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CTRI Number  CTRI/2025/09/095415 [Registered on: 26/09/2025] Trial Registered Prospectively
Last Modified On: 13/08/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Yoga & Naturopathy 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Effect of yoga on pain, mental health, and body changes during menstrual cramps 
Scientific Title of Study   Effect of Yoga on Pain, Psychological Symptoms and Prostaglandin Levels in Primary Dysmenorrhea: A Randomized Controlled Trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Reena Singh 
Designation  Senior Research Fellow 
Affiliation  S-VYASA Deemed to be University 
Address  Prashanti Kuteeram, S-VYASA Deemed to be University, Division of Yoga and Physical Sciences, Jigani, Bengaluru

Bangalore
KARNATAKA
560105
India 
Phone  9005160723  
Fax    
Email  reena.vns0511@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Vijaya Majumdar 
Designation  Professor and HOD 
Affiliation  S-VYASA Deemed to be University 
Address  Prashanti Kuteeram, S-VYASA Deemed to be University, Division of Yoga and Lifescience, Molecular Bioscience and Geroscience, Anvesana Research Lab, Jigani, Bengaluru

Bangalore
KARNATAKA
560105
India 
Phone  9036800821  
Fax    
Email  majumdar.vijaya@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Reena Singh 
Designation  Senior Research Fellow 
Affiliation  S-VYASA Deemed to be University 
Address  Prashanti Kuteeram, S-VYASA Deemed to be University, Division of Yoga and Physical Sciences, Jigani, Bengaluru

Bangalore
KARNATAKA
560105
India 
Phone  9005160723  
Fax    
Email  reena.vns0511@gmail.com  
 
Source of Monetary or Material Support  
Infrastructural support provided by S-VYASA, deemed to be University, Jigani, Bengaluru, 560105 , India 
 
Primary Sponsor  
Name  Reena Singh 
Address  Prashanti Kutiram, S-VYASA University, Jigani, Bangalore, Karnataka-560105 
Type of Sponsor  Other [Individual] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Krithika K  The Oxford Medical College Hospital and Research Centre  Department of Obstetrics and Gynecology, Yadavanahalli, Attibele, Behind La Classic Hotel, Bengaluru-Chennai Hwy, Rajajinagar 3rd Block, Anekal, Bangalore, Karnataka-562107, India
Bangalore
KARNATAKA 
08061854138

principal.tomch@theoxford.edu 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
InstitutionalEthicsCommitteeSVYASA  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Primary Dysmenorrhea 
 
Intervention / Comparator Agent
Modification(s)  
Type  Name  Details 
Comparator Agent  Control  No intervention given, allowed to do regular activities. 
Intervention  Yoga  Validated Yoga Module: Yoga Asanas, Pranayama Practices, and Deep Relaxation Techniques/ Meditation. Duration: 3 months. 
 
Inclusion Criteria
Modification(s)  
Age From  18.00 Year(s)
Age To  30.00 Year(s)
Gender  Female 
Details  1. Females aged 18 to 30 years
2. Females with a visual analogue score of 4 or higher
3. Females who consented to participate in the study and are willing to be randomised
4. They should be university or college female students
5. No prior regular yoga practice 
 
ExclusionCriteria 
Details  1. History of pelvic or abdominal surgery
2. Receiving any alternative treatments
3. Reported history of mental illness or substance abuse based on self report
4. Females with pathological pelvic conditions and any chronic illness
5. Married women and those who intend to get married within the proposed intervention duration 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome
Modification(s)  
Outcome  TimePoints 
COX Menstrual Symptom Scale
CMSS 
Baseline and Post- 12 Weeks  
 
Secondary Outcome
Modification(s)  
Outcome  TimePoints 
1. Prostaglandin PGE2 biomarker
2. Pain severity assessment by VAS
3. Emotion Regulation Questionnaire ERQ
4. Menstrual Sensitivity Index MSI
5. Perceived Stress Scale PSS
6. Dysmenorrhea Symptom Interference Scale
DSI
7. Dysmenorrhea Daily Diary
 
Baseline & Post-12 Weeks 
 
Target Sample Size
Modification(s)  
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)   20/08/2026 
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
Modification(s)  
Years="1"
Months="0"
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
Modification(s)  

This randomised waitlist-controlled trial investigates the impact of a validated yoga practice on menstrual pain, psychological outcomes, and prostaglandin E2 levels in female college students with primary dysmenorrhea. The study evaluates multiple outcomes, including menstrual pain (Visual Analogue Scale), menstrual symptom severity (Cox Menstrual Symptom Scale), prostaglandin levels PGE2 biomarker, Stress (Perceived Stress Scale), emotion regulation (Emotion Regulation Questionnaire), menstrual sensitivity (Menstrual Sensitivity Index), symptom interference, and daily symptom patterns.

Participants in the intervention group will undergo a validated three-month yoga programme. The waitlisted control group will continue with their usual lifestyle and will be offered yoga practices after the intervention is completed.

The study hypothesises that yoga will significantly reduce menstrual pain, improve stress management and emotional regulation, and lower prostaglandin levels, thereby enhancing menstrual and psychological health in females with primary dysmenorrhea.

 
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