Study Stopped
Insufficient enrollment
Change in Thrombin Generation Potential and Thromboelastography During the Menstrual Cycle
Changes in Thrombin Generation Potential and Thromboelastography During the Menstrual Cycle
1 other identifier
observational
20
1 country
1
Brief Summary
The primary objective of this study is to describe characteristics and trends for thrombin generation (TG) and thromboelastography (TEG) at 4 time points during the menstrual cycle.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Sep 2005
Longer than P75 for all trials
1 active site
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
September 1, 2005
CompletedFirst Submitted
Initial submission to the registry
September 12, 2005
CompletedFirst Posted
Study publicly available on registry
September 15, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2013
CompletedMay 6, 2013
May 1, 2013
7.6 years
September 12, 2005
May 3, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Endogenous Thrombin Potential
Comparison of 4 values collected during 4 phases of through the menstrual cycle
4 weeks
Eligibility Criteria
Females with a diagnosis of von Willebrand Disease
You may qualify if:
- Females of reproductive age with regular menstrual cycles and a diagnosis of von Willebrand disease according to the International Society of Thrombosis and Hemostasis diagnostic criteria.
You may not qualify if:
- Females who are pregnant, or have a history of endocrinopathy or hormone imbalance
- History of hysterectomy or bilateral oophorectomy
- History of ovarian or uterine cancer
- Use of intrauterine device
- Use of antifibrinolytic therapy, hemostatic agents, or anti-platelet agents.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
The University of Texas Health Science Center at Houston
Houston, Texas, 77030, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Deborah Brown, MD
The University of Texas Health Science Center, Houston
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Profess - Gulf States Hemophilia Center
Study Record Dates
First Submitted
September 12, 2005
First Posted
September 15, 2005
Study Start
September 1, 2005
Primary Completion
April 1, 2013
Study Completion
April 1, 2013
Last Updated
May 6, 2013
Record last verified: 2013-05