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CTRI Number  CTRI/2024/06/069625 [Registered on: 27/06/2024] Trial Registered Prospectively
Last Modified On: 04/06/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Nutraceutical 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   The Effect of Okra on Endurance in Recreational Runners 
Scientific Title of Study   A Randomised, Double-Blind, Placebo-controlled, study to determine the effect of Abelmoschus esculentus (Okra) extract on endurance in recreational runners. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
AN-01OKR0524H2-WES21 Version 1 dated 06 May 2024  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)
Modification(s)  
Name  Dr Binu T Kuruvilla 
Designation  Chief Innovation Officer 
Affiliation  Arjuna Natural Pvt Ltd 
Address  Arjuna Natural Pvt Ltd, Desom P.O, Aluva Ernakulam

Ernakulam
KERALA
683102
India 
Phone  09447818432  
Fax    
Email  drbinu@arjunanatural.com  
 
Details of Contact Person
Scientific Query

Modification(s)  
Name  Dr Binu T Kuruvilla 
Designation  Chief Innovation Officer 
Affiliation  Arjuna Natural Pvt Ltd 
Address  Arjuna Natural Pvt Ltd, Desom P.O, Aluva Ernakulam


KERALA
683102
India 
Phone  09447818432  
Fax    
Email  drbinu@arjunanatural.com  
 
Details of Contact Person
Public Query

Modification(s)  
Name  Sooraj Rajasekharan Kartha 
Designation  Scientist- Clinical Research 
Affiliation  Arjuna Natural Pvt Ltd 
Address  Arjuna Natural Pvt Ltd, Desom P.O, Aluva Ernakulam

Ernakulam
KERALA
683102
India 
Phone  9847670997  
Fax    
Email  sooraj@arjunanatural.com  
 
Source of Monetary or Material Support
Modification(s)  
Arjuna Natural Pvt Ltd, Desom P.O, Aluva Ernakulam 683102 
 
Primary Sponsor
Modification(s)  
Name  Arjuna Natural Pvt Ltd 
Address  Arjuna Natural Pvt Ltd, Desom P.O, Aluva Ernakulam 683102 
Type of Sponsor  Other [Nutraceutical] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 5  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Bhavanam Kishore  Amor Hospitals  Department of ortho, consultant room, Near Balanagar Metro Station, Y Junction,Kukatpally, Hyderabad -500072
Hyderabad
TELANGANA 
7569707316

dr.kishore.amorhospitals@gmail.com 
DrAshok Kumar Patnala  Medi Links Polyclinic  Department of Orthopedics, room 2, Opp hero showroom, Dondaparthy ,530016
Visakhapatnam
ANDHRA PRADESH 
9849123602

drashokp.research@gmail.com 
Dr Rakesh Komuravelli  Srikara Hospitals  Department of ortho, consultant room ground floor, Street no.7, Near RTC X Road, Beside Nabard, Musheerabad, Zamistanpur, kavdiguda, Hyderabad-500020.
Hyderabad
TELANGANA 
9866113630

dr.rakeshkomuravelli@gmail.com 
Dr Madhu Geddam  Srikara Hospitals,  Department of ortho, consultant room ground floor, #222&223, Phase II, Mythri Nagar, Madinaguda, Miyapur, Hyderabad-500049.
Hyderabad
TELANGANA 
8328671684

drmadhu.srikarahospitals@gmail.com 
Dr Vineet Kumar Shukla  Tender Palm Hospital  Dr. Vineet Kumar Shukla OPD, 4th floor, Department of General Medicine, Sec-7, Amar Shaheed Path, Gomtinagar Extension, Lucknow-226010.
Lucknow
UTTAR PRADESH 
79053 04034

vineetshukla38@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 5  
Name of Committee  Approval Status 
Independent Ethics Committee Narayana Diagnostics  Approved 
Institutional Etchics Committee Medigene Multi Speciality Hospital Private Limited  Approved 
Srikara Hospital Ethics Committee  Approved 
Srikara Hospital Ethics Committee  Approved 
Srikara Hospital Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Recreational runners  
 
