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CTRI Number  CTRI/2025/02/079849 [Registered on: 03/02/2025] Trial Registered Prospectively
Last Modified On: 31/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison between Methotrexate and Letrozole in the management of unruptured ectopic pregnancy 
Scientific Title of Study   Methotrexate Vs Letrozole in the medical management of unruptured ectopic pregnancy-a comparative study 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Meghasriti 
Designation  Post graduate trainee 
Affiliation  Guwahati Medical College, Guwahati 
Address  Department of Obstetrics and Gynaecology,Guwahati Medical College and Hospital, Guwahati,ASSAM-781032

Kamrup
ASSAM
781032
India 
Phone  09863665606  
Fax    
Email  sritimeghasriti@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Prof Dr Gitanjali Deka 
Designation  Professor 
Affiliation  Guwahati Medical College, Guwahati 
Address  Department of Obstetrics and Gynaecology, Guwahati, Assam-781032

Kamrup
ASSAM
781032
India 
Phone  9864094184  
Fax    
Email  gitanjali.dk@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Prof Dr Gitanjali Deka 
Designation  Professor 
Affiliation  Guwahati Medical College, Guwahati 
Address  Department of Obstetrics and Gynaecology, Guwahati Medical College, Guwahati, Assam

Kamrup
ASSAM
781032
India 
Phone  9864094184  
Fax    
Email  gitanjali.dk@gmail.com  
 
Source of Monetary or Material Support  
Guwahati Medical College and Hospital, Guwahati, Assam, India PIN 781006 
 
Primary Sponsor  
Name  Meghasriti 
Address  Department of Obstetrics and Gynaecology, Guwahati Medical College, Guwahati, Assam PIN-781032 
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 Meghasriti  Guwahati Medical College  Department of Obstetrics and Gynaecology, Guwahati Medical College, Guwahati, Assam-781032
Kamrup
ASSAM 
09863665606

sritimeghasriti@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee,GAUHATI MEDICAL COLLEGE AND HOSPITAL  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O009||Ectopic pregnancy, unspecified, (2) ICD-10 Condition: O008||Other ectopic pregnancy, (3) ICD-10 Condition: O002||Ovarian pregnancy, (4) ICD-10 Condition: O001||Tubal pregnancy,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Letrozole   Name letrozole Dose 10 MG in two divided doses Duration Beta hCG is seen on day 4 and day 7 and if the fall is by 15 percent then weekly follow up till complete resolution. Route of Administration oral Expected Outcome is resolution of ectopic pregnancy indicated by a drop in beta hCG levels if at any given time patients vitals are deteriorating or there is significant pain abdomen or there is increase in beta hCG then other means of termination is adopted 
Comparator Agent  Methotrexate  Name Methotrexate Dose 50 mg per metre square intramuscularly Duration hCG will be assessed on day 4 and day 7 and if the fall is by 15 percent then weekly follow up till complete resolution. Route of Administrationis Intramuscular Expected Outcome is Resolution of ectopic pregnancy indicated by a drop in beta hCG levels if at any given time patients vitals are deteriorating or there is significant pain abdomen or there is increase in beta hCG then other means of termination may be adopted 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  45.00 Year(s)
Gender  Female 
Details  Ectopic pregnancy confirmed by physician. Serum beta HCG less than 3000 mIU/mL. Adnexal mass less than 35 mm with cardiac activity or less than 40 mm without cardiac activity. Patient is hemodynamically stable. 
 
ExclusionCriteria 
Details  Intrauterine pregnancy
Beta HCG more than 5000 MIU/ML
Ruptured ectopic pregnancy
Unruptured ectopic pregnancy with significant pain 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator, Outcome Assessor and Date-entry Operator Blinded 
Primary Outcome  
Outcome  TimePoints 
To determine the resolution of ectopic pregnancy by estimating serum human chorionic gonadotropin (beta hCG) levels below 5mIU/mL  4th day of administration of either drug followed by 7th day of administration.

If the decline between 4th and 7th day is more or equal to 15 percent then weekly monitoring of bhcg will be done till it comes down to less the 5 mIU/ml 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the changes in ovarian reserve antimullerian hormone AMH & hematologic changes (CBC, LFT)associated with the two medical treatments.  AMH, LFT AND CBC will be recorded on the following time points
0 day- on the day of administration of either drug
After 1 month
After 3 months  
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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/ Phase 3 
Date of First Enrollment (India)   11/02/2025 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
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  

This study aims to show the great promise letrozole holds for the treatment of ectopic pregnancy. Methotrexate has been a medical alternative to surgery for some time. But as an antimetabolite and immune suppressant chemotherapeutic drug methotrexate comes with toxic effects that may threaten a patients health and future fertility. Hence this trial is done to give an alternative drug that can be used in place of methotrexate as a standard treatment for medical management of unruptured ectopic pregnancy

My randomized prospective cohort study will include women with undisturbed ectopic pregnancy who have no contraindications to methotrexate or letrozole treatment. The study will have two groups comprising women who will receive medical treatment with methotrexate group 1 and the other group recieving letrozole group 2. A comparision will be drawn between the two drugs on the basis of the results obtained.

 
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