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CTRI Number  CTRI/2025/09/094166 [Registered on: 03/09/2025] Trial Registered Prospectively
Last Modified On: 03/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Can a nasal spray of oxytocin help reduce pain and anxiety in women undergoing minimally invasive gynaecological surgery 
Scientific Title of Study   Efficacy of Preoperative Intranasal Oxytocin for Pain and Anxiety modulation in Women Undergoing Minimally invasive Gynecological Surgery A Pilot Randomized Controlled Study An Academic 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  DR S Dharani 
Designation  Junior Resident 
Affiliation  AIIMS MANGALAGIRI 
Address  Room NO: 301, Department of OBGYN OPD, OPD 3rd Floor, AIIMS MANGALAGIRI Campus, Mangalagiri, Guntur District, Andhra Pradesh- 522503.
Room NO: 301, Department of OBGYN OPD, OPD 3rd Floor, AIIMS MANGALAGIRI Campus, Mangalagiri, Guntur District, Andhra Pradesh- 522503.
Guntur
ANDHRA PRADESH
522503
India 
Phone  9080719801  
Fax    
Email  m02jan025020@aiimsmangalagiri.edu.in  
 
Details of Contact Person
Scientific Query
 
Name  DR Sairem Mangolnganbi Chanu 
Designation  Associate Professor 
Affiliation  AIIMS MANGALAGIRI 
Address  Room NO: 2079, Second Floor, Department of OBGYN AIIMS MANGALAGIRI Campus, Mangalagiri, Guntur district, Andhra Pradesh- 522503.
Room NO: 2079, Second Floor, Department of OBGYN AIIMS MANGALAGIRI Campus, Mangalagiri, Guntur district, Andhra Pradesh- 522503.
Guntur
ANDHRA PRADESH
522503
India 
Phone  8794713545  
Fax    
Email  dr.mangol123@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DR S Dharani 
Designation  Junior Resident 
Affiliation  AIIMS MANGALAGIRI 
Address  Room NO: 301, Department of OBGYN OPD, OPD 3rd Floor, AIIMS MANGALAGIRI Campus, Mangalagiri, Guntur District, Andhra Pradesh- 522503.
Room NO: 301, Department of OBGYN OPD, OPD 3rd Floor, AIIMS MANGALAGIRI Campus, Mangalagiri, Guntur District, Andhra Pradesh- 522503.
Guntur
ANDHRA PRADESH
522503
India 
Phone  9080719801  
Fax    
Email  m02jan025020@aiimsmangalagiri.edu.in  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  DR S DHARANI 
Address  ROOM NO: 301, DEPARTMENT OF OBGYN OPD, OPD 3RD FLOOR, AIIMS MANGALAGIRI CAMPUS, MANGALAGIRI, GUNTUR DISTRICT, ANDHRA PRADESH- 522503.  
Type of Sponsor  Other [self] 
 
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 S Dharani  AIIMS MANGALAGIRI  IPD-D3 Department of OBGYN
Guntur
ANDHRA PRADESH 
9080719801

m02jan025020@aiimsmangalagiri.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
AIIMS MANGALAGIRI  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N00-N99||Diseases of the genitourinary system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Intranasal normal saline  Intranasal normal saline same volume as intranasal oxytocin. Total duration - 2 years. 
Intervention  Intranasal Oxytocin  Intranasal Oxytocin 30 units, 15 units in each nostril. Total duration - 2 years 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  64.00 Year(s)
Gender  Female 
Details  Women aged 18-64 years
Undergoing elective laparoscopic gynecological surgery
ASA I-II
Surgery duration up to 4 hours
Consented to participate 
 
ExclusionCriteria 
Details  Psychiatric illness or antidepressant/antipsychotic use
Nasal pathology or obstructed breathing
History of oxytocin allergy
Pregnancy or lactation
If converted to laparotomy
Women <18 years and > 64 years
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
•Reduction in early postoperative pain scores in the oxytocin group
•Lower intra-operative and post operative opioid use
•Reduction in anxiety scores post-op
 
Pain using NRS scores will be assessed at 0,2,6,12,24 hrs.
Anxiety using BAI score will be assessed preoperatively and 6 hrs postop.
Intraoperative and postoperative opioid usage. 
 
Secondary Outcome  
Outcome  TimePoints 
nil  nil 
 
Target Sample Size   Total Sample Size="72"
Sample Size from India="72" 
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)   15/09/2025 
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="2"
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  

Title: Efficacy of Preoperative Intranasal Oxytocin for Pain and Anxiety Modulation in Women Undergoing Minimally Invasive Gynaecological Surgery A Pilot Randomized Controlled Study (An Academic Trial)

Background & Rationale:

Minimally invasive gynaecological surgeries are associated with postoperative pain and perioperative anxiety. Current management often requires opioids, which carry risks. Oxytocin, a neurohormone delivered intranasally, can modulate pain and stress pathways, potentially reducing both pain and anxiety while limiting opioid need.

 Objectives:

  Primary: To assess whether intranasal oxytocin reduces postoperative pain (Numerical Rating Scale) and anxiety (BAI scale).

  Secondary: To assess intra- and postoperative opioid consumption.

 Design & Setting:

Prospective, randomized, double-blind, placebo-controlled pilot study at AIIMS Mangalagiri.

 Participants:

72 women, aged 18–64, ASA I–II, undergoing elective minimally invasive gynaecological surgery. Exclusions: psychiatric illness, nasal pathology, oxytocin allergy, pregnancy/lactation, conversion to laparotomy.

 Interventions:

  Group O: Intranasal Oxytocin 30 IU (15 IU/nostril), administered preoperatively.

  Group P: Placebo (normal saline).

 Outcome Measures:

  Pain scores (NRS: 0, 2, 6, 12, 24 hrs).

  Anxiety (BAI: pre-op and 6 hrs post-op).

  Opioid (tramadol) usage intra- and postoperatively.

 Sample Size & Analysis:

36 per group (total 72). Based on expected 1-point difference in NRS pain scores, 80% power, 5% significance. Intention-to-treat analysis. Student’s t-test/Mann–Whitney U for continuous data,

Chi-square/Fisher’s exact test for categorical data.

 Expected Outcomes:

Reduction in postoperative pain and anxiety, lower opioid requirement, safer recovery with a non-opioid alternative.

 Ethics & Administration:

IEC approval, CTRI registration. Informed consent mandatory. Confidentiality ensured. Self-funded with institutional support.

 Timeline:

  Protocol & IEC approval: 2 months (mid-2025).

  Data collection: 18 months (Aug 2025 – Feb 2027).

  Analysis & thesis writing: 3 months (Mar–Jun 2027).

  Submission: July 2027.

 
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