least 48.00 hours prior to checkin and throughout the entire study
Consumption of alcohol and its products grapefruit and or its juice and poppy containing foods within 48.00 hours prior to clinic admission and throughout the entire study
Subjects who have taken any prescription medications within 14 days prior to study check-in and throughout the study and any over the counter medicinal products herbal medications within 07 days prior to study check-in and throughout the study
Subjects who have taken any unusual diet for whatever reason eg low salt for 48.00 hours prior to dosing and throughout the study
Subject who had participated in any other study within the 90 days of check-in
History of difficulty in swallowing
History of difficulty in accessibility of veins
Positive results for urine screen of drugs of abuse Marijuana THC amphetamine AMP barbiturates BAR cocaine COC benzodiazepines BZD and morphine MOR in urine prior to check in of each period
Positive results for alcohol test prior to check in of each period
Any blood donation or excess blood loss within 90 days of check-in
Ingestion of any hormonal agent at any time within 14 days prior to the start of the study check-in
Use of hormone replacement therapy for a period of 06 months prior to dosing
Female subjects demonstrating a positive pregnancy screen
Female subjects who are currently lactating
Females are likely to become pregnant during the course of the study  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pharmacy-controlled Randomization 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To assess the Bioequivalence of Flaveine® 500 mg Tablets Manufactured by Biogalenic with Daflon 500 mg Film Coated Tablets Manufactured by Les Laboratoires Servier In Healthy Adult Human Subjects Under Fasting Conditions  20 Time Points
00 00 hrs 00 50 hrs 01 00 hrs 01 25 hrs 01 50 hrs 01 75 hrs 02 00 hrs 02 25 hrs 02 50 hrs 02 75 hrs 03 00 hrs 03 50 hrs 04 00 hrs 05 00 hrs 06 00 hrs 08 00 hrs 12 00 hrs 24 00 48 00 hrs 72 00 hrs 
 
Secondary Outcome  
Outcome  TimePoints 
To Monitor The Safety And Tolerability Of Test Product Comparing With The Reference Product In Healthy Adult Human Subjects Under Fasting Conditions  20 Time Points
00 00 hrs 00 50 hrs 01 00 hrs 01 25 hrs 01 50 hrs 01 75 hrs 02 00 hrs 02 25 hrs 02 50 hrs 02 75 hrs 03 00 hrs 03 50 hrs 04 00 hrs 05 00 hrs 06 00 hrs 08 00 hrs 12 00 hrs 24 00 48 00 hrs 72 00 hrs 
 
Target Sample Size   Total Sample Size="32"
Sample Size from India="32" 
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)   05/12/2025 
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="6"
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  

At least 32 number of healthy, adult, human subjects will be recruited to evaluate the Bioequivalence of Test product with the Reference product.

As per the discretion of the Investigator, a sufficient number of stand-by subjects will be included additionally to ensure successful dosing of 32 subjects in period I alone.

Note: If needed the study will be conducted as batch wise.

Standard meals will be provided at 04.00, 08.00, 12.00, 24.00, 28.00, 32.00 and 36.00 hours  post-dose respectively. All meal plans will be identical in all the periods of the study

In each period, after an overnight fasting of at least 08.00 hours, in the morning a single oral dose of either the test product (T) or reference product (R) will be administered (as per the randomization schedule) with 240 mL of drinking water at ambient temperature

The subjects will fast for at least 08.00 hours prior to dosing and 04.00 hours post-dose.

Blood pressure, radial pulse rate, body temperature and wellbeing status will be enquired and recorded at 00.00 hour (within 75 minutes of before dosing) and at 03.00, 06.00, 12.00, and 24.00 hours (± 60 minutes) post dose.

Physical examination and vitals will be recorded before check-in, check-out (48.00 hours) for each period and at any time if necessary

Seated blood pressure, radial pulse rate, body temperature and wellbeing status will be enquired and recorded before the collection of the ambulatory sample at 72.00 hours post dose

Monitoring for adverse events will be done throughout the study period in clinical phase

 
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