Preventive Application of Letrozole Decrease Incidence of Early Onset of OHSS
The Randomized Controlled Trial Study of Letrozole in the Prevention of Medium and Severe Ovarian Hyperstimulation Syndrome in Invitro Fertilization Treatment
1 other identifier
interventional
100
0 countries
N/A
Brief Summary
Letrozole is one kind of aromatase inhibitors which may have effect on decrease estrogen in luteal phase and inhibit the luteal function of ovary. In 2009, Letrozole was reported as one candidate for the treatment or prevention of ovarian hyperstimulation syndrome.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4
Started Jan 2012
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2013
CompletedFirst Submitted
Initial submission to the registry
August 7, 2013
CompletedFirst Posted
Study publicly available on registry
February 1, 2016
CompletedFebruary 1, 2016
January 1, 2016
1.5 years
August 7, 2013
January 28, 2016
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
incidence of early OHSS
up to 1 months
Secondary Outcomes (7)
vascular endothelial growth factor level
up to 1 months
incidence of hydrothorax
up to 1 months
incidence of liver dysfunction
up to 1 months
incidence of renal dysfunction
up to 1 months
incidence of electrolytic imbalance
up to 1 months
- +2 more secondary outcomes
Study Arms (2)
letrozole
EXPERIMENTALletrozole for the first day after ovum picked up at least for 5 days.
aspirin
ACTIVE COMPARATORasprin for the first day after ovum picked up at least for 5 days.
Interventions
Eligibility Criteria
You may qualify if:
- infertile women undergoing IVF treatment with more than 25 oocytes collected.
You may not qualify if:
- letrozole contraindications,e.g. severe hepatic and renal dysfunction
Contact the study team to confirm eligibility.
Sponsors & Collaborators
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
August 7, 2013
First Posted
February 1, 2016
Study Start
January 1, 2012
Primary Completion
July 1, 2013
Study Completion
August 1, 2013
Last Updated
February 1, 2016
Record last verified: 2016-01
Data Sharing
- IPD Sharing
- Will not share
no plan to make IPD available