Intervention / Comparator Agent
Modification(s)  
Type  Name  Details 
Intervention  IP1 - Okra extract + Placebo  Abelmoschus Esculentus extract (okra) 500 mg + Placebo ( Wheat powder 100%) 500mg for 30 days.  
Intervention  IP2 - Okra extract  Abelmoschus Esculentus extract (okra) 1000 mg for 30 days 
Comparator Agent  IP3 - Placebo  Wheat powder 100% 1000mg for 30 days  
 
Inclusion Criteria  
Age From  25.00 Year(s)
Age To  40.00 Year(s)
Gender  Both 
Details  Males and Females 25 to 40 years of age (1:1 ratio)
Body Mass Index between from 18.5 to 24.9 kg/m2
Being recreationally active – Habitual running for 30 min for at least 3 days in a week for the past 3 months.
IPAQ vigorous activity not less than 720 MET minutes per week.
Normotensive (seated, resting systolic blood pressure less than 140 mm Hg and diastolic blood
pressure less than 90 mm Hg. Normal seated, resting heart rate (less than 90 beats per minute).
Subjects who are willing to refrain from using protein, vitamin, mineral and herbal supplements for the study period.
Ability to follow all instructions in the study protocol and be willing to give written
informed consent. 
 
ExclusionCriteria 
Details  COVID positive in the past 6 months.
Received any vaccinations in the past 6 months.
Current use of prescription or over-the-counter medications or unwillingness or inability to discontinue use of these medications at least 4 weeks before beginning the study.
Cardiovascular complications.
Use of protein, vitamin, mineral, and herbal supplements 1 week before the study.
Alcoholic (greater than 2 pegs(60ml)per day) and smoking (has not stopped within 3 months of the study)
Medical problems that would be a direct physical limitation.
Current treatment for depression, alcohol or substance abuse, or psychosis
Women of childbearing age intending for pregnancy or are pregnant, breastfeeding, or willing to practice contraception.
Any condition, including laboratory abnormalities, that in the opinion of investigator places the volunteer at an unacceptable risk or deems the volunteer not suitable for participation in the study.
Subjects who are unwilling to abstain from consuming okra and any other dietary supplements and to maintain their normal training and dietary habits.
Subjects who participated in a clinical trial for the past 3 months.
Unwilling to provide written informed consent. 
 
Method of Generating Random Sequence   Stratified randomization 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Mean change in the total distance covered on treadmill in the 15 min timed test.  Day4 and Day34 
 
Secondary Outcome  
Outcome  TimePoints 
Mean change in peak power output in the vertical jump test  Day4 & Day34. 
Mean change in time to exhaustion in the Barbell lift & hold test  Day4 & Day34. 
Mean change in Borg 6-20 RPE scale  Day4 & Day34 
Mean change in the mean score of FSS, & VAS-F  Day4 & Day34 
Mean change in biomarkers  from D4 to D34 
 
Target Sample Size   Total Sample Size="84"
Sample Size from India="84" 
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 2 
Date of First Enrollment (India)   09/07/2024 
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="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
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   Endurance is the ability to sustain prolonged physical or mental effort. It is a critical component of athletic performance, particularly in sports and activities that require sustained energy output over extended periods, such as long-distance running, cycling, and swimming. This study focuses on the effect of okra extract on endurance in recreational runners.  Recreational endurance runners are individuals who engage in long-distance running as a form of exercise, hobby, or competitive sport, but not at a professional or elite level. In preclinical studies okra had demonstrated  anti-fatigue activity.  Despite the abundance of anecdotal evidence and preclinical studies suggesting these benefits, no clinical trials have yet been conducted to confirm these effects in human subjects. By investigating okra’s impact on endurance and recovery, this trial aims to provide scientifically rigorous data that could validate its use as a natural ergogenic aid. The findings may offer a novel nutritional strategy to improve performance and well-being among recreational endurance runners. 
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